/* ===========================================================================
   LearnLoop studio, design system v2 "Neon Night"
   Dark-first, vibrant accents, gradient brand. No build step, no CDN.
   =========================================================================== */

:root, [data-theme="dark"] {
  --bg:        #0a0c14;
  --bg-glow:   radial-gradient(1200px 700px at 85% -10%, rgba(124,58,237,.18), transparent 60%),
               radial-gradient(900px 600px at -10% 110%, rgba(6,182,212,.14), transparent 55%);
  --panel:     #12141f;
  --panel-2:   #171a28;
  --panel-3:   #202437;
  --ink:       #eef0fb;
  --ink-soft:  #a9aec4;
  --ink-faint: #6f7590;
  --line:      #262b40;
  --line-soft: #1e2233;
  --brand:     #8b5cf6;
  --brand-2:   #06b6d4;
  --brand-ink: #b39dfc;
  --brand-grad: linear-gradient(120deg, #a855f7, #6366f1 55%, #06b6d4);
  --good:      #34d399;
  --bad:       #fb7185;
  --warn:      #fbbf24;
  --shadow:    0 1px 2px rgba(0,0,0,.35), 0 10px 30px rgba(0,0,0,.35);
  --shadow-lg: 0 16px 50px rgba(0,0,0,.55);
  --radius:    14px;
  --radius-sm: 9px;
  --mono: "JetBrains Mono","Cascadia Code","SF Mono",Consolas,"Liberation Mono",monospace;
  --sans: system-ui,"Segoe UI",Roboto,-apple-system,Helvetica,Arial,sans-serif;

  /* agent accents, vibrant on dark */
  --c-coordinator: #818cf8;
  --c-critic:      #fb7185;
  --c-planner:     #34d399;
  --c-motivator:   #fbbf24;
  --c-debugger:    #c084fc;
  --c-solver:      #38bdf8;
  --c-tutor:       #a78bfa;
}

[data-theme="light"] {
  --bg:        #f1f2f8;
  --bg-glow:   radial-gradient(1200px 700px at 85% -10%, rgba(124,58,237,.08), transparent 60%),
               radial-gradient(900px 600px at -10% 110%, rgba(6,182,212,.07), transparent 55%);
  --panel:     #ffffff;
  --panel-2:   #f7f8fc;
  --panel-3:   #eceef6;
  --ink:       #171927;
  --ink-soft:  #5b6070;
  --ink-faint: #8a8fa0;
  --line:      #e2e4ee;
  --line-soft: #ecedf5;
  --brand:     #7c3aed;
  --brand-2:   #0891b2;
  --brand-ink: #6d28d9;
  --good:      #0f9d6f;
  --bad:       #e0444b;
  --warn:      #d97706;
  --shadow:    0 1px 2px rgba(20,22,30,.04), 0 8px 24px rgba(20,22,30,.06);
  --shadow-lg: 0 12px 40px rgba(20,22,30,.16);
  --c-coordinator: #6366f1;
  --c-critic:      #e11d48;
  --c-planner:     #059669;
  --c-motivator:   #d97706;
  --c-debugger:    #9333ea;
  --c-solver:      #0284c7;
  --c-tutor:       #7c3aed;
}

/* ---- Custom themes (Settings → Appearance). Each inherits the dark base and
   re-tints the surfaces + brand; agent accents stay readable. ---- */
[data-theme="anime"] {          /* Anime Sakura, cherry-blossom night */
  --bg:        #170f18;
  --bg-glow:   radial-gradient(1200px 700px at 85% -10%, rgba(255,121,176,.22), transparent 60%),
               radial-gradient(900px 600px at -10% 110%, rgba(255,209,102,.12), transparent 55%);
  --panel:     #241a26;
  --panel-2:   #2b1f2e;
  --panel-3:   #382a3c;
  --ink:       #fdeef6;
  --ink-soft:  #d3b3c6;
  --ink-faint: #96718a;
  --line:      #43303f;
  --line-soft: #382a38;
  --brand:     #ff79b0;
  --brand-2:   #ffd166;
  --brand-ink: #ff9cc4;
  --brand-grad: linear-gradient(120deg, #ff79b0, #ff5c8a 55%, #ffd166);
}
[data-theme="pandas"] {         /* Little Pandas, bamboo & fur */
  --bg:        #10160f;
  --bg-glow:   radial-gradient(1200px 700px at 85% -10%, rgba(122,199,79,.16), transparent 60%),
               radial-gradient(900px 600px at -10% 110%, rgba(244,241,232,.06), transparent 55%);
  --panel:     #1c241c;
  --panel-2:   #222b21;
  --panel-3:   #2c372b;
  --ink:       #f4f1e8;
  --ink-soft:  #bcc5b4;
  --ink-faint: #7f8a78;
  --line:      #35402f;
  --line-soft: #2b342a;
  --brand:     #7ac74f;
  --brand-2:   #f4f1e8;
  --brand-ink: #a3dd82;
  --brand-grad: linear-gradient(120deg, #7ac74f, #4f9d3a 55%, #d9e8c5);
}
[data-theme="avengers"] {       /* Avengers, red, gold, vibranium navy */
  --bg:        #0b0e16;
  --bg-glow:   radial-gradient(1200px 700px at 85% -10%, rgba(226,54,54,.18), transparent 60%),
               radial-gradient(900px 600px at -10% 110%, rgba(240,179,35,.12), transparent 55%);
  --panel:     #141821;
  --panel-2:   #191e2a;
  --panel-3:   #232a3a;
  --ink:       #f2f4fb;
  --ink-soft:  #aeb6c9;
  --ink-faint: #737c93;
  --line:      #2a3145;
  --line-soft: #202638;
  --brand:     #e23636;
  --brand-2:   #f0b323;
  --brand-ink: #ff6b6b;
  --brand-grad: linear-gradient(120deg, #e23636, #b11313 55%, #f0b323);
}
[data-theme="snitch"] {         /* Golden Snitch, gold on deep pitch green */
  --bg:        #0e130f;
  --bg-glow:   radial-gradient(1200px 700px at 85% -10%, rgba(212,175,55,.16), transparent 60%),
               radial-gradient(900px 600px at -10% 110%, rgba(42,98,61,.20), transparent 55%);
  --panel:     #17201a;
  --panel-2:   #1c2820;
  --panel-3:   #263528;
  --ink:       #f4efdd;
  --ink-soft:  #c4bd9f;
  --ink-faint: #857f65;
  --line:      #32402f;
  --line-soft: #273327;
  --brand:     #d4af37;
  --brand-2:   #2a623d;
  --brand-ink: #e5c968;
  --brand-grad: linear-gradient(120deg, #d4af37, #a8861f 55%, #2a623d);
}

/* ---- Themed background artwork (original motifs, tiled behind the glow).
   Kept low-alpha so text stays readable; base dark/light themes have none. ---- */
[data-theme="anime"] {
  --theme-art-size: 340px;
  --theme-art: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='340' height='340' viewBox='0 0 340 340'><defs><g id='bl'><ellipse cx='0' cy='-15' rx='6' ry='13'/><ellipse cx='0' cy='-15' rx='6' ry='13' transform='rotate(72)'/><ellipse cx='0' cy='-15' rx='6' ry='13' transform='rotate(144)'/><ellipse cx='0' cy='-15' rx='6' ry='13' transform='rotate(216)'/><ellipse cx='0' cy='-15' rx='6' ry='13' transform='rotate(288)'/></g></defs><g fill='%23ff79b0' fill-opacity='0.11'><use href='%23bl' transform='translate(66 70)'/><use href='%23bl' transform='translate(245 160) scale(1.5)'/><use href='%23bl' transform='translate(140 275) scale(0.9)'/><ellipse cx='290' cy='58' rx='5' ry='10' transform='rotate(30 290 58)'/><ellipse cx='115' cy='150' rx='5' ry='10' transform='rotate(-25 115 150)'/><ellipse cx='38' cy='240' rx='5' ry='10' transform='rotate(50 38 240)'/><ellipse cx='312' cy='290' rx='5' ry='10' transform='rotate(-40 312 290)'/></g><g fill='%23ffd166' fill-opacity='0.16'><circle cx='66' cy='70' r='3.5'/><circle cx='245' cy='160' r='5'/><circle cx='140' cy='275' r='3'/></g></svg>");
}
[data-theme="pandas"] {
  --theme-art-size: 340px;
  --theme-art: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='340' height='340' viewBox='0 0 340 340'><g stroke='%237ac74f' stroke-opacity='0.13' fill='none' stroke-linecap='round'><path d='M44 -10 V350' stroke-width='11'/><path d='M298 -10 V350' stroke-width='11'/><g stroke-width='3'><path d='M30 66 q14 -6 28 0'/><path d='M30 162 q14 -6 28 0'/><path d='M30 258 q14 -6 28 0'/><path d='M284 114 q14 -6 28 0'/><path d='M284 210 q14 -6 28 0'/></g></g><g fill='%23f4f1e8' fill-opacity='0.10'><g transform='translate(168 146)'><ellipse cx='0' cy='6' rx='17' ry='14'/><circle cx='-14' cy='-14' r='6'/><circle cx='0' cy='-19' r='6'/><circle cx='14' cy='-14' r='6'/><circle cx='20' cy='2' r='5'/></g><g transform='translate(240 306) scale(0.8)'><ellipse cx='0' cy='6' rx='17' ry='14'/><circle cx='-14' cy='-14' r='6'/><circle cx='0' cy='-19' r='6'/><circle cx='14' cy='-14' r='6'/></g></g></svg>");
}
[data-theme="avengers"] {
  --theme-art-size: 340px;
  --theme-art: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='340' height='340' viewBox='0 0 340 340'><g fill='none' stroke='%23e23636' stroke-opacity='0.12' stroke-width='4'><circle cx='90' cy='90' r='46'/><circle cx='90' cy='90' r='30'/><circle cx='90' cy='90' r='14'/></g><g stroke='%23e23636' stroke-opacity='0.09' stroke-width='3' stroke-linecap='round'><path d='M238 40 h66'/><path d='M228 60 h76'/><path d='M244 80 h60'/><path d='M18 286 h66'/><path d='M8 306 h76'/></g><g fill='%23f0b323' fill-opacity='0.13'><polygon points='258,206 267,232 295,232 273,249 281,276 258,260 235,276 243,249 221,232 249,232'/></g><g fill='%23e23636' fill-opacity='0.10'><polygon points='150,146 156,164 174,164 159,175 165,193 150,182 135,193 141,175 126,164 144,164'/></g></svg>");
}
[data-theme="snitch"] {
  --theme-art-size: 340px;
  --theme-art: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='340' height='340' viewBox='0 0 340 340'><g transform='translate(150 125)'><circle cx='0' cy='0' r='15' fill='%23d4af37' fill-opacity='0.14'/><g fill='none' stroke='%23d4af37' stroke-opacity='0.14' stroke-width='3'><path d='M-14 -3 C -55 -30, -70 5, -30 6 C -55 20, -35 34, -13 12'/><path d='M14 -3 C 55 -30, 70 5, 30 6 C 55 20, 35 34, 13 12'/></g></g><g transform='translate(255 285) scale(0.7)'><circle cx='0' cy='0' r='15' fill='%23d4af37' fill-opacity='0.12'/><g fill='none' stroke='%23d4af37' stroke-opacity='0.12' stroke-width='3'><path d='M-14 -3 C -55 -30, -70 5, -30 6 C -55 20, -35 34, -13 12'/><path d='M14 -3 C 55 -30, 70 5, 30 6 C 55 20, 35 34, 13 12'/></g></g><g fill='%23e5c968' fill-opacity='0.16'><path d='M66 56 l3 9 9 3 -9 3 -3 9 -3 -9 -9 -3 9 -3z'/><path d='M290 116 l2.5 8 8 2.5 -8 2.5 -2.5 8 -2.5 -8 -8 -2.5 8 -2.5z'/><path d='M56 288 l2.5 8 8 2.5 -8 2.5 -2.5 8 -2.5 -8 -8 -2.5 8 -2.5z'/><path d='M312 210 l2 7 7 2 -7 2 -2 7 -2 -7 -7 -2 7 -2z'/></g></svg>");
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  /* two layers: the themed decorative artwork (tiled motif) over the glow.
     --theme-art defaults to none, so base themes keep the plain glow. */
  background-image: var(--theme-art, none), var(--bg-glow);
  background-repeat: repeat, no-repeat;
  background-size: var(--theme-art-size, 360px), cover;
  background-attachment: fixed;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.muted { color: var(--ink-faint); }
.grow { flex: 1; }
code { font-family: var(--mono); }
.linkish { background:none; border:none; color: var(--brand-ink); cursor:pointer; font:inherit; font-size:12px; padding:0; }
.linkish:hover { text-decoration: underline; }

/* ===================== Auth screen ===================== */
.auth-screen {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--bg); background-image: var(--bg-glow);
}
.auth-card {
  width: min(430px, 92vw);
  background: var(--panel); border: 1px solid var(--line); border-radius: 20px;
  padding: 28px; box-shadow: var(--shadow-lg);
}
.auth-brand { display: flex; gap: 14px; align-items: center; margin-bottom: 22px; }
.brand-mark.big { width: 52px; height: 52px; }
.auth-tag { color: var(--ink-soft); font-size: 12.5px; margin-top: 3px; }
.auth-tabs { display: flex; gap: 4px; background: var(--panel-3); padding: 4px; border-radius: 11px; margin-bottom: 18px; }
.auth-tabs .tab { flex: 1; }
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 13px; }
.field label { font-size: 12px; color: var(--ink-soft); font-weight: 600; }
.field input, .field textarea, .field select {
  font: inherit; color: var(--ink);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; transition: border-color .15s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); }
.pw-wrap { position: relative; display: flex; }
.pw-wrap input { width: 100%; padding-right: 40px; }
.pw-toggle {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; padding: 6px; border-radius: 8px;
  color: var(--ink-faint); cursor: pointer; transition: color .15s;
}
.pw-toggle:hover { color: var(--ink); }
.pw-toggle .pw-slash { display: none; }
.pw-toggle.showing .pw-slash { display: block; }
.auth-error { color: var(--bad); font-size: 12.5px; margin-bottom: 10px; }
.auth-note { color: var(--ink-faint); font-size: 12px; text-align: center; margin: 12px 0 0; }
.primary-btn.wide { width: 100%; padding: 12px; font-size: 14px; }

/* ===================== App shell ===================== */
.app {
  display: grid;
  grid-template-columns: 236px 1fr;
  height: 100vh;
  overflow: hidden;
}

/* ===================== Sidebar ===================== */
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 6px; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; filter: drop-shadow(0 4px 14px rgba(139,92,246,.45)); }
.brand-mark svg { width: 100%; height: 100%; }
.brand-name { font-size: 19px; letter-spacing: -.3px; font-weight: 500; }
.brand-name b {
  font-weight: 800;
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-future { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; text-align: left;
  padding: 9px 12px; border: none; border-radius: var(--radius-sm);
  background: transparent; color: var(--ink-soft);
  font: inherit; font-size: 13.5px; cursor: pointer;
  transition: background .15s, color .15s;
}
.nav-item:hover:not(:disabled) { background: var(--panel-3); color: var(--ink); }
.nav-item.active {
  background: linear-gradient(120deg, rgba(168,85,247,.18), rgba(6,182,212,.14));
  color: var(--ink); font-weight: 650;
  border: 1px solid color-mix(in srgb, var(--brand) 35%, transparent);
  padding: 8px 11px;
}
.nav-item:disabled { opacity: .5; cursor: default; }
.nav-ico { color: var(--brand-ink); }
.soon {
  margin-left: auto; font-size: 9.5px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-faint); background: var(--panel-3); padding: 2px 6px; border-radius: 99px;
}
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.me-card { display: flex; align-items: center; gap: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 9px 11px; }
.me-avatar {
  width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-grad); color: #fff; font-weight: 800; font-size: 14px; flex-shrink: 0;
}
.me-lines { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.me-name { font-weight: 650; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sess-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.sess-meta code { color: var(--ink-soft); background: var(--panel-3); padding: 2px 7px; border-radius: 6px; font-size: 11px; }
#cost-badge { color: var(--good); }

/* ===================== Main ===================== */
.main { display: flex; flex-direction: column; min-width: 0; height: 100vh; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line); background: var(--panel);
  gap: 16px; flex-wrap: wrap;
}
.title { font-size: 17px; font-weight: 700; margin: 0; letter-spacing: -.2px; }
.subtitle { margin: 2px 0 0; font-size: 12.5px; color: var(--ink-faint); }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.seg { display: inline-flex; align-items: center; gap: 0; background: var(--panel-3); border-radius: 99px; padding: 3px; position: relative; }
.seg-label { font-size: 11px; color: var(--ink-faint); padding: 0 8px 0 10px; letter-spacing: .02em; }
.seg-btn {
  border: none; background: transparent; color: var(--ink-soft);
  font: inherit; font-size: 12.5px; padding: 5px 13px; border-radius: 99px; cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
}
.seg-btn.active { background: var(--panel); color: var(--ink); box-shadow: var(--shadow); font-weight: 600; }
#engine-toggle .seg-btn.active[data-engine="studio"] { color: var(--brand-ink); }

.badge {
  font-size: 11px; padding: 4px 10px; border-radius: 99px;
  background: var(--panel-3); color: var(--ink-soft); font-family: var(--mono);
  border: 1px solid var(--line);
}
.badge.ok { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, var(--line)); }
.icon-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-soft);
  width: 34px; height: 34px; border-radius: 9px; cursor: pointer; font-size: 15px;
  display: grid; place-items: center; transition: background .15s, color .15s;
}
.icon-btn.small { width: 28px; height: 28px; font-size: 13px; }
.icon-btn:hover { background: var(--panel-3); color: var(--ink); }
.primary-btn {
  border: none; background: var(--brand-grad); color: #fff; font: inherit; font-weight: 650;
  padding: 9px 16px; border-radius: 10px; cursor: pointer; transition: filter .15s, transform .05s;
  box-shadow: 0 4px 18px rgba(124,58,237,.35);
}
.primary-btn.small { padding: 7px 13px; font-size: 13px; }
.primary-btn:hover { filter: brightness(1.1); }
.primary-btn:active { transform: translateY(1px); }
.primary-btn:disabled { opacity: .5; cursor: default; filter: none; }
.ghost-btn {
  border: 1px solid var(--line); background: transparent; color: var(--ink-soft);
  font: inherit; padding: 7px 12px; border-radius: 9px; cursor: pointer; transition: background .15s, color .15s;
}
.ghost-btn.small { font-size: 12px; padding: 6px 10px; }
.ghost-btn:hover { background: var(--panel-3); color: var(--ink); }

/* ===================== Listening row ===================== */
.listening {
  display: flex; align-items: center; gap: 14px;
  padding: 11px 22px; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2) 80%, transparent); overflow-x: auto;
}
.listening-label { font-size: 12px; color: var(--ink-faint); flex-shrink: 0; }
.chips { display: flex; gap: 9px; flex-wrap: wrap; }
.chip {
  --agent: var(--ink-faint);
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 13px 6px 11px; border-radius: 99px;
  background: var(--panel); border: 1px solid var(--line);
  font-size: 12.5px; color: var(--ink-soft); white-space: nowrap;
  transition: all .2s ease;
}
.chip .dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--agent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--agent) 70%, transparent);
  transition: box-shadow .2s, transform .2s;
}
.chip.eligible { border-color: color-mix(in srgb, var(--agent) 55%, var(--line)); color: var(--ink); }
.chip.bidding {
  border-color: var(--agent); color: var(--ink);
  background: color-mix(in srgb, var(--agent) 12%, var(--panel));
}
.chip.bidding .dot { animation: pulse 1s ease-in-out infinite; }
.chip.spoke {
  border-color: var(--agent); color: #0b0d14; font-weight: 700;
  background: var(--agent); box-shadow: 0 4px 18px color-mix(in srgb, var(--agent) 55%, transparent);
}
.chip.spoke .dot { background: #0b0d14; }
.chip.passed { opacity: .45; }
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--agent) 60%, transparent); transform: scale(1); }
  50%     { box-shadow: 0 0 0 7px color-mix(in srgb, var(--agent) 0%, transparent); transform: scale(1.3); }
}

/* ===================== Stage ===================== */
.stage { flex: 1; display: grid; grid-template-columns: 1fr 420px; min-height: 0; position: relative; }
.stage.drawer-collapsed { grid-template-columns: 1fr 0; }

/* ---- chat column ---- */
.chat-col { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.transcript {
  flex: 1; overflow-y: auto; padding: 24px clamp(16px, 5vw, 64px);
  display: flex; flex-direction: column; gap: 18px; scroll-behavior: smooth;
}

/* message rows */
.msg { display: flex; flex-direction: column; gap: 5px; max-width: 760px; animation: rise .35s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.msg.learner { align-self: flex-end; align-items: flex-end; }
.msg-head { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 0 4px; }
.msg-avatar {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  font-size: 12px; font-weight: 700; color: #0b0d14; flex-shrink: 0;
}
.msg-name { font-weight: 650; }
.msg-sub { color: var(--ink-faint); font-size: 11.5px; }
.bubble {
  padding: 12px 15px; border-radius: 14px; font-size: 14px; line-height: 1.58;
  background: var(--panel); border: 1px solid var(--line); box-shadow: var(--shadow);
  white-space: pre-wrap; word-wrap: break-word;
}
.msg.learner .bubble { background: var(--brand-grad); color: #fff; border-color: transparent; border-bottom-right-radius: 4px; }
.msg.agent .bubble {
  --agent: var(--ink-faint);
  border-left: 3px solid var(--agent);
  background: color-mix(in srgb, var(--agent) 9%, var(--panel));
  border-bottom-left-radius: 4px;
}
.msg.agent .msg-avatar { background: var(--agent); }
.msg.agent .msg-name { color: var(--agent); }
.msg-actions { display: flex; gap: 10px; }
.why-link, .challenge-link {
  align-self: flex-start; margin-top: 2px; padding: 2px 4px;
  font-size: 11.5px; color: var(--ink-faint); background: none; border: none; cursor: pointer;
  border-radius: 5px;
}
.why-link:hover { color: var(--brand-ink); background: color-mix(in srgb, var(--brand) 14%, transparent); }
.challenge-link:hover { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }

/* system cards in the stream */
.sys-divider { align-self: center; display: flex; align-items: center; gap: 10px; color: var(--ink-faint); font-size: 12px; width: 100%; max-width: 760px; }
.sys-divider::before, .sys-divider::after { content: ""; height: 1px; background: var(--line); flex: 1; }
.sys-divider b { color: var(--ink-soft); }

.sys-pill {
  align-self: center; font-size: 12.5px; color: var(--ink-soft);
  background: var(--panel-2); border: 1px dashed var(--line); padding: 7px 15px; border-radius: 99px;
  display: inline-flex; align-items: center; gap: 9px; animation: rise .35s ease both;
}
.sys-pill.silence { border-style: solid; }
.sys-pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); background: color-mix(in srgb, var(--warn) 10%, var(--panel)); }
.sys-pill.belief { color: var(--brand-ink); border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); background: color-mix(in srgb, var(--brand) 10%, var(--panel)); }
.sys-pill .why-link { margin: 0; }

.run-card {
  align-self: flex-start; max-width: 760px; width: 100%;
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel);
  box-shadow: var(--shadow); animation: rise .35s ease both;
}
.run-card-head { display: flex; align-items: center; gap: 10px; padding: 9px 14px; background: var(--panel-2); border-bottom: 1px solid var(--line); font-size: 12.5px; }
.run-card-head .runico { color: var(--ink-faint); }
.pf { font-weight: 700; font-size: 11.5px; padding: 2px 9px; border-radius: 99px; }
.pf.ok { color: var(--good); background: color-mix(in srgb, var(--good) 16%, transparent); }
.pf.fail { color: var(--bad); background: color-mix(in srgb, var(--bad) 16%, transparent); }
.run-card pre { margin: 0; padding: 11px 14px; font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; max-height: 220px; overflow: auto; }
.run-card pre.err { color: var(--bad); }

/* empty / welcome */
.welcome { margin: auto; text-align: center; max-width: 560px; padding: 30px; }
.welcome h2 {
  font-size: 24px; margin: 0 0 8px; letter-spacing: -.4px;
  background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.welcome p { color: var(--ink-soft); margin: 0 0 22px; }
.welcome-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ---- composer ---- */
.composer { border-top: 1px solid var(--line); background: var(--panel); padding: 12px clamp(16px, 5vw, 64px) 16px; }
.correction-banner {
  margin-bottom: 10px; padding: 8px 13px; border-radius: 10px; font-size: 12.5px;
  color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--line));
  display: flex; align-items: center; gap: 8px;
}
.correction-banner .linkish { margin-left: auto; color: var(--warn); }
.quick { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.chip-btn {
  border: 1px solid var(--line); background: var(--panel-2); color: var(--ink-soft);
  font: inherit; font-size: 12.5px; padding: 6px 12px; border-radius: 99px; cursor: pointer;
  transition: all .15s;
}
.chip-btn:hover { border-color: var(--brand); color: var(--brand-ink); }
.composer-row { display: flex; gap: 10px; align-items: flex-end; }
#composer-input, #g-input {
  flex: 1; width: 100%; resize: none; font: inherit; font-size: 14px; line-height: 1.5;
  padding: 12px 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-2);
  color: var(--ink); max-height: 180px; transition: border-color .15s;
}
#composer-input:focus, #g-input:focus { outline: none; border-color: var(--brand); background: var(--panel); }
.send-btn {
  border: none; background: var(--brand-grad); color: #fff; font: inherit; font-weight: 650;
  padding: 12px 18px; border-radius: 12px; cursor: pointer; display: flex; align-items: center; gap: 8px;
  transition: filter .15s, transform .05s; box-shadow: 0 4px 18px rgba(124,58,237,.35);
}
.send-btn:hover { filter: brightness(1.1); }
.send-btn:active { transform: translateY(1px); }
.send-btn:disabled { opacity: .5; cursor: default; }
.send-ico { font-size: 12px; }

/* ===================== Drawer ===================== */
.drawer {
  border-left: 1px solid var(--line); background: var(--panel-2);
  display: flex; flex-direction: column; min-height: 0; overflow: hidden;
  transition: opacity .2s;
}
.stage.drawer-collapsed .drawer { opacity: 0; pointer-events: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel); }
.drawer-tabs { display: flex; gap: 4px; background: var(--panel-3); padding: 3px; border-radius: 10px; }
.tab {
  border: none; background: transparent; color: var(--ink-soft); font: inherit; font-size: 13px;
  padding: 6px 12px; border-radius: 8px; cursor: pointer; transition: background .15s, color .15s;
}
.tab.active { background: var(--panel); color: var(--ink); font-weight: 600; box-shadow: var(--shadow); }
.tab-pane { display: none; flex: 1; min-height: 0; overflow-y: auto; }
.tab-pane.active { display: flex; flex-direction: column; }

/* drawer toggle rail (when collapsed) */
.drawer-rail {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  writing-mode: vertical-rl; padding: 10px 6px; background: var(--panel); border: 1px solid var(--line);
  border-right: none; border-radius: 10px 0 0 10px; cursor: pointer; font-size: 12px; color: var(--ink-soft);
}

/* ---- inspector ---- */
.orch-body { padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.inspector-empty { text-align: center; color: var(--ink-soft); padding: 30px 10px; }
.inspector-empty .glass-ico { font-size: 34px; margin-bottom: 12px; opacity: .8; }
.inspector-empty p { font-size: 13px; line-height: 1.6; }
.inspector-empty b { color: var(--brand-ink); }

.turn-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.turn-nav .turn-label { font-size: 13px; font-weight: 650; }
.turn-nav .nav-mini { display: flex; gap: 4px; }
.nav-mini button { width: 26px; height: 26px; border: 1px solid var(--line); background: var(--panel); border-radius: 7px; cursor: pointer; color: var(--ink-soft); }
.nav-mini button:disabled { opacity: .4; cursor: default; }

.decision-banner {
  --agent: var(--brand);
  padding: 12px 14px; border-radius: 11px; font-size: 13px; line-height: 1.5;
  border: 1px solid color-mix(in srgb, var(--agent) 40%, var(--line));
  background: color-mix(in srgb, var(--agent) 11%, var(--panel));
}
.decision-banner .db-head { display: flex; align-items: center; gap: 8px; font-weight: 650; margin-bottom: 4px; color: var(--agent); }
.decision-banner.silence { --agent: var(--ink-faint); }
.decision-banner .crown { font-size: 14px; }

.elig-row { font-size: 11.5px; color: var(--ink-faint); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.elig-tag { background: var(--panel-3); padding: 2px 8px; border-radius: 99px; color: var(--ink-soft); }
.elig-tag.hard { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }

.bid-list { display: flex; flex-direction: column; gap: 10px; }
.bid {
  --agent: var(--ink-faint);
  border: 1px solid var(--line); border-radius: 11px; padding: 11px 12px; background: var(--panel);
  border-left: 3px solid var(--agent); animation: rise .3s ease both;
}
.bid.dropped { opacity: .6; }
.bid.winner { box-shadow: 0 0 0 2px color-mix(in srgb, var(--agent) 55%, transparent), 0 6px 22px color-mix(in srgb, var(--agent) 25%, transparent); }
.bid-top { display: flex; align-items: center; gap: 8px; }
.bid-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--agent); box-shadow: 0 0 8px color-mix(in srgb, var(--agent) 70%, transparent); }
.bid-name { font-weight: 650; color: var(--agent); font-size: 13px; }
.bid-flags { margin-left: auto; display: flex; gap: 5px; align-items: center; }
.flag { font-size: 10px; padding: 2px 7px; border-radius: 99px; background: var(--panel-3); color: var(--ink-soft); letter-spacing: .01em; }
.flag.speak { color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }
.flag.pass { color: var(--ink-faint); }
.flag.ground { color: var(--c-solver); background: color-mix(in srgb, var(--c-solver) 14%, transparent); }
.flag.risk-high { color: var(--bad); background: color-mix(in srgb, var(--bad) 13%, transparent); }
.flag.crown { background: var(--agent); color: #0b0d14; font-weight: 700; }

.score-row { display: flex; align-items: center; gap: 9px; margin-top: 9px; }
.score-track { position: relative; flex: 1; height: 9px; border-radius: 99px; background: var(--panel-3); overflow: hidden; }
.score-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 99px; background: var(--agent); transition: width .7s cubic-bezier(.2,.8,.2,1); box-shadow: 0 0 10px color-mix(in srgb, var(--agent) 60%, transparent); }
.score-threshold { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--ink); opacity: .55; }
.score-threshold::after { content: "0.45"; position: absolute; top: -15px; left: 50%; transform: translateX(-50%); font-size: 8.5px; color: var(--ink-faint); }
.score-val { font-family: var(--mono); font-size: 12px; font-weight: 600; width: 38px; text-align: right; }
.score-val.dim { color: var(--ink-faint); font-weight: 400; }

.breakdown { display: flex; gap: 8px; margin-top: 9px; font-size: 10.5px; color: var(--ink-faint); }
.bd { flex: 1; }
.bd-label { display: flex; justify-content: space-between; margin-bottom: 3px; }
.bd-bar { height: 4px; border-radius: 99px; background: var(--panel-3); overflow: hidden; }
.bd-bar span { display: block; height: 100%; background: color-mix(in srgb, var(--agent) 70%, var(--ink-faint)); width: 0; transition: width .6s ease; }

.bid-reason { margin-top: 8px; font-size: 11px; color: var(--ink-faint); }
.bid-reason b { color: var(--ink-soft); }
.draft-toggle { margin-top: 8px; font-size: 11.5px; color: var(--ink-faint); background: none; border: none; cursor: pointer; padding: 0; }
.draft-toggle:hover { color: var(--brand-ink); }
.draft-body { margin-top: 6px; padding: 9px 11px; background: var(--panel-2); border: 1px dashed var(--line); border-radius: 8px; font-size: 12.5px; color: var(--ink-soft); white-space: pre-wrap; }

.orch-foot { font-size: 10.5px; color: var(--ink-faint); border-top: 1px solid var(--line-soft); padding-top: 10px; font-family: var(--mono); line-height: 1.7; }
.orch-foot .cost { color: var(--good); }
.baseline-note { padding: 18px; font-size: 13px; line-height: 1.6; color: var(--ink-soft); }
.baseline-note b { color: var(--ink); }

/* cost line in the inspector */
.cost-line {
  display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center;
  font-size: 11px; font-family: var(--mono); color: var(--ink-soft);
  background: color-mix(in srgb, var(--good) 7%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--good) 25%, var(--line));
  border-radius: 9px; padding: 8px 11px;
}
.cost-line .c-big { color: var(--good); font-weight: 700; }

/* ===================== Beliefs pane + profile OLM ===================== */
.skill-row { display: flex; align-items: center; gap: 10px; margin: 7px 0; font-size: 12.5px; }
.skill-name { width: 110px; color: var(--ink-soft); text-transform: capitalize; flex-shrink: 0; }
.skill-track { position: relative; flex: 1; height: 8px; border-radius: 99px; background: var(--panel-3); overflow: hidden; }
.skill-fill { position: absolute; inset: 0 auto 0 0; border-radius: 99px; background: var(--brand-grad); transition: width .5s ease; }
.skill-val { font-family: var(--mono); font-size: 11px; width: 60px; text-align: right; color: var(--ink-faint); }
.skill-row input[type=range] { flex: 1; accent-color: var(--brand); }
.belief-card { border: 1px solid var(--line); border-radius: 11px; background: var(--panel); padding: 12px 14px; }
.belief-card h4 { margin: 0 0 8px; font-size: 12.5px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.blind-spot { font-size: 12px; color: var(--ink-soft); padding: 6px 9px; border-left: 2px solid var(--warn); background: var(--panel-2); border-radius: 0 8px 8px 0; margin: 6px 0; }
.trust-meter { display: flex; align-items: center; gap: 10px; }
.conf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.conf-item { display: flex; justify-content: space-between; font-size: 12px; background: var(--panel-2); border-radius: 8px; padding: 6px 10px; }
.conf-item b { font-family: var(--mono); }

/* ===================== Profile view ===================== */
.profile-stage { flex: 1; overflow-y: auto; padding: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-content: start; }
.profile-col { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 12px; font-size: 15px; }
.small-note { font-size: 12px; line-height: 1.55; margin: 0 0 12px; }
.olm-flag { font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 99px; vertical-align: middle; margin-left: 6px; }
.olm-flag.on { color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }
.olm-flag.off { color: var(--ink-faint); background: var(--panel-3); }

/* ===================== Code pane ===================== */
.code-pane { padding: 14px; display: flex; flex-direction: column; gap: 14px; }

.editor-wrap { border: 1px solid var(--line); border-radius: 11px; overflow: hidden; background: var(--panel); }
.editor-bar { display: flex; align-items: center; gap: 8px; padding: 7px 11px; background: var(--panel-2); border-bottom: 1px solid var(--line); font-size: 12px; }
.editor { position: relative; display: flex; overflow: hidden; background: var(--panel); }
.gutter {
  flex-shrink: 0; padding: 12px 8px 12px 12px; text-align: right; user-select: none;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6; color: var(--ink-faint);
  background: var(--panel-2); border-right: 1px solid var(--line-soft); min-width: 38px;
  white-space: pre;
}
.code-area { position: relative; flex: 1; overflow: hidden; }
.code-area pre.highlight, .code-area textarea {
  margin: 0; padding: 12px 14px; font-family: var(--mono); font-size: 12.5px; line-height: 1.6;
  white-space: pre; tab-size: 4; border: none;
}
.code-area pre.highlight { position: absolute; inset: 0; pointer-events: none; overflow: hidden; color: var(--ink); }
.code-area textarea {
  position: relative; width: 100%; min-height: 200px; background: transparent; resize: none;
  color: transparent; caret-color: var(--ink); outline: none; overflow: hidden;
}
/* python token colors (vibrant) */
.tok-kw { color: #f472b6; font-weight: 600; }
.tok-def { color: var(--c-solver); font-weight: 600; }
.tok-str { color: #4ade80; }
.tok-num { color: #fbbf24; }
.tok-com { color: var(--ink-faint); font-style: italic; }
.tok-bi  { color: #67e8f9; }
[data-theme="light"] .tok-kw { color: #c026d3; }
[data-theme="light"] .tok-str { color: #0f9d6f; }
[data-theme="light"] .tok-bi { color: #0e7490; }

.console { border: 1px solid var(--line); border-radius: 11px; overflow: hidden; background: var(--panel); }
.console-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; background: var(--panel-2); border-bottom: 1px solid var(--line); font-size: 12px; }
.console-status.ok { color: var(--good); } .console-status.fail { color: var(--bad); }
.console-body { margin: 0; padding: 11px 13px; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; max-height: 200px; overflow: auto; color: var(--ink-soft); }

.hint-ladder { border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; background: var(--panel); }
.hint-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 12.5px; }
.rungs { display: flex; flex-direction: column; gap: 6px; }
.rung { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--ink-faint); padding: 4px 6px; border-radius: 7px; }
.rung .rnum { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; border: 1px solid var(--line); flex-shrink: 0; }
.rung.reached { color: var(--ink-soft); }
.rung.reached .rnum { background: color-mix(in srgb, var(--brand) 22%, transparent); border-color: transparent; color: var(--brand-ink); }
.rung.current { color: var(--ink); font-weight: 600; background: color-mix(in srgb, var(--brand) 10%, transparent); }
.rung.current .rnum { background: var(--brand-grad); color: #fff; border-color: transparent; }

/* ===================== Modal / toast ===================== */
.modal-backdrop { position: fixed; inset: 0; background: rgba(5,6,12,.65); display: grid; place-items: center; z-index: 50; padding: 30px; backdrop-filter: blur(3px); }
.modal-backdrop[hidden] { display: none; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; width: min(960px, 96vw); max-height: 86vh; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); overflow: hidden; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-body { overflow: auto; padding: 8px 0; }
.modal-foot { padding: 12px 20px; border-top: 1px solid var(--line); font-size: 11.5px; }
.trace-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.trace-table td { padding: 5px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.trace-table .t-id { font-family: var(--mono); color: var(--ink-faint); white-space: nowrap; }
.trace-table .t-actor { font-weight: 600; }
.trace-table .t-type { font-family: var(--mono); color: var(--ink-soft); }

.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 11px 20px; border-radius: 11px; font-size: 13px; box-shadow: var(--shadow-lg); z-index: 60; animation: rise .25s ease; }
.toast[hidden] { display: none; }

/* typing indicator */
.typing { display: inline-flex; gap: 4px; padding: 13px 16px; }
.typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-faint); animation: blink 1.2s infinite; }
.typing span:nth-child(2){ animation-delay: .2s; } .typing span:nth-child(3){ animation-delay: .4s; }
@keyframes blink { 0%,80%,100%{ opacity: .25; transform: translateY(0); } 40%{ opacity: 1; transform: translateY(-3px); } }

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--ink-faint) 35%, transparent); border-radius: 99px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--ink-faint) 55%, transparent); background-clip: padding-box; }

/* responsive */
body { overflow-x: hidden; }
/* ---- off-canvas nav plumbing (inert above the breakpoint) ---- */
.nav-toggle {
  display: none; position: fixed; top: 12px; left: 12px; z-index: 44;
  width: 38px; height: 38px; place-items: center; cursor: pointer;
  border: 1px solid var(--line); border-radius: 11px;
  background: var(--panel-2); color: var(--ink); font-size: 17px; line-height: 1;
  box-shadow: var(--shadow);
}
.nav-toggle:hover { border-color: var(--brand); color: var(--brand-ink); }
.nav-scrim {
  display: none; position: fixed; inset: 0; z-index: 41;
  background: rgba(0, 0, 0, .5); opacity: 0; pointer-events: none;
  transition: opacity .22s ease; border: none; padding: 0;
}

@media (max-width: 1100px) {
  .stage { grid-template-columns: 1fr 360px; }
  .profile-stage { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  /* The sidebar becomes an off-canvas drawer instead of vanishing. It used to be
     display:none with no replacement, so snapping the window to one side left
     the app with no navigation at all (author report, 2026-07-13). */
  .app { grid-template-columns: 1fr; height: 100vh; }
  .sidebar {
    /* Below the modal backdrop (50), toast (60) and chip menu (60) already in use. */
    position: fixed; top: 0; bottom: 0; left: 0; width: 262px; z-index: 42;
    transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: var(--shadow-lg); overflow-y: auto;
  }
  /* translateX(0), not `none`: an explicit transform is the reliable target for
     a transition (a `none` target is not animated consistently). */
  .app.nav-open .sidebar { transform: translateX(0); }
  .nav-scrim { display: block; }
  .app.nav-open .nav-scrim { opacity: 1; pointer-events: auto; }
  .nav-toggle { display: grid; }
  .topbar { padding-left: 60px; }          /* room for the toggle */
  .main { height: 100vh; }
  .stage { grid-template-columns: 1fr; }
  .stage.drawer-collapsed { grid-template-columns: 1fr; }
  .drawer { border-left: none; border-top: 1px solid var(--line); }
  .drawer-rail { display: none !important; }
  #btn-drawer { display: none; }
}

/* Very narrow (a window snapped to a third of the screen, or a phone). */
@media (max-width: 560px) {
  .sidebar { width: 84vw; }
  .transcript { padding: 16px 12px; }
  .composer { padding: 10px 12px 12px; }
  .topbar h1, .topbar .title { font-size: 15px; }
  .topbar .subtitle { display: none; }
}

/* ===================== "Agent is thinking" indicator ===================== */
.thinking {
  display: flex; align-items: center; gap: 11px; align-self: flex-start;
  max-width: 88%; padding: 11px 15px; border-radius: 14px;
  border-bottom-left-radius: 4px;
  background: var(--panel-2); border: 1px solid var(--line);
  animation: rise .3s ease both;
}
.thinking-dots { display: inline-flex; gap: 4px; }
.thinking-dots i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--brand);
  animation: think-bounce 1.25s ease-in-out infinite;
}
.thinking-dots i:nth-child(2) { animation-delay: .16s; background: var(--brand-2); }
.thinking-dots i:nth-child(3) { animation-delay: .32s; }
.thinking-label {
  font-size: 13px; color: var(--ink-soft);
  background: var(--brand-grad); -webkit-background-clip: text; background-clip: text;
  color: transparent; background-size: 220% 100%;
  animation: think-shimmer 2.6s linear infinite; font-weight: 600;
}
@keyframes think-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .45; }
  30%           { transform: translateY(-5px); opacity: 1; }
}
@keyframes think-shimmer { from { background-position: 0 0; } to { background-position: 220% 0; } }
@media (prefers-reduced-motion: reduce) {
  .thinking-dots i, .thinking-label { animation: none; }
  .thinking-label { color: var(--ink-soft); background: none; -webkit-text-fill-color: currentColor; }
}

/* ===================== Phase 6: HITL gates, summon/dismiss, rails ===================== */
.approval-card {
  margin: 12px auto; max-width: 580px; width: 100%;
  background: var(--panel-2); border: 1px solid var(--line);
  border-left: 3px solid var(--agent, var(--brand)); border-radius: 14px;
  padding: 14px 16px; box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
}
.approval-card .ap-head { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.approval-card .ap-proposal { font-size: 14px; color: var(--ink); line-height: 1.5; margin-bottom: 12px; }
.approval-card .ap-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.approval-card.resolved { opacity: .55; }

.chip { cursor: pointer; }
.chip.muted { opacity: .4; filter: grayscale(.8); }
.chip-menu {
  position: fixed; z-index: 60; display: flex; flex-direction: column; gap: 2px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 6px; box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
}
.chip-menu button {
  font: inherit; font-size: 12.5px; color: var(--ink); text-align: left;
  background: none; border: none; border-radius: 8px; padding: 7px 10px; cursor: pointer;
}
.chip-menu button:hover { background: var(--panel-3); }

/* Code snippets inside chat bubbles / proposals (Planner concept teaching) */
.bubble pre.snippet, .ap-proposal pre.snippet {
  background: var(--panel-3); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; margin: 8px 0; overflow-x: auto;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.55; white-space: pre;
}
.bubble code, .ap-proposal code {
  font-family: var(--mono); font-size: .92em;
  background: var(--panel-3); padding: 1px 5px; border-radius: 5px;
}

.bubble .bh, .ap-proposal .bh { display: block; margin: 10px 0 3px; font-size: 14.5px; font-weight: 700; }
.bubble .bh-hr, .ap-proposal .bh-hr { border: none; border-top: 1px solid var(--line); margin: 10px 0; }

/* ======================= Latency readout (inspector) ======================= */
.latency-line {
  display: flex; gap: 8px; align-items: center;
  font-size: 12px; color: var(--ink-soft);
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 7px 11px; margin-top: 8px;
}
.latency-line b { color: var(--ink); }

/* ======================= Group chat ======================= */
.msg.peer { align-self: flex-start; }
.msg.peer .bubble {
  background: var(--panel-2); border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}
#g-btn-mode.mode-on { border-color: var(--brand); color: var(--brand-ink); box-shadow: 0 0 0 1px var(--brand); }
.g-composer-note { font-size: 11.5px; margin: 6px 4px 0; }
.g-composer-note code { font-family: var(--mono); background: var(--panel-3); padding: 1px 5px; border-radius: 5px; }

.offer-bubble {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--panel-2); border: 1px solid var(--line);
  border-left: 3px solid var(--c-planner, #7c8cf8);
  border-radius: 12px; padding: 9px 12px; margin-bottom: 8px;
  font-size: 13px; animation: rise .35s ease both;
}
.offer-bubble.quiet { border-left-color: var(--ink-faint); }
.offer-bubble .muted { font-size: 12px; }

.g-members-card { padding: 12px 14px; }
.g-members-card h3 { margin: 0 0 8px; font-size: 13px; }
.g-member { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 3px 0; }
.g-member .me-avatar { width: 22px; height: 22px; font-size: 11px; }

.g-code-area {
  width: 100%; min-height: 180px; resize: vertical;
  font-family: var(--mono); font-size: 13px; line-height: 1.6;
  color: var(--ink); background: var(--panel-2);
  border: none; outline: none; padding: 10px 12px; white-space: pre; overflow-x: auto;
}

/* ======================= Settings ======================= */
.theme-tabs { display: flex; gap: 4px; background: var(--panel-3); padding: 4px;
  border-radius: 11px; margin: 10px 0 12px; width: fit-content; }
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.theme-swatch {
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  font: inherit; color: var(--ink); cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 12px; text-align: left;
}
.theme-swatch.active { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.sw-dots { display: flex; gap: 5px; }
.sw-dots i { width: 16px; height: 16px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); }
.sw-label { font-size: 12.5px; font-weight: 650; }
.st-toggle { display: flex; align-items: center; gap: 9px; font-size: 13.5px; padding: 6px 0; cursor: pointer; }
.st-toggle input { accent-color: var(--brand); width: 16px; height: 16px; }
.st-memory { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.mem-row { font-size: 12.5px; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 10px; }
.lang-select {
  font: inherit; font-size: 12px; color: var(--ink);
  background: var(--panel-3); border: 1px solid var(--line); border-radius: 8px;
  padding: 4px 8px; margin-right: 8px;
}

/* ======================= History ======================= */
.h-item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  font: inherit; color: var(--ink); cursor: pointer; text-align: left;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; margin-bottom: 8px;
}
.h-item:hover { border-color: var(--brand); }
.h-kind { font-size: 16px; }
.h-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.h-main .muted { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.h-meta { font-size: 11.5px; white-space: nowrap; }

/* ======================= Career guidance ======================= */
.career-result { font-size: 14px; line-height: 1.65; }
.career-result pre.snippet {
  background: var(--panel-3); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; margin: 8px 0; overflow-x: auto;
  font-family: var(--mono); font-size: 12.5px;
}
.career-result code { font-family: var(--mono); background: var(--panel-3); padding: 1px 5px; border-radius: 5px; }
.career-result .bh { display: block; margin: 14px 0 4px; font-size: 15px; font-weight: 700; }
.career-result .bh-hr { border: none; border-top: 1px solid var(--line); margin: 10px 0; }