:root{color:#18212f;background:#f6f7f9;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px}button,select,textarea,input{font:inherit}.app-shell{min-height:100vh;padding:24px}.workspace{width:min(1320px,100%);margin:0 auto}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.eyebrow{margin:0 0 4px;color:#59677a;font-size:.82rem;font-weight:700;text-transform:uppercase}h1,h2{margin:0;letter-spacing:0}h1{font-size:clamp(1.7rem,2vw,2.35rem)}h2{font-size:1rem}.status-pill{display:flex;align-items:center;max-width:520px;min-height:40px;gap:8px;padding:9px 12px;border:1px solid #d8dee8;border-radius:8px;background:#fff;color:#465469;font-size:.92rem}.status-success{border-color:#b9dec7;color:#1d6a3a}.status-error{border-color:#f0b9b4;color:#a2352b}.status-loading{border-color:#b9cbed;color:#23589f}.tool-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}.editor-panel,.settings-panel{border:1px solid #dfe4ec;border-radius:8px;background:#fff;box-shadow:0 1px 2px #1118270d}.editor-panel{padding:18px}.settings-panel{display:grid;gap:16px;padding:18px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.counter{color:#59677a;font-size:.86rem;white-space:nowrap}.counter-error{color:#b7352a;font-weight:700}textarea{width:100%;min-height:520px;resize:vertical;border:1px solid #ccd4df;border-radius:8px;padding:14px;color:#18212f;background:#fbfcfe;line-height:1.5}textarea:focus,select:focus,input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #90b8ff;outline-offset:2px}label{display:grid;gap:7px;color:#334155;font-size:.92rem;font-weight:700}select{width:100%;min-height:42px;border:1px solid #ccd4df;border-radius:8px;padding:0 10px;background:#fff;color:#18212f}input[type=range]{width:100%;accent-color:#2563eb}input:disabled{cursor:not-allowed;opacity:.55}.mode-toggle{display:flex;align-items:center;gap:9px;margin-top:12px;font-weight:700}.mode-toggle input{width:18px;height:18px}.inline-warning{margin:10px 0 0;color:#9a5b00;font-size:.9rem;font-weight:700}.primary-action,.download-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;gap:8px;border-radius:8px;font-weight:800;text-decoration:none}.primary-action{border:0;background:#2563eb;color:#fff;cursor:pointer}.primary-action:disabled{cursor:wait;opacity:.72}.preview-block{display:grid;gap:12px;padding-top:16px;border-top:1px solid #e5eaf1}audio{width:100%}.download-link{border:1px solid #bdd2f8;background:#eef5ff;color:#1d4f9d}.empty-preview{min-height:92px;display:grid;place-items:center;border:1px dashed #c9d2de;border-radius:8px;color:#66758a;text-align:center;padding:14px}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.app-shell{padding:14px}.topbar{align-items:stretch;flex-direction:column}.status-pill{max-width:none}.tool-grid{grid-template-columns:1fr}textarea{min-height:360px}}