:root{--color-bg:#000;--color-panel:#0d0d0d;--color-border:#222;--color-primary:#4b8dcb;--color-secondary:#cbe2f6;--color-text:#f5f7fa;--color-muted:#9aa4b2;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--color-bg);color:var(--color-text);margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif}.site{flex-direction:column;min-height:100%;display:flex}.site-bar{background:var(--color-primary);height:43px}.site-header{border-bottom:1px solid var(--color-border);background:#000;justify-content:center;align-items:center;padding:24px 16px;display:flex;position:relative}.site-logo{width:60%;max-width:340px;height:auto}.app-shell{flex:1;width:100%;max-width:640px;margin:0 auto;padding:24px 16px 64px}.app-header h1{color:var(--color-secondary);margin:0;font-size:1.6rem}.site-footer{background:var(--color-primary);color:#fff;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;padding:18px 16px;font-size:.9rem;display:flex}.site-footer-divider{opacity:.6}.link-btn{color:#fff;cursor:pointer;background:0 0;border:none;padding:0;font-size:.9rem;text-decoration:underline}.link-btn:hover{opacity:.8}.modal-overlay{z-index:100;background:#000000b3;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-box{background:var(--color-panel);border:1px solid var(--color-border);border-radius:12px;width:100%;max-width:560px;max-height:80vh;padding:20px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.modal-header h2{color:var(--color-secondary);margin:0}.modal-close{color:var(--color-text);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:1.5rem;line-height:1}.modal-body p{color:var(--color-text);line-height:1.5}.modal-body h3{color:var(--color-secondary);margin:20px 0 4px;font-size:1rem}.modal-body h3+p{margin-top:0}.login-row{align-items:center;gap:8px;display:flex}.panel{background:var(--color-panel);border:1px solid var(--color-border);border-radius:18px;margin-bottom:20px;padding:20px}.panel h2{color:var(--color-secondary);margin:0 0 16px;font-size:1.3rem;font-weight:600}.intro-text{color:var(--color-text);margin-bottom:24px}.intro-text h2{color:var(--color-secondary);margin:0 0 8px;font-size:1.2rem}.intro-text p{margin:0 0 12px;line-height:1.5}.intro-text ul{margin:0 0 12px;padding-left:20px;line-height:1.5}.intro-text li{margin-bottom:6px}.intro-signature{color:var(--color-muted);font-style:italic}.timer-display{text-align:center;border:1px solid var(--color-border);background:radial-gradient(circle at top,#4b8dcb26,#0000 70%);border-radius:16px;margin-bottom:24px;padding:32px 16px}.timer-segment-label{letter-spacing:.05em;text-transform:uppercase;color:var(--color-primary);margin-bottom:8px;font-size:1.4rem}.timer-seconds{color:var(--color-secondary);font-size:5rem;font-weight:700;line-height:1}.timer-total-remaining{color:var(--color-muted);margin-top:12px;font-size:.9rem}.timer-playlist-remaining{color:var(--color-secondary);letter-spacing:.03em;margin-top:4px;font-size:.85rem}.swipe-area.is-swipeable{touch-action:pan-y}.slide-in-left,.slide-in-right{animation:.22s ease-out slide-in}.slide-in-right{--slide-from:-22px}@keyframes slide-in{0%{opacity:.3;transform:translateX(var(--slide-from,22px))}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion:reduce){.slide-in-left,.slide-in-right{animation:none}}.preset-swiper-hint{text-align:center;color:var(--color-muted);margin:10px 0 0;font-size:.8rem}.segment-builder{flex-direction:column;gap:10px;display:flex}input[type=text],input[type=number],input[type=email],input[type=file],select{border:1px 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env(safe-area-inset-bottom));z-index:200;background:#000000eb;justify-content:center;align-items:center;display:flex;position:fixed;inset:0;overflow-y:auto}.session-modal{background:var(--color-panel);border:1px solid var(--color-border);border-radius:16px;width:100%;max-width:440px;padding:20px;box-shadow:0 24px 60px #0009}.session-modal .timer-display{border:none;margin-bottom:16px;padding:24px 8px}.session-get-ready{text-align:center;margin-bottom:16px;padding:24px 8px}.session-get-ready .timer-segment-label{margin-bottom:0;animation:2.4s ease-in-out infinite get-ready-pulse}@keyframes get-ready-pulse{0%,to{opacity:.55}50%{opacity:1}}.session-complete{text-align:center;color:var(--color-secondary);letter-spacing:.05em;text-transform:uppercase;margin:0 0 16px;font-size:1rem}.session-overlay-buttons{gap:10px;display:flex}.session-overlay-buttons .btn{flex:1;padding:14px 16px;font-size:1rem}.session-music{border-top:1px solid 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1fr;gap:12px;margin-top:14px;display:grid}.preset-save-form{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.preset-save-form input[type=text]{flex:200px;width:auto;min-width:0;font-size:1rem}.preset-swiper{background:var(--color-card);border:1px solid var(--color-border);border-radius:14px;margin-top:12px}.preset-swiper-row{align-items:center;display:flex}.swiper-arrow{color:var(--color-muted);cursor:pointer;background:0 0;border:none;border-radius:14px;flex:none;justify-content:center;align-items:center;width:48px;height:62px;padding:0;display:flex}.swiper-arrow:hover:not(:disabled){color:var(--color-text)}.swiper-arrow:disabled{opacity:.35;cursor:not-allowed}.swiper-arrow:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}.preset-swiper-center{text-align:center;flex:1;min-width:0;padding:8px 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40px;font-size:1.1rem}.toggle-row{cursor:pointer;align-self:flex-start;align-items:center;gap:14px;display:inline-flex;position:relative}.toggle-row.is-disabled{cursor:not-allowed}.toggle-label{color:var(--color-text);font-size:1rem}.toggle-input{opacity:0;pointer-events:none;width:1px;height:1px;margin:0;position:absolute}.toggle-track{background:#39393d;border-radius:999px;flex:none;width:51px;height:31px;transition:background .2s;position:relative}.toggle-thumb{background:#fff;border-radius:50%;width:27px;height:27px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 2px 4px #0000004d}.toggle-input:checked+.toggle-track{background:var(--color-primary)}.toggle-input:checked+.toggle-track .toggle-thumb{transform:translate(20px)}.toggle-input:focus-visible+.toggle-track{outline:2px solid var(--color-secondary);outline-offset:2px}.toggle-input:disabled+.toggle-track{opacity:.5}@media (prefers-reduced-motion:reduce){.toggle-track,.toggle-thumb{transition:none}}.wake-row{color:var(--color-muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:16px;font-size:.95rem;display:flex}.wake-row svg{flex:none}.wake-row .btn{padding:8px 14px}.preset-list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.preset-row{align-items:center;gap:4px;padding:8px 0;display:flex}.preset-load-btn{min-width:0;color:var(--color-text);text-align:left;cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;gap:2px;padding:4px 0;display:flex}.preset-load-btn:disabled{cursor:default}.preset-name{text-overflow:ellipsis;white-space:nowrap;font-size:1.1rem;overflow:hidden}.preset-meta{color:var(--color-muted);font-size:.9rem}.preset-load-btn:hover:not(:disabled) .preset-name{color:var(--color-primary)}.preset-empty{margin:0}.playlist-builder{flex-direction:column;gap:12px;display:flex}.playlist-builder .playlist-intro{margin:-8px 0 0}.playlist-add-btn{align-self:flex-start}