:root{
  --bg:#080d1b;
  --surface:#111a31;
  --surface-strong:#151f39;
  --surface-soft:#0d1427;
  --ink:#f4f6ff;
  --muted:#b8c5e3;
  --blue:#3f83f6;
  --blue-strong:#2f6fd8;
  --line:#2c3b63;
  --mic:#a9dfe7;
  --danger:#ff9b90;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:radial-gradient(circle at 50% 15%,#111d38 0,#080d1b 42%,#070b16 100%);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,sans-serif}
button,input,select{font:inherit}
.app,main{width:min(760px,calc(100% - 40px));margin:0 auto}
.app{padding:42px 0 64px}
.hero-header{text-align:center}
.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.14em;margin:0 0 16px;color:#dfe7ff}
.hero-header h1{font-size:clamp(2.7rem,8vw,4.8rem);letter-spacing:-.065em;line-height:.92;margin:0 0 10px}
.subtitle{margin:0;color:#aebada;font-size:1.2rem}
#status{min-height:1.4em;margin:12px 0 0;color:var(--muted);font-size:.92rem}
.mode-picker{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;width:min(390px,100%);margin:24px auto 0;padding:10px 12px;border:1px solid #526da8;border-radius:16px;background:#0f1a34;color:var(--ink);box-shadow:0 8px 22px rgba(0,0,0,.22)}
.mode-picker label{font-weight:800;font-size:1rem;color:#f0f4ff;letter-spacing:.01em}
.mode-picker select{width:100%;min-height:50px;padding:10px 38px 10px 14px;border:2px solid #7699dd;border-radius:12px;background:#1b2d55;color:#fff;color-scheme:dark;font-size:1rem;font-weight:750;line-height:1.2;cursor:pointer}
.mode-picker select:hover{border-color:#a8c3ff;background:#223968}
.mode-picker select:focus-visible{outline:3px solid #9ec0ff;outline-offset:3px}
.mode-picker select option{background:#1b2d55;color:#fff;font-weight:700}
.mode-picker select:disabled{opacity:1;border-color:#58709e;background:#172746;color:#c8d4ef;cursor:not-allowed}
.voice-hero{display:grid;place-items:center;padding:38px 0 28px}
.talk-control{display:flex;width:min(380px,100%);flex-direction:column;align-items:center;gap:22px;border:0;padding:0;background:transparent;color:var(--ink);font:inherit;cursor:pointer}
.talk-control:focus-visible{outline:4px solid #79a9ff;outline-offset:8px;border-radius:24px}
.mic-disc{display:block;width:min(312px,76vw);height:auto;aspect-ratio:1;filter:drop-shadow(0 14px 24px rgba(0,0,0,.28));transition:transform .14s ease}
.talk-control:hover .mic-disc{transform:translateY(-2px)}
.mic-disc-background{fill:#172544;stroke:#1e3159;stroke-width:3}
.mic-capsule{fill:var(--mic);stroke:var(--mic);stroke-width:8}
.mic-lines{fill:none;stroke:var(--mic);stroke-width:10;stroke-linecap:round;stroke-linejoin:round}
.mic-detail{fill:none;stroke:#1b2948;stroke-width:7;stroke-linecap:round}
.talk-control[aria-pressed=true] .mic-disc-background{fill:#203665}
.talk-control[aria-pressed=true] .mic-disc{animation:listening-pulse 1.8s ease-in-out infinite}
.voice-instruction{color:#aebada;font-size:1.18rem}
.talk-pill{display:grid;min-width:210px;min-height:72px;place-items:center;border:0;border-radius:999px;background:var(--blue);color:#fff;font-size:1.5rem;font-weight:800;box-shadow:0 10px 22px rgba(63,131,246,.22)}
.talk-control:hover .talk-pill{background:#4a8cff}
.talk-control[aria-pressed=true] .talk-pill{background:var(--blue-strong)}
.composer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin:8px 0 34px}
.composer input{width:100%;min-width:0;min-height:62px;padding:15px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface-soft);color:var(--ink);outline:none}
.composer input::placeholder{color:#8290b1}
.composer input:focus{border-color:#6b9cf6;box-shadow:0 0 0 3px rgba(107,156,246,.16)}
.send{min-width:92px;border:0;border-radius:14px;padding:0 20px;background:var(--blue);color:#fff;font-weight:800;cursor:pointer}
.send:hover{background:#4a8cff}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.conversation{border-top:1px solid var(--line);padding-top:16px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px}
.section-actions{display:flex;align-items:center;gap:16px}
h2{font-size:.92rem;letter-spacing:.13em;text-transform:uppercase;margin:0;color:#dbe4ff}
.link{border:0;background:transparent;text-decoration:underline;font:inherit;cursor:pointer;color:#aebada}
.transcript-details{margin-top:12px;border:1px solid var(--line);border-radius:12px;background:rgba(17,26,49,.7)}
.transcript-details summary{padding:13px 15px;cursor:pointer;color:#c4d0ef;font-weight:700;list-style-position:inside}
.transcript-details summary span{float:right;color:var(--muted);font-weight:500}
.transcript-details[open] summary{border-bottom:1px solid var(--line)}
#transcript{list-style:none;padding:14px;margin:0;display:grid;gap:10px;max-height:420px;overflow:auto}
.turn{padding:12px 14px;border-radius:12px;max-width:90%;line-height:1.45;white-space:pre-wrap}
.turn.user{background:#1a2a4c;margin-left:auto;color:#edf3ff}
.turn.assistant{background:#0d1529;border:1px solid #25365d;color:#e1e7f7}
.feedback-dialog{width:min(540px,calc(100% - 28px));border:1px solid #7699dd;border-radius:18px;padding:24px;background:var(--surface);color:var(--ink);box-shadow:0 24px 70px rgba(0,0,0,.45)}
.feedback-dialog::backdrop{background:rgba(2,6,16,.76);backdrop-filter:blur(2px)}
.feedback-dialog h2{margin:0 0 10px;color:var(--ink);font-size:1.25rem;letter-spacing:0;text-transform:none}
.feedback-copy{margin:0 0 18px;color:var(--muted);line-height:1.45}
.feedback-dialog label{display:block;margin-bottom:8px;color:#f0f4ff;font-weight:800}
.feedback-dialog textarea{display:block;width:100%;min-height:148px;resize:vertical;padding:12px 14px;border:2px solid #526da8;border-radius:12px;background:var(--surface-soft);color:var(--ink);line-height:1.45}
.feedback-dialog textarea:focus{border-color:#a8c3ff;outline:3px solid #9ec0ff;outline-offset:2px}
.feedback-status{min-height:1.3em;margin:10px 0 0;color:var(--muted);font-size:.9rem}
.feedback-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}
.feedback-actions .quiet,.feedback-actions .primary{width:auto}
.feedback-submit:disabled{cursor:wait;opacity:.65}
.workspace{margin-top:22px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted)}
.workspace summary{cursor:pointer;font-weight:700;color:#c4d0ef}
.workspace-fields{display:grid;grid-template-columns:1fr auto;gap:8px;padding-top:14px}
.workspace label{grid-column:1/-1;font-weight:700;color:#dbe4ff}
input{min-width:0;border:1px solid var(--line);border-radius:8px;padding:12px;font:inherit;background:var(--surface-soft);color:var(--ink)}
.quiet,.primary{border:1px solid var(--line);border-radius:8px;padding:12px 16px;font:inherit;font-weight:700;background:var(--surface-strong);color:var(--ink);text-decoration:none;cursor:pointer}
.hint{color:var(--muted);font-size:.9rem;margin-top:24px}
.login{display:grid;min-height:100vh;place-items:center}
.login-card{width:min(600px,calc(100% - 32px));padding:48px;border:1px solid var(--line);border-radius:28px;background:var(--surface)}
.login-card h1{font-size:clamp(3rem,8vw,5.5rem);letter-spacing:-.075em;line-height:.9;margin:0 0 16px}
.login-card>p:not(.eyebrow):not(.login-status){font-size:1.1rem;line-height:1.45}
.login-primary{display:block;width:min(320px,100%);margin:28px auto 0;border-color:var(--blue);background:var(--blue);color:#fff;text-align:center}
.login-primary:hover{border-color:#4a8cff;background:#4a8cff}
.login-primary:focus-visible{outline:3px solid #9ec0ff;outline-offset:3px}
.login-status{min-height:1.4em;color:var(--muted);font-size:.9rem;text-align:center}
.auth-complete-card{text-align:center}
.privacy{margin-top:28px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted)}
.privacy summary{cursor:pointer;font-weight:700;color:#c4d0ef}
.privacy p{line-height:1.5}
.check{display:flex;align-items:center;gap:8px;margin:14px 0}
.check input{min-width:auto}
.danger{border:1px solid #8b3d46;border-radius:8px;padding:10px 14px;font:inherit;font-weight:700;background:transparent;color:var(--danger);cursor:pointer}
.danger:hover{background:#8b3d46;color:white}
.integration{margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.integration h3{font-size:1rem;color:#dbe4ff}
.integration select{max-width:100%;padding:10px;margin:0 8px 8px 0;background:var(--surface-soft);color:var(--ink);border:1px solid var(--line);border-radius:8px}
.integration ul{padding-left:18px}
.token-once{display:block;overflow-wrap:anywhere;color:var(--ink);margin-top:12px}
.acceptance{margin-top:28px;border:1px solid var(--line);border-radius:16px;padding:16px;background:var(--surface)}
.acceptance summary{cursor:pointer;font-weight:800}
.acceptance summary span{float:right;color:var(--muted);font-weight:600;font-size:.86rem}
.acceptance-copy{color:var(--muted);line-height:1.45;font-size:.9rem}
.acceptance-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0}
.acceptance-card{border:1px solid var(--line);border-radius:12px;padding:11px;background:var(--surface-soft)}
.acceptance-card.pass{border-color:#397349;background:#12291f}
.acceptance-card strong,.acceptance-card small{display:block}
.acceptance-card strong{font-size:.92rem}
.acceptance-card small{color:var(--muted);margin-top:5px;line-height:1.35}
.acceptance-card progress{width:100%;height:8px;margin-top:9px;accent-color:var(--blue)}
.acceptance-card.pass progress{accent-color:#58b779}
.acceptance-refresh{width:auto}
.acceptance-error{color:var(--danger)}
.acceptance-all-pass{color:#70cf94}
@keyframes listening-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
@media(max-width:520px){
  .app{width:min(100% - 28px,760px);padding-top:24px}
  .hero-header h1{font-size:2.8rem}
  .subtitle{font-size:1.05rem}
  .mode-picker{margin-top:20px}
  .voice-hero{padding:30px 0 24px}
  .mic-disc{width:min(286px,74vw)}
  .talk-control{gap:18px}
  .voice-instruction{font-size:1.05rem}
  .talk-pill{min-width:194px;min-height:64px;font-size:1.35rem}
  .composer{grid-template-columns:minmax(0,1fr) 88px;margin-bottom:26px}
  .composer input{min-height:56px;padding:12px}
  .send{min-width:0;padding:0 12px}
  .workspace-fields{grid-template-columns:1fr}
  .section-head{align-items:flex-start}
  .section-actions{gap:10px}
  .quiet{width:100%}
  .login-card{padding:34px 14px}
  .acceptance summary span{float:none;display:block;margin-top:5px}
  .acceptance-grid{grid-template-columns:1fr}
  .acceptance-refresh{width:100%}
  .feedback-dialog{padding:22px 18px}
  .feedback-actions{flex-direction:column-reverse}
  .feedback-actions .quiet,.feedback-actions .primary{width:100%}
}
@media(max-width:380px) and (max-height:820px){
  .app{padding-top:18px}
  .hero-header h1{font-size:2.5rem}
  .mic-disc{width:248px}
  .voice-hero{padding-top:24px}
  .talk-pill{min-height:58px}
}
@media (prefers-contrast:more){
  .mode-picker{border-color:#b8d0ff;background:#08132a}
  .mode-picker select{border-color:#c8dcff;background:#0b1c3f}
  .mode-picker select:focus-visible{outline-color:#fff}
  .transcript-details,.conversation{border-color:#7894d2}
}