:root{--bg: #0a0a0a;--surface: #141414;--surface-alt: #1a1a1a;--border: rgba(255, 255, 255, .08);--text: #f0f0f0;--text-muted: rgba(255, 255, 255, .55);--accent: #4fc3f7;--accent-glow: rgba(79, 195, 247, .15);--success: #66bb6a;--warning: #ffa726;--danger: #ef5350;color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;min-height:100dvh;background:var(--bg);color:var(--text);overflow-x:hidden;-webkit-tap-highlight-color:transparent}.app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;padding:0;max-width:480px;margin:0 auto}.header{text-align:center;padding:1.25rem 1rem .75rem;background:var(--surface);border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;justify-content:center;gap:.5rem}.logo-icon{font-size:1.75rem}.logo h1{font-size:1.5rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,var(--accent),#81d4fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:.75rem;color:var(--text-muted);margin-top:.25rem;letter-spacing:.02em}.status-bar{display:flex;align-items:center;gap:.5rem;padding:.625rem 1rem;background:var(--surface-alt);border-bottom:1px solid var(--border);font-size:.85rem;font-weight:500}.state-icon{font-size:1.1rem}.status-capturing{background:#4fc3f714;color:var(--accent)}.status-processing{background:#ffa72614;color:var(--warning)}.status-speaking,.status-result{background:#66bb6a14;color:var(--success)}.status-error{background:#ef535014;color:var(--danger)}.viewport{position:relative;width:100%;aspect-ratio:4 / 3;background:#000;overflow:hidden;border-bottom:1px solid var(--border)}.camera-feed{width:100%;height:100%;object-fit:cover;display:none}.camera-feed.active{display:block}.hidden-canvas{display:none}.capture-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.scan-frame{width:80%;height:65%;border:2px solid var(--accent);border-radius:.5rem;box-shadow:0 0 0 9999px #00000073;animation:pulse-border 1.5s ease-in-out infinite}@keyframes pulse-border{0%,to{border-color:var(--accent);box-shadow:0 0 0 9999px #00000073,0 0 12px #4fc3f74d}50%{border-color:#81d4fa;box-shadow:0 0 0 9999px #00000073,0 0 20px #4fc3f780}}.capture-hint{margin-top:1rem;font-size:.85rem;color:var(--accent);background:#000000b3;padding:.35rem 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2.5rem;font-size:1.1rem;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 24px #4fc3f74d;letter-spacing:.08em}.start-btn:active{transform:scale(.96)}.start-icon{font-size:2.5rem}.status-msg{padding:.75rem 1rem;text-align:center;font-size:.85rem;color:var(--text-muted);background:var(--surface);border-bottom:1px solid var(--border)}.text-output{padding:1rem;background:var(--surface);border-bottom:1px solid var(--border)}.text-output h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);margin-bottom:.5rem}.text-content{background:var(--bg);border:1px solid var(--border);border-radius:.5rem;padding:1rem;font-size:.95rem;line-height:1.7;max-height:200px;overflow-y:auto;white-space:pre-wrap;word-break:break-word}.controls{display:flex;gap:.75rem;padding:1rem;justify-content:center}.ctrl-btn{display:flex;align-items:center;gap:.4rem;padding:.75rem 1.25rem;border:1px solid var(--border);border-radius:.625rem;background:var(--surface-alt);color:var(--text);font-size:.9rem;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s}.ctrl-btn:active{background:#ffffff14}.ctrl-speak{border-color:#66bb6a4d;color:var(--success)}.ctrl-capture{border-color:#4fc3f74d;color:var(--accent)}.ctrl-stop{border-color:#ef53504d;color:var(--danger)}.volume-guide{padding:1rem;background:var(--surface);border-top:1px solid var(--border);margin-top:auto}.volume-guide h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);margin-bottom:.75rem;text-align:center}.guide-items{display:flex;justify-content:center;gap:1.25rem}.guide-item{display:flex;flex-direction:column;align-items:center;gap:.35rem}.guide-key{display:inline-block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;font-weight:600;background:var(--bg);border:1px solid var(--border);padding:.35rem 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