/* ─────────────────────────────────────────────────────────────────────────
   Stele Chat — design tokens + base
   ───────────────────────────────────────────────────────────────────────── */

:root {
  --accent: oklch(0.82 0.13 178);
  --accent-2: oklch(0.74 0.13 178);
  --accent-soft: color-mix(in oklch, oklch(0.82 0.13 178) 18%, transparent);
  --accent-glow: oklch(0.82 0.13 178 / 0.32);
  --on-accent: #04161a;
  --radius: 10px; --radius-sm: 6px; --radius-lg: 14px;
  --ease: cubic-bezier(.3,.7,.4,1);
  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --glass-blur: blur(32px) saturate(180%);
  --glass-blur-strong: blur(44px) saturate(190%);
  --c-create: oklch(0.78 0.14 145); --c-update: oklch(0.82 0.13 200);
  --c-delete: oklch(0.7 0.18 25); --c-warn: oklch(0.82 0.13 78); --c-pending: oklch(0.82 0.13 78);
  --ok: oklch(0.78 0.14 145);
  --warn: oklch(0.82 0.13 78);
  --danger: oklch(0.7 0.18 25);
}

:root[data-theme="dark"] {
  --bg-0: #0a0b0e;
  --bg-1: #14161b;
  --bg-2: #181b21;
  --bg-3: #1f2229;
  --bg-hover: rgba(255,255,255,0.04);
  --line: rgba(255,255,255,0.07);
  --line-strong: rgba(255,255,255,0.22);
  --text-0: #e7e9ee;
  --text-1: #b8bdc9;
  --text-2: #80869a;
  --text-3: #5a606e;
  --code-bg: #0a0c10;
  --code-line: rgba(255,255,255,0.06);
  --user-bg: #181b21;

  /* Glass surfaces — used by sidebar, topbar, composer, all cards. */
  --glass-1: rgba(20,22,27,0.55);     /* deep */
  --glass-2: rgba(24,27,33,0.6);      /* mid */
  --glass-3: rgba(255,255,255,0.04);  /* light over mesh */
  --glass-edge: rgba(255,255,255,0.16);
  --glass-highlight: rgba(255,255,255,0.08);

  --shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 12px 32px -12px rgba(0,0,0,0.6);
  --shadow-lg: 0 1px 0 rgba(255,255,255,0.05) inset, 0 24px 60px -20px rgba(0,0,0,0.8);

  --shine-1: rgba(255,255,255,0.10);
  --shine-2: rgba(255,255,255,0.025);

  /* Mesh — jade/violet low-saturation aurora behind everything */
  --mesh-1: oklch(0.82 0.13 178 / 0.10);
  --mesh-2: oklch(0.6 0.18 295 / 0.10);
  --mesh-3: oklch(0.7 0.10 30 / 0.06);
  --mesh-4: oklch(0.72 0.08 145 / 0.06);
}

:root[data-theme="light"] {
  --bg-0: #f6f4ee;
  --bg-1: #ffffff;
  --bg-2: #f1eee6;
  --bg-3: #e8e4d9;
  --bg-hover: rgba(28,22,12,0.04);
  --line: rgba(28,22,12,0.08);
  --line-strong: rgba(28,22,12,0.24);
  --text-0: #14110b;
  --text-1: #3a352c;
  --text-2: #6a6357;
  --text-3: #94897a;
  --code-bg: #1c1a14;
  --code-line: rgba(28,22,12,0.06);
  --user-bg: #ffffff;

  --glass-1: rgba(246,244,238,0.72);
  --glass-2: rgba(255,255,255,0.78);
  --glass-3: rgba(255,255,255,0.55);
  --glass-edge: rgba(28,22,12,0.18);
  --glass-highlight: rgba(255,255,255,0.95);

  --shadow: 0 1px 2px rgba(28,22,12,.05), 0 6px 24px rgba(28,22,12,.07), 0 1px 0 var(--glass-highlight) inset;
  --shadow-lg: 0 4px 16px rgba(28,22,12,.08), 0 24px 60px rgba(28,22,12,.14), 0 1px 0 var(--glass-highlight) inset;

  --shine-1: rgba(255,255,255,0.55);
  --shine-2: rgba(255,255,255,0.18);

  /* Mesh — subtle jade/violet tints on paper */
  --mesh-1: oklch(0.82 0.13 178 / 0.12);
  --mesh-2: oklch(0.6 0.18 295 / 0.08);
  --mesh-3: oklch(0.7 0.10 30 / 0.06);
  --mesh-4: oklch(0.72 0.08 145 / 0.06);
}

* { box-sizing: border-box; }

html, body, #root {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-0);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(55% 50% at 12% 6%, var(--mesh-1) 0%, transparent 60%),
    radial-gradient(50% 45% at 95% 95%, var(--mesh-2) 0%, transparent 65%),
    radial-gradient(40% 38% at 95% 12%, var(--mesh-3) 0%, transparent 60%),
    radial-gradient(38% 35% at 4% 80%, var(--mesh-4) 0%, transparent 60%);
  animation: mesh-drift 24s ease-in-out infinite alternate;
}
@keyframes mesh-drift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-1.5%, 1%, 0) scale(1.04); }
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  outline: none;
  padding: 0;
}

button { cursor: pointer; }

::selection { background: var(--accent-soft); color: var(--text-0); }

*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: content-box; border: 3px solid transparent; }

/* ─────────────────────────────────────────────────────────────────────────
   App shell
   ───────────────────────────────────────────────────────────────────────── */

.app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  height: 100vh;
  width: 100vw;
}

.app.has-inspector {
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(280px, 340px);
}

/* ─────────────────────────────────────────────────────────────────────────
   Sidebar
   ───────────────────────────────────────────────────────────────────────── */

.sidebar {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg-2) 75%, transparent) 0%, color-mix(in oklab, var(--bg-0) 60%, transparent) 100%);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  min-height: 0;
  position: relative;
}

.sb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px 16px;
  border-bottom: 1px solid var(--line);
}
.sb-brand-name {
  font: 500 14.5px var(--font-sans);
  letter-spacing: -0.005em;
}
.sb-brand-sub {
  font: 500 9.5px var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--text-2);
  margin-top: 2px;
}

.sb-new {
  margin: 14px 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 13px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .15s var(--ease);
}
.sb-new:hover {
  border-color: var(--accent);
  background: var(--bg-3);
  color: var(--text-0);
}
.sb-new:active { transform: scale(.99); }
.sb-new .kbd {
  font: 500 10px var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--text-2);
  background: var(--bg-0);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
}

.sb-search {
  margin: 10px 12px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .15s var(--ease);
}
.sb-search:focus-within { border-color: var(--accent); }
.sb-search input { flex: 1; min-width: 0; font-size: 13px; }
.sb-search input::placeholder { color: var(--text-2); }
.sb-search .kbd {
  font: 500 10px var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--text-2);
  background: var(--bg-0);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
}

.sb-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px 8px;
  min-height: 0;
}

/* group label: uppercase mono + trailing rule + item count */
.sb-group {
  padding: 0 6px 8px;
  font: 500 10px var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  display: flex;
  align-items: center;
}
.sb-group::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  margin-inline: 10px;
}
.sb-group-count { color: var(--text-3); }

/* item: flex row; tick span carries the accent bar */
.sb-item {
  position: relative;
  display: flex;
  flex-direction: row;
  gap: 8px;
  align-items: flex-start;
  padding: 9px 32px 9px 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-1);
  transition: background .15s var(--ease), border-color .15s var(--ease);
  margin-bottom: 2px;
}
.sb-item:hover { background: var(--bg-hover); }
.sb-item.active {
  background: var(--bg-3);
  border-color: var(--line);
  color: var(--text-0);
}

/* accent tick — a real child <span class="sb-item-tick"> */
.sb-item-tick {
  width: 3px;
  align-self: stretch;
  border-radius: 3px;
  margin-top: 1px;
  margin-bottom: 1px;
  margin-right: 4px;
  background: transparent;
  flex-shrink: 0;
  transition: background .15s var(--ease);
  pointer-events: none;
}
.sb-item.active .sb-item-tick {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* body (title + time) */
.sb-item-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sb-item-title {
  font: 500 13.5px var(--font-sans);
  letter-spacing: -0.005em;
  color: inherit;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sb-item.active .sb-item-title { color: var(--text-0); }

.sb-item-time {
  font: 500 10.5px var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.sb-item-menu {
  position: absolute;
  right: 6px;
  top: 6px;
  width: 22px; height: 22px;
  border-radius: 5px;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
}
.sb-item:hover .sb-item-menu { display: flex; }
.sb-item-menu:hover { background: var(--bg-0); color: var(--text-0); }

.sb-item .pinned-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
  flex-shrink: 0;
}

/* user footer */
.sb-user {
  border-top: 1px solid var(--line);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sb-avatar {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, oklch(0.66 0.18 312), oklch(0.7 0.16 38));
  display: grid; place-items: center;
  font: 600 13px var(--font-mono);
  color: white;
  flex-shrink: 0;
}
.sb-user-info { flex: 1; min-width: 0; }
.sb-user-info .name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sb-user-info .org {
  font: 500 10px var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-2);
}
.sb-user-actions { display: flex; gap: 2px; }
.sb-logout-btn {
  font: 500 10.5px var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-2);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 4px 9px;
  cursor: pointer;
  transition: color .15s var(--ease), border-color .15s var(--ease), background .15s var(--ease);
}
.sb-logout-btn:hover { color: var(--text-0); border-color: var(--line-strong); background: var(--bg-hover); }

/* ─────────────────────────────────────────────────────────────────────────
   Main chat area
   ───────────────────────────────────────────────────────────────────────── */

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  position: relative;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--glass-edge);
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--bg-0) 60%, transparent),
    color-mix(in oklab, var(--bg-0) 30%, transparent));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 2;
  position: relative;
  box-shadow: 0 1px 0 var(--glass-highlight) inset;
}

/* Breadcrumb */
.tb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 13px var(--font-mono);
  letter-spacing: -0.005em;
  color: var(--text-2);
  min-width: 0;
}
.tb-bread-sep { color: var(--text-3); }

/* Session title segment (active breadcrumb) */
.tb-title {
  color: var(--text-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}
.tb-title-edit {
  padding: 2px 6px;
  margin: -2px -6px;
  border-radius: 5px;
  cursor: text;
  transition: background .15s var(--ease);
}
.tb-title-edit:hover { background: var(--bg-hover); }

/* Meta chip (reuses .stl-chip, slight override) */
.tb-meta {
  flex-shrink: 0;
  font-size: 11px;
  white-space: nowrap;
}

.tb-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.tb-btn {
  height: 32px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 12px var(--font-sans);
  color: var(--text-2);
  border-radius: 6px;
  border: 1px solid transparent;
  transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease);
}
.tb-btn:hover { background: var(--bg-hover); color: var(--text-0); }
.tb-btn.ghost-icon { width: 32px; padding: 0; justify-content: center; }
.tb-btn.ghost-icon.active {
  background: var(--bg-1);
  color: var(--text-0);
  border-color: var(--line-strong);
}
.tb-btn.primary {
  background: var(--accent-soft);
  color: var(--text-0);
  border: 1px solid var(--line);
}

.tb-model {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 10px;
  font: 500 12px var(--font-mono);
  letter-spacing: 0.04em;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-1);
  background: var(--bg-1);
}
.tb-model .ring {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 6px color-mix(in oklch, var(--ok) 60%, transparent);
}

/* MCP server indicator */
.tb-mcp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-1);
}
.tb-mcp .count {
  background: var(--accent-soft);
  color: var(--text-0);
  border-radius: 999px;
  padding: 0 6px;
  font-size: 10px;
}

.tb-left-group { display: flex; align-items: center; gap: 14px; min-width: 0; }
.tb-bread-dim { color: var(--text-3); }
.stl-pulse-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

/* Menu */
.menu {
  position: absolute;
  z-index: 50;
  min-width: 220px;
  background: var(--glass-2);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 5px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
}
.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--text-1);
  transition: background .12s var(--ease), color .12s var(--ease);
  width: 100%;
  text-align: left;
}
.menu-item:hover { background: var(--bg-hover); color: var(--text-0); }
.menu-item .kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-2);
}
.menu-divider { height: 1px; background: var(--line); margin: 5px 2px; }

/* Sidebar kebab popover, inline rename, topbar inline rename */
.sb-menu { position: absolute; right: 8px; top: 30px; z-index: 60; min-width: 110px; }
.sb-menu .menu-item-delete { color: var(--c-delete); }
.sb-rename-input {
  width: 100%; font: inherit; color: var(--text-0);
  background: var(--bg-2); border: 1px solid var(--accent); border-radius: 6px; padding: 3px 6px;
}
.tb-title-input {
  font: inherit; font-weight: 600; color: var(--text-0);
  background: var(--bg-2); border: 1px solid var(--accent); border-radius: 6px; padding: 2px 8px; min-width: 200px;
}

/* Delete confirm overlay */
.confirm-overlay { position: fixed; inset: 0; z-index: 300; background: rgba(0,0,0,0.4); display: grid; place-items: center; }
.confirm-dialog {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 22px; max-width: 360px; box-shadow: var(--shadow-lg); color: var(--text-0);
}
.confirm-dialog .confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.confirm-dialog button { padding: 6px 14px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line); background: var(--bg-3); color: var(--text-0); }
.confirm-dialog .confirm-danger { background: var(--c-delete); color: #fff; border: none; }

/* ─────────────────────────────────────────────────────────────────────────
   Conversation
   ───────────────────────────────────────────────────────────────────────── */

.convo {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0 200px;
  scroll-behavior: smooth;
  position: relative;
  min-height: 0;
}

.thread {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 32px;
}

/* User turn */
.msg-user {
  display: flex;
  justify-content: flex-end;
  margin: 24px 0;
}
.msg-user-bubble {
  max-width: min(680px, 80%);
  padding: 2px 14px 2px 0;
  border-right: 3px solid var(--accent);
  text-align: right;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-0);
  position: relative;
}
.msg-user-meta {
  margin-top: 6px;
  font: 500 10.5px var(--font-mono);
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-align: right;
}

/* Assistant turn */
.msg-asst {
  margin: 28px 0;
  position: relative;
}
.msg-asst-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
/* stl-mark sizing override for avatar context */
.msg-asst-avatar {
  width: 24px; height: 24px;
  font-size: 11px;
  flex-shrink: 0;
}
.msg-asst-name {
  font: 500 13.5px var(--font-sans);
  color: var(--text-0);
}
.msg-asst-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-2);
}

/* Agent bubble: left border + indent (prototype agentBubble) */
.msg-asst-body {
  padding-left: 36px;
  padding-top: 2px;
  border-left: 1px solid var(--glass-edge);
  margin-left: 12px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-0);
}

/* Markdown body */
.asst-text {
  margin: 10px 8px 16px 4px;
  padding: 16px 18px;
  /* Faint accent-color full border; keeps border-top-width 1px for 25.17 assertion */
  border: 1px solid color-mix(in oklch, var(--accent) 28%, transparent);
  border-radius: var(--radius);
  background: var(--bg-1);
  box-shadow: var(--shadow);
  color: var(--text-0);
  line-height: 1.65;
  font-size: 14.5px;
}
.asst-text > :first-child { margin-top: 0; }
.asst-text > :last-child { margin-bottom: 0; }
.asst-text p { margin: 8px 0 12px; color: var(--text-1); line-height: 1.7; }

/* H2: prototype # anchor + trailing rule */
.asst-text h1, .asst-text h2, .asst-text h3, .asst-text h4 {
  font-weight: 500; line-height: 1.3; color: var(--text-0); letter-spacing: -0.01em;
}
.asst-text h1 { font-size: 1.35em; margin: 22px 0 12px; }
.asst-text h2 {
  font-size: 1.2em; margin: 22px 0 12px;
  display: flex; align-items: center; gap: 10px;
}
.asst-text h2::before {
  content: "#";
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.87em;
  font-weight: 500;
  letter-spacing: 0;
  flex-shrink: 0;
}
.asst-text h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--glass-edge), transparent);
  margin-left: 4px;
}
.asst-text h3 { font-size: 1.07em; margin: 18px 0 8px; }
.asst-text h4 { font-size: 1em; margin: 14px 0 6px; color: var(--text-1); }

/* Diamond bullet list */
.asst-text ul { list-style: none; padding: 0; margin: 6px 0 14px; display: flex; flex-direction: column; gap: 6px; }
.asst-text ol { margin: 0 0 10px; padding-left: 22px; }
.asst-text li { margin: 3px 0; }
.asst-text ul li { display: flex; align-items: baseline; gap: 0; }
.asst-text ul li::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin-right: 12px;
  flex-shrink: 0;
  background: var(--accent);
  transform: rotate(45deg);
  position: relative;
  top: -1px;
}

.asst-text blockquote {
  margin: 0 0 10px; padding: 2px 12px; border-left: 3px solid var(--line-strong); color: var(--text-1);
}

/* Code block */
.asst-text pre {
  margin: 10px 0 20px;
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius);
  background: var(--code-bg);
  overflow: hidden;
}
.asst-text pre code { background: none; border: none; padding: 14px 16px 16px; font-size: 0.85em; display: block; overflow-x: auto; }

/* Table — prototype header strip style */
.asst-text table {
  border-collapse: separate;
  border-spacing: 0;
  margin: 0 0 10px;
  font-size: 0.92em;
  width: 100%;
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius);
  overflow: hidden;
  display: table;
}
.asst-text th {
  text-align: left;
  padding: 10px 14px;
  font: 500 11px var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--text-2);
  border-bottom: 1px solid var(--glass-edge);
  border-right: 1px solid var(--glass-edge);
  background: var(--bg-2);
  text-transform: uppercase;
}
.asst-text th:last-child { border-right: 0; }
.asst-text td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font: 500 13.5px var(--font-sans);
  color: var(--text-1);
  letter-spacing: -0.005em;
  text-align: left;
}
.asst-text td:last-child { border-right: 0; }
.asst-text tr:last-child td { border-bottom: 0; }

.asst-text a { color: var(--accent); text-decoration: none; }
.asst-text a:hover { text-decoration: underline; }
.asst-text strong { font-weight: 600; color: var(--text-0); }
.asst-text code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-2);
  padding: 1.5px 5px;
  border-radius: 4px;
  border: 1px solid var(--glass-edge);
  color: var(--accent);
}
.asst-text img { max-width: 100%; border-radius: var(--radius-sm); }
.asst-text script { display: none; }

.msg-actions {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  transition: opacity .15s var(--ease);
}
.msg-asst:hover .msg-actions { opacity: 1; }
.msg-actions .ico-btn {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: grid; place-items: center;
  color: var(--text-2);
  transition: background .12s var(--ease), color .12s var(--ease);
}
.msg-actions .ico-btn:hover {
  background: var(--bg-hover);
  color: var(--text-0);
}

/* ─────────────────────────────────────────────────────────────────────────
   Thinking
   ───────────────────────────────────────────────────────────────────────── */

.think {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-3);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  overflow: hidden;
}
.think-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text-2);
  font-size: 12px;
  width: 100%;
  text-align: left;
}
.think-head .chev {
  transition: transform .2s var(--ease);
  color: var(--text-3);
}
.think.open .chev { transform: rotate(90deg); }
.think-head .label { font-weight: 500; }
.think-head .duration {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-3);
}
.think-head:hover { color: var(--text-1); }

.think-body {
  padding: 4px 14px 14px 32px;
  font-size: 12.5px;
  color: var(--text-2);
  font-style: italic;
  line-height: 1.6;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.06);
}
[data-theme="light"] .think-body { background: var(--bg-3); }
.think-body p { margin: 8px 0; }
.think-body p:first-child { margin-top: 12px; }

.think-thinking-dot {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.think-thinking-dot i {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--text-3);
  animation: blink 1.4s var(--ease) infinite;
}
.think-thinking-dot i:nth-child(2) { animation-delay: .2s; }
.think-thinking-dot i:nth-child(3) { animation-delay: .4s; }

@keyframes blink {
  0%, 60%, 100% { opacity: .25; }
  30% { opacity: 1; }
}

/* ─────────────────────────────────────────────────────────────────────────
   Steps
   ───────────────────────────────────────────────────────────────────────── */

.steps {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-3);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  overflow: hidden;
}
.steps-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-1);
  width: 100%;
  text-align: left;
  border-bottom: 1px solid transparent;
  transition: border-color .15s var(--ease);
}
.steps.open .steps-head { border-bottom-color: var(--line); }
.steps-head .label { font-weight: 500; }
.steps-head .progress {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-2);
}
.steps-head .chev {
  color: var(--text-3);
  transition: transform .2s var(--ease);
}
.steps.open .steps-head .chev { transform: rotate(90deg); }

.steps-body {
  padding: 12px 16px 12px;
  position: relative;
}
.steps-body::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(to bottom, var(--line), var(--line-strong), var(--line));
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 6px 0;
  position: relative;
}
.step-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  color: var(--text-2);
}
.step.done .step-dot {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.step.running .step-dot {
  background: var(--bg-0);
  border-color: var(--accent);
}
.step.running .step-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.step-content {
  flex: 1;
  min-width: 0;
  padding-top: 0;
}
.step-label {
  font-size: 13px;
  color: var(--text-0);
  font-weight: 500;
}
.step.pending .step-label { color: var(--text-2); }
.step-desc {
  font-size: 11.5px;
  color: var(--text-2);
  margin-top: 2px;
  font-family: var(--font-mono);
}

/* ─────────────────────────────────────────────────────────────────────────
   Tool call — frosted-glass card (single style)
   ───────────────────────────────────────────────────────────────────────── */

.tool-collapsible {
  margin: 8px 0;
  border-radius: var(--radius);
  background: var(--glass-2);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  overflow: hidden;
  color: var(--text-0);
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.tool-collapsible:hover { border-color: var(--line-strong); }
.tool-collapsible.open {
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
}

.tool-collapsible .tool-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: left;
  border-bottom: 1px solid transparent;
  transition: background .15s var(--ease), border-color .15s var(--ease);
  cursor: pointer;
  user-select: none;
}
.tool-collapsible .tool-head:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.tool-collapsible .tool-head:hover { background: var(--bg-hover); }
.tool-collapsible.open .tool-head {
  border-bottom-color: var(--line);
  background: var(--bg-hover);
}

.tool-chev {
  color: var(--text-2);
  transition: transform .25s var(--ease);
  flex-shrink: 0;
}
.tool-collapsible.open .tool-chev { transform: rotate(90deg); }

.tool-sig {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tool-icon-sig {
  color: var(--accent);
  margin-right: 8px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px var(--accent-glow));
}
.tool-ns { color: var(--text-1); }
.tool-dot { color: var(--text-3); }
.tool-fn { color: var(--text-0); font-weight: 600; }
.tool-paren { color: var(--text-3); }
.tool-argsum {
  color: oklch(0.6 0.14 145);
  margin: 0 1px;
}
[data-theme="dark"] .tool-argsum { color: oklch(0.82 0.15 145); }
.tool-arrow { color: var(--text-3); margin: 0 8px; }
.tool-summary { color: var(--text-1); overflow: hidden; text-overflow: ellipsis; }

.tool-badge {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 1.5px 7px;
  border-radius: 999px;
  border: 1px solid;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex-shrink: 0;
  font-weight: 500;
}
.tool-badge.ok {
  color: oklch(0.55 0.14 145);
  border-color: oklch(0.6 0.14 145 / 0.3);
  background: oklch(0.78 0.15 145 / 0.1);
}
[data-theme="dark"] .tool-badge.ok { color: oklch(0.82 0.15 145); }
.tool-badge.running, .tool-badge.pending {
  color: oklch(0.55 0.14 200);
  border-color: oklch(0.6 0.13 200 / 0.3);
  background: oklch(0.82 0.13 200 / 0.1);
}
[data-theme="dark"] .tool-badge.running, [data-theme="dark"] .tool-badge.pending {
  color: oklch(0.84 0.13 200);
}
.tool-badge.fail {
  color: oklch(0.55 0.18 25);
  border-color: oklch(0.6 0.18 25 / 0.3);
  background: oklch(0.7 0.18 25 / 0.1);
}
[data-theme="dark"] .tool-badge.fail { color: oklch(0.78 0.18 25); }

.tool-dur {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-2);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.tool-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}
.tool-actions .ico-btn {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 5px;
  color: var(--text-2);
  background: transparent;
  border: 0;
  transition: background .12s var(--ease), color .12s var(--ease);
}
.tool-actions .ico-btn:hover {
  background: var(--bg-hover);
  color: var(--text-0);
}

/* Tabs */
.tool-tabs {
  display: flex;
  gap: 2px;
  padding: 4px 10px 0;
  background: var(--bg-hover);
  border-bottom: 1px solid var(--line);
}
.tool-tab {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 7px 11px;
  border-radius: 5px 5px 0 0;
  color: var(--text-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  background: transparent;
  border: 0;
  font-weight: 500;
}
.tool-tab.active {
  color: var(--accent);
  background: var(--glass-2);
}
.tool-tab.active::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}
.tool-tab:hover { color: var(--text-0); }
.tool-tab .count {
  font-size: 9.5px;
  margin-left: 5px;
  color: var(--text-2);
}

.result-toggle {
  display: flex;
  gap: 2px;
  padding: 9px 14px 0;
  background: var(--bg-hover);
}
.rt-btn {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  padding: 3px 9px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  font-weight: 500;
}
.rt-btn:hover { color: var(--text-1); }
.rt-btn.active {
  color: var(--text-0);
  background: var(--glass-2);
  border-color: var(--line);
}

/* Body */
.tool-body {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
  color: var(--text-0);
}
.tool-body.json { color: var(--text-1); }
.tool-body.json .code-line { white-space: pre; }
.tool-body .ln {
  color: var(--text-3);
  user-select: none;
  display: inline-block;
  width: 28px;
  text-align: right;
  padding-right: 14px;
}

/* JSON tokens — work on both themes */
.tok-kw   { color: oklch(0.55 0.18 320); }
.tok-fn   { color: oklch(0.55 0.13 200); }
.tok-str  { color: oklch(0.5 0.14 145); }
.tok-num  { color: oklch(0.55 0.15 50); }
.tok-com  { color: var(--text-3); font-style: italic; }
.tok-op   { color: var(--text-0); }
.tok-pn   { color: var(--text-2); }
.tok-prop { color: oklch(0.5 0.18 280); }
.tok-id   { color: var(--text-1); }

[data-theme="dark"] .tok-kw   { color: oklch(0.78 0.18 320); }
[data-theme="dark"] .tok-fn   { color: oklch(0.82 0.13 200); }
[data-theme="dark"] .tok-str  { color: oklch(0.82 0.15 145); }
[data-theme="dark"] .tok-num  { color: oklch(0.84 0.13 65); }
[data-theme="dark"] .tok-prop { color: oklch(0.84 0.10 80); }
[data-theme="dark"] .tok-id   { color: #c6cad4; }

/* Schema pane */
.schema-body {
  white-space: normal;
  font-size: 12px;
  color: var(--text-1);
  padding: 16px 18px;
}
.schema-row {
  display: flex;
  gap: 16px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}
.schema-row:last-child { border-bottom: 0; }
.schema-row-block { flex-direction: column; gap: 6px; }
.schema-k {
  width: 110px;
  color: var(--text-2);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.07em;
  padding-top: 3px;
  flex-shrink: 0;
  font-weight: 600;
}
.schema-v { color: var(--text-0); flex: 1; }
.schema-col {
  display: inline-block;
  background: var(--bg-hover);
  padding: 2px 8px;
  border-radius: 5px;
  margin-right: 6px;
  margin-bottom: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-1);
  border: 1px solid var(--line);
}

/* Table output */
.tool-body.table-output {
  white-space: normal;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}
.tbl {
  width: 100%;
  border-collapse: collapse;
}
.tbl thead th {
  text-align: left;
  font-weight: 500;
  font-size: 10.5px;
  color: var(--text-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-hover);
  white-space: nowrap;
}
.tbl tbody td {
  padding: 8px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--text-0);
  white-space: nowrap;
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover td { background: var(--bg-hover); }
.tbl .num { text-align: right; font-family: var(--font-mono); font-size: 12px; }
.tbl .rank {
  font-family: var(--font-mono);
  color: var(--text-2);
  font-size: 11px;
  width: 32px;
}
.tbl .pos { color: oklch(0.5 0.14 145); }
.tbl .neg { color: oklch(0.55 0.18 25); }
[data-theme="dark"] .tbl .pos { color: oklch(0.82 0.15 145); }
[data-theme="dark"] .tbl .neg { color: oklch(0.78 0.18 25); }
.tbl .badge-warn {
  font-size: 9.5px;
  padding: 1.5px 7px;
  border-radius: 999px;
  background: oklch(0.78 0.16 65 / 0.18);
  color: oklch(0.55 0.16 65);
  border: 1px solid oklch(0.7 0.18 65 / 0.3);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  font-weight: 600;
}
[data-theme="dark"] .tbl .badge-warn { color: oklch(0.82 0.16 65); }

/* Tool footer */
.tool-foot {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-2);
  background: var(--bg-hover);
  border-top: 1px solid var(--line);
  gap: 10px;
  letter-spacing: 0.04em;
}
.tool-foot .ok-dot { color: oklch(0.6 0.14 145); font-size: 7px; }
[data-theme="dark"] .tool-foot .ok-dot { color: oklch(0.82 0.15 145); }

/* ─────────────────────────────────────────────────────────────────────────
   Changeset
   ───────────────────────────────────────────────────────────────────────── */

.changeset {
  margin: 10px 0;
  border-radius: var(--radius);
  background: var(--glass-2);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.changeset::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--c-pending);
  transition: background .25s var(--ease);
}
.cs-applied { border-color: oklch(var(--c-create) / 0.3); }
.cs-applied::before { background: var(--c-create); }
.cs-rejected { opacity: 0.65; }
.cs-rejected::before { background: var(--text-3); }
.cs-approving::before {
  background: linear-gradient(180deg, var(--c-update) 0%, var(--accent) 100%);
  animation: cs-progress 1.5s ease-in-out infinite;
}
@keyframes cs-progress {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.cs-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 8px 18px;
}
.cs-badge {
  width: 26px; height: 26px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--c-pending);
  background: oklch(0.78 0.16 65 / 0.12);
  border: 1px solid oklch(0.78 0.16 65 / 0.3);
}
.cs-applied .cs-badge {
  color: var(--c-create);
  background: oklch(0.78 0.15 145 / 0.12);
  border-color: oklch(0.78 0.15 145 / 0.3);
}
.cs-rejected .cs-badge {
  color: var(--text-2);
  background: var(--bg-2);
  border-color: var(--line);
}
.cs-approving .cs-badge {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent);
}

.cs-head-text { flex: 1; min-width: 0; }
.cs-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.005em;
}
.cs-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: 11px;
  color: var(--text-2);
  font-family: var(--font-mono);
}
.cs-sub .cs-dot { color: var(--text-3); }
.cs-sub .cs-time { color: var(--c-create); }

.cs-meta { display: flex; align-items: center; gap: 8px; }
.cs-id {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-2);
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.cs-desc {
  padding: 0 16px 12px 18px;
  font-size: 13px;
  color: var(--text-1);
  line-height: 1.55;
}

.cs-ops {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 16px 12px;
}

.cs-op {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-2);
  overflow: hidden;
  transition: border-color .15s var(--ease);
}
.cs-op:hover { border-color: var(--line-strong); }
.cs-op.applied { border-color: oklch(var(--c-create) / 0.3); }

.cs-op-head {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-0);
  text-align: left;
  background: transparent;
  border: 0;
}
.cs-op-head:hover { background: var(--bg-hover); }
.cs-op-chev {
  color: var(--text-3);
  transition: transform .2s var(--ease);
  flex-shrink: 0;
}
.cs-op.open .cs-op-chev { transform: rotate(90deg); }

.cs-op-verb {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.cs-op-create-verb {
  color: var(--c-create);
  background: oklch(0.78 0.15 145 / 0.14);
  border: 1px solid oklch(0.78 0.15 145 / 0.3);
}
.cs-op-update-verb {
  color: var(--c-update);
  background: oklch(0.82 0.13 200 / 0.14);
  border: 1px solid oklch(0.82 0.13 200 / 0.3);
}
.cs-op-delete-verb {
  color: var(--c-delete);
  background: oklch(0.7 0.18 25 / 0.14);
  border: 1px solid oklch(0.7 0.18 25 / 0.3);
}
.cs-op-target {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.cs-op-server { color: var(--text-1); }
.cs-op-fn { color: var(--text-0); font-weight: 500; }
.cs-op-arrow { color: var(--text-3); margin: 0 4px; }
.cs-op-table { color: var(--text-2); }

.cs-op-applied {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--c-create);
  background: oklch(0.78 0.15 145 / 0.1);
  border: 1px solid oklch(0.78 0.15 145 / 0.25);
  padding: 1px 7px;
  border-radius: 999px;
}

.cs-op-body {
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.04);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
}
[data-theme="light"] .cs-op-body { background: var(--bg-3); }

.cs-op-fields { display: flex; flex-direction: column; gap: 4px; }
.cs-op-field {
  display: flex;
  gap: 12px;
  padding: 2px 0;
  align-items: flex-start;
}
.cs-op-key {
  color: var(--text-2);
  min-width: 90px;
  flex-shrink: 0;
}
.cs-op-val {
  color: var(--text-0);
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.vp-null { color: var(--text-3); }
.vp-bool { color: oklch(0.78 0.13 65); }
.vp-num { color: oklch(0.78 0.13 65); }
.vp-str { color: oklch(0.55 0.14 145); }
[data-theme="dark"] .vp-str { color: oklch(0.78 0.15 145); }
.vp-key { color: oklch(0.55 0.18 280); }
[data-theme="dark"] .vp-key { color: oklch(0.84 0.07 80); }
.vp-colon, .vp-comma { color: var(--text-2); }
.vp-obj, .vp-arr { color: var(--text-2); }

/* Impact */
.cs-impact {
  margin: 0 16px 14px;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px dashed var(--line);
  border-radius: 8px;
}
.cs-impact-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 6px;
}
.cs-impact-grid {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.cs-impact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text-1);
}
.cs-impact-mono {
  font-family: var(--font-mono);
  color: var(--text-0);
  font-size: 11px;
}
.cs-impact-tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 1px 6px;
  border-radius: 4px;
  background: oklch(0.7 0.18 25 / 0.12);
  color: oklch(0.7 0.18 25);
  border: 1px solid oklch(0.7 0.18 25 / 0.25);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Actions */
.cs-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.cs-actions-done {
  font-size: 12px;
  color: var(--text-2);
  font-family: var(--font-mono);
}
.cs-actions-ok { color: var(--c-create); }

.cs-actor {
  font-size: 11px;
  color: var(--text-2);
  margin-right: 6px;
  font-family: var(--font-mono);
}
.cs-actor b { color: var(--text-0); font-weight: 500; }

.cs-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 12px;
  font-size: 12px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--text-1);
  transition: all .15s var(--ease);
}
.cs-btn:hover {
  background: var(--bg-hover);
  border-color: var(--line-strong);
  color: var(--text-0);
}
.cs-reject:hover { color: var(--c-delete); border-color: oklch(0.7 0.18 25 / 0.4); }
.cs-approve {
  background: var(--c-create);
  color: #04140a;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 0 18px oklch(0.78 0.15 145 / 0.3);
}
.cs-approve:hover {
  background: oklch(0.82 0.16 145);
  color: #04140a;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 0 24px oklch(0.78 0.15 145 / 0.5);
}

.cs-spin {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-top-color: currentColor;
  border-right-color: currentColor;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
.cs-spin-sm { width: 10px; height: 10px; border-width: 1.2px; color: var(--accent); }

/* ─────────────────────────────────────────────────────────────────────────
   Streaming cursor
   ───────────────────────────────────────────────────────────────────────── */

.cursor {
  display: inline-block;
  width: 7px;
  height: 14px;
  vertical-align: -2px;
  background: var(--accent);
  border-radius: 1.5px;
  margin-left: 3px;
  animation: cursor-blink 1s steps(2) infinite;
  box-shadow: 0 0 6px var(--accent-glow);
}
@keyframes cursor-blink {
  to { opacity: 0; }
}

/* ─────────────────────────────────────────────────────────────────────────
   Composer
   ───────────────────────────────────────────────────────────────────────── */

.composer-wrap {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  padding: 0 40px 22px;
  background: linear-gradient(to bottom, transparent, var(--bg-0) 35%);
  z-index: 3;
}
.composer {
  max-width: 840px;
  margin: 0 auto;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--bg-1) 78%, transparent) 0%,
    color-mix(in oklab, var(--bg-0) 70%, transparent) 100%);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--glass-edge);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow-lg), 0 0 70px -30px var(--accent-glow);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  position: relative;
}
.composer:focus-within {
  border-color: var(--accent);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow-lg), 0 0 0 3px var(--accent-soft), 0 0 70px -20px var(--accent-glow);
}
.composer textarea {
  width: 100%;
  display: block;
  resize: none;
  font: 14px/1.6 var(--font-sans);
  letter-spacing: -0.005em;
  background: transparent;
  color: var(--text-0);
  padding: 12px 14px;
  min-height: 60px;
  max-height: 160px;
  border: 0;
  outline: none;
}
.composer textarea::placeholder { color: var(--text-2); }

.composer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 8px 12px;
  border-top: 1px solid var(--line);
}

/* Kbd hints row in composer footer */
.composer-kbd-hints {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 500 11px var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-3);
}
.composer-kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  font: 500 10px var(--font-mono);
  color: var(--text-2);
  background: var(--bg-2);
  margin-right: 4px;
}

.composer .chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 10px;
  font-size: 11.5px;
  color: var(--text-1);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background .15s var(--ease), border-color .15s var(--ease);
}
.composer .chip:hover { border-color: var(--accent); color: var(--text-0); }
.composer .chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text-0);
}
.composer .ico-btn {
  width: 28px; height: 28px;
  border-radius: 7px;
  display: grid; place-items: center;
  color: var(--text-2);
  transition: background .12s var(--ease), color .12s var(--ease);
}
.composer .ico-btn:hover { background: var(--bg-hover); color: var(--text-0); }
.composer .send {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 14px;
  border-radius: 8px;
  border: 0;
  background: var(--accent);
  color: var(--on-accent, var(--bg-0));
  font: 600 12.5px var(--font-sans);
  cursor: pointer;
  box-shadow: 0 0 24px var(--accent-glow);
  transition: transform .12s var(--ease), box-shadow .15s var(--ease);
}
.composer .send:hover { transform: translateY(-1px); box-shadow: 0 0 32px var(--accent-glow); }
.composer .send:disabled {
  background: var(--bg-3);
  color: var(--text-3);
  box-shadow: none;
  cursor: not-allowed;
}

.composer-hint {
  margin-top: 8px;
  text-align: center;
  font-size: 10.5px;
  color: var(--text-3);
  font-family: var(--font-mono);
}
.composer-hint b { color: var(--text-2); font-weight: 500; }

/* Composer suggestion chips */
.composer-suggest {
  max-width: 840px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.suggest-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-edge);
  background: var(--bg-1);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  font: 500 12px var(--font-sans);
  letter-spacing: -0.005em;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s var(--ease);
  box-shadow: var(--shadow);
}
.suggest-chip:hover {
  border-color: var(--accent);
  color: var(--text-0);
}

/* ─────────────────────────────────────────────────────────────────────────
   Misc
   ───────────────────────────────────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--glass-2);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border: 1px solid var(--glass-edge);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-0);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  animation: toast-in .25s var(--ease);
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Phase 25.23 smoke #4: warning/error toast — top-center, white-card
   background, orange dot indicator, normal text color. Visually a
   "notice" rather than a red alarm. Used by all error catch branches
   in workspace/session handlers via showToast(text, "error"). */
.toast.toast-error {
  top: 24px;
  bottom: auto;
  background: var(--glass-1);
  border-color: oklch(0.74 0.16 60 / 0.45);
  color: var(--text-1);
  animation: toast-in-top .25s var(--ease);
}
.toast .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: oklch(0.74 0.20 60);
  box-shadow: 0 0 10px oklch(0.78 0.22 60 / 0.55);
  flex-shrink: 0;
}
@keyframes toast-in-top {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
.toast .check {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: oklch(0.78 0.15 145);
  display: grid; place-items: center;
  color: var(--bg-0);
}

/* Banner — login / error / info notice */
.banner {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid oklch(0.78 0.16 65 / 0.35);
  background: oklch(0.78 0.16 65 / 0.10);
  color: var(--text-1);
  font-size: 12.5px;
  gap: 6px;
}
.banner.info {
  border-color: var(--accent-glow);
  background: var(--accent-soft);
  color: var(--text-0);
}

.stream-in {
  animation: stream-in .25s var(--ease);
}
@keyframes stream-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────────────────────
   Internal fetch card — Phase 25.11 fetch_full_result collapsible card
   (self-contained header+body under one .internal-fetch-card container;
    CSS descendant selector toggles body visibility reliably)
   ───────────────────────────────────────────────────────────────────────── */

.internal-fetch-card {
  margin: 6px 0 6px 20px;
  border: 1px dashed #bbb;
  border-radius: 6px;
  background: #f9f9f9;
  font-size: 11px;
  overflow: hidden;
}
[data-theme="dark"] .internal-fetch-card {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.15);
}
.internal-fetch-card-header {
  padding: 4px 10px;
  cursor: pointer;
  color: #666;
  user-select: none;
}
[data-theme="dark"] .internal-fetch-card-header {
  color: var(--text-2);
}
.internal-fetch-card-header:hover { background: #f0f0f0; }
[data-theme="dark"] .internal-fetch-card-header:hover { background: var(--bg-hover); }
.internal-fetch-card-chevron {
  display: inline-block;
  margin-right: 6px;
  transition: transform 0.15s;
}
.internal-fetch-card[data-expanded="true"] .internal-fetch-card-chevron {
  transform: rotate(90deg);
}
.internal-fetch-card-body {
  display: none;
  padding: 6px 10px;
  border-top: 1px solid #ddd;
  font-family: 'JetBrains Mono', Consolas, monospace;
  color: #666;
  white-space: pre-wrap;
}
[data-theme="dark"] .internal-fetch-card-body {
  border-top-color: var(--line);
  color: var(--text-2);
}
.internal-fetch-card[data-expanded="true"] .internal-fetch-card-body {
  display: block;
}

/* Phase 25.18: "正在响应…" waiting indicator */
.waiting-dots { display: inline-flex; align-items: center; gap: 2px; color: var(--text-2); }
.waiting-dots i {
  width: 4px; height: 4px; border-radius: 50%; background: var(--text-3);
  display: inline-block; animation: stele-blink 1.2s infinite ease-in-out;
}
.waiting-dots i:nth-child(3) { animation-delay: .2s; }
.waiting-dots i:nth-child(4) { animation-delay: .4s; }
@keyframes stele-blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

/* ─────────────────────────────────────────────────────────────────────────
   Phase 25.20 T1 — stl-* design-system primitives (ported from prototype tokens.css)
   ─────────────────────────────────────────────────────────────────────────
   Token mapping: --text-2 ← --fg-dim; --bg-1/2/3 ← --surface/surface-2/3;
   --line ← --border; --line-strong ← --border-strong; existing names kept.
   ───────────────────────────────────────────────────────────────────────── */

/* Decorative dot-grid background */
.stl-grid-dots {
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: 0 0;
}

/* Scanline overlay */
.stl-scan {
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(255,255,255,0.015) 3px,
    rgba(255,255,255,0.015) 4px
  );
}
[data-theme="light"] .stl-scan {
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(28,22,12,0.018) 3px,
    rgba(28,22,12,0.018) 4px
  );
}

/* Glass light-reflection edge */
.stl-glass-shine {
  position: relative;
}
.stl-glass-shine::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg,
    var(--shine-1) 0%,
    var(--shine-2) 18%,
    transparent 40%,
    transparent 80%,
    var(--shine-2) 100%);
  mix-blend-mode: screen;
  opacity: 0.7;
}

/* Status pulse */
@keyframes stl-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.9); }
}
.stl-pulse {
  animation: stl-pulse 2.2s ease-in-out infinite;
}

/* Caret blink */
@keyframes stl-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.stl-blink { animation: stl-blink 1.1s steps(1) infinite; }

/* Label — mono uppercase */
.stl-label {
  font: 500 11px/1.2 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}

/* Tag chip */
.stl-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font: 500 11px var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-1);
  background: var(--bg-1);
}

/* Logo mark — octagon clip-path accent square */
.stl-mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  background: var(--accent);
  color: var(--on-accent);
  font: 600 14px var(--font-mono);
  letter-spacing: 0;
  border-radius: 4px;
  clip-path: polygon(
    8px 0, calc(100% - 0) 0, 100% 8px, 100% 100%,
    100% 100%, 8px 100%, 0 calc(100% - 8px), 0 8px
  );
  box-shadow: 0 0 0 1px rgba(0,0,0,0.5) inset, 0 0 22px var(--accent-glow);
}

/* ─────────────────────────────────────────────────────────────────────────
   Inspector right rail (Phase 25.20 T5)
   Glass panel; pure-derived data only (agent/MCP/tools/usage this session).
   NEW .inspector* classes — isolated from .convo/.thread/.msg-* selectors.
   ───────────────────────────────────────────────────────────────────────── */

.inspector {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
  border-left: 1px solid var(--line);
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--bg-2) 70%, transparent) 0%,
    color-mix(in oklab, var(--bg-0) 55%, transparent) 100%
  );
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  padding: 0 0 24px;
}

.inspector-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
  background: inherit;
  backdrop-filter: inherit;
  -webkit-backdrop-filter: inherit;
}

.inspector-head-title {
  color: var(--accent);
  letter-spacing: 0.12em;
}

.inspector-close {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--text-2);
  transition: background .12s var(--ease), color .12s var(--ease);
}
.inspector-close:hover {
  background: var(--bg-hover);
  color: var(--text-0);
}

.inspector-block {
  padding: 14px 16px 4px;
  border-bottom: 1px solid var(--line);
}
.inspector-block:last-child {
  border-bottom: 0;
}

.inspector-block-head {
  margin-bottom: 8px;
  color: var(--text-3);
  letter-spacing: 0.1em;
}

.inspector-kv {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
  font-size: 12.5px;
}

.inspector-kv-key {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  flex-shrink: 0;
}

.inspector-kv-val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-1);
  text-align: right;
}

.inspector-status-dot {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.inspector-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.inspector-server-name {
  color: var(--accent);
  font-size: 12px;
}

.inspector-tool-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
  gap: 8px;
}

.inspector-tool-name {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.inspector-tool-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  flex-shrink: 0;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 6px;
  font-variant-numeric: tabular-nums;
}

.inspector-empty {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  padding: 4px 0 8px;
  font-style: italic;
}

/* Phase 25.22: search highlight + content-snippet preview row */
.sb-item-snippet {
  font: 500 11px var(--font-mono);
  color: var(--text-2);
  background: var(--bg-1);
  padding: 4px 6px;
  border-radius: 4px;
  margin-top: 2px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sb-snippet-role {
  color: var(--text-3);
  font-weight: 600;
}
.sb-hi {
  background: color-mix(in oklch, var(--accent) 25%, transparent);
  color: var(--text-0);
  border-radius: 2px;
  padding: 0 1px;
}

/* Phase 25.23: workspace dropdown */
.tb-ws-chip {
  background: none;
  border: none;
  color: var(--text-1);
  font: inherit;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tb-ws-chip:hover { background: var(--bg-hover); }
.ws-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 240px;
  z-index: 50;
}
/* Phase 25.26: model picker dropdown — anchored BELOW the topbar chip, right-
   aligned (the chip sits in the right-side tb-actions, so right:0 keeps the
   menu on-screen). Without this it inherits bare .menu (absolute, no offsets)
   and renders overlapping the chip. */
.model-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 240px;
  z-index: 50;
}
.model-dropdown .ws-row-name { white-space: nowrap; }
.ws-dropdown-sep {
  height: 1px;
  background: var(--line);
  margin: 4px 0;
}
.ws-dropdown-create {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  color: var(--text-2);
  font-size: 12.5px;
}
.ws-dropdown-create:hover { background: var(--bg-hover); color: var(--text-1); }
.ws-row {
  position: relative;
  display: flex;
  align-items: center;
  padding: 6px 12px;
  cursor: pointer;
}
.ws-row:hover { background: var(--bg-hover); }
.ws-row.active .ws-row-name { font-weight: 600; }
.ws-row-tick {
  width: 14px;
  display: inline-block;
  color: var(--text-2);
  font-size: 10px;
}
.ws-row.active .ws-row-tick { color: var(--accent); }
.ws-row-body {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.ws-row-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-3);
  color: var(--text-2);
}
.ws-row-check { color: var(--accent); font-weight: 600; }
.ws-row-rename-input {
  flex: 1;
  border: 1px solid var(--accent);
  background: var(--bg-1);
  color: var(--text-1);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12.5px;
}
.ws-row-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  width: 18px;
  height: 18px;
  display: none;
  align-items: center;
  justify-content: center;
}
.ws-row:hover .ws-row-menu-btn { display: flex; }
.ws-row-menu {
  position: absolute;
  right: 6px;
  top: 28px;
  min-width: 100px;
  z-index: 51;
}

/* Phase 25.23: session move submenu */
.sb-move-submenu-wrap { position: relative; }
.menu-item-with-submenu {
  display: flex;
  align-items: center;
  width: 100%;
}
.sb-move-submenu {
  position: absolute;
  left: 100%;
  top: 0;
  min-width: 160px;
  z-index: 52;
}

/* Phase 25.28 — workspace context manager */
.ctx-page { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.ctx-head { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.ctx-title { font-weight: 600; color: var(--text-1); }
.ctx-head-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.ctx-loading { padding: 32px; color: var(--text-2); }
.ctx-body { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 16px; overflow: auto; min-height: 0; }
.ctx-seg { margin-bottom: 16px; }
.ctx-seg-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; font-size: 12.5px; color: var(--text-2); }
.ctx-seg-actions { display: flex; gap: 8px; align-items: center; }
.ctx-upload { cursor: pointer; font-size: 12px; color: var(--accent); }
.ctx-textarea { width: 100%; min-height: 96px; resize: vertical; background: var(--surface-1); color: var(--text-1);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; }
.ctx-textarea:disabled { opacity: 0.55; }
.ctx-locked { font-size: 12px; color: var(--text-2); }
.ctx-locked pre, .ctx-preview pre { white-space: pre-wrap; background: var(--surface-1); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px; font-size: 12px; color: var(--text-1); max-height: 60vh; overflow: auto; }
.ctx-preview-label { font-size: 12px; color: var(--text-2); margin-bottom: 6px; }

/* Phase 28 — per-user memory manager */
.memory-manager { display: flex; flex-direction: column; height: 100%; min-height: 0; padding: 16px; overflow: auto; }
.mm-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.mm-head h2 { margin: 0; font-size: 16px; font-weight: 600; color: var(--text-1); }
.mm-add { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; }
.mm-input { flex: 1; background: var(--surface-1); color: var(--text-1); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; font: inherit; min-width: 0; }
.mm-list { list-style: none; margin: 0; padding: 0; }
.mm-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.mm-text { flex: 1; color: var(--text-1); word-break: break-word; }
.mm-tag { font-size: 11px; color: var(--text-2); opacity: 0.75; border: 1px solid var(--line);
  border-radius: 4px; padding: 1px 5px; white-space: nowrap; }
.mm-time { font-size: 11px; color: var(--text-2); white-space: nowrap; }
.mm-empty { text-align: center; color: var(--text-2); opacity: 0.7; margin-top: 32px; }

/* ─────────────────────────────────────────────────────────────────────────
   Phase 31: two-stage responsive layout.
   Stage 1 = minmax shrink (grid edits above at .app). Stage 2 = breakpoint
   collapse below — inspector (≤1280) and sidebar (≤1024) leave the grid and
   come back as fixed overlays; masks mirror .confirm-overlay (z 300), layered
   at 190/200 above dropdowns (50-60).
   ───────────────────────────────────────────────────────────────────────── */

.tb-hamburger { display: none; }
.layer-mask { display: none; }

@media (max-width: 1280px) {
  .app.has-inspector {
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  }
  .inspector {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 340px;
    z-index: 200;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.35);
  }
  .layer-mask.for-inspector {
    display: block;
    position: fixed; inset: 0;
    z-index: 190;
    background: rgba(0, 0, 0, 0.4);
  }
}

@media (max-width: 1024px) {
  .app, .app.has-inspector {
    grid-template-columns: minmax(0, 1fr);
  }
  .sidebar { display: none; }
  .tb-hamburger { display: inline-flex; }
  .app.sb-overlay .sidebar {
    display: flex;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    z-index: 200;
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.35);
  }
  .layer-mask.for-sidebar {
    display: block;
    position: fixed; inset: 0;
    z-index: 190;
    background: rgba(0, 0, 0, 0.4);
  }
}

/* Phase 31 fix-forward #1: topbar narrow-width hygiene (smoke: ws-chip text
   stacked vertically, bare truncation, chips crowding the icon group).
   Typography: nowrap everywhere in the bar; .tb-title (already ellipsised)
   is the designated squeeze absorber. Selective display ≤1280: stats chip,
   MCP chip, "workspace /" prefix and the 导出 text label step back —
   ws-chip, session title, model picker and icon actions stay. */
.tb-divider { width: 1px; height: 18px; background: var(--line); margin: 0 6px; flex-shrink: 0; }
.topbar { flex-wrap: nowrap; }
/* NO overflow:hidden here — the WorkspaceDropdown is an absolutely-positioned
   DESCENDANT of the breadcrumb and an ancestor overflow clip makes the open
   menu invisible (post-32 fix-forward; squeeze is absorbed by .tb-title's own
   ellipsis + the ≤1280 tier, not by clipping). */
.tb-breadcrumb { white-space: nowrap; }
.tb-ws-chip { white-space: nowrap; flex-shrink: 0; }
.tb-model { white-space: nowrap; }
.tb-model-chip { white-space: nowrap; max-width: 200px; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 1280px) {
  .tb-meta,
  .tb-mcp,
  .tb-bread-dim,
  .tb-bread-dim + .tb-bread-sep,
  .tb-btn-label { display: none; }
  .tb-title { max-width: 180px; }
  .tb-model-chip { max-width: 130px; }
  .topbar { padding: 12px 14px; gap: 8px; }
  .tb-left-group { gap: 8px; }
}