/* ============================================================
   LIQUID GLASS — Apple-style material system
   Layers: wallpaper → materials (thin/regular/thick) → accents
   Layout authority: app.css (except new components owned here)
   ============================================================ */

:root {
  --bg: #07070c;
  --panel: rgba(165, 180, 255, 0.07);
  --panel2: rgba(190, 205, 255, 0.12);
  --panel3: rgba(210, 220, 255, 0.18);
  --line: rgba(255, 255, 255, 0.13);
  --acc1: #8b9aff;
  --acc2: #5b66f2;
  --grad: linear-gradient(135deg, #97a6ff, #6770f5);
  --good: #58e6a8;
  --warn: #ffc575;
  --bad: #ff7490;
  --tx: #f3f5ff;
  --dim: #a4acc9;
  --blur: blur(20px) saturate(160%);
  /* materials */
  --glass-thin: rgba(16, 20, 36, 0.42);
  --glass-reg: rgba(14, 17, 32, 0.58);
  --glass-thick: rgba(12, 15, 28, 0.74);
  --glass-line: rgba(255, 255, 255, 0.14);
  --glass-edge: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  --sidebar-w: 280px;
  --insp-w: 300px;
  --spring: cubic-bezier(.32, .72, .24, 1);
}

/* ── Wallpaper: drifting mesh gradients ── */
html {
  background:
    radial-gradient(115% 90% at 10% 0%, rgba(90, 100, 255, 0.30), transparent 55%),
    radial-gradient(110% 100% at 90% 18%, rgba(190, 90, 255, 0.20), transparent 60%),
    radial-gradient(130% 120% at 50% 100%, rgba(60, 200, 255, 0.15), transparent 60%),
    #07070c;
}
body { background: transparent; }
body::before {
  content: "";
  position: fixed; inset: -20%;
  pointer-events: none; z-index: 0;
  background:
    radial-gradient(40% 35% at 25% 30%, rgba(124, 92, 255, 0.10), transparent 70%),
    radial-gradient(35% 30% at 75% 65%, rgba(0, 180, 255, 0.08), transparent 70%);
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to { transform: translate3d(2%, 2%, 0) scale(1.06); }
}
::selection { background: rgba(139, 154, 255, 0.35); }
#input, textarea { caret-color: var(--acc1); }
[hidden] { display: none !important; }

/* ── Materials ── */
.mat-thin {
  background: var(--glass-thin);
  border: 1px solid var(--glass-line);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-edge), 0 4px 16px rgba(0, 0, 0, 0.18);
}
.mat-reg {
  background: var(--glass-reg);
  border: 1px solid var(--glass-line);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-edge), 0 8px 24px rgba(0, 0, 0, 0.26);
  color: var(--tx);
}
.mat-thick {
  background: var(--glass-thick);
  border: 1px solid var(--glass-line);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-edge), 0 16px 48px rgba(0, 0, 0, 0.38);
  color: var(--tx);
}

/* chrome → regular material */
#topbar, #drawer, .sheet, .modal, #composer, #emptyState,
#hfBar, #healthBar, #offlineBar, #authHint, #interimOverlay, .toast, #inspector {
  background: var(--glass-reg);
  border: 1px solid var(--glass-line);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-edge), 0 8px 24px rgba(0, 0, 0, 0.26);
  color: var(--tx);
}
#topbar { border-radius: 0 0 18px 18px; }
#drawer { border-radius: 0 18px 18px 0; background: rgba(12, 15, 28, 0.66); }
#healthBar, #offlineBar, #authHint { border-radius: 12px; }
#interimOverlay { border-radius: 12px; }
.toast { border-radius: 14px; }
.sheet { background: rgba(13, 16, 30, 0.82); }
.modal { background: rgba(13, 16, 30, 0.9); }
#todoPanel button { border-radius: 10px; border-style: dashed; background: var(--glass-thin); border-color: var(--glass-line); color: var(--tx); }

/* specular sheen sweep on hover/active for primary surfaces */
.grad-btn, #sendBtn, .mode-chip.on, .eff-chip.on, .achip.on { position: relative; overflow: hidden; }
.grad-btn::after, #sendBtn::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.35) 48%, transparent 62%);
  transform: translateX(-120%);
  transition: transform .6s var(--spring);
  pointer-events: none;
}
.grad-btn:active::after, #sendBtn:active::after { transform: translateX(120%); }

/* ── Message cards ── */
.msg.assistant .card {
  background: rgba(140, 160, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 4px 16px rgba(0, 0, 0, 0.18);
}
.msg.user .bubble {
  background: rgba(130, 150, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px 18px 6px 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 4px 14px rgba(0, 0, 0, 0.22);
}
.msg-time { display: block; font-size: 10px; color: var(--dim); letter-spacing: .06em; margin-top: 3px; padding: 0 4px; }
.msg.user .msg-time { text-align: right; }
.msg-metrics { display: flex; flex-wrap: wrap; gap: 3px 10px; font-size: 10.5px; color: var(--dim); padding: 4px 6px 0; font-variant-numeric: tabular-nums; }
.msg-metrics b { color: var(--acc1); font-weight: 600; }
.msg-metrics i { color: var(--good); font-style: normal; opacity: .85; }
.msg-metrics .mx-cache { color: var(--warn); }

/* ── Buttons & chips ── */
.icon-btn, .ghost-btn, .mini-btn, .tb-chip, .achip, .tab {
  background: rgba(190, 205, 255, 0.09);
  border: 1px solid var(--glass-line);
  border-radius: 12px;
  color: var(--tx);
}
.icon-btn { border-radius: 10px; }
.achip, .tb-chip { border-radius: 999px; }
.eff-chip, .mode-chip {
  min-height: 32px; padding: 0 14px;
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--dim);
  background: rgba(190, 205, 255, 0.07);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  touch-action: manipulation; flex-shrink: 0;
}
.mode-chip { min-height: 34px; padding: 0 16px; }
.eff-chip.on, .mode-chip.on, .achip.on {
  background: var(--grad); border: none; color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 4px 14px rgba(102, 111, 245, 0.4);
}
.grad-btn, #sendBtn {
  background: var(--grad); border: none; border-radius: 14px; color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 6px 18px rgba(102, 111, 245, 0.35);
}
.grad-btn:hover, #sendBtn:hover { filter: brightness(1.06); }
#micBtn {
  background: rgba(190, 205, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px; color: var(--tx);
}
#micBtn.listening { border-color: var(--bad); box-shadow: 0 0 16px rgba(255, 116, 144, 0.35); }
#micBtn.stt-busy { border-color: var(--warn); }

/* mode/effort rows */
#modeRow, #effortRow { display: flex; align-items: center; gap: 8px; padding: 6px 4px 0; overflow-x: auto; scrollbar-width: none; }
#modeRow::-webkit-scrollbar, #effortRow::-webkit-scrollbar { display: none; }
.eff-tag { color: var(--dim); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; flex-shrink: 0; }
@media (max-width: 480px) {
  .mode-chip { min-height: 30px; padding: 0 12px; }
  .eff-chip { min-height: 28px; padding: 0 10px; }
  #modeRow, #effortRow { padding-top: 4px; gap: 6px; }
}

/* tool chips + code */
.tool-chip { background: rgba(190, 205, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.11); border-radius: 10px; }
.codeblock { background: rgba(4, 7, 18, 0.6); border: 1px solid rgba(255, 255, 255, 0.10); border-radius: 12px; }
.md code { background: rgba(139, 154, 255, 0.14); border-radius: 6px; }
.md a { color: var(--acc1); }

/* status dots (runtime classes: .green/.amber/.red, .st-*, .active) */
.dot { box-shadow: 0 0 8px rgba(139, 154, 255, 0.5); }
.dot.green { box-shadow: 0 0 8px rgba(88, 230, 168, 0.6); }
.dot.amber { box-shadow: 0 0 8px rgba(255, 197, 117, 0.6); }
.dot.red { box-shadow: 0 0 8px rgba(255, 116, 144, 0.6); }
.tdot.st-running { background: var(--acc1); box-shadow: 0 0 8px rgba(139, 154, 255, 0.6); }
.tdot.st-completed { background: var(--good); }
.tdot.st-error { background: var(--bad); }
.tdot.st-pending { background: var(--warn); }
.tdot2.completed { background: var(--good); }
.tdot2.in_progress { background: var(--acc1); }
.tdot2.pending { background: var(--warn); }
.tdot2.cancelled { background: rgba(164, 172, 201, 0.4); }

/* session/model rows (runtime class: .active / .cur) */
.srow, .mrow { background: rgba(190, 205, 255, 0.05); border: 1px solid transparent; border-radius: 12px; }
.srow.active, .srow.cur, .mrow.cur { background: rgba(139, 154, 255, 0.14); border-color: rgba(255, 255, 255, 0.16); }

.qcard, .qopt { background: rgba(190, 205, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.11); border-radius: 12px; }

/* ── Activity chip ── */
#activityChip {
  display: flex; align-items: center; gap: 8px;
  margin: 6px 14px 0; padding: 5px 12px 5px 10px;
  width: max-content; max-width: 92vw;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  border-radius: 999px;
  background: var(--glass-reg); border: 1px solid var(--glass-line);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  color: var(--tx);
  box-shadow: var(--glass-edge), 0 6px 18px rgba(0, 0, 0, 0.22);
}
#activityChip .adot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--acc1); box-shadow: 0 0 8px var(--acc1);
  animation: actPulse 1.1s ease-in-out infinite; flex-shrink: 0;
}
#activityChip #actTool { color: var(--dim); font-weight: 400; max-width: 56vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#activityChip #actTok { margin-left: 4px; padding-left: 8px; border-left: 1px solid rgba(255, 255, 255, 0.15); color: var(--acc1); font-variant-numeric: tabular-nums; white-space: nowrap; }
#activityChip.a-building .adot { background: var(--good); box-shadow: 0 0 8px var(--good); }
#activityChip.a-planning .adot { background: #c58bff; box-shadow: 0 0 8px #c58bff; }
#activityChip.a-waiting .adot { background: var(--warn); box-shadow: 0 0 8px var(--warn); animation-duration: 2s; }
#activityChip.a-retrying .adot { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
@keyframes actPulse { 0%, 100% { transform: scale(0.8); opacity: 0.6; } 50% { transform: scale(1.15); opacity: 1; } }

/* ── Subagent chips ── */
.subagent-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; margin: 4px 0; border-radius: 12px;
  font-size: 12px; color: var(--tx);
  background: rgba(160, 120, 255, 0.10);
  border: 1px solid rgba(180, 140, 255, 0.25);
}
.subagent-chip .sa-ic { color: #c58bff; font-size: 14px; }
.subagent-chip.subtask { display: block; }
.subagent-chip .sa-body { display: flex; flex-direction: column; gap: 2px; }
.subagent-chip .sa-body b { color: #c58bff; font-size: 11.5px; }
.subagent-chip .sa-body span { color: var(--dim); font-size: 11px; }

/* empty state orb */
.orb {
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.9), rgba(140, 160, 255, 0.55) 40%, transparent 72%);
  box-shadow: 0 0 50px rgba(122, 141, 255, 0.3), inset 0 0 32px rgba(255, 255, 255, 0.22);
}

/* ── Inspector panel ── */
#inspector {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(88vw, var(--insp-w)); z-index: 75;
  display: flex; flex-direction: column; gap: 0;
  border-radius: 18px 0 0 18px;
  padding: calc(14px + env(safe-area-inset-top)) 14px calc(14px + env(safe-area-inset-bottom));
  transform: translateX(108%);
  transition: transform .42s var(--spring);
}
#inspector.open { transform: translateX(0); }
.insp-head { display: flex; align-items: center; justify-content: space-between; padding: 2px 4px 10px; }
.insp-title { font-size: 16px; font-weight: 700; letter-spacing: .02em; }
.insp-body { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; display: flex; flex-direction: column; gap: 14px; }
.insp-sec h4 {
  font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--dim); margin-bottom: 8px;
}
.insp-kv { display: flex; flex-direction: column; gap: 6px; }
.kv-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  font-size: 13px; padding: 7px 10px;
  background: rgba(190, 205, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}
.kv-row span { color: var(--dim); }
.kv-row b { font-weight: 650; color: var(--tx); font-variant-numeric: tabular-nums; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60%; }
.insp-files { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.insp-file {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px;
  background: rgba(190, 205, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}
.if-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.if-name { font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.if-meta { font-size: 10.5px; color: var(--dim); }
.if-actions { display: flex; gap: 6px; flex: none; }
.if-del { color: var(--bad); }
.insp-empty { color: var(--dim); font-size: 12.5px; text-align: center; padding: 14px 0; }
#inspUpload { margin-top: 2px; }

/* thin scrollbars (runtime scroller is #chat) */
#chat::-webkit-scrollbar, .sheet-body::-webkit-scrollbar, #sessList::-webkit-scrollbar, .insp-body::-webkit-scrollbar { width: 4px; }
#chat::-webkit-scrollbar-thumb, .sheet-body::-webkit-scrollbar-thumb, #sessList::-webkit-scrollbar-thumb, .insp-body::-webkit-scrollbar-thumb {
  background: rgba(190, 205, 255, 0.2); border-radius: 4px;
}

/* ── Desktop workspace: sidebar + inspector columns ── */
@media (min-width: 900px) {
  #drawer {
    transform: none !important;
    top: calc(var(--tb-h, 52px) + 8px);
    bottom: 8px; left: 8px;
    width: var(--sidebar-w); max-width: var(--sidebar-w);
    border-radius: 18px;
  }
  #scrim { display: none !important; }
  #drawer .icon-btn[aria-label="Close"] { display: none; }
  #topbar, #activityChip, #tabStrip, #healthBar, #offlineBar, #authHint, #chatwrap, #composerWrap {
    margin-left: calc(var(--sidebar-w) + 8px);
  }
  .msg { max-width: 82%; }
}
@media (min-width: 1240px) {
  #inspector {
    transform: none;
    top: calc(var(--tb-h, 52px) + 8px);
    bottom: 8px; right: 8px;
    width: var(--insp-w);
    border-radius: 18px;
  }
  #inspector .insp-head .icon-btn { display: none; }
  #topbar, #activityChip, #tabStrip, #healthBar, #offlineBar, #authHint, #chatwrap, #composerWrap {
    margin-right: calc(var(--insp-w) + 8px);
  }
  #chatwrap { padding-right: min(4vw, 48px); }
}

/* ── Accessibility ── */
@media (prefers-reduced-transparency: reduce) {
  #topbar, #drawer, .sheet, .modal, #composer, #inspector, .toast, #activityChip {
    backdrop-filter: none; -webkit-backdrop-filter: none;
    background: rgba(13, 16, 30, 0.96);
  }
}
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  #activityChip .adot { animation: none; }
  .grad-btn::after, #sendBtn::after { display: none; }
}