:root{--color-bg:#000;--color-text-primary:#ffffffa6;--color-text-secondary:#fff6;--color-text-dim:#ffffff40;--color-border:#ffffff1f;--color-surface:#ffffff0d;--color-surface-active:#ffffff26;--color-highlight:#ffffffd9;--font-family:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--max-width:440px}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;height:100%;font-size:16px;overflow-x:hidden}#root{background-color:#000;justify-content:center;align-items:center;height:100%;display:flex}.app-container{width:100%;max-width:var(--max-width);border-left:1px solid var(--color-border);border-right:1px solid var(--color-border);background-color:var(--color-bg);flex-direction:column;justify-content:space-between;min-height:100vh;padding:2.5rem 1.5rem 1.5rem;display:flex}@media (height<=700px){.app-container{height:100%;min-height:auto;padding:1.5rem}}.app-header{text-align:center;margin-bottom:2rem}.app-title{letter-spacing:.5rem;color:var(--color-text-primary);flex-direction:column;align-items:center;gap:.3rem;margin-bottom:.8rem;font-size:1.8rem;font-weight:300;display:flex}.app-subtitle{letter-spacing:.1rem;color:var(--color-text-secondary);font-size:.85rem;font-weight:300}.app-main{flex-direction:column;flex:1;justify-content:center;gap:2rem;display:flex}.section{flex-direction:column;gap:.85rem;display:flex}.section-title{text-transform:uppercase;letter-spacing:.15rem;color:var(--color-text-secondary);border-bottom:1px solid var(--color-border);padding-bottom:.4rem;font-size:.75rem;font-weight:400}.track-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.track-btn{background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);font-family:var(--font-family);cursor:pointer;border-radius:4px;flex-direction:column;align-items:center;gap:.5rem;padding:1.25rem .5rem;transition:none;display:flex}.track-btn:hover:not(:disabled){border-color:var(--color-text-secondary)}.track-btn.active{background-color:var(--color-surface-active);border-color:var(--color-highlight);color:var(--color-highlight)}.track-btn:disabled{opacity:.4;cursor:not-allowed}.track-name{letter-spacing:.02rem;text-align:center;font-size:.85rem;font-weight:400}.play-indicator{text-transform:uppercase;letter-spacing:.05rem;opacity:.8;font-size:.65rem}.playback-controls{grid-template-columns:2fr 1fr;gap:.75rem;display:grid}.control-btn{background-color:var(--color-surface);border:1px solid var(--color-border);letter-spacing:.1rem;color:var(--color-text-primary);font-size:.95rem;font-weight:500;font-family:var(--font-family);cursor:pointer;border-radius:4px;padding:1rem .5rem}.control-btn:hover:not(:disabled){border-color:var(--color-text-secondary)}.control-btn.playing{background-color:var(--color-surface-active);border-color:var(--color-highlight);color:var(--color-highlight)}.control-btn:disabled{opacity:.3;cursor:not-allowed}.stop-btn{color:var(--color-text-secondary)}.volume-container{flex-direction:column;gap:.5rem;margin-top:.5rem;display:flex}.volume-label-row{color:var(--color-text-secondary);justify-content:space-between;font-size:.8rem;display:flex}.volume-slider{-webkit-appearance:none;background:var(--color-border);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--color-text-primary);cursor:pointer;border:1px solid var(--color-bg);border-radius:50%;width:16px;height:16px}.volume-slider::-moz-range-thumb{background:var(--color-text-primary);cursor:pointer;border:1px solid var(--color-bg);border-radius:50%;width:16px;height:16px}.timer-status{text-align:center;padding:.5rem 0}.timer-countdown{color:var(--color-text-secondary);letter-spacing:.05rem;font-size:1.1rem;font-weight:300}.timer-countdown.inactive{color:var(--color-text-dim);font-size:.85rem}.timer-countdown .highlight{color:var(--color-highlight);font-weight:500}.timer-presets{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.preset-btn{background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-primary);font-size:.85rem;font-family:var(--font-family);cursor:pointer;border-radius:4px;padding:.65rem .5rem}.preset-btn:hover{border-color:var(--color-text-secondary)}.custom-timer-form{grid-template-columns:2fr 1fr;gap:.75rem;display:grid}.custom-timer-input{background-color:var(--color-bg);border:1px solid var(--color-border);color:var(--color-text-primary);font-size:.85rem;font-family:var(--font-family);text-align:center;border-radius:4px;outline:none;padding:.65rem .75rem}.custom-timer-input:focus{border-color:var(--color-text-secondary)}.custom-timer-btn{background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-primary);font-size:.85rem;font-family:var(--font-family);cursor:pointer;border-radius:4px;padding:.65rem .5rem}.custom-timer-btn:hover{border-color:var(--color-text-secondary)}.clear-timer-btn{color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.05rem;cursor:pointer;background-color:#0000;border:none;align-self:center;font-size:.75rem;text-decoration:underline}.clear-timer-btn:hover{color:var(--color-text-secondary)}.app-footer{text-align:center;border-top:1px solid var(--color-border);flex-direction:column;gap:.4rem;margin-top:2rem;padding-top:1.25rem;display:flex}.footer-status{color:var(--color-text-primary);letter-spacing:.05rem;font-size:.8rem;font-weight:300}.footer-meta{color:var(--color-text-dim);letter-spacing:.05rem;text-transform:uppercase;font-size:.65rem}