:root{--accent:#7c3aed;--accent-hover:#6d28d9;--accent-ring:#7c3aed33;--accent-bg:#7c3aed14;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--bg:#fff;--card-bg:#fff;--border:#e2e8f0;--success:#10b981;--success-bg:#ecfdf5;--success-border:#a7f3d0;--error:#dc2626;--error-bg:#fef2f2;--error-border:#fecaca;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -1px #0000000a;--sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;font-family:var(--sans);color:var(--text-primary);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8fafc;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--accent:#a855f7;--accent-hover:#9333ea;--accent-ring:#a855f74d;--accent-bg:#a855f71f;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#64748b;--bg:#0f172a;--card-bg:#1e293b;--border:#334155;--success:#34d399;--success-bg:#34d3991a;--success-border:#34d39933;--error:#f87171;--error-bg:#f871711a;--error-border:#f8717133;--shadow-sm:0 1px 3px #0000004d, 0 1px 2px #0003;--shadow-md:0 4px 6px -1px #0006, 0 2px 4px -1px #0003;background:#020617}}*,:before,:after{box-sizing:border-box}body{margin:0;padding:0}#root{min-height:100vh}h1,h2,h3,h4,h5,h6,p{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}kbd{font-family:inherit}.app{flex-direction:column;min-height:100vh;transition:margin .3s cubic-bezier(.4,0,.2,1);display:flex}.sidebar{background:var(--card-bg);border-right:1px solid var(--border);z-index:100;flex-direction:column;width:340px;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.app--sidebar-open .sidebar{transform:translate(0)}.app--sidebar-open .main,.app--sidebar-open .header,.app--sidebar-open .footer{margin-left:340px}.overlay{z-index:99;opacity:0;pointer-events:none;background:#0000004d;transition:opacity .3s;position:fixed;inset:0}.app--sidebar-open .overlay{opacity:1;pointer-events:auto}.sidebar-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.sidebar-title{color:var(--text-primary);font-size:16px;font-weight:600}.sidebar-close{width:32px;height:32px;color:var(--text-tertiary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:all .15s;display:flex}.sidebar-close:hover{background:var(--accent-bg);color:var(--accent)}.sidebar-search{padding:12px 20px;position:relative}.sidebar-search svg{color:var(--text-tertiary);pointer-events:none;position:absolute;top:50%;left:28px;transform:translateY(-50%)}.sidebar-search-input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text-primary);border-radius:8px;outline:none;padding:8px 12px 8px 36px;font-family:inherit;font-size:13px;transition:border-color .15s}.sidebar-search-input:focus{border-color:var(--accent)}.sidebar-list{flex:1;padding:8px 12px;overflow-y:auto}.sidebar-empty{color:var(--text-tertiary);text-align:center;flex-direction:column;align-items:center;gap:8px;padding:48px 20px;font-size:13px;display:flex}.sidebar-empty svg{opacity:.4}.sidebar-item{cursor:pointer;border:1px solid #0000;border-radius:10px;margin-bottom:4px;padding:12px;transition:all .15s}.sidebar-item:hover{background:var(--accent-bg)}.sidebar-item--active{background:var(--accent-bg);border-color:var(--accent)}.sidebar-item-top{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.sidebar-item-voice{color:var(--accent);text-transform:uppercase;letter-spacing:.3px;font-size:11px;font-weight:600}.sidebar-item-time{color:var(--text-tertiary);font-size:11px}.sidebar-item-text{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:6px;font-size:13px;line-height:1.4;display:-webkit-box;overflow:hidden}.sidebar-item-bottom{justify-content:space-between;align-items:center;display:flex}.sidebar-item-chars{color:var(--text-tertiary);font-size:11px}.sidebar-item-delete{width:26px;height:26px;color:var(--text-tertiary);cursor:pointer;opacity:0;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;transition:all .15s;display:flex}.sidebar-item:hover .sidebar-item-delete{opacity:1}.sidebar-item-delete:hover{background:var(--error-bg);color:var(--error)}.header{z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:margin .3s cubic-bezier(.4,0,.2,1);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:800px;height:56px;margin:0 auto;padding:0 24px;display:flex}.header-left{align-items:center;gap:12px;display:flex}.history-toggle{border:1px solid var(--border);background:var(--bg);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;transition:all .15s;display:flex;position:relative}.history-toggle:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.history-badge{background:var(--accent);color:#fff;border-radius:9px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 4px;font-size:10px;font-weight:700;display:flex;position:absolute;top:-4px;right:-4px}.history-badge:after{content:attr(data-count)}.logo{align-items:center;gap:10px;display:flex}.logo-text{color:var(--text-primary);font-size:18px;font-weight:600}.header-right{align-items:center;gap:8px;display:flex}.header-badge{background:var(--accent-bg);color:var(--accent);border-radius:6px;padding:3px 10px;font-size:11px;font-weight:600}.main{box-sizing:border-box;flex:1;width:100%;max-width:800px;margin:0 auto;padding:48px 24px 24px;transition:margin .3s cubic-bezier(.4,0,.2,1)}.hero{text-align:center;margin-bottom:40px}.hero-title{letter-spacing:-1.2px;color:var(--text-primary);margin:0 0 12px;font-size:40px;font-weight:700;line-height:1.1}.hero-subtitle{color:var(--text-secondary);max-width:520px;margin:0 auto;font-size:16px;line-height:1.6}.card{background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:16px;padding:28px}.card-section{margin-bottom:20px}.card-section:last-of-type{margin-bottom:0}.label{color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:13px;font-weight:600;display:block}.label-row{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.label-row .label{margin-bottom:0}.char-count{color:var(--text-tertiary);font-variant-numeric:tabular-nums;font-size:12px}.select-wrapper{position:relative}.select{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text-primary);appearance:none;cursor:pointer;border-radius:10px;padding:10px 40px 10px 14px;font-family:inherit;font-size:15px;transition:border-color .15s,box-shadow .15s}.select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring);outline:none}.select:disabled{opacity:.6;cursor:not-allowed}.select-chevron{pointer-events:none;color:var(--text-tertiary);position:absolute;top:50%;right:14px;transform:translateY(-50%)}.textarea{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text-primary);resize:vertical;box-sizing:border-box;border-radius:10px;min-height:120px;padding:14px;font-family:inherit;font-size:15px;line-height:1.6;transition:border-color .15s,box-shadow .15s}.textarea::placeholder{color:var(--text-tertiary)}.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring);outline:none}.textarea:disabled{opacity:.6;cursor:not-allowed}.error-banner{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error);border-radius:10px;align-items:center;gap:10px;margin-bottom:16px;padding:12px 16px;font-size:14px;display:flex}.error-banner svg{flex-shrink:0}.progress-bar{background:var(--accent-bg);border-radius:14px;height:28px;margin-bottom:16px;position:relative;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent), #a855f7);border-radius:14px;min-width:0;height:100%;transition:width .3s}.progress-label{color:var(--text-primary);justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex;position:absolute;inset:0}.btn{cursor:pointer;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px 24px;font-family:inherit;font-size:15px;font-weight:600;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn--primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn--primary:active:not(:disabled){transform:scale(.98)}.btn--loading{pointer-events:none}.btn--secondary{background:var(--bg);color:var(--text-primary);border-color:var(--border)}.btn--secondary:hover:not(:disabled){background:var(--accent-bg);border-color:var(--accent);color:var(--accent)}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.hint{text-align:center;color:var(--text-tertiary);margin:12px 0 0;font-size:12px}.hint kbd{background:var(--accent-bg);border:1px solid var(--border);color:var(--text-secondary);border-radius:4px;padding:1px 5px;font-family:inherit;font-size:11px;display:inline-block}.result-card{margin-top:16px}.result-header{color:var(--text-primary);align-items:center;gap:8px;margin-bottom:16px;font-size:14px;font-weight:600;display:flex}.audio-player{border-radius:8px;width:100%;height:48px}.audio-player::-webkit-media-controls-panel{background:var(--bg)}.result-actions{margin-top:16px}.footer{text-align:center;color:var(--text-tertiary);padding:32px 24px;font-size:13px;transition:margin .3s cubic-bezier(.4,0,.2,1)}.footer a{color:var(--accent);text-decoration:none}.footer a:hover{text-decoration:underline}@media (width<=768px){.sidebar{width:300px}.app--sidebar-open .main,.app--sidebar-open .header,.app--sidebar-open .footer{margin-left:0}}@media (width<=640px){.hero-title{font-size:28px}.hero-subtitle{font-size:14px}.card{padding:20px}.main{padding-top:32px}.header-inner{padding:0 16px}.main{padding-left:16px;padding-right:16px}}