/* =========================================================================
   Sin & Sarah — Companion Phone Bridge
   Two shipped themes, toggled live. Default: Vesper (dark).
   White-label: a buyer reskins by editing the 4 --accent* tokens per theme,
   or by adding their own [data-theme="..."] block.
   ========================================================================= */

/* ---- OBSIDIAN (dark, default) — brand violet + gold on black, no pink ---- */
:root,
html[data-theme="obsidian"] {
  color-scheme: dark;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Figtree", system-ui, -apple-system, sans-serif;

  --accent:#9a78ff; --accent-2:#c4b5fd; --accent-deep:#7c3aed;
  --gold:#d4a857;
  --bg:#050508; --bg-glow-1:rgba(124,58,237,.22); --bg-glow-2:rgba(63,185,201,.07);
  --card:rgba(23,20,42,.70); --card-solid:#14102a;
  --text:#f8f8f8; --muted:rgba(248,248,248,.66); --faint:rgba(248,248,248,.40);
  --line:rgba(196,181,253,.10); --line-2:rgba(196,181,253,.22);
  --ok:#5fd0a3; --rose:#3fb9c9;
  --user-bubble:linear-gradient(160deg,#2d2153,#14102a);
  --user-text:#f8f8f8; --user-line:var(--line-2);
  --av-text:#0a0712; --send-text:#0a0712;
  --shadow:0 24px 50px -28px rgba(0,0,0,.9);
  --blur:16px;
}

/* ---- STONE (light, classic) — warm greige + espresso + bronze hairline ---- */
html[data-theme="stone"] {
  color-scheme: light;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Figtree", system-ui, -apple-system, sans-serif;

  --accent:#8a7350; --accent-2:#a68f66; --accent-deep:#6a5638;
  --gold:#8a7350;
  --bg:#ece8e1; --bg-glow-1:rgba(138,115,80,.10); --bg-glow-2:rgba(40,34,26,.04);
  --card:rgba(255,255,255,.72); --card-solid:#ffffff;
  --text:#211f1c; --muted:#6f685e; --faint:#8b857b;
  --line:rgba(40,34,26,.10); --line-2:rgba(40,34,26,.16);
  --ok:#5f8a73; --rose:#bf6a52;
  --user-bubble:linear-gradient(160deg,#2c2722,#211f1c);
  --user-text:#f4efe7; --user-line:transparent;
  --av-text:#f4efe7; --send-text:#f4efe7;
  --shadow:24px 28px 56px -36px rgba(40,34,26,.28);
  --blur:18px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{width:100%;min-height:100%;margin:0}
body{
  overflow:hidden;
  font-family:var(--font-body);
  color:var(--text);
  background:
    radial-gradient(110% 70% at 88% -8%, var(--bg-glow-1) 0%, transparent 55%),
    radial-gradient(120% 80% at -10% 108%, var(--bg-glow-2) 0%, transparent 52%),
    var(--bg);
  transition:background .5s ease, color .4s ease;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}
button,input{font:inherit;color:inherit}

.phone-shell{
  position:relative;z-index:1;width:min(100%,402px);height:100dvh;margin:0 auto;
  display:grid;grid-template-rows:auto auto auto 1fr auto;gap:13px;
  padding:calc(env(safe-area-inset-top,0px) + 20px) 18px calc(env(safe-area-inset-bottom,0px) + 16px);
}

/* ---- header ---- */
.topbar{display:flex;align-items:flex-start;justify-content:space-between}
.brand-lockup{min-width:0}
.eyebrow{display:block;font-size:10.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--accent);font-weight:700}
.topbar h1{
  margin:4px 0 0;font-family:var(--font-display);font-weight:500;font-size:38px;line-height:.9;letter-spacing:.005em;
}
.topbar h1 .dot-accent{color:var(--accent-2)}
.head-actions{display:flex;gap:9px;flex:none}
.icon-button{
  width:42px;height:42px;border-radius:13px;border:1px solid var(--line-2);background:var(--card);
  -webkit-backdrop-filter:blur(var(--blur));backdrop-filter:blur(var(--blur));
  display:grid;place-items:center;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s,transform .1s;
}
.icon-button:hover{color:var(--text);border-color:var(--accent)}
.icon-button:active{transform:scale(.94)}
.icon-button svg{width:19px;height:19px;fill:currentColor}

/* ---- status strip ---- */
.connection-strip{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;
  padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:var(--card);
  -webkit-backdrop-filter:blur(var(--blur));backdrop-filter:blur(var(--blur));box-shadow:var(--shadow);
}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--faint);transition:background .3s,box-shadow .3s}
.phone-shell[data-state="online"] .pulse-dot{background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 18%,transparent),0 0 14px color-mix(in srgb,var(--ok) 45%,transparent)}
.phone-shell[data-state="offline"] .pulse-dot{background:var(--rose);box-shadow:0 0 0 4px color-mix(in srgb,var(--rose) 18%,transparent)}
.phone-shell[data-state="checking"] .pulse-dot,
.phone-shell[data-state="thinking"] .pulse-dot{background:var(--accent);animation:pulse 1.1s ease-in-out infinite}
.phone-shell[data-state="listening"] .pulse-dot{background:var(--accent-2);animation:pulse .9s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(.8);opacity:.6}50%{transform:scale(1.25);opacity:1}}
.status-text{min-width:0}
.status-line{font-weight:600;font-size:13.5px;text-transform:capitalize}
.status-detail{margin-top:2px;font-size:12px;color:var(--faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-button{
  border:1px solid var(--line-2);background:transparent;border-radius:10px;padding:7px 13px;
  font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);cursor:pointer;transition:.2s;
}
.mini-button:hover{color:var(--accent-2);border-color:var(--accent)}

/* ---- mode strip ---- */
.mode-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.profile-pill{
  min-width:0;min-height:38px;border:1px solid var(--line);background:var(--card);border-radius:12px;
  font-size:12.5px;font-weight:600;color:var(--muted);cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  -webkit-backdrop-filter:blur(var(--blur));backdrop-filter:blur(var(--blur));transition:.2s;
}
.cinema-pill{display:flex;align-items:center;justify-content:center;gap:6px}
.cinema-pill svg{width:15px;height:15px;fill:currentColor;flex:none}
.profile-pill:hover{color:var(--text)}
.profile-pill.active,.profile-pill[aria-pressed="true"]{
  color:var(--text);border-color:color-mix(in srgb,var(--accent) 55%,transparent);
  background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 18%,transparent),color-mix(in srgb,var(--accent) 6%,transparent));
}

/* ---- transcript ---- */
.transcript{
  min-height:0;overflow:auto;display:flex;flex-direction:column;justify-content:flex-end;gap:13px;padding:6px 2px 2px;scrollbar-width:none;
}
.transcript::-webkit-scrollbar{display:none}
.message{display:flex;gap:10px;max-width:90%;animation:rise .35s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.message.user{align-self:flex-end;flex-direction:row-reverse}
.message.ai,.message.bridge,.message.error{align-self:flex-start}
.message .av{
  width:30px;height:30px;border-radius:10px;flex:none;display:grid;place-items:center;
  font-family:var(--font-display);font-size:17px;color:var(--av-text);
  background:linear-gradient(150deg,var(--accent-2),var(--accent-deep));box-shadow:0 8px 16px -8px color-mix(in srgb,var(--accent-deep) 75%,transparent);
}
.message.user .av,.message.error .av{display:none}
.bubble{padding:11px 14px;border-radius:16px;min-width:0}
.message.ai .bubble,.message.bridge .bubble{background:var(--card-solid);border:1px solid var(--line);border-top-left-radius:5px;box-shadow:var(--shadow)}
.message.user .bubble{background:var(--user-bubble);color:var(--user-text);border:1px solid var(--user-line);border-top-right-radius:5px}
.message.error .bubble{background:transparent;border:1px solid color-mix(in srgb,var(--rose) 50%,transparent);color:var(--rose)}
.bubble .label{display:block;font-size:9.5px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:5px}
.message.user .bubble .label{display:none}
.bubble p{margin:0;font-size:14.5px;line-height:1.45;overflow-wrap:anywhere}

/* ---- composer ---- */
.composer{
  display:flex;align-items:center;gap:10px;padding:8px 8px 8px 16px;border:1px solid var(--line-2);
  border-radius:22px;background:var(--card);-webkit-backdrop-filter:blur(var(--blur));backdrop-filter:blur(var(--blur));box-shadow:var(--shadow);
}
.composer input{flex:1;min-width:0;border:0;background:transparent;font-size:15px;color:var(--text);outline:none}
.composer input::placeholder{color:var(--faint)}
.core-button{
  width:42px;height:42px;border-radius:50%;flex:none;border:1px solid var(--line-2);
  background:color-mix(in srgb,var(--text) 5%,transparent);color:var(--muted);display:grid;place-items:center;cursor:pointer;transition:.2s;
}
.core-button:hover{color:var(--accent-2);border-color:var(--accent)}
.core-button:disabled{opacity:.4}
.phone-shell[data-state="listening"] .core-button{color:var(--av-text);background:linear-gradient(150deg,var(--accent-2),var(--accent-deep));border-color:transparent;animation:pulse 1s ease-in-out infinite}
.core-button svg{width:18px;height:18px;fill:currentColor}
.send-button{
  width:46px;height:46px;border-radius:50%;flex:none;border:0;display:grid;place-items:center;color:var(--send-text);cursor:pointer;
  background:linear-gradient(150deg,var(--accent-2),var(--accent-deep));box-shadow:0 12px 22px -8px color-mix(in srgb,var(--accent-deep) 70%,transparent);transition:transform .1s;
}
.send-button:active{transform:scale(.93)}
.send-button svg{width:19px;height:19px;fill:currentColor}

/* ---- settings sheet ---- */
.settings-sheet{
  width:min(92vw,440px);border:1px solid var(--line-2);border-radius:20px;padding:0;color:var(--text);
  background:var(--card-solid);box-shadow:0 30px 90px -30px rgba(0,0,0,.7);
}
.settings-sheet::backdrop{background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.sheet-inner{display:grid;gap:15px;padding:18px}
.sheet-header{display:flex;align-items:center;justify-content:space-between}
.sheet-header h2{margin:0;font-family:var(--font-display);font-weight:500;font-size:24px}
.field{display:grid;gap:6px}
.field>span{font-size:10px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.field input{min-height:44px;border-radius:12px;border:1px solid var(--line-2);background:color-mix(in srgb,var(--text) 4%,transparent);color:var(--text);padding:0 13px;outline:none}
.field input:focus{border-color:var(--accent)}
.segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.profile-setting{min-height:42px;border:1px solid var(--line);background:transparent;border-radius:12px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:.2s}
.profile-setting.active,.profile-setting[aria-pressed="true"]{color:var(--text);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.system-mode-settings{display:grid;gap:11px;padding:2px 0 4px}
.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;text-transform:uppercase;color:var(--accent);font-weight:800}
.setting-row strong{color:var(--muted);font-size:11px}
.mode-choice{grid-template-columns:repeat(4,minmax(0,1fr))}
.mode-choice .profile-setting{min-width:0;font-size:12px}
.custom-mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.custom-mode-grid[hidden]{display:none}
.custom-mode-grid label{display:grid;gap:5px;font-size:10px;text-transform:uppercase;color:var(--muted);font-weight:700}
.custom-mode-grid select,.custom-mode-grid input[type="number"]{width:100%;min-height:40px;border:1px solid var(--line-2);border-radius:10px;background:var(--card);color:var(--text);padding:0 9px}
.talkativeness-choice{grid-template-columns:repeat(3,minmax(0,1fr))}
.talkativeness-choice .profile-setting{min-width:0;font-size:11.5px;padding:9px 4px}
.call-initiative-settings{display:grid;gap:11px;padding:2px 0 4px}
.apply-mode-button{min-height:44px;border:0;border-radius:12px;color:var(--send-text);background:linear-gradient(150deg,var(--accent-2),var(--accent-deep));font-weight:800;cursor:pointer}
.apply-mode-button:disabled{opacity:.45;cursor:default}
.voice-identity-settings{display:grid;gap:9px;padding:2px 0 4px}
.browser-voice-settings{display:grid;gap:9px;padding:2px 0 4px}
.browser-voice-settings .apply-mode-button{min-height:40px;font-size:12.5px}
.voice-sample-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border:1px solid var(--line-2);border-radius:12px;background:var(--card)}
.voice-sample-info{display:grid;gap:2px;min-width:0}
.voice-sample-info strong{font-size:13px;color:var(--text)}
.voice-sample-prompt{font-size:11.5px;color:var(--muted);line-height:1.35}
.voice-sample-record{min-width:84px;min-height:38px;border:1px solid color-mix(in srgb,var(--accent) 55%,transparent);border-radius:10px;background:transparent;color:var(--accent-2);font-weight:800;font-size:12.5px;cursor:pointer;transition:.15s}
.voice-sample-record:active{transform:scale(.96)}
.voice-sample-record[data-recorded="true"]{color:var(--text);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.voice-sample-record[data-recording="true"]{color:#fff;border-color:transparent;background:linear-gradient(150deg,var(--accent-2),var(--accent-deep));animation:pulse 1s ease-in-out infinite}
.voice-sample-record:disabled{opacity:.45;cursor:default;animation:none}
.voice-identity-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:2px}
.voice-identity-actions .apply-mode-button{min-height:40px;font-size:12.5px}
.sheet-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:4px 0 0;padding:0}
.sheet-actions button{min-height:46px;border-radius:13px;border:1px solid var(--line-2);background:transparent;font-weight:700;color:var(--text);cursor:pointer;transition:.15s}
.sheet-actions button:first-child{border-color:transparent;color:var(--send-text);background:linear-gradient(150deg,var(--accent-2),var(--accent-deep))}
.sheet-actions button:active{transform:scale(.97)}

@media (max-width:360px){
  .phone-shell{gap:10px;padding-left:12px;padding-right:12px}
  .topbar h1{font-size:32px}
}