.app{min-height:100vh;padding:28px;background:linear-gradient(135deg,#f4f0eaf0,#e2e8f0e6),radial-gradient(circle at top left,rgba(20,184,166,.18),transparent 34%),radial-gradient(circle at bottom right,rgba(234,88,12,.14),transparent 30%)}.workbench{width:min(1180px,100%);min-height:calc(100vh - 56px);margin:0 auto;display:grid;grid-template-rows:auto 150px 1fr auto;gap:18px}.topbar,.controls,.panel{border:1px solid rgba(29,35,39,.12);background:#ffffffc7;box-shadow:0 20px 60px #1d232714;backdrop-filter:blur(16px)}.topbar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-radius:8px}.brand{display:flex;align-items:center;gap:14px;min-width:0}.brand-mark{width:48px;height:48px;display:grid;place-items:center;flex:0 0 auto;border-radius:8px;color:#fff;background:linear-gradient(135deg,#0f766e,#ea580c)}h1{margin:0;color:#111827;font-size:clamp(1.25rem,3vw,2rem);line-height:1.1;letter-spacing:0}.brand p{margin:5px 0 0;color:#5b6470;font-size:.94rem}.status{min-height:38px;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;color:#26313a;background:#eef2f7;white-space:nowrap}.status-error{color:#8f1d1d;background:#fee2e2}.status-speaking{color:#0f5f55;background:#d9f7ef}.visual{min-height:150px;display:flex;align-items:center;gap:6px;padding:16px 18px;overflow:hidden;border-radius:8px;background:linear-gradient(90deg,#111827e6,#232b34e0),linear-gradient(135deg,#0f766e,#ea580c)}.visual span{width:100%;min-width:4px;max-width:14px;border-radius:999px;background:linear-gradient(180deg,#fef3c7,#14b8a6 58%,#38bdf8);opacity:.9;transform-origin:center}.editor-grid{min-height:360px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.panel{min-width:0;display:grid;grid-template-rows:auto 1fr;border-radius:8px;overflow:hidden}.panel-title{min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;color:#111827;border-bottom:1px solid rgba(29,35,39,.1);font-weight:700}.format-label{color:#6b7280;font-size:.84rem;font-weight:500}textarea{width:100%;min-height:280px;resize:none;padding:16px;border:0;outline:0;color:#111827;background:#ffffff80;line-height:1.7}.output-panel textarea{color:#0f5f55;background:#f0fdfa85}.controls{min-height:94px;display:grid;grid-template-columns:minmax(170px,240px) minmax(220px,1fr) auto;align-items:center;gap:18px;padding:18px;border-radius:8px}.field{display:grid;gap:8px;color:#4b5563;font-size:.88rem;font-weight:700}select,input[type=range]{width:100%}select{min-height:42px;padding:0 38px 0 12px;border:2px solid #cbd5e1;border-radius:8px;color:#111827;background:#fff}input[type=range]{accent-color:#0f766e}button{border:0;cursor:pointer}button:disabled,select:disabled,textarea:disabled,input:disabled{cursor:not-allowed;opacity:.58}.icon-button{width:36px;height:36px;display:grid;place-items:center;border-radius:8px;color:#0f766e;background:#e2f7f2}.play-button{min-width:138px;min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:0 22px;border-radius:8px;color:#fff;background:#111827;font-weight:800}.action-buttons{display:flex;align-items:center;justify-content:flex-end;gap:10px}.download-button{min-width:104px;min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 18px;border:1px solid rgba(15,118,110,.28);border-radius:8px;color:#0f5f55;background:#e2f7f2;font-weight:800}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:820px){.app{padding:14px}.workbench{min-height:calc(100vh - 28px);grid-template-rows:auto 120px auto auto}.topbar,.controls,.editor-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.status{width:100%;justify-content:center;white-space:normal}.visual{min-height:120px;gap:4px}.editor-grid{min-height:auto}textarea{min-height:210px}.controls{min-height:auto}.play-button{width:100%}.action-buttons{width:100%;grid-template-columns:1fr 1fr;display:grid}.download-button{width:100%}}:root{color:#1d2327;background:#f4f0ea;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select,textarea{font:inherit}