:root{--font-brand:"Caveat", cursive;--font-ui:"Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--font-mono:"JetBrains Mono", monospace;--color-white:#fff;--color-dark:#111;--color-glass-bg:#ffffff26;--color-glass-border:#ffffff59;--color-overlay:#00000040}*,:before,:after{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}html,body{width:100vw;height:100vh;min-height:100vh;max-height:100vh;color:var(--color-white);font-family:var(--font-ui);-webkit-user-select:none;user-select:none;touch-action:manipulation;background-color:#0d0d11;overflow:hidden}#root{width:100%;height:100%;position:relative;overflow:hidden}.bg-layer{z-index:1;background-position:50%;background-repeat:no-repeat;background-size:cover;width:100%;height:100%;transition:background-image .8s ease-in-out;position:absolute;top:0;left:0}.bg-video-layer{object-fit:cover;z-index:1;pointer-events:none;width:100vw;height:100vh;position:absolute;top:0;left:0}.bg-overlay{z-index:2;pointer-events:none;background:radial-gradient(circle,#00000026 0%,#00000073 100%);width:100%;height:100%;position:absolute;top:0;left:0}.study-space{z-index:10;flex-direction:column;justify-content:space-between;align-items:center;width:100%;height:100vh;padding:2.25rem 3rem;display:flex;position:relative}@media (width<=768px){.study-space{padding:1.5rem 1.25rem}}.top-nav{z-index:10;justify-content:space-between;align-items:center;width:100%;display:flex;position:relative}.brand-wrap{width:40px;height:40px}.mode-pills-bar{-webkit-backdrop-filter:blur(12px);background:#00000059;border:1px solid #ffffff40;border-radius:9999px;align-items:center;gap:.75rem;padding:.35rem .4rem;display:flex;box-shadow:0 4px 20px #0000004d}.mode-pill{color:var(--color-white);font-family:var(--font-ui);cursor:pointer;text-shadow:0 1px 3px #0006;background:0 0;border:1.5px solid #ffffff73;border-radius:9999px;padding:.45rem 1.25rem;font-size:.875rem;font-weight:600;transition:all .2s}.mode-pill:hover{border-color:var(--color-white);background:#fff3}.mode-pill.active{background:var(--color-white);color:var(--color-dark);border-color:var(--color-white);text-shadow:none;box-shadow:0 2px 12px #00000059}.center-zone{z-index:10;flex-direction:column;justify-content:center;align-items:center;margin-top:-1.5rem;display:flex;position:relative}.timer-digits-hero{font-family:var(--font-ui);color:var(--color-white);letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;text-shadow:0 8px 32px #00000080,0 2px 8px #0006;font-size:clamp(5.5rem,18vw,12.5rem);font-weight:800;line-height:.95}.controls-row{align-items:center;gap:.85rem;margin-top:1.75rem;display:flex}.btn-start-pill{background:var(--color-white);color:var(--color-dark);font-family:var(--font-ui);cursor:pointer;text-align:center;border:none;border-radius:9999px;min-width:120px;padding:.65rem 2.25rem;font-size:1.0625rem;font-weight:700;transition:transform .12s,background-color .15s,box-shadow .15s;box-shadow:0 4px 18px #00000059}.btn-start-pill:hover{background:#f0f0f0;transform:scale(1.03)}.btn-start-pill:active{transform:scale(.97)}.btn-icon-circle{width:44px;height:44px;color:var(--color-white);cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0006;border:1px solid #ffffff59;border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;transition:all .18s;display:flex}.btn-icon-circle:hover{border-color:var(--color-white);background:#ffffff40;transform:scale(1.05)}.btn-icon-circle:active{transform:scale(.95)}.bottom-nav{z-index:10;justify-content:space-between;align-items:flex-end;width:100%;display:flex;position:relative}.hidden-youtube-audio{opacity:0!important;pointer-events:none!important;border:none!important;width:1px!important;height:1px!important;position:absolute!important;top:-9999px!important;left:-9999px!important}.lofi-compact-pill-card{-webkit-backdrop-filter:blur(14px);background:#141419bf;border:1px solid #fff3;border-radius:9999px;align-items:center;gap:.75rem;height:38px;padding:.35rem .5rem .35rem .75rem;display:flex;box-shadow:0 4px 20px #00000059}.lofi-pill-content{align-items:center;gap:.4rem;display:flex}.pill-vinyl{font-size:.85rem;display:inline-block}.pill-vinyl.spinning{animation:3s linear infinite 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#0000004d}.pill-play-btn:hover{background:#e5e5e5;transform:scale(1.08)}.pill-play-btn:active{transform:scale(.95)}.bottom-right-actions{align-items:center;gap:.75rem;display:flex}.btn-glass-action{width:40px;height:40px;color:var(--color-white);cursor:pointer;-webkit-backdrop-filter:blur(10px);background:#0006;border:1px solid #ffffff59;border-radius:10px;justify-content:center;align-items:center;font-size:1.1rem;transition:all .18s;display:flex}.btn-glass-action:hover{border-color:var(--color-white);background:#ffffff40;transform:scale(1.04)}.btn-glass-action:active{transform:scale(.96)}.modal-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#000000b3;justify-content:center;align-items:center;width:100vw;height:100vh;padding:1rem;display:flex;position:fixed;top:0;left:0}.settings-card{width:100%;max-width:440px;color:var(--color-white);background:#18181c;border:1px solid #fff3;border-radius:20px;padding:1.75rem;box-shadow:0 20px 50px #000000b3}.settings-header{border-bottom:1px solid #ffffff1f;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:.75rem;display:flex}.settings-title{font-size:1.15rem;font-weight:700}.settings-header-actions{align-items:center;gap:.75rem;display:flex}.github-header-link{color:#ffffffb3;justify-content:center;align-items:center;text-decoration:none;transition:color .15s,transform .15s;display:flex}.github-header-link:hover{color:var(--color-white);transform:scale(1.1)}.modal-close-btn{color:#fff9;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.2rem;font-size:1.4rem;transition:color .15s}.modal-close-btn:hover{color:var(--color-white)}.setting-group{margin-bottom:1.25rem}.setting-label{color:#ffffffd9;margin-bottom:.5rem;font-size:.8125rem;font-weight:600;display:block}.time-inputs-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.time-input-box{flex-direction:column;gap:.25rem;display:flex}.time-input-box 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.4rem;font-size:.65rem;font-weight:600;position:absolute;bottom:0;left:0}.btn-save-settings{background:var(--color-white);width:100%;color:var(--color-dark);font-family:var(--font-ui);cursor:pointer;border:none;border-radius:10px;margin-top:1.5rem;padding:.75rem;font-size:.9rem;font-weight:700;transition:background-color .15s}.btn-save-settings:hover{background:#e5e5e5}