:root{--bg-deep: #060a12;--bg-primary: #0a0f1a;--bg-card: rgba(12, 18, 32, .85);--bg-card-hover: rgba(16, 24, 42, .92);--glass-border: rgba(255,255,255,.06);--glass-glow: rgba(0,200,255,.06);--accent: #00c8ff;--accent2: #00ffa3;--accent-dim: rgba(0,200,255,.15);--danger: #ff4757;--text: rgba(255,255,255,.92);--text2: rgba(255,255,255,.55);--text3: rgba(255,255,255,.28);--radius: 18px;--radius-sm: 12px;--ease: cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,sans-serif;background:var(--bg-deep);color:var(--text);min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 60% 50% at 20% 10%,rgba(0,200,255,.07),transparent),radial-gradient(ellipse 50% 40% at 80% 80%,rgba(0,255,163,.05),transparent),radial-gradient(ellipse 80% 60% at 50% 50%,rgba(10,15,26,1),transparent);pointer-events:none;z-index:0}#app{position:relative;z-index:1;max-width:480px;margin:0 auto;padding:0 16px 120px}#app-header{padding:20px 0 8px;display:flex;align-items:center}.logo{display:flex;align-items:center;gap:10px}.logo-icon{width:36px;height:36px}.logo-text-group{display:flex;flex-direction:column;line-height:1}.logo-text{font-size:18px;font-weight:700;letter-spacing:3px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-sub{font-size:10px;font-weight:500;letter-spacing:5px;color:var(--text3);margin-top:1px}#tab-bar{display:flex;gap:4px;background:var(--bg-card);border:1px solid var(--glass-border);border-radius:14px;padding:4px;margin:12px 0 20px}.tab{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 0;border:none;border-radius:10px;background:transparent;color:var(--text3);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:all .25s var(--ease)}.tab svg{width:18px;height:18px}.tab.active{background:#00c8ff1a;color:var(--accent);box-shadow:0 0 20px #00c8ff14}.tab:not(.active):hover{color:var(--text2)}.view{display:none;flex-direction:column;gap:14px}.view.active{display:flex}.card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius);padding:18px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:border-color .3s var(--ease)}.card:hover{border-color:#ffffff1a}.card-label{display:block;font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--text3);margin-bottom:10px}#drop-zone{border:2px dashed rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:36px 20px;text-align:center;cursor:pointer;transition:all .3s var(--ease)}#drop-zone:hover,#drop-zone.dragover{border-color:var(--accent);background:var(--accent-dim)}.drop-icon{margin-bottom:8px}.drop-icon svg{width:48px;height:48px;color:var(--accent);opacity:.5}.drop-title{font-size:15px;font-weight:500;color:var(--text2)}.drop-sub{font-size:12px;color:var(--text3);margin-top:4px}#audio-info.hidden{display:none}.audio-meta-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.audio-meta{display:flex;flex-direction:column;gap:2px}.audio-filename{font-size:14px;font-weight:500;color:var(--text);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-dur{font-size:12px;color:var(--text3);font-family:JetBrains Mono,monospace}.audio-actions{display:flex;gap:6px}.btn-icon{width:34px;height:34px;border-radius:10px;border:1px solid var(--glass-border);background:#ffffff0a;color:var(--text2);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s var(--ease)}.btn-icon:hover{background:#ffffff14;color:var(--text)}.btn-icon.danger:hover{background:#ff475726;color:var(--danger)}#waveform-canvas{width:100%;border-radius:8px;background:#00000040}textarea{width:100%;padding:12px 14px;background:#0000004d;border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text);font-family:JetBrains Mono,monospace;font-size:14px;line-height:1.5;resize:vertical;outline:none;transition:border-color .2s}textarea:focus{border-color:var(--accent)}textarea::placeholder{color:var(--text3)}.input-footer{display:flex;justify-content:space-between;margin-top:8px;font-size:11px;color:var(--text3);font-family:JetBrains Mono,monospace}.slider-row{display:flex;align-items:center;gap:10px}.slider-label{font-size:11px;color:var(--text3);white-space:nowrap}input[type=range]{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent2));outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px #00c8ff66;cursor:pointer}.stealth-footer{display:flex;justify-content:space-between;margin-top:8px;font-size:12px}#stealth-val{font-family:JetBrains Mono,monospace;color:var(--accent);font-weight:500}#stealth-desc{color:var(--text3)}.btn-primary{width:100%;padding:16px;border:none;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--accent),#0090cc);color:#fff;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;position:relative;overflow:hidden;transition:all .3s var(--ease);display:flex;align-items:center;justify-content:center;gap:8px}.btn-primary:hover:not(:disabled){box-shadow:0 4px 30px #00c8ff4d;transform:translateY(-1px)}.btn-primary:disabled{opacity:.35;cursor:not-allowed}.btn-primary:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transform:translate(-100%)}.btn-primary:hover:not(:disabled):after{animation:shimmer 1.5s infinite}@keyframes shimmer{to{transform:translate(100%)}}.btn-listen{background:linear-gradient(135deg,#00ffa3,#00cc82)}.btn-listen.active{background:linear-gradient(135deg,var(--danger),#cc2233)}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.spinner.hidden{display:none}@keyframes spin{to{transform:rotate(360deg)}}.listen-card{display:flex;flex-direction:column;align-items:center;padding:24px}#viz-canvas{width:280px;height:280px;border-radius:50%}.status-badge{margin-top:14px;padding:6px 18px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px;background:#00c8ff1a;color:var(--accent);border:1px solid rgba(0,200,255,.15);transition:all .3s}.status-badge.synced{background:#00ffa31a;color:var(--accent2);border-color:#00ffa333}.status-badge.done{background:#00ffa326;color:var(--accent2);animation:pulse-glow 1.5s ease infinite}.status-badge.error{background:#ff47571a;color:var(--danger);border-color:#ff475733}@keyframes pulse-glow{0%,to{box-shadow:0 0 8px #00ffa31a}50%{box-shadow:0 0 20px #00ffa340}}.decoded-card{min-height:100px}.decoded-output{font-family:JetBrains Mono,monospace;font-size:18px;line-height:1.6;color:var(--accent2);min-height:48px;word-break:break-word}.cursor{animation:blink .8s step-end infinite;color:var(--accent)}@keyframes blink{50%{opacity:0}}.decoded-output .verified{color:var(--accent2)}.test-card textarea{margin-bottom:10px}.btn-test{background:linear-gradient(135deg,#ff9f43,#ee5a24);margin-bottom:8px}.btn-test.playing{background:linear-gradient(135deg,var(--danger),#cc2233)}.test-hint{font-size:11px;color:var(--text3);text-align:center;line-height:1.4}@media (max-width: 400px){#app{padding:0 10px 120px}.card{padding:14px}#drop-zone{padding:28px 14px}}