:root{--bg-color:#0d0d0d;--bg-accent:#1a1a1a;--text-primary:#fff;--text-secondary:#a0a0a0;--glass-bg:#ffffff0d;--glass-border:#ffffff1a;--primary-color:#ff3b30;--primary-hover:#ff453a;--secondary-color:#0a84ff;--secondary-hover:#148eff;--radius:16px;--blur:20px}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}#root{flex-direction:column;flex:1;display:flex}.bg-gradient{background:radial-gradient(circle at 50% 50%, #14141e, var(--bg-color) 70%);z-index:-1;width:200%;height:200%;animation:15s ease-in-out infinite alternate pulse;position:fixed;top:-50%;left:-50%}@keyframes pulse{0%{transform:scale(1)}to{transform:scale(1.1)}}.container{box-sizing:border-box;flex-direction:column;flex:1;gap:2rem;width:100%;max-width:600px;margin:0 auto;padding:2rem 1rem;display:flex}.header{text-align:center;margin-bottom:1rem}.header h1{background:linear-gradient(135deg,#fff 0%,#aaa 100%);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;margin:0;font-size:2.5rem;font-weight:700}.header p{color:var(--text-secondary);margin-top:.5rem}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--blur));border:1px solid var(--glass-border);border-radius:var(--radius);padding:1.5rem;transition:transform .3s,box-shadow .3s;box-shadow:0 8px 32px #0000004d}.controls-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.btn{appearance:none;cursor:pointer;color:#fff;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-record{background:var(--primary-color);box-shadow:0 4px 15px #ff3b304d}.btn-record:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 6px 20px #ff3b3066}.btn-record.recording{animation:2s infinite pulse-red}@keyframes pulse-red{0%{box-shadow:0 0 #ff3b30b3}70%{box-shadow:0 0 0 15px #ff3b3000}to{box-shadow:0 0 #ff3b3000}}.btn-upload{background:var(--secondary-color);box-shadow:0 4px 15px #0a84ff4d}.btn-upload:hover:not(:disabled){background:var(--secondary-hover);box-shadow:0 6px 20px #0a84ff66}.visualizer-container{border-radius:var(--radius);border:1px solid var(--glass-border);background:#0000004d;width:100%;height:120px;margin-top:1.5rem;position:relative;overflow:hidden}.visualizer-canvas{width:100%;height:100%;display:block}.timer-display{font-variant-numeric:tabular-nums;text-align:center;color:var(--text-primary);margin:1rem 0;font-family:inherit;font-size:2rem;font-weight:300}.hidden-input{display:none}.status-text{text-align:center;color:var(--text-secondary);min-height:1.5em;margin-top:1rem;font-size:.9rem}.status-text.processing{color:var(--secondary-color);animation:1.5s infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:.5}}.recent-list{flex-direction:column;gap:.5rem;margin-top:2rem;display:flex}.recent-item{background:var(--bg-accent);border:1px solid var(--glass-border);border-radius:8px;justify-content:space-between;align-items:center;padding:1rem;font-size:.9rem;display:flex}