:root{--bg: #0f172a;--bg-card: #1e293b;--bg-hover: #273549;--border: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--accent: #a78bfa;--accent-dark: #7c3aed;--danger: #ef4444;--danger-dark: #b91c1c;--success: #4ade80;--listening: #f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;min-height:100dvh;display:flex;flex-direction:column}#app{max-width:760px;width:100%;margin:0 auto;padding:1.5rem 1rem 4rem;display:flex;flex-direction:column;gap:1.5rem}.app-header{text-align:center;padding:2rem 0 1rem}.app-title{font-size:2rem;font-weight:800;letter-spacing:-.02em;color:var(--accent);text-shadow:0 0 24px rgba(167,139,250,.4);display:flex;align-items:center;justify-content:center;gap:.5rem}.mic-icon{display:inline-block;transition:transform .2s}.mic-icon.pulse{animation:pulse-anim 1s ease-in-out infinite}@keyframes pulse-anim{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}}.app-desc{color:var(--text-muted);font-size:.85rem;margin-top:.4rem}.controls{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.75rem}.control-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.lang-select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.5rem .75rem;font-size:.875rem;cursor:pointer}.toggle-label{display:flex;align-items:center;gap:.4rem;font-size:.875rem;color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-label input[type=checkbox]{accent-color:var(--accent);width:1rem;height:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1.25rem;border:none;border-radius:8px;font-size:.9rem;font-weight:700;cursor:pointer;transition:background .15s,transform .1s;letter-spacing:.04em}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-start{background:var(--accent-dark);color:#fff;margin-left:auto}.btn-start:hover:not(:disabled){background:var(--accent)}.btn-stop{background:var(--listening);color:#000;margin-left:auto;animation:blink 1.2s ease-in-out infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.7}}.btn-sm{padding:.3rem .75rem;font-size:.8rem;background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.btn-sm:hover{background:var(--border)}.btn-danger{background:var(--danger-dark);color:#fff;border-color:transparent}.btn-danger:hover{background:var(--danger)}.status-row{min-height:1.5rem}.status-text{font-size:.8rem;font-weight:600;letter-spacing:.05em}.status-idle{color:var(--text-muted)}.status-listening{color:var(--listening)}.status-error{color:var(--danger)}.interim-section{min-height:3rem}.interim-text{color:var(--text-muted);font-size:1rem;font-style:italic;border-left:3px solid var(--accent-dark);padding:.5rem .25rem .5rem .75rem;min-height:1.5rem;transition:opacity .2s}.transcript-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.transcript-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--border)}.section-label{font-size:.8rem;font-weight:600;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase}.transcript-actions{display:flex;gap:.5rem}.transcript-area{width:100%;min-height:220px;background:transparent;color:var(--text);border:none;padding:1rem;font-size:.95rem;line-height:1.7;resize:vertical;font-family:inherit}.transcript-area:focus{outline:none}.transcript-area::placeholder{color:var(--border)}.toast{position:fixed;bottom:2rem;left:50%;transform:translate(-50%) translateY(100px);background:var(--bg-card);color:var(--text);border:1px solid var(--border);padding:.6rem 1.25rem;border-radius:999px;font-size:.875rem;font-weight:600;opacity:0;transition:transform .25s ease,opacity .25s ease;pointer-events:none;white-space:nowrap;z-index:100}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.toast.toast-success{border-color:var(--success);color:var(--success)}.toast.toast-error{border-color:var(--danger);color:var(--danger)}