:root {
  /* Semantic layer — component rules reference these only. Swap here to add a light theme. */
  /* neutral surfaces (Radix slate dark) */
  --bg: var(--slate-2);
  --sidebar: var(--slate-1);
  --surface: var(--slate-3);
  --surface-hover: var(--slate-5);
  --surface-raised: var(--slate-2);
  --surface-sunken: var(--slate-2);
  --surface-deep: var(--slate-1);
  --border: var(--slate-a5);
  --border-strong: var(--slate-a7);
  --border-subtle: var(--slate-a3);

  /* text (Radix slate) */
  --text: var(--slate-12);
  --muted: var(--slate-11);
  --text-muted: var(--slate-10);
  --faint: var(--slate-9);

  /* one product accent: Radix jade */
  --accent: var(--jade-9);
  --accent-hover: var(--jade-10);
  --accent-text: var(--jade-12);
  --accent-contrast: var(--jade-1);
  --accent-surface: var(--jade-a3);
  --accent-surface-hover: var(--jade-a4);
  --accent-border: var(--jade-a6);
  --accent-border-strong: var(--jade-a8);
  --focus-ring: var(--accent);

  /* attention shares the accent; caution stays neutral instead of adding amber. */
  --attention: var(--jade-11);
  --attention-contrast: var(--jade-1);
  --attention-surface: var(--jade-a3);
  --attention-surface-strong: var(--jade-a4);
  --attention-border: var(--jade-a6);
  --attention-border-strong: var(--jade-a8);
  --caution: var(--slate-11);
  --caution-contrast: var(--slate-1);
  --caution-surface: var(--slate-a3);
  --caution-surface-strong: var(--slate-a4);
  --caution-border: var(--slate-a6);
  --caution-border-strong: var(--slate-a8);

  /* danger = red */
  --red: var(--red-11);
  --red-contrast: var(--slate-12);
  --red-surface: var(--red-a3);
  --red-surface-strong: var(--red-a4);
  --red-border: var(--red-a6);

  /* success / online also uses the single jade accent scale. */
  --success: var(--jade-11);
  --success-contrast: var(--jade-1);
  --success-surface: var(--jade-a3);
  --success-surface-strong: var(--jade-a4);
  --success-border: var(--jade-a6);

  /* send control (deliberate light control, kept from main) */
  --send-bg: var(--slate-12);
  --send-fg: var(--slate-1);
  --send-queue-bg: var(--jade-11);

  /* Type scale (root 16px basis). Body steps down to 14px so `font: inherit`
     controls read at label/body density; 2xl is reserved for page heroes only. */
  --text-2xs: .625rem;   /* 10px badge numerals */
  --text-xs: .6875rem;   /* 11px captions */
  --text-sm: .75rem;     /* 12px supporting copy / descriptions / form errors */
  --text-md: .8125rem;   /* 13px body / labels / inputs / selects / buttons */
  --text-base: .875rem;  /* 14px reading copy (chat body, composer) */
  --text-lg: .9375rem;   /* 15px in-view headings (drawer h2, section h2, confirm title) */
  --text-xl: 1rem;       /* 16px large headings (conversation title) */
  --text-2xl: 1.25rem;   /* 20px hero (login / welcome / launch) */

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;

  /* motion — durations pair with easings: enter = slow/out, exit = med/in, micro = fast/standard */
  --dur-fast: 120ms;
  --dur-med: 180ms;
  --dur-slow: 280ms;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in: cubic-bezier(.55, 0, .75, .3);
  --ease-standard: cubic-bezier(.45, 0, .25, 1);

  /* control heights — xs inline hover action, sm compact, md standard/round, lg primary */
  --control-h-xs: 24px;
  --control-h-sm: 28px;
  --control-h-md: 32px;
  --control-h-lg: 40px;
  /* icon glyph sizes — xs chevrons, sm glyphs in 22–28px boxes, md 36px rect, lg 36px round */
  --icon-xs: 12px;
  --icon-sm: 14px;
  --icon-md: 16px;
  --icon-lg: 18px;
  --shell-header-h: 52px;
  --content-header-h: 64px;

  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --conversation-width: 1120px;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}

* { box-sizing: border-box; }
* { scrollbar-width: thin; scrollbar-color: var(--slate-a6) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { border: 2px solid transparent; border-radius: var(--radius-full); background-clip: padding-box; background-color: var(--slate-a6); }
*::-webkit-scrollbar-thumb:hover { background-color: var(--slate-a7); }
*::-webkit-scrollbar-track { background: transparent; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: var(--bg); }
body { font-size: var(--text-base); }
/* Controls opt out of the inherited body size onto the compact 13px control step;
   composer/textarea reading fields step back up to 14px in their own rules. */
button, input, textarea, select { font: inherit; }
button, input, textarea, select { font-size: var(--text-md); }
button { color: inherit; }
/* Coarse pointers restore touch-sized md/lg controls; desktop keeps the denser scale. */
@media (pointer: coarse) {
  :root { --control-h-md: 40px; --control-h-lg: 44px; }
}
[hidden]:not(.drawer-backdrop):not(.detail-backdrop) { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.noise { display: none; }
.muted { color: var(--muted); line-height: 1.65; }

.brand-mark { width: 52px; height: 52px; position: relative; display: grid; place-items: center; }
.brand-mark span, .welcome-mark span { position: absolute; width: 28px; height: 10px; border-radius: var(--radius-full); background: var(--accent); }
.brand-mark span:nth-child(1), .welcome-mark span:nth-child(1) { transform: translateY(-10px) rotate(28deg); }
.brand-mark span:nth-child(2), .welcome-mark span:nth-child(2) { transform: translateY(5px) rotate(-28deg); }
.brand-mark span:nth-child(3), .welcome-mark span:nth-child(3) { width: 10px; height: 10px; transform: translate(16px, 14px); }
.brand-mark.small { width: 34px; height: 34px; transform: scale(.64); transform-origin: left center; margin-right: -10px; }

.login-shell { height: 100dvh; overflow-y: auto; display: grid; place-items: center; padding: 28px; background: var(--bg); }
.login-card { width: min(440px, 100%); padding: clamp(28px, 6vw, 44px); background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.login-card h1 { margin: 18px 0; font-size: var(--text-2xl); line-height: 1.2; letter-spacing: -.02em; font-weight: 600; overflow-wrap: break-word; text-wrap: balance; }
.login-shell.token-auth .auth-mode-switch, .login-shell.token-auth #auth-mode-note, .login-shell.token-auth .google-signin { display: none; }
.stack-form { display: grid; gap: 12px; margin-top: 24px; }
.auth-mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 26px 0 13px; padding: 4px; border-radius: var(--radius-md); background: var(--surface-sunken); }
.auth-mode-switch button { min-height: var(--control-h-md); border: 0; border-radius: var(--radius-md); padding: 9px; background: transparent; color: var(--muted); cursor: pointer; font-size: var(--text-sm); font-weight: 700; }
.auth-mode-switch button.active { background: var(--surface-hover); color: var(--text); }
#auth-mode-note { min-height: 3.3em; margin: 0; font-size: var(--text-sm); }
.google-signin { width: min(280px, 100%); min-height: var(--control-h-lg); margin: 18px auto 0; }
.google-official-button { width: 100%; min-height: var(--control-h-lg); }

label { display: grid; gap: 5px; color: var(--muted); font-size: var(--text-md); font-weight: 600; }
input, textarea, select { width: 100%; color: var(--text); background: var(--surface-sunken); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 7px 10px; outline: none; }
textarea { resize: vertical; line-height: 1.55; }
select { appearance: none; -webkit-appearance: none; -moz-appearance: none; color-scheme: dark; padding-right: 32px; background-image: var(--select-chevron-image); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; cursor: pointer; }
select:hover { border-color: var(--border-strong); }
select:disabled { opacity: .5; cursor: not-allowed; }
select option { color: var(--text); background: var(--surface-sunken); }
/* フォーカスにアクセント（jade）は使わない。マウスフォーカスは slate の subtle な枠変化のみ、キーボード（:focus-visible）は a11y 用の slate リングを残す。 */
input:focus, textarea:focus, select:focus { border-color: var(--border-strong); outline: none; }
input:focus-visible, textarea:focus-visible, select:focus-visible { border-color: var(--border-strong); outline: 2px solid var(--slate-8); outline-offset: 1px; }
/* Chrome の autofill が既定の薄黄/白背景を上書きしダークテーマから浮くのを防ぐ。inset shadow で背景を塗り、text-fill-color で文字色を維持する。 */
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus,
input:autofill, input:autofill:hover, input:autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--surface-sunken) inset;
  -webkit-text-fill-color: var(--text);
  caret-color: var(--text);
  transition: background-color 9999s ease-out;
}
/* focus 時も背景塗りを維持する。outline は上記の :focus / :focus-visible ルールに委ねる。 */
input:-webkit-autofill:focus, input:autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--surface-sunken) inset;
}
::placeholder { color: var(--faint); }
/* Custom <select> dropdown: native trigger styling kept, native option panel
   replaced with a design-system listbox popup (see custom-select.js). */
.custom-select { position: relative; width: 100%; }
.custom-select-native { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); border: 0; }
.custom-select-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--text); background: var(--surface-sunken); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 7px 10px; text-align: left; font-size: var(--text-md); cursor: pointer; }
.custom-select-trigger:hover { border-color: var(--border-strong); }
.custom-select-trigger:focus-visible { border-color: var(--border-strong); outline: 2px solid var(--slate-8); outline-offset: 1px; }
.custom-select[data-disabled="true"] .custom-select-trigger { opacity: .5; cursor: not-allowed; }
.custom-select-trigger-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.custom-select-chevron { flex: 0 0 auto; width: var(--icon-md); height: var(--icon-md); color: var(--muted); transition: transform .15s ease; }
.custom-select[data-open="true"] .custom-select-chevron { transform: rotate(180deg); }
.custom-select-menu { position: absolute; z-index: 6; top: calc(100% + 4px); left: 0; right: 0; max-height: min(300px, 45dvh); overflow-y: auto; padding: 4px; display: grid; gap: 3px; background: var(--surface-raised); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); }
.custom-select-option { min-width: 0; display: flex; align-items: center; gap: 10px; padding: 9px 11px; border-radius: var(--radius-md); color: var(--text); font-size: var(--text-md); cursor: pointer; }
.custom-select-option:hover, .custom-select-option.selected { background: var(--surface-hover); }
.custom-select-option.is-disabled { color: var(--faint); cursor: not-allowed; }
.custom-select-option-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.custom-select-option-check { flex: 0 0 auto; width: var(--icon-sm); height: var(--icon-sm); margin-left: auto; color: var(--accent-text, var(--text)); opacity: 0; }
.custom-select-option.is-current .custom-select-option-check { opacity: 1; }
.primary-button { min-height: var(--control-h-lg); display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: var(--radius-md); padding: 9px 16px; background: var(--accent); color: var(--accent-contrast); font-weight: 600; cursor: pointer; }
.primary-button:hover { background: var(--accent-hover); }
.primary-button:disabled { opacity: .5; cursor: wait; }
/* ドロワー/ダイアログ内の primary は周囲の --control-h-md コントロールと同格に落とす (lg はページ級 CTA 専用)。 */
.profile-dialog .primary-button, .management-drawer .primary-button { min-height: var(--control-h-md); padding: 8px 14px; }
.form-error { min-height: 1.2em; margin: 0; color: var(--red); font-size: var(--text-sm); }

.app-shell { height: 100dvh; overflow: hidden; }
.topbar { height: var(--shell-header-h); padding: 0 14px; display: flex; align-items: center; justify-content: space-between; background: var(--bg); border-bottom: 1px solid var(--border); }
.topbar-start, .topbar-actions { display: flex; align-items: center; gap: 9px; }
.topbar-start { min-width: 0; }
.topbar-actions { flex: 0 0 auto; }
.brand { display: flex; align-items: center; color: var(--text); text-decoration: none; font-size: var(--text-lg); font-weight: 700; }
.icon-button, .text-button { min-height: var(--control-h-md); display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: transparent; border-radius: var(--radius-md); padding: 7px 11px; cursor: pointer; color: var(--muted); }
/* Drawer/dialog close is a compact icon square (sm), not a full md text button. */
.close-button { flex: 0 0 auto; width: var(--control-h-sm); height: var(--control-h-sm); min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 1px solid var(--border); background: transparent; border-radius: var(--radius-md); cursor: pointer; color: var(--muted); }
.icon-button { flex: 0 0 auto; white-space: nowrap; }
.icon-button:hover, .text-button:hover, .close-button:hover { color: var(--text); background: var(--surface); }
.icon-button.primary-action { border-color: var(--accent-border-strong); background: var(--accent-surface-hover); color: var(--accent-text); }
.icon-button.primary-action:hover { background: var(--accent-border); }
.icon-button svg, .close-button svg { width: var(--icon-md); height: var(--icon-md); display: block; }
#sessions-toggle svg { width: var(--icon-lg); height: var(--icon-lg); }
.button-symbol { display: inline-flex; align-items: center; vertical-align: middle; }
.button-symbol svg { width: var(--icon-md); height: var(--icon-md); display: block; }
.icon-button:focus-visible, .text-button:focus-visible, .close-button:focus-visible, .primary-button:focus-visible, .confirm-cancel:focus-visible, .confirm-accept:focus-visible, .danger-button:focus-visible, .toast-action:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

/* 通知ベル + 未読バッジ。ベルは常時 topbar に残す。accent はバッジのみ。 */
.notification-toggle { position: relative; padding: 8px 10px; }
.notification-toggle[aria-expanded="true"] { color: var(--text); background: var(--surface); }
.notification-badge {
  position: absolute; top: -5px; right: -5px; min-width: 17px; height: 17px; padding: 0 4px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 2px solid var(--bg); border-radius: var(--radius-full); background: var(--accent); color: var(--accent-contrast);
  font-size: var(--text-2xs); font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums;
  pointer-events: none;
}
.notification-badge[hidden] { display: none; }

/* 受信箱リスト。既存の drawer / list スタイルを踏襲、白黒グレー基調。 */
.notification-drawer { width: min(440px, 100%); }
.notification-content { padding: 0; }
.notification-list { display: flex; flex-direction: column; }
.notification-item {
  min-width: 0; display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; align-items: start; gap: 12px;
  width: 100%; text-align: left; padding: 14px 20px; border: none; border-bottom: 1px solid var(--border);
  background: transparent; color: inherit; cursor: pointer; font: inherit;
}
.notification-item:hover { background: var(--surface); }
.notification-item-icon { flex: none; display: inline-flex; align-items: center; justify-content: center; margin-top: 1px; color: var(--muted); }
.notification-item-icon svg { width: var(--icon-md); height: var(--icon-md); display: block; }
.notification-item-body { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.notification-item-sentence { min-width: 0; margin: 0; overflow: hidden; color: var(--text); font-size: var(--text-sm); text-overflow: ellipsis; white-space: nowrap; }
.notification-item.unread .notification-item-sentence { font-weight: 600; }
.notification-item-snippet { margin: 0; font-size: var(--text-xs); color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notification-item-meta { margin: 0; font-size: var(--text-2xs); color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notification-item-aside { flex: none; display: flex; align-items: center; justify-content: center; padding-top: 5px; }
.notification-unread-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.notification-empty { padding: 40px 20px; margin: 0; text-align: center; color: var(--faint); font-size: var(--text-sm); }
.connection-state { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: var(--text-sm); }
.connection-state i { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.connection-state.online i { background: var(--success); }
.connection-state.error i { background: var(--red); }
/* 正常時は接続文言を出さず、アバター右下のドットで状態を示す。切断・再接続時だけラベルが現れる。 */
.connection-state.online { display: none; }

.topbar-round { width: var(--control-h-md); min-height: var(--control-h-md); padding: 0; border-radius: var(--radius-full); }
.agents-indicator { flex: 0 0 auto; height: var(--control-h-md); display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; border: 1px solid var(--border); border-radius: var(--radius-full); background: transparent; color: var(--text-muted); font-size: var(--text-sm); font-variant-numeric: tabular-nums; cursor: pointer; }
.agents-indicator:hover { background: var(--surface); color: var(--text); }
.agents-indicator:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.agents-indicator-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.agents-indicator-dot.online { background: var(--success); }
.agents-indicator-dot.offline { background: var(--red); }
.account-menu { position: relative; flex: 0 0 auto; }
.account-menu > summary { position: relative; list-style: none; display: grid; place-items: center; width: var(--control-h-md); height: var(--control-h-md); border-radius: var(--radius-full); cursor: pointer; }
.account-menu > summary::-webkit-details-marker { display: none; }
.account-menu > summary:hover, .account-menu[open] > summary { background: var(--surface); }
.account-menu > summary:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.user-avatar.avatar-account { --avatar-size: 28px; }
.account-menu-popover { position: absolute; z-index: 40; top: calc(100% + 6px); right: 0; min-width: 190px; max-width: 260px; padding: 7px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: 0 12px 32px var(--black-a5); display: grid; gap: 5px; }
.account-identity { display: grid; gap: 2px; min-width: 0; padding: 5px 9px 8px; border-bottom: 1px solid var(--border); }
.account-identity strong { color: var(--text); font-size: var(--text-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-identity span { color: var(--muted); font-size: var(--text-xs); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-menu-item { min-height: var(--control-h-md); display: flex; align-items: center; gap: 9px; width: 100%; padding: 7px 9px; border: none; border-radius: var(--radius-md); background: transparent; color: var(--muted); font-size: var(--text-sm); text-align: left; cursor: pointer; }
.account-menu-item svg { width: var(--icon-md); height: var(--icon-md); flex: 0 0 auto; }
.account-menu-item:hover { background: var(--surface); color: var(--text); }
.account-menu-item:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.ui-version { display: inline-block; margin-left: 8px; color: var(--faint); font-size: var(--text-2xs); font-variant-numeric: tabular-nums; pointer-events: none; }

.chat-layout { --session-sidebar-width: 280px; height: calc(100dvh - var(--shell-header-h)); min-height: 0; overflow: hidden; display: grid; grid-template-columns: var(--session-sidebar-width) 6px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); transition: padding-right var(--dur-slow) var(--ease-standard), grid-template-columns var(--dur-med) var(--ease-standard); }
.session-sidebar { min-width: 0; min-height: 0; overflow: hidden; display: grid; grid-template-rows: 40px auto minmax(0,1fr) auto; background: var(--sidebar); border-right: 1px solid var(--border); padding: 0 0 12px; transition: visibility var(--dur-med); }
@media (min-width: 761px) {
  .chat-layout.sidebar-collapsed { grid-template-columns: 0 0 minmax(0, 1fr); }
  /* visibility (not display) keeps the track collapse animatable, keeps grid auto-placement
     intact, and drops the hidden panes from the tab order. */
  .chat-layout.sidebar-collapsed .session-sidebar { visibility: hidden; border-right: none; }
  .chat-layout.sidebar-collapsed .session-sidebar-resizer { width: 0; visibility: hidden; pointer-events: none; }
}
.session-sidebar-resizer { position: relative; z-index: 4; width: 6px; cursor: col-resize; touch-action: none; outline: none; }
.session-sidebar-resizer::after { content: ""; position: absolute; inset: 0 2px; background: transparent; transition: background var(--dur-fast) var(--ease-standard); }
.session-sidebar-resizer:hover::after, .session-sidebar-resizer:focus-visible::after, .chat-layout.resizing .session-sidebar-resizer::after { background: var(--attention); }
.chat-layout.resizing { cursor: col-resize; user-select: none; }
.sidebar-heading { height: 40px; padding: 9px 12px 5px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sidebar-heading h1 { margin: 0; font-size: var(--text-lg); letter-spacing: -.015em; }
.count-chip { min-width: 30px; padding: 5px 8px; border-radius: var(--radius-full); background: var(--surface); color: var(--muted); text-align: center; font-size: var(--text-sm); }
.sidebar-heading-actions { display: flex; align-items: center; gap: 2px; }
.session-heading-action { position: relative; width: var(--control-h-sm); height: var(--control-h-sm); display: grid; place-items: center; padding: 0; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); cursor: pointer; list-style: none; }
.session-heading-action::-webkit-details-marker { display: none; }
.session-heading-action:hover, .session-heading-action:focus-visible, .session-filter-menu[open] > .session-heading-action { background: var(--surface); color: var(--text); outline: none; }
.session-heading-action:focus-visible { box-shadow: 0 0 0 2px var(--focus-ring); }
.session-heading-action svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-filter-menu { position: relative; }
.session-filter-indicator { position: absolute; top: 4px; right: 4px; width: 5px; height: 5px; border-radius: 50%; background: var(--attention); box-shadow: 0 0 0 2px var(--sidebar); }
.session-filter-popover { position: absolute; z-index: 20; top: calc(100% + 5px); right: 0; width: 210px; padding: 8px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: 0 12px 32px var(--black-a5); }
.session-filter-group { min-width: 0; margin: 0; padding: 0; border: 0; }
.session-filter-group legend, .session-agent-filter-field > span { margin: 0 0 5px; color: var(--text-muted); font-size: var(--text-2xs); font-weight: 700; }
.session-filter-options { display: grid; gap: 2px; }
.session-filter-option { width: 100%; min-height: var(--control-h-sm); display: flex; align-items: center; justify-content: space-between; padding: 5px 8px; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text); cursor: pointer; font: inherit; font-size: var(--text-sm); text-align: left; }
.session-filter-option:hover, .session-filter-option.active { background: var(--surface-hover); }
.session-filter-option::after { content: "✓"; color: var(--muted); opacity: 0; }
.session-filter-option.active::after { opacity: 1; }
.session-agent-filter-field { min-width: 0; display: grid; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.session-agent-filter-field[hidden] { display: none; }
.session-agent-filter-field .custom-select-trigger { min-height: var(--control-h-sm); padding: 6px 8px; border-radius: var(--radius-sm); font-size: var(--text-sm); }
.session-agent-filter-field .custom-select-menu { z-index: 21; }
.session-list { min-width: 0; min-height: 0; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 0; padding: 0 8px; }
.session-node { min-width: 0; }
.session-node-line { min-width: 0; display: grid; grid-template-columns: 22px minmax(0, 1fr); align-items: start; margin-left: calc(var(--session-depth, 0) * 12px); border-bottom: 1px solid var(--border-subtle); }
.session-toggle, .session-toggle-spacer { width: 22px; height: 34px; display: grid; place-items: center; align-self: start; }
.session-toggle { padding: 0; border: 0; background: transparent; color: var(--faint); cursor: pointer; font-size: var(--text-md); }
.session-toggle:hover { color: var(--muted); }
.session-toggle:focus-visible { border-radius: var(--radius-sm); outline: 2px solid var(--focus-ring); outline-offset: -2px; }
.session-toggle svg { width: var(--icon-xs); height: var(--icon-xs); display: block; }
/* ChatGPT-style quiet rows: actions live at the top-right only while the row is
   hovered / focused / selected, and the title line reserves exactly their width
   (one or two buttons) so text truncates flush against them — no overlap, no shift. */
.session-row-shell { position: relative; min-width: 0; display: flex; align-items: stretch; --session-action-size: var(--control-h-xs); --session-actions-reserve: calc(var(--session-action-size) + 6px); }
.session-row-shell.has-end { --session-actions-reserve: calc(var(--session-action-size) * 2 + 8px); }
.session-row-actions { position: absolute; top: 10px; right: 12px; display: none; align-items: center; gap: 2px; }
.session-row-shell:hover .session-row-actions, .session-row-shell:focus-within .session-row-actions, .session-row-shell:has(> .session-row.selected) .session-row-actions { display: flex; }
.session-row-shell:hover .session-head, .session-row-shell:focus-within .session-head, .session-row-shell:has(> .session-row.selected) .session-head { padding-right: var(--session-actions-reserve); }
.session-pin, .session-row-end { flex: none; width: var(--session-action-size); height: var(--session-action-size); display: grid; place-items: center; padding: 0; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); cursor: pointer; }
.session-pin svg, .session-row-end svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-pin:hover, .session-pin:focus-visible { color: var(--text); background: var(--slate-a4); outline: none; }
.session-pin.pinned { color: var(--muted); }
.session-row-end:hover, .session-row-end:focus-visible { color: var(--red); background: var(--red-surface); outline: none; }
@media (hover: none) {
  /* Coarse pointers can't hover: keep ≥28px targets always visible and always reserve the title width. */
  .session-row-shell { --session-action-size: var(--control-h-sm); }
  .session-row-actions { display: flex; }
  .session-head { padding-right: var(--session-actions-reserve); }
}
.pinned-sessions { padding: 4px 0 6px; background: var(--sidebar); }
.pinned-sessions-toggle { width: 100%; min-height: var(--control-h-md); padding: 5px 10px; display: flex; align-items: center; gap: 6px; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text); cursor: pointer; text-align: left; font-size: var(--text-md); font-weight: 700; }
.pinned-sessions-toggle:hover, .pinned-sessions-toggle:focus-visible { color: var(--text); background: var(--slate-a3); outline: none; }
.pinned-sessions-chevron { width: var(--icon-xs); height: var(--icon-xs); margin-left: auto; display: inline-flex; color: var(--muted); transform: rotate(-90deg); transition: transform var(--dur-fast) var(--ease-standard); }
.pinned-sessions-chevron svg { width: var(--icon-xs); height: var(--icon-xs); display: block; }
.pinned-sessions-toggle[aria-expanded="true"] .pinned-sessions-chevron { transform: rotate(0); }
.pinned-session-items { display: grid; gap: 3px; }
.pinned-session-items > .session-node > .session-node-line > .session-row-shell > .session-row { cursor: grab; }
.pinned-session-items.reordering { user-select: none; }
.pinned-session-grabbed { position: relative; z-index: 5; opacity: .82; outline: 1px solid var(--border-strong); will-change: transform; }
.pinned-session-grabbed > .session-node-line > .session-row-shell > .session-row { cursor: grabbing; }
.session-section-count { min-width: 20px; padding: 1px 6px; border-radius: var(--radius-full); background: var(--slate-a4); color: var(--muted); font-size: var(--text-xs); font-variant-numeric: tabular-nums; text-align: center; }
.recent-sessions { display: grid; gap: 0; padding-top: 0; }
.pinned-sessions + .recent-sessions { border-top: 1px solid var(--slate-a4); }
.session-section-heading { position: sticky; top: 0; z-index: 1; margin: 0; min-height: 30px; padding: 8px 10px 5px; border-bottom: 1px solid var(--border-subtle); background: var(--sidebar); color: var(--text-muted); font-size: var(--text-sm); font-weight: 700; letter-spacing: .01em; }
.public-sessions { margin-bottom: 0; padding: 0; border-bottom: 1px solid var(--border); }
.public-session-row { border: 1px solid transparent; }
.public-session-row:hover,.public-session-row.selected { border-color: var(--success-border); background: var(--success-surface); }
.session-children { min-width: 0; display: grid; gap: 0; }
.session-row { flex: 1 1 auto; width: 100%; min-width: 0; min-height: 68px; display: grid; grid-template-columns: minmax(0, 1fr); align-content: center; gap: 6px; padding: 12px; border: 0; border-radius: 0; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
/* Hover paints via the shell so the highlight holds while the pointer is on the action buttons. */
.session-row-shell:hover .session-row:not(.selected) { background: var(--surface-sunken); }
.session-row:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: -2px; }
.session-row.selected { background: var(--surface); }
.session-row.subagent { padding-top: 10px; padding-bottom: 10px; }
.session-head { min-width: 0; display: flex; align-items: center; gap: 6px; }
.session-head strong { min-width: 0; flex: 0 1 auto; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-md); }
.session-unread-dot { flex: 0 0 auto; width: 7px; height: 7px; border-radius: var(--radius-full); background: var(--attention); }
.session-foot { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.session-agent-label { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: 6px; overflow: hidden; color: var(--text-muted); font-size: var(--text-xs); white-space: nowrap; }
.session-agent-label .provider-icon { width: 18px; height: 18px; border-radius: var(--radius-sm); }
.session-agent-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-number { flex: 0 0 auto; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.provider-icon { flex: 0 0 auto; width: 24px; height: 24px; display: grid; place-items: center; border-radius: var(--radius-md); overflow: hidden; }
/* Provider artwork is an identity signal, so its source colors stay outside the product palette. */
.provider-icon img { width: 100%; height: 100%; display: block; object-fit: cover; }
.provider-icon.header-icon { width: var(--control-h-md); height: var(--control-h-md); border-radius: var(--radius-md); }
.session-badges { min-width: 0; flex: 0 0 auto; margin-left: auto; display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.session-public-badge { flex: 0 0 auto; width: 22px; height: 22px; padding: 4px; display: grid; place-items: center; border-radius: var(--radius-sm); background: var(--success-surface); color: var(--success); }
.session-public-badge svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-chat-unread { flex: 0 0 auto; min-width: 18px; padding: 2px 5px; border-radius: var(--radius-full); background: var(--attention); color: var(--attention-contrast); text-align: center; font-size: var(--text-2xs); font-weight: 700; }
.session-child-count, .orphan-session-count { min-width: 18px; padding: 2px 5px; border-radius: var(--radius-full); color: var(--muted); background: var(--slate-a4); text-align: center; font-size: var(--text-2xs); font-weight: 700; }
.session-subagent-count { flex: 0 0 auto; color: var(--faint); font-size: var(--text-2xs); font-variant-numeric: tabular-nums; white-space: nowrap; }
.session-current-work { min-width: 0; margin: 0; overflow: hidden; color: var(--muted); font-size: var(--text-sm); line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.session-row.idle .session-current-work { color: var(--text-muted); }
.session-plan-progress { min-width: 0; display: flex; align-items: center; gap: 8px; }
.session-plan-progress-bar { flex: 0 0 56px; height: 4px; overflow: hidden; border-radius: var(--radius-full); background: var(--accent-surface); }
.session-plan-progress-fill { height: 100%; display: block; border-radius: var(--radius-full); background: var(--success); transition: width .3s ease; }
.session-plan-progress-label { min-width: 0; overflow: hidden; color: var(--faint); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }
.session-event { min-width: 0; color: var(--text-muted); font-size: var(--text-xs); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.orphan-session-group { min-width: 0; margin-top: 5px; padding-top: 5px; border-top: 1px solid var(--slate-a3); }
.orphan-session-header { min-width: 0; height: 34px; display: grid; grid-template-columns: 22px minmax(0,1fr) auto; align-items: center; padding-right: 10px; color: var(--faint); font-size: var(--text-xs); }
.orphan-session-header > span:not(.orphan-session-count) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-pane { position: relative; width: 100%; height: 100%; min-width: 0; min-height: 0; overflow: hidden; background: var(--bg); }
.session-welcome { height: 100%; display: grid; place-content: center; justify-items: center; padding: 32px; text-align: center; }
.welcome-mark { width: 62px; height: 62px; position: relative; display: grid; place-items: center; margin-bottom: 24px; transform: scale(1.15); }
.session-welcome h1 { margin: 0 0 12px; font-size: var(--text-2xl); line-height: 1.25; letter-spacing: -.02em; font-weight: 600; }
.session-welcome p { max-width: 560px; margin: 0; color: var(--muted); font-size: var(--text-lg); line-height: 1.7; text-wrap: balance; }
.session-view { width: 100%; height: 100%; min-width: 0; min-height: 0; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
.conversation-header { width: 100%; height: var(--content-header-h); min-width: 0; flex: 0 0 auto; padding: 12px clamp(20px,2.5vw,36px); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--bg); }
.conversation-title { min-width: 0; display: flex; align-items: center; gap: 12px; }
.conversation-title > div { min-width: 0; }
.session-title-block { min-width: 0; }
.session-title-display { min-width: 0; display: flex; align-items: center; gap: 7px; }
.session-title-display[hidden] { display: none; }
.conversation-title h1 { margin: 0; font-size: var(--text-xl); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.session-title-edit { flex: 0 0 auto; width: var(--control-h-sm); height: var(--control-h-sm); padding: 0; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--faint); cursor: pointer; font-size: var(--text-base); }
.session-title-edit:hover, .session-title-edit:focus-visible { background: var(--surface); color: var(--text); }
.session-title-edit svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-title-form { min-width: min(480px, 50vw); display: grid; grid-template-columns: minmax(120px,1fr) auto auto; gap: 6px; align-items: center; }
.session-title-form[hidden] { display: none; }
.session-title-form input { min-width: 0; padding: 7px 9px; border: 1px solid var(--attention); border-radius: var(--radius-md); background: var(--surface-deep); color: var(--text); font: inherit; }
.session-title-form button { min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 7px 9px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--muted); cursor: pointer; }
.session-title-form button[type="submit"] { border-color: var(--attention-border-strong); color: var(--attention); }
.session-title-form button:disabled { opacity: .5; cursor: wait; }
#session-title-error { grid-column: 1 / -1; color: var(--red); font-size: var(--text-2xs); }
.conversation-title p { margin: 4px 0 0; max-width: 650px; color: var(--muted); font-size: var(--text-sm); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.session-status-dot { flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.session-status-dot.active { background: var(--success); }
.session-status-dot.active { animation: status-breathe 1.8s ease-in-out infinite; }
.conversation-meta { flex: 0 0 auto; display: grid; grid-template-columns: repeat(5, auto); align-items: center; justify-content: end; gap: 6px 8px; text-align: right; color: var(--muted); font-size: var(--text-xs); }
.conversation-meta > span { grid-column: 1 / -1; }
.conversation-meta-details { min-width: 0; grid-column: 1 / -1; display: grid; grid-template-columns: auto; justify-content: end; align-items: center; gap: 8px; }
/* セッションアクション（接続/ビデオ/共有/チャット）は同サイズ・同トーンの丸型アイコンで揃える。色は状態（共有中・未読）だけに使う。 */
.session-visibility, .session-chat-button, .session-connect-toggle { position: relative; flex: 0 0 auto; width: var(--control-h-md); height: var(--control-h-md); padding: 0; display: grid; place-items: center; border: 1px solid var(--border); border-radius: var(--radius-full); background: transparent; color: var(--muted); cursor: pointer; }
.session-visibility:hover, .session-chat-button:hover, .session-connect-toggle:hover { background: var(--surface); color: var(--text); }
.session-visibility:focus-visible, .session-chat-button:focus-visible, .session-connect-toggle:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.session-visibility.public { border-color: var(--success-border); background: var(--success-surface); color: var(--success); }
.session-visibility.public:hover { background: var(--success-surface-strong); }
.session-visibility:disabled { cursor: default; opacity: 1; }
.session-visibility svg, .session-chat-button svg, .session-connect-toggle svg { width: var(--icon-lg); height: var(--icon-lg); }
.session-action-count { position: absolute; top: -6px; right: -6px; min-width: 17px; height: 17px; padding: 0 4px; display: grid; place-items: center; border: 2px solid var(--bg); border-radius: var(--radius-full); background: var(--attention); color: var(--attention-contrast); font-size: var(--text-2xs); font-weight: 700; line-height: 1; }
.session-visibility.public .session-action-count { background: var(--success); color: var(--success-contrast); }
.session-meeting-button[aria-pressed="true"] { border-color: var(--accent-border-strong); background: var(--accent-surface); color: var(--accent-text); }
.session-meeting-button[aria-pressed="true"]:hover { background: var(--accent-surface-hover); }
[data-tooltip] { position: relative; }
[data-tooltip]::after { content: attr(data-tooltip); position: absolute; z-index: 50; top: calc(100% + 8px); right: 0; width: max-content; max-width: 240px; padding: 7px 9px; border: 1px solid var(--border-strong); border-radius: var(--radius-md); background: var(--surface-deep); color: var(--muted); opacity: 0; pointer-events: none; transform: translateY(-3px); transition: opacity .14s, transform .14s; font-size: var(--text-2xs); font-weight: 600; white-space: normal; }
[data-tooltip]:hover::after, [data-tooltip]:focus-visible::after { opacity: 1; transform: translateY(0); }
[data-tooltip][data-tooltip-pos~="above"]::after { top: auto; bottom: calc(100% + 8px); transform: translateY(3px); }
[data-tooltip][data-tooltip-pos~="above"]:hover::after, [data-tooltip][data-tooltip-pos~="above"]:focus-visible::after { transform: translateY(0); }
[data-tooltip][data-tooltip-pos~="start"]::after { right: auto; left: 0; }
.profile-dialog { position: fixed; z-index: 45; top: calc(var(--shell-header-h) + 8px); right: 14px; width: 320px; max-width: calc(100vw - 28px); max-height: calc(100dvh - var(--shell-header-h) - 22px); overflow-y: auto; padding: 14px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: 0 12px 32px var(--black-a5); }
.profile-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.profile-dialog-head h2 { margin: 0; color: var(--text); font-size: var(--text-sm); }
.profile-identity-row { display: flex; align-items: flex-start; gap: 14px; margin-top: 14px; }
.profile-avatar-slot { position: relative; flex: 0 0 auto; }
.profile-avatar-button { position: relative; display: block; width: 56px; height: 56px; padding: 0; border: 0; border-radius: 50%; background: none; cursor: pointer; }
.profile-avatar-media { display: block; }
.profile-avatar-overlay { position: absolute; inset: 0; display: grid; place-items: center; border-radius: 50%; color: var(--slate-12); background: var(--black-a7); opacity: 0; transition: opacity .14s; }
.profile-avatar-overlay svg { width: 20px; height: 20px; }
.profile-avatar-button:hover .profile-avatar-overlay, .profile-avatar-button:focus-visible .profile-avatar-overlay { opacity: 1; }
.profile-avatar-button:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.profile-avatar-remove { position: absolute; top: -3px; right: -3px; display: grid; place-items: center; width: 20px; height: 20px; padding: 0; border: 1px solid var(--border-strong); border-radius: 50%; background: var(--surface-deep); color: var(--muted); cursor: pointer; }
.profile-avatar-remove svg { width: var(--icon-xs); height: var(--icon-xs); }
.profile-avatar-remove:hover { color: var(--text); border-color: var(--border-strong); }
.profile-name-input-row { display: flex; align-items: center; gap: 8px; }
.profile-name-input-row input { flex: 1 1 auto; min-width: 0; }
.profile-name-input-row .primary-button { flex: 0 0 auto; }
.profile-name-input-row .primary-button:disabled { cursor: default; }
.avatar-crop { margin-top: 16px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-raised); display: grid; gap: 12px; justify-items: center; }
.avatar-crop-hint { margin: 0; color: var(--muted); font-size: var(--text-xs); text-align: center; }
.avatar-crop-viewport { position: relative; width: 240px; height: 240px; overflow: hidden; border: 1px solid var(--border); border-radius: 50%; background: var(--surface-deep); touch-action: none; cursor: grab; }
.avatar-crop-viewport:active { cursor: grabbing; }
.avatar-crop-image { position: absolute; top: 0; left: 0; max-width: none; user-select: none; -webkit-user-drag: none; }
.avatar-crop-zoom { width: 240px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 10px; margin: 0; color: var(--muted); font-size: var(--text-xs); }
.avatar-crop-zoom input { width: 100%; }
input[type="range"] { width: 100%; height: 20px; padding: 0; margin: 0; background: transparent; border: 0; -webkit-appearance: none; appearance: none; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; border: 1px solid var(--border); border-radius: var(--radius-full); background: var(--surface-sunken); }
input[type="range"]::-moz-range-track { height: 4px; border: 1px solid var(--border); border-radius: var(--radius-full); background: var(--surface-sunken); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; margin-top: -6px; width: 16px; height: 16px; border: 0; border-radius: var(--radius-full); background: var(--accent); transition: background .14s, transform .14s; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: var(--radius-full); background: var(--accent); transition: background .14s, transform .14s; }
input[type="range"]:hover::-webkit-slider-thumb { background: var(--accent-hover); }
input[type="range"]:hover::-moz-range-thumb { background: var(--accent-hover); }
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.15); }
input[type="range"]:active::-moz-range-thumb { transform: scale(1.15); }
input[type="range"]:focus { box-shadow: none; }
input[type="range"]:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: var(--radius-full); }
.avatar-crop-actions { width: 240px; display: flex; justify-content: flex-end; gap: 8px; }
.profile-name-field { flex: 1 1 auto; min-width: 0; display: grid; gap: 6px; margin-top: 0; color: var(--muted); font-size: var(--text-xs); }
/* 見出し span だけ max-content。入力行 span まで広げると保存ボタンがダイアログ外へ押し出される。 */
.profile-name-field > span[data-tooltip] { width: max-content; }
.profile-name-field input { width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-sunken); color: var(--text); }
.session-messages { width: 100%; min-width: 0; min-height: 0; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scroll-behavior: smooth; }
.session-web-terminal { min-width: 0; min-height: 0; padding-bottom: 54px; display: grid; grid-template-rows: 40px minmax(0, 1fr); overflow: hidden; background: var(--surface-deep); }
.session-web-terminal-toolbar { min-width: 0; padding: 6px 12px 6px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); background: var(--surface-raised); font-size: var(--text-xs); }
.session-web-terminal-toolbar button { min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 5px 9px; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); background: var(--surface); cursor: pointer; font-size: var(--text-xs); }
.session-web-terminal-toolbar button:hover { border-color: var(--border-strong); background: var(--surface-hover); }
.session-web-terminal-screen { min-width: 0; min-height: 0; padding: 8px 10px; overflow: hidden; }
.session-web-terminal-screen .terminal { height: 100%; }
.session-web-terminal-screen .xterm-viewport { scrollbar-color: var(--slate-7) var(--slate-1); }
.session-work-plan { margin: 0; }
.session-work-plan-updated { margin: 0 0 14px; color: var(--faint); font-size: var(--text-xs); }
.session-work-plan-note { margin: 0 0 14px; color: var(--muted); font-size: var(--text-md); line-height: 1.6; }
.session-work-plan-list { margin: 0; padding: 0; display: grid; gap: 8px; list-style: none; }
.session-work-plan-item { min-width: 0; padding: 12px 14px; display: grid; grid-template-columns: 62px minmax(0,1fr); gap: 12px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-raised); }
.session-work-plan-item p { margin: 0; color: var(--text); font-size: var(--text-md); line-height: 1.55; overflow-wrap: anywhere; }
.session-work-plan-status { color: var(--muted); font-size: var(--text-xs); font-weight: 700; line-height: 1.55; }
.session-work-plan-item.in_progress { border-color: var(--attention-border); background: var(--attention-surface); }
.session-work-plan-item.in_progress .session-work-plan-status { color: var(--attention); }
.session-work-plan-item.completed .session-work-plan-status { color: var(--success); }
.session-work-plan-item.completed p { color: var(--text-muted); }
.message-stream { width: min(var(--conversation-width), calc(100% - 48px)); margin: 0 auto; padding: 30px 0 240px; }
.session-loading { width: min(var(--conversation-width), calc(100% - 48px)); margin: 36px auto; color: var(--muted); font-size: var(--text-base); }.session-loading.error { color: var(--red); }
.chat-message { min-width: 0; max-width: 100%; display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 15px; padding: 22px 0; }
.message-content, .markdown-body { min-width: 0; max-width: 100%; }
.message-avatar { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--slate-7); color: var(--text); font-size: var(--text-sm); font-weight: 700; }
.chat-message.assistant .message-avatar { background: var(--accent); }
.chat-message.assistant .provider-icon.message-avatar { background: transparent; border-radius: var(--radius-md); }
.chat-message.user .message-avatar { background: var(--slate-7); }
.message-heading { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; margin: 2px 0 8px; }
.message-heading strong { font-size: var(--text-base); }
.message-heading time { color: var(--text-muted); font-size: var(--text-xs); }
.message-duration { color: var(--faint); font-size: var(--text-xs); font-variant-numeric: tabular-nums; white-space: nowrap; }
.message-delivery-state { padding: 2px 7px; border-radius: var(--radius-full); color: var(--attention); background: var(--attention-surface); font-size: var(--text-2xs); font-weight: 700; }
.message-delivery-state.running, .message-delivery-state.blocked { color: var(--caution); background: var(--caution-surface); }
.message-delivery-state.completed, .message-delivery-state.sent { color: var(--success); background: var(--success-surface); }
.message-delivery-state.failed { color: var(--red); background: var(--red-surface); }
.message-text { min-width: 0; max-width: 100%; color: var(--text); font-size: var(--text-base); line-height: 1.72; overflow-wrap: anywhere; word-break: break-word; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body p { margin: 0 0 1em; white-space: normal; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4, .markdown-body h5, .markdown-body h6 { margin: 1.45em 0 .65em; color: var(--text); line-height: 1.3; letter-spacing: -.02em; }
.markdown-body h1 { padding-bottom: .35em; border-bottom: 1px solid var(--border); font-size: 1.55em; }
.markdown-body h2 { padding-bottom: .3em; border-bottom: 1px solid var(--slate-a4); font-size: 1.35em; }
.markdown-body h3 { font-size: 1.18em; }
.markdown-body h4, .markdown-body h5, .markdown-body h6 { font-size: 1em; }
.markdown-body strong { color: var(--text); font-weight: 700; }
.markdown-body em { color: var(--muted); }
.markdown-body del { color: var(--text-muted); }
.markdown-body ul, .markdown-body ol { margin: 0 0 1em; padding-left: 1.65em; }
.markdown-body li { margin: .28em 0; padding-left: .15em; }
.markdown-body li::marker { color: var(--text-muted); }
.markdown-task { display: flex; align-items: baseline; gap: .55em; margin-left: -1.3em !important; list-style: none; }
.markdown-task input { flex: 0 0 auto; width: 14px; height: 14px; margin: 0; padding: 0; accent-color: var(--accent); }
.markdown-body blockquote { margin: 0 0 1em; padding: .15em 1em; border-left: 3px solid var(--slate-7); color: var(--muted); background: var(--slate-a2); }
.markdown-body blockquote > :last-child { margin-bottom: 0; }
.markdown-body hr { height: 1px; margin: 1.5em 0; border: 0; background: var(--border); }
.markdown-link { color: var(--attention); text-decoration: underline; text-decoration-color: var(--attention-border); text-underline-offset: 3px; }
.markdown-link:hover { color: var(--accent-text); text-decoration-color: currentColor; }
.markdown-inline-code { padding: .15em .38em; border: 1px solid var(--slate-a4); border-radius: var(--radius-sm); color: var(--text); background: var(--surface-deep); font: .88em/1.45 var(--font-mono); }
.markdown-code-block { max-width: 100%; margin: 0 0 1em; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--sidebar); }
.markdown-code-toolbar { min-height: 34px; padding: 6px 9px 6px 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--border); color: var(--text-muted); background: var(--surface-sunken); font: var(--text-2xs)/1.2 var(--font-mono); }
.markdown-code-toolbar button { min-height: var(--control-h-sm); width: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--muted); background: var(--surface-hover); cursor: pointer; }
.markdown-code-toolbar button svg { width: var(--icon-sm); height: var(--icon-sm); }
.markdown-code-toolbar button:hover { color: var(--text); background: var(--surface-hover); }
.markdown-code-toolbar button.copied { border-color: var(--accent-border-strong); color: var(--accent-text); }
.markdown-code-block pre { max-width: 100%; margin: 0; padding: 15px 16px; overflow-x: auto; white-space: pre; tab-size: 2; }
.markdown-code-block pre code { color: var(--text); font: .84rem/1.6 var(--font-mono); }
.message-images { max-width: 620px; margin-top: 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 220px)); gap: 8px; }
.message-images img { width: 100%; max-height: 280px; display: block; object-fit: contain; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-deep); }
.message-files { max-width: 620px; margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.message-file { min-width: 180px; max-width: 300px; display: flex; align-items: center; gap: 9px; padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-deep); }
.message-file-icon, .session-attachment-file-icon { flex: 0 0 auto; width: 28px; height: 28px; display: grid; place-items: center; border-radius: var(--radius-sm); color: var(--muted); background: var(--surface-hover); }
.message-file-icon svg, .session-attachment-file-icon svg { width: var(--icon-md); height: var(--icon-md); }
.message-file-details, .session-attachment-details { min-width: 0; display: grid; gap: 2px; }
.message-file-details strong, .session-attachment-details strong { overflow: hidden; color: var(--text); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }
.message-file-details small, .session-attachment-details small { color: var(--muted); font-size: var(--text-2xs); }
.message-actions { margin-top: 8px; display: flex; gap: 6px; }
.message-correct-action { width: var(--control-h-sm); height: var(--control-h-sm); display: inline-grid; place-items: center; padding: 0; border: 1px solid transparent; border-radius: var(--radius-sm); color: var(--text-muted); background: transparent; cursor: pointer; font-size: var(--text-md); }
.message-correct-action:hover { border-color: var(--border); color: var(--text); background: var(--surface-hover); }
.session-stop-action { width: fit-content; min-height: var(--control-h-sm); margin-top: 10px; padding: 5px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); color: var(--text); background: var(--surface); cursor: pointer; font-size: var(--text-xs); font-weight: 650; }
.session-stop-action:hover:not(:disabled) { border-color: var(--red); color: var(--red); background: var(--red-surface); }
.session-stop-action:disabled { opacity: .6; cursor: default; }
.markdown-table-wrap { max-width: 100%; margin: 0 0 1em; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-md); }
.markdown-table-wrap table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: var(--text-base); line-height: 1.45; }
.markdown-table-wrap th, .markdown-table-wrap td { padding: 11px 14px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); vertical-align: top; white-space: normal; }
.markdown-table-wrap th:last-child, .markdown-table-wrap td:last-child { border-right: 0; }
.markdown-table-wrap tbody tr:last-child td { border-bottom: 0; }
.markdown-table-wrap th { background: var(--surface); color: var(--text); font-weight: 700; }
.markdown-table-wrap tbody tr:nth-child(even) { background: var(--slate-a2); }
.thinking-message { padding-top: 26px; }
.thinking-message .message-content { min-width: 0; }
.live-label { padding: 3px 7px; border-radius: var(--radius-full); color: var(--success); background: var(--success-surface); font-size: var(--text-2xs); font-weight: 700; }
.live-response.streaming .message-content { padding: 14px 16px; border: 1px solid var(--success-border); border-radius: var(--radius-lg); background: var(--success-surface); }
.live-response.streaming .live-label { animation: status-breathe 1.8s ease-in-out infinite; }
.live-response.complete .live-label { color: var(--muted); background: var(--slate-a4); }
.interactive-prompt { margin: 22px 0; padding: 20px; border: 1px solid var(--caution-border); border-radius: var(--radius-lg); background: var(--caution-surface); }
.interactive-prompt-heading { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.interactive-prompt-heading strong { color: var(--text); font-size: var(--text-base); }
.interactive-prompt-badge { padding: 3px 8px; border-radius: var(--radius-full); color: var(--caution-contrast); background: var(--caution); font-size: var(--text-2xs); font-weight: 700; }
.interactive-prompt-message { margin: 0 0 17px; color: var(--muted); font: var(--text-md)/1.65 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.interactive-prompt-note { margin: 4px 0 0; color: var(--faint); font-size: var(--text-xs); }
.interactive-prompt-question { min-width: 0; margin: 14px 0 0; padding: 0; border: 0; }
.interactive-prompt-question legend { width: 100%; margin-bottom: 9px; display: grid; gap: 4px; }
.interactive-prompt-header { color: var(--caution); font-size: var(--text-xs); font-weight: 700; }
.interactive-prompt-question-text { color: var(--text); font-size: var(--text-base); line-height: 1.5; }
.interactive-prompt-options { display: grid; gap: 7px; }
.interactive-prompt-option { width: 100%; padding: 10px 12px; display: grid; gap: 3px; border: 1px solid var(--border); border-radius: var(--radius-md); color: var(--text); background: var(--surface-sunken); text-align: left; cursor: pointer; }
.interactive-prompt-option:hover { border-color: var(--caution-border-strong); background: var(--caution-surface); }
.interactive-prompt-option.selected { border-color: var(--caution); background: var(--caution-surface-strong); }
.interactive-prompt-option strong { font-size: var(--text-md); }
.interactive-prompt-option span { color: var(--muted); font-size: var(--text-xs); line-height: 1.45; }
.interactive-prompt-option:disabled { opacity: .6; cursor: wait; }
.interactive-prompt-submit { min-height: var(--control-h-md); display: inline-flex; align-items: center; justify-content: center; margin-top: 16px; padding: 9px 14px; border: 1px solid var(--caution-border-strong); border-radius: var(--radius-md); color: var(--caution-contrast); background: var(--caution); font-size: var(--text-sm); font-weight: 700; cursor: pointer; }
.interactive-prompt-submit:disabled { opacity: .38; cursor: default; }
.typing-indicator { width: fit-content; display: flex; align-items: center; gap: 5px; margin: 9px 0 8px; padding: 10px 13px; border-radius: var(--radius-lg); background: var(--surface); }
.typing-indicator i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); animation: typing-dot 1.25s ease-in-out infinite; }
.typing-indicator i:nth-child(2) { animation-delay: .16s; }.typing-indicator i:nth-child(3) { animation-delay: .32s; }
.thinking-status { min-width: 0; display: flex; align-items: center; gap: 10px; }
.thinking-status .typing-indicator { flex: 0 0 auto; margin: 7px 0; }
.thinking-current { max-width: min(620px, 100%); color: var(--text-muted); font-size: var(--text-sm); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conversation-footer { position: absolute; z-index: 11; left: 0; right: 0; bottom: 0; height: 54px; min-height: 54px; padding: 10px clamp(20px,2.5vw,36px); border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--text-muted); background: var(--bg); font-size: var(--text-xs); }
.conversation-footer div { display: flex; align-items: center; gap: 8px; }
.conversation-footer i { width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.conversation-footer div.active i { animation: status-breathe 1.8s infinite; }
.conversation-footer div.activity-tick span { animation: activity-flash .65s ease-out; }
.conversation-footer .session-runtime-status { min-width: 0; }
.conversation-footer .session-model { max-width: min(34vw, 240px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; border: 0; border-radius: var(--radius-sm); padding: 4px 6px; color: var(--text); background: var(--surface); font: inherit; font-weight: 650; cursor: pointer; }
.conversation-footer .session-model:hover:not(:disabled) { color: var(--text); background: var(--surface-hover); }
.conversation-footer .session-model:disabled { cursor: default; opacity: .72; }
.conversation-footer .session-runtime-status #session-activity { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-footer .session-terminal-actions { min-width: 0; justify-content: flex-end; }
.conversation-footer .session-terminal-actions span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-footer .session-terminal-actions button { min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: transparent; border-radius: var(--radius-sm); padding: 5px 8px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.conversation-footer .session-terminal-actions button:hover { color: var(--text); background: var(--surface); }
.conversation-footer .session-terminal-actions .session-end { color: var(--red); border-color: var(--red-border); }
.conversation-footer .session-terminal-actions .session-end:hover { color: var(--red-12); background: var(--red-surface); }
.session-composer-wrap { position: absolute; z-index: 12; left: 0; right: 0; bottom: 54px; display: block; min-height: 87px; padding: 8px 20px 5px; background: var(--bg); }
.session-command-menu { position: absolute; z-index: 3; left: 50%; bottom: 82px; width: min(calc(var(--conversation-width) - 40px), calc(100% - 40px)); max-height: min(340px, 45dvh); overflow-y: auto; transform: translateX(-50%); padding: 6px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-raised); }
.session-command-option { width: 100%; display: grid; grid-template-columns: 105px minmax(0,1fr); gap: 12px; align-items: center; padding: 10px 11px; border: 0; border-radius: var(--radius-md); background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.session-command-option:hover, .session-command-option.selected { background: var(--surface-hover); }
.session-command-option strong { color: var(--text); font-size: var(--text-md); }
.session-command-option span { color: var(--muted); font-size: var(--text-xs); }
.session-attachments { width: min(var(--conversation-width), 100%); margin: 0 auto 8px; display: flex; gap: 8px; overflow-x: auto; padding: 2px; }
.conversation-meta .session-plan-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 7px 9px; color: var(--success); }
.conversation-meta .session-plan-toggle[hidden] { display: none; }
.session-plan-count { min-width: 30px; height: 18px; display: inline-grid; place-items: center; padding: 0 5px; border-radius: var(--radius-full); color: var(--success-contrast); background: var(--success); font-size: var(--text-2xs); font-weight: 700; line-height: 1; }
.session-context-usage { display: inline-flex; align-items: center; gap: 6px; color: var(--faint); font-size: var(--text-xs); white-space: nowrap; }
.session-context-usage-bar { flex: 0 0 44px; height: 4px; overflow: hidden; border-radius: var(--radius-full); background: var(--accent-surface); }
.session-context-usage-fill { height: 100%; display: block; border-radius: var(--radius-full); background: var(--success); }
.session-context-usage.high .session-context-usage-fill { background: var(--red-9); }
.session-context-usage.high .session-context-usage-text { color: var(--red-9); }
.session-attachment { position: relative; flex: 0 0 72px; width: 72px; height: 72px; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-deep); }
.session-attachment.file { flex-basis: 220px; width: 220px; padding: 10px 32px 10px 10px; display: flex; align-items: center; gap: 9px; }
.session-attachment img { width: 100%; height: 100%; display: block; object-fit: cover; }
.session-attachment-remove { position: absolute; top: 4px; right: 4px; width: var(--control-h-xs); height: var(--control-h-xs); display: grid; place-items: center; padding: 0; border: 1px solid var(--border-strong); border-radius: 50%; color: var(--text); background: var(--black-a9); line-height: 1; cursor: pointer; }
.session-attachment-remove:hover { background: var(--red-9); }
.session-attachment-remove svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-attachment-remove:disabled { opacity: .45; cursor: default; }
.session-composer, .session-launch-composer { padding: var(--space-2); display: flex; align-items: end; gap: var(--space-2); border: 0; border-radius: calc(var(--control-h-lg) * .5); outline: 1px solid transparent; outline-offset: -1px; background: var(--surface); transition: background-color var(--dur-fast) var(--ease-standard), outline-color var(--dur-fast) var(--ease-standard); }
.session-composer:has(textarea:focus-visible), .session-launch-composer:has(textarea:focus-visible) { outline-color: var(--slate-a6); }
.session-composer { width: min(var(--conversation-width), 100%); min-height: 60px; margin: 0 auto; }
.session-composer textarea, .session-launch-composer textarea { flex: 1 1 auto; min-width: 0; min-height: var(--control-h-lg); padding: var(--space-2) var(--space-1); resize: none; border: 0; border-radius: 0; outline: none; background: transparent; box-shadow: none; font-size: var(--text-base); line-height: 1.5; }
.session-composer textarea { width: auto; max-height: 150px; }
.session-composer #session-attach { flex: 0 0 auto; width: var(--control-h-md); height: var(--control-h-md); display: grid; place-items: center; padding: 0; border: 0; border-radius: var(--radius-full); color: var(--muted); background: transparent; cursor: pointer; }
.session-composer #session-attach svg { width: var(--icon-lg); height: var(--icon-lg); }
.session-composer #session-attach:not(:disabled):hover { color: var(--text); background: var(--surface-hover); }
.session-composer #session-attach:focus-visible { outline: 1px solid var(--slate-8); outline-offset: 2px; }
.session-composer #session-attach:disabled { opacity: .42; cursor: default; }
.session-send-controls, .session-launch-send { position: relative; flex: 0 0 auto; display: flex; align-items: center; }
.session-composer #session-send, .session-launch-send #start-session { width: var(--control-h-md); min-width: var(--control-h-md); height: var(--control-h-md); padding: 0; display: grid; place-items: center; border: 0; border-radius: var(--radius-full); background: var(--send-bg); color: var(--send-fg); cursor: pointer; transition: background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard); }
.session-composer #session-send svg, .session-launch-send #start-session svg { width: var(--icon-lg); height: var(--icon-lg); }
.session-composer #session-send:not(:disabled):hover, .session-launch-send #start-session:not(:disabled):hover { background: white; }
.session-composer #session-send:focus-visible, .session-launch-send #start-session:focus-visible { outline: 1px solid var(--slate-8); outline-offset: 2px; }
.session-composer #session-send:disabled, .session-launch-send #start-session:disabled { color: var(--slate-10); background: var(--slate-6); cursor: default; }
.session-send-progress { width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.session-composer-wrap > p { min-height: 16px; width: min(calc(var(--conversation-width) - 30px), calc(100% - 20px)); margin: 4px auto 0; color: var(--text-muted); font-size: var(--text-2xs); }
.session-input-meta { display: flex; justify-content: space-between; gap: 12px; }
#session-send-status { flex: 0 0 auto; color: var(--muted); font-weight: 700; }
#session-send-status.retrying { color: var(--caution); }
#session-send-status.sent { color: var(--success); }
#session-send-status.failed { color: var(--red); }
.session-composer-wrap.sending .session-composer { background: var(--slate-4); }
.session-composer-wrap.read-only .session-composer { background: var(--surface-sunken); }
.session-composer-wrap.prompt-blocked .session-composer { outline-color: var(--caution-border); background: var(--caution-surface); }
.session-composer-wrap.prompt-blocked > p { color: var(--caution); }
.session-composer-wrap.terminal-steer > p { color: var(--success); }
.chat-message.system .message-avatar { background: var(--slate-7); color: var(--text); }
.chat-message.system .message-text { color: var(--muted); font-size: var(--text-base); }

.session-meeting-panel { min-width: 0; min-height: 0; display: grid; grid-template-rows: 44px minmax(0, 1fr); background: var(--surface-deep); }
.session-meeting-panel[hidden] { display: none; }
.session-meeting-toolbar { min-width: 0; padding: 8px 12px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--border); background: var(--surface-sunken); }
.session-meeting-toolbar strong { color: var(--text); font-size: var(--text-sm); }
.session-meeting-toolbar button { min-height: var(--control-h-sm); padding: 4px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: transparent; color: var(--muted); cursor: pointer; font-size: var(--text-xs); }
.session-meeting-toolbar button:hover { color: var(--text); background: var(--surface-hover); }
.session-meeting-toolbar button:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.session-meeting-frame-wrap { position: relative; min-width: 0; min-height: 0; overflow: hidden; background: var(--slate-1); }
.session-meeting-frame { width: 100%; height: 100%; display: block; border: 0; background: var(--slate-1); }
.session-meeting-loading { position: absolute; z-index: 1; inset: 0; margin: 0; display: grid; place-items: center; color: var(--muted); background: var(--slate-1); font-size: var(--text-sm); }
.session-meeting-loading[hidden] { display: none; }
.conversation-pane.meeting-open #session-peer-mirror, .conversation-pane.meeting-open .session-messages, .conversation-pane.meeting-open .session-web-terminal, .conversation-pane.meeting-open .session-composer-wrap, .conversation-pane.meeting-open .conversation-footer { display: none; }

.drawer-backdrop, .detail-backdrop { position: fixed; inset: var(--shell-header-h) 0 0; z-index: 20; background: var(--black-a7); opacity: 1; transition: opacity var(--dur-med) var(--ease-standard), display var(--dur-med) allow-discrete; }
.drawer-backdrop[hidden], .detail-backdrop[hidden] { display: none; opacity: 0; }
@starting-style { .drawer-backdrop, .detail-backdrop { opacity: 0; } }
.management-drawer, .task-detail { position: fixed; z-index: 30; top: 0; right: 0; width: min(520px, 100%); height: 100dvh; background: var(--surface-raised); border-left: 1px solid var(--border); transform: translateX(102%); transition: transform var(--dur-med) var(--ease-in); display: grid; grid-template-rows: var(--shell-header-h) minmax(0,1fr); }
#session-launch-drawer { width: min(580px, 100%); }
#session-share-drawer { width: min(500px, 100%); }
#session-plan-drawer { width: min(500px, 100%); }
#session-chat-drawer { width: min(520px, 100%); }
.management-drawer.open, .task-detail.open { transform: translateX(0); transition: transform var(--dur-slow) var(--ease-out); }
.drawer-header, .task-detail > header { height: var(--shell-header-h); padding: 10px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.drawer-header-actions { display: flex; align-items: center; gap: 8px; }
.drawer-header-actions a { text-decoration: none; font-size: var(--text-xs); }
#session-chat-drawer .drawer-header-actions .text-button { padding: 7px 9px; font-size: var(--text-xs); }
#session-chat-drawer .drawer-header-actions .text-button[aria-pressed="true"] { border-color: var(--attention-border); background: var(--attention-surface); color: var(--attention); }
.drawer-header h2, .task-detail h2 { margin: 0; font-size: var(--text-lg); font-weight: 600; }
.management-content, .detail-content { min-height: 0; overflow-y: auto; padding: 20px; }
.gateway-picker { margin-bottom: 20px; }
.management-section { padding: 20px 0; border-top: 1px solid var(--border); }
.management-section:first-of-type { border-top: 0; padding-top: 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 10px; }
.section-heading h2 { margin: 4px 0 0; font-size: var(--text-lg); font-weight: 600; }
.tenant-list { display: grid; gap: 7px; }
.tenant-row { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 12px; border-radius: var(--radius-md); background: var(--surface-sunken); }
.tenant-identity { min-width: 0; display: grid; gap: 5px; }
.tenant-identity strong, .tenant-id { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tenant-identity strong { color: var(--text); font-size: var(--text-sm); }
.tenant-id { color: var(--text-muted); font-size: var(--text-2xs); }
.tenant-labels { display: flex; flex-wrap: wrap; gap: 5px; }
.tenant-label { padding: 2px 6px; border-radius: var(--radius-full); background: var(--surface-hover); color: var(--muted); font-size: var(--text-2xs); }
.tenant-label.system, .tenant-label.notified { color: var(--success); background: var(--success-surface); }
.tenant-label.current { color: var(--attention); background: var(--attention-surface); }
.tenant-label.warning { color: var(--caution); background: var(--caution-surface); }
.tenant-remove { flex: 0 0 auto; min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--red-border); border-radius: var(--radius-sm); padding: 6px 9px; background: transparent; color: var(--red); cursor: pointer; font-size: var(--text-xs); }
.tenant-remove:hover { background: var(--red-surface); }
.tenant-remove:disabled { opacity: .5; cursor: wait; }
.session-launch-form { display: grid; gap: 14px; }
.session-launch-page { height: 100%; overflow-y: auto; display: grid; align-content: center; justify-items: center; padding: 32px 24px; background: var(--bg); }
.session-launch-inner { width: min(640px, 100%); display: grid; gap: 20px; }
.session-launch-inner > h1 { margin: 0; text-align: center; font-size: var(--text-2xl); line-height: 1.25; letter-spacing: -.02em; font-weight: 600; }
.session-launch-composer textarea { max-height: 220px; }
.session-launch-selectors { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.session-launch-advanced { display: grid; gap: 12px; }
.advanced-fields summary { color: var(--muted); font-size: var(--text-md); cursor: pointer; }
.advanced-fields > div { display: grid; gap: 13px; padding-top: 13px; }
.delegation-toggle { display: flex; align-items: center; gap: 10px; padding: 11px; border: 1px solid var(--border); border-radius: var(--radius-md); cursor: pointer; }
.delegation-toggle > input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-ui { flex: 0 0 auto; width: 40px; height: 22px; border-radius: var(--radius-full); background: var(--slate-6); position: relative; }
.toggle-ui::after { content: ""; position: absolute; width: 18px; height: 18px; top: 2px; left: 2px; border-radius: 50%; background: var(--muted); transition: transform .2s; }
.delegation-toggle input:checked + .toggle-ui { background: var(--accent); }
.delegation-toggle input:checked + .toggle-ui::after { transform: translateX(18px); background: white; }
.delegation-toggle strong, .delegation-toggle small { display: block; }
.delegation-toggle small { margin-top: 2px; color: var(--muted); font-weight: 500; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.session-share-content { display: block; }
.session-share-status { margin: 0 0 16px; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: var(--text-sm); font-weight: 600; }
.session-share-status.shared { color: var(--text); }
.session-share-status-dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--success); }
.session-share-status-pending { margin-left: 4px; padding-left: 10px; border-left: 1px solid var(--border); color: var(--muted); font-weight: 600; }
.session-share-form { display: grid; gap: 12px; margin: 16px 0 0; }
.session-share-list { display: grid; gap: 8px; }
.session-share-list:empty { display: none; }
.session-share-row { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 12px; border-radius: var(--radius-md); background: var(--surface-sunken); }
.session-share-identity { flex: 1 1 auto; min-width: 0; display: grid; gap: 3px; }
.session-share-identity strong, .session-share-identity span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-share-identity strong { font-size: var(--text-md); }
.session-share-identity span { color: var(--muted); font-size: var(--text-2xs); }
.session-share-role { flex: 0 0 auto; color: var(--muted); font-size: var(--text-2xs); font-weight: 600; }
.session-share-remove { flex: 0 0 auto; display: grid; place-items: center; width: var(--control-h-sm); height: var(--control-h-sm); padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: transparent; color: var(--muted); cursor: pointer; }
.session-share-remove svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-share-remove:hover { background: var(--surface-hover); color: var(--text); }
.session-share-stop { min-height: var(--control-h-md); display: inline-flex; align-items: center; justify-content: center; width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-md); background: transparent; color: var(--text); cursor: pointer; }
.session-share-stop:hover { background: var(--surface-hover); }
.session-share-remove:disabled, .session-share-stop:disabled { opacity: .5; cursor: wait; }
.share-safety-note { margin: 14px 0 0; color: var(--muted); font-size: var(--text-xs); line-height: 1.6; }
.session-share-issue { width: 100%; margin-top: 10px; }
.session-share-link-row { display: flex; gap: 8px; align-items: stretch; margin-top: 10px; }
.session-share-link-url { flex: 1 1 auto; min-width: 0; }
.session-share-link-copy { flex: 0 0 auto; display: grid; place-items: center; width: var(--control-h-md); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); color: var(--text); cursor: pointer; }
.session-share-link-copy:hover { background: var(--surface-hover); border-color: var(--accent-border-strong); color: var(--accent-text); }
.session-share-link-copy { position: relative; }
.session-share-link-copy svg { width: var(--icon-md); height: var(--icon-md); }
.session-share-link-copy.copied { border-color: var(--accent-border-strong); color: var(--accent-text); }
.session-share-suggest-field { position: relative; }
.session-share-suggest { position: absolute; z-index: 5; top: calc(100% + 4px); left: 0; right: 0; max-height: 244px; overflow-y: auto; padding: 4px; display: grid; gap: 3px; background: var(--surface-sunken); border: 1px solid var(--border-strong); border-radius: var(--radius-md); }
.session-share-suggest-option { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 10px; border-radius: var(--radius-md); cursor: pointer; }
.session-share-suggest-option:hover, .session-share-suggest-option.active { background: var(--surface-hover); }
.session-share-suggest-remove { flex: 0 0 auto; border: 0; border-radius: var(--radius-sm); padding: 2px 7px; background: transparent; color: var(--muted); cursor: pointer; font-size: var(--text-base); line-height: 1; }
.session-share-suggest-remove:hover { color: var(--red); background: var(--red-surface); }
.session-share-suggest-remove svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-approval-toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 12px; border-radius: var(--radius-md); background: var(--surface-sunken); cursor: pointer; }
.session-approval-toggle-text { display: grid; gap: 3px; min-width: 0; }
.session-approval-toggle-text strong { font-size: var(--text-sm); }
.session-approval-toggle-text span { font-size: var(--text-2xs); }
.session-approval-toggle-input { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; clip: rect(0 0 0 0); overflow: hidden; }
.session-approval-switch { flex: 0 0 auto; position: relative; width: 40px; height: 22px; border-radius: var(--radius-full); background: var(--slate-a6); transition: background var(--dur-fast) var(--ease-standard); }
.session-approval-switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: var(--radius-full); background: var(--slate-12); transition: transform var(--dur-fast) var(--ease-standard); }
.session-approval-toggle-input:checked + .session-approval-switch { background: var(--accent); }
.session-approval-toggle-input:checked + .session-approval-switch::after { transform: translateX(18px); }
.session-approval-toggle-input:focus-visible + .session-approval-switch { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.session-approval-toggle-input:disabled + .session-approval-switch { opacity: .5; }
.session-approval-pending { display: grid; gap: 8px; margin-top: 10px; }
.session-approval-item { display: grid; gap: 8px; padding: 11px 12px; border-radius: var(--radius-md); background: var(--surface-sunken); }
.session-approval-identity { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.session-approval-identity strong { font-size: var(--text-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-approval-identity span { flex: 0 0 auto; font-size: var(--text-2xs); }
.session-approval-message { margin: 0; font-size: var(--text-sm); line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.session-approval-actions { display: flex; align-items: center; gap: 6px; }
.session-approval-approve, .session-approval-reject { display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border: 0; border-radius: var(--radius-md); font-size: var(--text-xs); font-weight: 700; cursor: pointer; }
.session-approval-approve { flex: 1 1 auto; justify-content: center; background: var(--text); color: var(--surface-deep); }
.session-approval-approve:hover { background: var(--muted); }
.session-approval-reject { flex: 0 0 auto; background: transparent; color: var(--muted); }
.session-approval-reject:hover { color: var(--text); background: var(--surface-hover); }
.session-approval-approve:disabled, .session-approval-reject:disabled { opacity: .5; cursor: wait; }
.session-approval-approve svg, .session-approval-reject svg { width: var(--icon-sm); height: var(--icon-sm); flex: 0 0 auto; }
.session-approval-badge { flex: 0 0 auto; min-width: 18px; padding: 2px 5px; border-radius: var(--radius-full); background: var(--slate-a8); color: var(--text); text-align: center; font-size: var(--text-2xs); font-weight: 700; font-variant-numeric: tabular-nums; }
.session-approval-mine { display: grid; gap: 6px; margin: 0 0 8px; }
.session-approval-mine-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 11px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-sunken); }
.session-approval-mine-item .session-approval-message { font-size: var(--text-xs); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-approval-status { flex: 0 0 auto; padding: 2px 8px; border-radius: var(--radius-full); font-size: var(--text-2xs); font-weight: 700; color: var(--muted); background: var(--slate-a4); }
.session-approval-status.approved { color: var(--text); background: var(--slate-a6); }
.session-approval-status.rejected { color: var(--text-muted); background: var(--slate-a4); }
.session-approval-notice { margin: 0 0 8px; padding: 8px 11px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-sunken); color: var(--muted); font-size: var(--text-xs); }
.session-chat-content { min-height: 0; display: grid; grid-template-rows: auto minmax(0,1fr) auto; }
.session-chat-context { margin: 0; padding: 12px 20px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: var(--text-xs); line-height: 1.5; }
.session-chat-messages { min-height: 0; overflow-y: auto; padding: 14px 12px; display: flex; flex-direction: column; gap: 2px; }
.session-chat-empty { margin: auto; color: var(--muted); font-size: var(--text-sm); }
.session-chat-message { width: 100%; display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 10px; padding: 7px 8px; border-radius: var(--radius-sm); }
.session-chat-message:hover { background: var(--slate-a3); }
.user-avatar { position: relative; flex: 0 0 auto; width: var(--avatar-size, 30px); height: var(--avatar-size, 30px); overflow: hidden; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: var(--avatar-bg, var(--slate-8)); }
.user-avatar-initial { color: var(--slate-12); font-size: calc(var(--avatar-size, 30px) * .42); font-weight: 700; line-height: 1; text-transform: uppercase; user-select: none; }
.user-avatar-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.user-avatar.avatar-chat { --avatar-size: 34px; }
.user-avatar.avatar-transcript { --avatar-size: 30px; }
.user-avatar.avatar-list { --avatar-size: 28px; }
.user-avatar.avatar-sm { --avatar-size: 22px; }
.user-avatar.avatar-profile { --avatar-size: 56px; }
.user-avatar.avatar-profile .user-avatar-initial { font-size: 1.5rem; }
.session-chat-message-content { min-width: 0; }
.session-chat-message-meta { display: flex; align-items: baseline; gap: 7px; color: var(--muted); font-size: var(--text-2xs); line-height: 1.3; }
.session-chat-message-meta strong { color: var(--text); font-size: var(--text-xs); }
.session-chat-message-body { margin: 2px 0 0; padding: 0; color: var(--text); font-size: var(--text-md); line-height: 1.5; overflow-wrap: anywhere; white-space: pre-wrap; }
.session-chat-message.mentions-me { background: var(--accent-surface); }
.session-chat-message.mentions-me:hover { background: var(--accent-surface-hover); }
.session-chat-message.notification-target { outline: 1px solid var(--accent-border-strong); background: var(--accent-surface-hover); }
.session-chat-mention-token { color: var(--accent); font-weight: 600; }
.session-chat-form { padding: 12px 16px max(12px, env(safe-area-inset-bottom)); border-top: 1px solid var(--border); background: var(--surface-sunken); }
.session-chat-form textarea { width: 100%; max-height: 120px; resize: vertical; }
.session-chat-form .form-footer { margin-top: 8px; }
/* 参加者チャットの送信はメインコンポーザの #session-send と同じ丸型アイコンボタン。 */
.session-chat-send { flex: 0 0 auto; width: var(--control-h-md); min-width: var(--control-h-md); height: var(--control-h-md); padding: 0; display: grid; place-items: center; border: 0; border-radius: var(--radius-full); background: var(--send-bg); color: var(--send-fg); cursor: pointer; transition: background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard); }
.session-chat-send svg { width: var(--icon-lg); height: var(--icon-lg); }
.session-chat-send:not(:disabled):hover { background: white; }
.session-chat-send:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.session-chat-send:disabled { color: var(--slate-10); background: var(--slate-6); cursor: default; }
.session-chat-mention-field { position: relative; }
.session-chat-mention-suggest { position: absolute; z-index: 6; left: 0; right: 0; bottom: calc(100% + 4px); max-height: 220px; overflow-y: auto; padding: 4px; display: grid; gap: 3px; background: var(--surface-raised); border: 1px solid var(--border-strong); border-radius: var(--radius-md); }
.session-chat-mention-option { min-width: 0; display: flex; align-items: center; gap: 10px; padding: 7px 9px; border-radius: var(--radius-md); cursor: pointer; }
.session-chat-mention-option:hover, .session-chat-mention-option.selected { background: var(--surface-hover); }
.session-chat-mention-name { min-width: 0; overflow: hidden; color: var(--text); font-size: var(--text-md); text-overflow: ellipsis; white-space: nowrap; }
.session-chat-unread.mention { background: var(--accent); color: var(--accent-contrast); }

/* Reaction chips + add affordance under each message body. */
.session-chat-reactions { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 4px; }
.session-chat-reaction { display: inline-flex; align-items: center; gap: 4px; padding: 1px 7px; border: 1px solid var(--border); border-radius: var(--radius-full); background: var(--surface-sunken); color: var(--text); font-size: var(--text-xs); line-height: 1.6; cursor: pointer; }
.session-chat-reaction:hover { background: var(--surface-hover); }
.session-chat-reaction.reacted { border-color: var(--accent-border-strong); background: var(--accent-surface); color: var(--accent-text); }
.session-chat-reaction.reacted:hover { background: var(--accent-surface-hover); }
.session-chat-reaction-emoji { font-size: var(--text-md); line-height: 1; }
.session-chat-reaction-count { font-variant-numeric: tabular-nums; font-weight: 600; }
.session-chat-reaction-add { display: inline-grid; place-items: center; width: var(--control-h-xs); height: var(--control-h-xs); padding: 0; border: 1px solid var(--border); border-radius: var(--radius-full); background: transparent; color: var(--muted); cursor: pointer; opacity: 0; transition: opacity var(--dur-fast) var(--ease-standard); }
.session-chat-reaction-add svg { width: var(--icon-sm); height: var(--icon-sm); display: block; }
.session-chat-reaction-add:hover { color: var(--text); background: var(--surface-hover); }
.session-chat-message:hover .session-chat-reaction-add,
.session-chat-message:focus-within .session-chat-reaction-add { opacity: 1; }
.session-chat-reaction-add:focus-visible { opacity: 1; outline: 2px solid var(--focus-ring); outline-offset: 1px; }

/* Composer emoji button sits left of the error / send row. */
.session-chat-emoji-button { flex: 0 0 auto; margin-right: auto; padding: 8px 9px; }

/* Shared emoji picker popover (reaction affordance + composer). */
.session-chat-emoji-picker { position: fixed; z-index: 40; width: 288px; padding: 8px; display: grid; gap: 8px; background: var(--surface-raised); border: 1px solid var(--border-strong); border-radius: var(--radius-md); }
.session-chat-emoji-picker[hidden] { display: none; }
.session-chat-emoji-search { width: 100%; }
.session-chat-emoji-search:focus { border-color: var(--border-strong); box-shadow: none; }
/* Height clamps to whole rows so the grid never cuts a glyph mid-row. */
.session-chat-emoji-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; max-height: 204px; overflow-y: auto; }
.session-chat-emoji { display: grid; place-items: center; aspect-ratio: 1; padding: 0; border: 0; border-radius: var(--radius-sm); background: transparent; font-size: 1.15rem; line-height: 1; cursor: pointer; }
.session-chat-emoji:hover, .session-chat-emoji.selected { background: var(--surface-hover); }
.session-chat-emoji.selected { outline: 2px solid var(--accent-border-strong); outline-offset: -2px; }
.session-chat-emoji-empty { grid-column: 1 / -1; margin: 0; padding: 12px 4px; color: var(--muted); font-size: var(--text-sm); text-align: center; }

.session-chat-resizer { display: none; }
.app-shell.chat-resizing { cursor: col-resize; user-select: none; }

@media (min-width: 1100px) {
  .app-shell.chat-docked .chat-layout { padding-right: var(--shared-chat-width, 420px); }
  #session-chat-drawer.docked { z-index: 15; top: var(--shell-header-h); width: var(--shared-chat-width, 420px); height: calc(100dvh - var(--shell-header-h)); transform: translateX(0); }
  #session-chat-drawer.docked .drawer-header { min-height: 64px; }
  #session-chat-drawer.docked .session-chat-resizer { display: block; position: absolute; z-index: 16; left: 0; top: 0; width: 6px; height: 100%; cursor: col-resize; touch-action: none; outline: none; }
  #session-chat-drawer.docked .session-chat-resizer::after { content: ""; position: absolute; inset: 0 2px; background: transparent; transition: background var(--dur-fast) var(--ease-standard); }
  #session-chat-drawer.docked .session-chat-resizer:hover::after, #session-chat-drawer.docked .session-chat-resizer:focus-visible::after, .app-shell.chat-resizing .session-chat-resizer::after { background: var(--attention); }
}

.task-list { display: grid; gap: 7px; }
.agent-list { display: grid; gap: 10px; }
.task-row { width: 100%; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 12px; border: 0; border-radius: var(--radius-md); background: var(--surface-sunken); text-align: left; cursor: pointer; }
.task-row:hover { background: var(--surface-hover); }
.task-row h3 { margin: 0; font-size: var(--text-md); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 5px; color: var(--text-muted); font-size: var(--text-2xs); }
.status-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 72px; padding: 6px 8px; border-radius: var(--radius-full); border: 1px solid var(--border); color: var(--muted); font-size: var(--text-2xs); font-weight: 700; }
.status-badge.running { color: var(--attention); }.status-badge.queued,.status-badge.cancel_requested { color: var(--caution); }.status-badge.succeeded { color: var(--success); }.status-badge.failed,.status-badge.canceled { color: var(--red); }
.agent-card { display: grid; gap: 10px; padding: 14px; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--surface-raised); transition: border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard); }
.agent-card:hover { border-color: var(--border); background: var(--surface); }
.agent-card.active { border-color: var(--attention-border); }
.agent-head { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: start; gap: 12px; }
.agent-identity { min-width: 0; }
.agent-title { min-width: 0; display: flex; align-items: center; flex-wrap: nowrap; gap: 7px; }
.agent-name { flex: 1 1 auto; min-width: 0; margin: 0; overflow: hidden; color: var(--text); font-size: var(--text-md); font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.agent-connection-state { display: none; }
.agent-head-controls { flex: none; display: flex; align-items: center; gap: 5px; }
.agent-version { display: none; }
.agent-dot { flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; }.agent-dot.online { background: var(--success); }.agent-dot.offline { background: var(--slate-8); }
.agent-host { margin: 5px 0 0; color: var(--text-muted); font-size: var(--text-2xs); line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.agent-task { color: var(--attention); font-size: var(--text-2xs); }
.session-connect-content select { width: 100%; }
.session-connect-source-context { margin: 0 0 16px; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-sunken); color: var(--text); font-size: var(--text-md); font-weight: 600; overflow-wrap: anywhere; }
.agent-update { min-width: 0; max-width: 100%; width: fit-content; margin: 0; display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: var(--radius-full); color: var(--muted); background: var(--surface-sunken); font-size: var(--text-2xs); line-height: 1.45; overflow-wrap: anywhere; }
.agent-update-dot { flex: 0 0 auto; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.agent-update.checking,.agent-update.skipped { color: var(--caution); background: var(--caution-surface); }.agent-update.up-to-date,.agent-update.staged { color: var(--success); background: var(--success-surface); }.agent-update.disabled,.agent-update.failed { color: var(--red); background: var(--red-surface); }
.agent-live { min-width: 0; padding-top: 10px; border-top: 1px solid var(--border); }.agent-current-goal { min-width: 0; margin: 0 0 6px; overflow: hidden; color: var(--muted); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }.agent-live-event { min-width: 0; display: flex; gap: 6px; color: var(--attention); font-size: var(--text-2xs); }.agent-live-event span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.agent-live-time { color: var(--faint); font-size: var(--text-2xs); }
.agent-card-actions { padding-top: 9px; display: flex; justify-content: flex-end; gap: 7px; border-top: 1px solid var(--border); }
.agent-open-session { min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 5px 9px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: transparent; cursor: pointer; font-size: var(--text-xs); font-weight: 700; }
.agent-settings,.agent-uninstall { width: var(--control-h-sm); height: var(--control-h-sm); display: inline-grid; place-items: center; padding: 0; border: none; border-radius: var(--radius-sm); color: var(--faint); background: transparent; cursor: pointer; }
.agent-settings svg,.agent-uninstall svg { width: var(--icon-sm); height: var(--icon-sm); }
.agent-settings:hover,.agent-settings:focus-visible { color: var(--text); background: var(--surface-hover); }
.agent-uninstall:hover, .agent-uninstall:focus-visible { color: var(--red); background: var(--red-surface); }
.agent-settings:disabled,.agent-uninstall:disabled { opacity: .5; cursor: wait; }
.agent-open-session { margin-right: auto; color: var(--attention); border-color: var(--attention-border); }
.agent-open-session:hover { background: var(--attention-surface); }
.agent-open-session:disabled { opacity: .5; cursor: wait; }
.live-pulse { width: 6px; height: 6px; margin-top: 3px; border-radius: 50%; background: var(--attention); }
.release-version { color: var(--muted); font-size: var(--text-2xs); }
.install-intro { margin: 0 0 12px; color: var(--muted); font-size: var(--text-sm); }
.install-command-list { display: grid; gap: 10px; }
.install-command { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-sunken); }
.install-command > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 11px; border-bottom: 1px solid var(--border); font-size: var(--text-xs); }
.install-command button { min-height: var(--control-h-sm); width: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-hover); color: var(--text); cursor: pointer; }
.install-command button svg, .enrollment-code button svg { width: var(--icon-sm); height: var(--icon-sm); }
.install-command button.copied, .enrollment-code button.copied { border-color: var(--accent-border-strong); color: var(--accent-text); }
.install-command pre { margin: 0; padding: 11px; overflow-x: auto; color: var(--muted); font: var(--text-2xs)/1.65 var(--font-mono); white-space: pre; }
.enrollment-code { padding: 10px; border: 1px solid var(--success-border); border-radius: var(--radius-md); background: var(--success-surface); }
.enrollment-code textarea { width: 100%; resize: none; border: 0; background: transparent; color: var(--text); font: var(--text-2xs)/1.45 var(--font-mono); overflow-wrap: anywhere; }
.enrollment-code > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 7px; color: var(--muted); font-size: var(--text-2xs); }

.guide-root, .guide-page { min-height: 100%; height: auto; overflow: visible; scroll-behavior: smooth; }
.guide-page { background: var(--sidebar); }
.guide-topbar { position: sticky; z-index: 10; top: 0; height: var(--shell-header-h); padding: 0 clamp(18px,4vw,44px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); background: var(--sidebar); }
.guide-back { text-decoration: none; font-size: var(--text-sm); }
.guide-layout { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(38px,6vw,84px); align-items: start; }
.guide-nav { position: sticky; top: 90px; padding: 44px 0; display: grid; gap: 6px; }
.guide-nav h1 { margin: 5px 0 18px; font-size: var(--text-xl); }
.guide-nav a { padding: 7px 9px; border-radius: var(--radius-md); color: var(--text-muted); text-decoration: none; font-size: var(--text-sm); }
.guide-nav a:hover { color: var(--text); background: var(--surface-raised); }
.guide-content { min-width: 0; padding: 58px 0 100px; font-size: var(--text-lg); line-height: 1.75; }
.guide-content > h1 { max-width: 760px; margin-top: 10px; font-size: clamp(2rem,5vw,3.4rem); line-height: 1.08; }
.guide-lead { max-width: 760px; color: var(--muted); font-size: var(--text-xl); }
.guide-content section { padding-top: 28px; scroll-margin-top: 72px; }
.guide-content .markdown-code-block { margin-top: 12px; }
.enrollment-code button { min-height: var(--control-h-sm); width: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-hover); color: var(--text); cursor: pointer; }
.empty-state { padding: 32px 16px; color: var(--faint); text-align: center; }.empty-state span { display: inline-flex; }.empty-state span svg { width: 26px; height: 26px; }.empty-state p { margin: 8px 0 0; font-size: var(--text-sm); }.compact-empty { padding: 22px 10px; }

.task-detail { grid-template-rows: auto minmax(0,1fr) auto; }
.task-detail > footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }
.detail-summary { display: grid; gap: 12px; padding: 15px; border-radius: var(--radius-md); background: var(--surface-sunken); }
.detail-summary dl { margin: 0; display: grid; grid-template-columns: 90px minmax(0,1fr); gap: 8px; font-size: var(--text-sm); }.detail-summary dt { color: var(--muted); }.detail-summary dd { margin: 0; overflow-wrap: anywhere; }
.final-response { margin-top: 15px; padding: 15px; border-radius: var(--radius-md); background: var(--accent-surface); white-space: pre-wrap; line-height: 1.65; font-size: var(--text-base); }.final-response.error { background: var(--red-surface); }
.timeline-title { margin: 24px 0 10px; color: var(--muted); font-size: var(--text-sm); letter-spacing: .08em; }
.timeline { display: grid; }.event { padding: 11px 0; border-bottom: 1px solid var(--border); }.event-head { display: flex; justify-content: space-between; color: var(--muted); font-size: var(--text-2xs); }.event-body { margin-top: 6px; color: var(--muted); font-size: var(--text-md); line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
.danger-button { min-height: var(--control-h-md); display: inline-flex; align-items: center; justify-content: center; padding: 9px 13px; border-radius: var(--radius-md); color: var(--red); border: 1px solid var(--red-border); background: transparent; cursor: pointer; }.danger-button:disabled { opacity: .35; }
.session-peer-mirror { margin: 14px 24px 0; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-sunken); overflow: hidden; }
.session-peer-mirror-heading { display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: var(--text-sm); }
.session-peer-mirror-heading span { color: var(--faint); }
.session-peer-connections { display: flex; flex-wrap: wrap; gap: 7px; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.session-peer-connections:empty { display: none; }
.session-peer-connection { display: inline-flex; align-items: center; gap: 6px; min-width: 0; padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text); font: inherit; font-size: var(--text-xs); }
button.session-peer-connection { cursor: pointer; }
button.session-peer-connection:hover { border-color: var(--accent); color: var(--accent); }
.session-peer-connection strong { white-space: nowrap; }
.session-peer-connection span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.session-peer-mirror-messages { max-height: 190px; overflow: auto; }
.session-peer-mirror-message { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.session-peer-mirror-message:last-child { border-bottom: 0; }
.session-peer-mirror-message-heading { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: var(--text-xs); }
.session-peer-mirror-message .message-text { margin-top: 4px; font-size: var(--text-sm); }
.toast-region { position: fixed; left: 50%; bottom: 24px; z-index: 60; display: flex; flex-direction: column; align-items: stretch; gap: 10px; width: min(520px, calc(100vw - 32px)); transform: translateX(-50%); pointer-events: none; }
.toast { pointer-events: auto; padding: 11px 14px; border-radius: var(--radius-md); background: var(--surface-raised); border: 1px solid var(--border-strong); color: var(--text); font-size: var(--text-md); line-height: 1.55; opacity: 0; transform: translateY(12px); transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-slow) var(--ease-out); }.toast.show { opacity: 1; transform: translateY(0); }
.toast-head { display: flex; align-items: flex-start; gap: 8px; }.toast-icon { flex: none; font-weight: 700; line-height: 1.55; color: var(--muted); }
.toast-success .toast-icon { color: var(--success); }.toast-info .toast-icon, .toast-warning .toast-icon { color: var(--muted); }.toast-error .toast-icon { color: var(--red); }
.toast.error { pointer-events: auto; }
.toast-message { display: block; margin: 0; min-width: 0; color: inherit; font: inherit; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; user-select: text; }
.toast-detail { margin-top: 8px; }.toast-detail-summary { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; color: var(--muted); font-size: var(--text-sm); list-style: none; }.toast-detail-summary::-webkit-details-marker { display: none; }.toast-detail-summary::before { content: ""; flex: none; width: 0; height: 0; border-top: 4px solid transparent; border-bottom: 4px solid transparent; border-left: 5px solid currentColor; transform: rotate(0); transition: transform .15s ease; }.toast-detail[open] .toast-detail-summary::before { transform: rotate(90deg); }.toast-detail-summary:hover { color: var(--text); }.toast-detail-body { margin: 6px 0 0; max-height: min(40vh,320px); overflow: auto; padding: 8px 10px; border-radius: var(--radius-sm); background: var(--surface-sunken); color: var(--muted); font-size: var(--text-sm); line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; user-select: text; }
.toast-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }.toast-action { min-height: var(--control-h-sm); display: inline-flex; align-items: center; justify-content: center; padding: 5px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: transparent; color: var(--text); cursor: pointer; font: inherit; }.toast-action:hover { background: var(--surface-hover); }
.confirm-backdrop { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 24px; background: var(--black-a7); opacity: 0; transition: opacity var(--dur-med) var(--ease-standard); }.confirm-backdrop.show { opacity: 1; }
.confirm-dialog { width: min(420px,100%); padding: 22px; border-radius: var(--radius-lg); background: var(--surface-raised); border: 1px solid var(--border-strong); transform: translateY(8px); transition: transform var(--dur-slow) var(--ease-out); }.confirm-backdrop.show .confirm-dialog { transform: translateY(0); }
.confirm-title { margin: 0 0 8px; font-size: var(--text-lg); font-weight: 600; }.confirm-message { margin: 0; color: var(--muted); font-size: var(--text-md); line-height: 1.7; white-space: pre-wrap; }
.confirm-input { display: grid; gap: 6px; margin-top: 16px; }.confirm-input-label { color: var(--muted); font-size: var(--text-sm); line-height: 1.5; }.confirm-input-control { width: 100%; padding: 9px 11px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface-sunken); color: var(--text); font: inherit; font-size: var(--text-md); }.confirm-input-control:focus { outline: none; border-color: var(--muted); }textarea.confirm-input-control { resize: vertical; min-height: 92px; line-height: 1.6; }
.meeting-dialog-recipients { display: grid; gap: 3px; margin: 12px 0 6px; }
.meeting-dialog-recipients[hidden] { display: none; }
.meeting-dialog-recipient { cursor: default; }
.meeting-dialog-field { margin-top: 4px; }
.meeting-dialog-label { display: grid; gap: 6px; margin-top: 8px; }
.meeting-dialog-error { margin: 6px 0 0; min-height: 1.2em; color: var(--red); font-size: var(--text-sm); }
.meeting-dialog-actions { margin-top: 18px; }
.session-chat-join { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; min-height: var(--control-h-md); margin: 6px 0 2px; padding: 4px 12px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); color: var(--text); cursor: pointer; font-size: var(--text-md); }
.session-chat-join:hover { background: var(--surface-hover); }
.session-chat-join svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-active-filter { min-width: 0; padding: 1px 8px 6px; }
.session-active-filter[hidden] { display: none; }
.session-active-filter button { max-width: 100%; min-height: var(--control-h-sm); display: flex; align-items: center; gap: 6px; padding: 4px 8px; border: 1px solid var(--attention-border); border-radius: var(--radius-full); background: var(--attention-surface); color: var(--text-muted); cursor: pointer; font: inherit; font-size: var(--text-xs); }
.session-active-filter button:hover, .session-active-filter button:focus-visible { border-color: var(--attention-border-strong); background: var(--attention-surface-strong); color: var(--text); outline: none; }
.session-active-filter span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-active-filter svg { flex: none; width: var(--icon-xs); height: var(--icon-xs); }

.session-search-backdrop { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 24px; background: var(--black-a7); opacity: 0; transition: opacity var(--dur-med) var(--ease-standard); }
.session-search-backdrop.show { opacity: 1; }
.session-search-dialog { width: min(680px, 100%); height: min(560px, calc(100dvh - 48px)); display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-raised); box-shadow: 0 24px 70px var(--black-a7); transform: translateY(8px) scale(.99); transition: transform var(--dur-slow) var(--ease-out); }
.session-search-backdrop.show .session-search-dialog { transform: translateY(0) scale(1); }
.session-search-field { flex: none; min-height: 60px; display: flex; align-items: center; gap: 12px; padding: 10px 14px 10px 20px; border-bottom: 1px solid var(--border); }
.session-search-input { flex: 1; min-width: 0; padding: 8px 0; border: 0; background: transparent; box-shadow: none; color: var(--text); font: inherit; font-size: var(--text-lg); }
.session-search-input:focus { outline: none; border: 0; background: transparent; box-shadow: none; }
.session-search-input::placeholder { color: var(--text-muted); }
.session-search-close { flex: none; width: var(--control-h-sm); height: var(--control-h-sm); display: grid; place-items: center; padding: 0; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text-muted); cursor: pointer; }
.session-search-close:hover, .session-search-close:focus-visible { background: var(--surface-hover); color: var(--text); outline: none; }
.session-search-close svg { width: var(--icon-sm); height: var(--icon-sm); }
.session-search-results { flex: 1; min-height: 0; overflow-y: auto; padding: 10px 12px 14px; }
.session-search-section-heading { padding: 10px 10px 6px; color: var(--text-muted); font-size: var(--text-sm); }
.session-search-list { display: flex; flex-direction: column; }
.session-search-row { min-width: 0; display: flex; align-items: center; gap: 11px; width: 100%; min-height: 52px; padding: 8px 10px; border: none; background: transparent; border-radius: var(--radius-md); color: var(--text); cursor: pointer; text-align: left; }
.session-search-row:hover { background: var(--surface-hover); }
.session-search-row.active { background: var(--surface-hover); box-shadow: inset 0 0 0 1px var(--border); }
.session-search-row-icon { flex: none; width: 22px; height: 22px; }
.session-search-row-body { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.session-search-row-title { min-width: 0; overflow: hidden; font-size: var(--text-md); text-overflow: ellipsis; white-space: nowrap; }
.session-search-row-secondary { min-width: 0; overflow: hidden; color: var(--muted); font-size: var(--text-sm); text-overflow: ellipsis; white-space: nowrap; }
.session-search-empty { margin: 0; padding: 32px 10px; color: var(--muted); font-size: var(--text-sm); text-align: center; }
.session-search-loading { margin: 0; padding: 8px 10px 12px; color: var(--muted); font-size: var(--text-sm); }
.session-search-hit { background: var(--accent-surface); color: var(--accent); border-radius: 3px; padding: 0 1px; }

.confirm-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }.confirm-cancel, .confirm-accept { min-height: var(--control-h-md); display: inline-flex; align-items: center; justify-content: center; padding: 9px 15px; border-radius: var(--radius-md); border: 1px solid var(--border); background: transparent; color: var(--text); cursor: pointer; font-size: var(--text-sm); }.confirm-cancel:hover { background: var(--surface-hover); }.confirm-accept { background: var(--surface); }.confirm-accept:hover { background: var(--surface-hover); }.confirm-accept:disabled { opacity: .4; cursor: not-allowed; }.confirm-accept.danger { color: var(--red); border-color: var(--red-border); background: transparent; }.confirm-accept.danger:hover { background: var(--red-surface); }

@keyframes typing-dot { 0%, 60%, 100% { transform: translateY(0); opacity: .45; } 30% { transform: translateY(-4px); opacity: 1; } }
@keyframes status-breathe { 50% { opacity: .45; transform: scale(.82); } }
@keyframes activity-flash { from { color: var(--text); } to { color: inherit; } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }

@media (max-width: 760px) {
  .connection-state { display: none; }
  .topbar { padding-inline: 8px; gap: 6px; }
  .topbar-start, .topbar-actions { gap: 6px; }
  .brand { min-width: 0; }
  /* Wordmark drops out below 760px; the logo mark alone carries the brand (aria-label stays). */
  .brand > span { display: none; }
  .chat-layout { display: block; }
  .session-sidebar-resizer { display: none; }
  .session-sidebar { position: fixed; z-index: 35; inset: var(--shell-header-h) auto 0 0; width: min(310px, 88vw); transform: translateX(-102%); transition: transform var(--dur-med) var(--ease-in); }
  .app-shell.sessions-open .session-sidebar { transform: translateX(0); transition: transform var(--dur-slow) var(--ease-out); }
  .conversation-pane { height: calc(100dvh - var(--shell-header-h)); }
  /* Two-row header: title block spans the full width (always readable), actions wrap to a right-aligned row below. */
  .conversation-header { min-height: 72px; padding: 12px 16px; flex-wrap: wrap; align-items: flex-start; gap: 10px 12px; }
  .conversation-title { flex: 1 1 100%; min-width: 0; }
  .session-title-form { min-width: min(62vw, 360px); grid-template-columns: minmax(100px,1fr) auto; }
  .session-title-form #session-title-cancel { display: none; }
  .conversation-meta { flex: 1 1 100%; display: flex; flex-wrap: nowrap; align-items: center; justify-content: flex-end; }
  .conversation-meta-details { display: none; }
  .conversation-meta > span { display: none; }
  .message-stream { width: 100%; padding: 18px 14px 240px; }
  .chat-message { grid-template-columns: 30px minmax(0,1fr); gap: 11px; padding: 18px 0; }
  .message-avatar { width: 28px; height: 28px; }
  .message-text { font-size: var(--text-base); }
  .conversation-footer { padding: 10px 16px; }
  .conversation-footer .session-runtime-status #session-activity { display: none; }
  .conversation-footer .session-model { max-width: 46vw; }
  .session-composer-wrap { padding-inline: 10px; }
  /* The blocked-state placeholder wraps to two lines on narrow screens — give the textarea room so it isn't clipped. */
  .session-composer-wrap.prompt-blocked .session-composer textarea { min-height: 62px; }
  .session-attachment { flex-basis: 60px; width: 60px; height: 60px; }
  .session-attachment.file { flex-basis: min(220px, calc(100vw - 24px)); width: min(220px, calc(100vw - 24px)); }
  .conversation-footer .session-terminal-actions span { display: none; }
  .session-welcome { padding: 24px; }
  .session-welcome h1 { font-size: var(--text-2xl); }
  .session-launch-page { padding: 24px 16px; align-content: start; padding-top: 48px; }
  .session-launch-selectors { grid-template-columns: 1fr; }
}