:root{--bg: #ffffff;--fg: #171717;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-800: #1f2937;--border: #e5e7eb;--ring: rgba(0, 0, 0, .08);--radius: 8px;--page-max: 920px}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:.9375rem;line-height:1.6;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--gray-500);text-decoration:none;font-size:.85rem;font-weight:500;transition:color .15s}a:hover{color:var(--fg)}a.back:before{content:"← ";opacity:.5}.page{width:100%;max-width:var(--page-max);margin:0 auto;padding:2rem 1.25rem 4rem;padding-top:clamp(2rem,8vh,4rem)}.site-header{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.25rem}.title-row{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap}.site-header h1{margin:0;font-size:1.65rem;font-weight:600;letter-spacing:-.02em}.badge{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-500);background:var(--gray-100);border:1px solid var(--border);padding:.2rem .45rem;border-radius:4px}.header-links{display:flex;gap:1.25rem;align-items:center}.lead{margin:0 0 1.5rem;color:var(--gray-500);font-size:.9rem;max-width:52ch}.lead code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8em;background:var(--gray-100);border:1px solid var(--border);padding:.1em .35em;border-radius:4px;color:var(--fg)}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:0 1px 2px var(--ring);margin-bottom:1rem}.card h2{margin:0 0 .75rem;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-500)}.toolbar{display:flex;flex-wrap:wrap;gap:.65rem;align-items:stretch}select,button,.file-input-label{font-family:inherit;font-size:.85rem;height:2.5rem;border-radius:6px}select{background:var(--bg);color:var(--fg);border:1px solid var(--border);padding:0 2rem 0 .75rem;max-width:min(100%,280px);box-shadow:0 1px 2px var(--ring);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;background-size:1em}select:focus{outline:none;border-color:var(--gray-400)}button{background:var(--fg);color:var(--bg);border:1px solid var(--fg);padding:0 1.1rem;font-weight:500;cursor:pointer;box-shadow:0 1px 2px var(--ring);transition:background .15s,border-color .15s,opacity .15s}button:hover:not(:disabled){background:var(--gray-800);border-color:var(--gray-800)}button.secondary{background:var(--bg);color:var(--fg);border-color:var(--border)}button.secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-300)}button:disabled,select:disabled{opacity:.5;cursor:not-allowed}input[type=file]{display:none}.file-input-label{display:inline-flex;align-items:center;gap:.45rem;padding:0 .85rem;border:1px dashed var(--gray-300);color:var(--gray-500);cursor:pointer;max-width:240px;min-width:0}.file-input-label:hover{border-color:var(--gray-400);color:var(--fg)}.file-input-label.has-file{border-style:solid;color:var(--fg)}.file-input-label span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-width:7rem;padding:.45rem .75rem;border:1px solid var(--border);border-radius:6px;background:var(--gray-50);color:var(--gray-500);font-size:.8rem;font-weight:500;margin-left:auto}.status-pill.speaking{border-color:#86efac;background:#f0fdf4;color:#166534}.grid-2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.9fr);gap:1rem}.panel{min-width:0}.panel h3{margin:0 0 .5rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--gray-500)}.transcript,.log-panel{height:min(62vh,560px);overflow:auto;margin:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--gray-50);padding:.85rem 1rem}.transcript{font-size:.95rem;line-height:1.55;background:var(--bg)}.log-panel{font:.75rem/1.5 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:var(--gray-500);white-space:pre-wrap}.utterance,.segment{padding:.65rem 0;border-bottom:1px solid var(--border)}.utterance:last-child,.segment:last-child{border-bottom:0}.meta,.time{display:block;margin-bottom:.25rem;font-size:.72rem;color:var(--gray-400);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.demo-hub-section{margin-bottom:2rem}.demo-hub-section:last-child{margin-bottom:0}.demo-hub-heading{margin:0 0 .35rem;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--gray-500)}.demo-hub-desc{margin:0 0 .85rem;font-size:.85rem;color:var(--gray-500);max-width:52ch}.examples-grid{display:grid;gap:.75rem}.example-card{display:block;padding:1.25rem 1.35rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);box-shadow:0 1px 2px var(--ring);color:inherit;text-decoration:none;position:relative;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}.example-card:hover,.example-card:focus-visible{background:var(--gray-50);border-color:var(--gray-300);box-shadow:0 2px 8px 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.15s}.example-card:hover:after,.example-card:focus-visible:after{transform:translate(2px,-50%);color:var(--fg)}.badge-opfs{color:var(--gray-800);background:var(--gray-100)}@media(max-width:800px){.grid-2{grid-template-columns:1fr}.transcript,.log-panel{height:300px}.status-pill{margin-left:0;width:100%}.site-header .title-row{width:100%}}