*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #7986A8;--primary-dark: #064351;--primary-light: #79DCDA;--secondary: #F3DE8A;--accent: #4A90E2;--warning: #F3DE8A;--focus-color: #0C3026;--relax-color: #064351;--sleep-color: #2d1b69;--focus-accent: #F3DE8A;--relax-accent: #79DCDA;--sleep-accent: #4A90E2;--dark: #111320;--darker: #030108;--light: #E8E4D9;--lighter: #FFFFFF;--gray: #D8D8D8;--gray-light: #666666;--gradient-primary: linear-gradient(135deg, #7986A8 0%, #064351 100%);--gradient-secondary: linear-gradient(135deg, #F3DE8A 0%, #79DCDA 100%);--gradient-accent: linear-gradient(135deg, #4A90E2 0%, #79DCDA 100%);--gradient-dark: linear-gradient(135deg, #111320 0%, #030108 100%);--gradient-hero: linear-gradient(135deg, #7986A8 0%, #064351 50%, #030108 100%);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .4);--shadow-xl: 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var(--primary);border-radius:15px;padding:2rem;margin-top:1rem;text-align:left;max-width:400px;margin-left:auto;margin-right:auto}.setting-item{margin-bottom:1.5rem}.setting-item:last-child{margin-bottom:0}.setting-item label{display:block;margin-bottom:.5rem;color:var(--light);font-weight:500}.time-input{display:flex;align-items:center;gap:.5rem}.time-input input{width:60px;padding:.5rem;border:1px solid var(--gray);border-radius:5px;text-align:center;background:var(--darker);color:var(--light)}.time-input span{color:var(--light);opacity:.8}.time-btn{width:30px;height:30px;border:1px solid var(--primary);background:transparent;color:var(--primary);border-radius:50%;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.time-btn:hover{background:var(--primary);color:var(--light)}.switch{position:relative;display:inline-block;width:50px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:var(--gray);transition:.4s;border-radius:24px}.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary)}input:checked+.slider:before{transform:translate(26px)}.session-counter{display:flex;flex-direction:column;align-items:center;gap:1rem}.session-info{display:flex;flex-direction:column;align-items:center;gap:.5rem}.session-label{color:var(--light);opacity:.8;font-size:.9rem}.session-count{font-size:2rem;font-weight:700;color:var(--light)}.session-dots{display:flex;gap:.5rem}.session-dot{width:12px;height:12px;border-radius:50%;background:var(--gray);transition:all .3s ease}.session-dot.completed{background:var(--primary);transform:scale(1.2)}.timer-info{padding:4rem 0;background:var(--darker)}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.info-card{background:var(--dark);border:1px solid var(--primary);border-radius:15px;padding:2rem;text-align:left;transition:all .3s ease}.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.info-card h3{color:var(--primary);margin-bottom:1rem;font-size:1.2rem;display:flex;align-items:center;gap:.5rem}.info-card p{color:var(--light);line-height:1.6;opacity:.9}.info-card i{color:var(--primary)}@media (max-width: 768px){.timer-hero{padding:1rem 0}.timer-container{padding:1.5rem;margin:0 1rem}.timer-header h1{font-size:2rem}.timer-header p{font-size:1rem}.timer-modes{flex-direction:row;flex-wrap:wrap;align-items:center;gap:.5rem;justify-content:center}.mode-btn{width:auto;padding:.5rem 1rem;justify-content:center;font-size:.9rem}.timer-time{font-size:2rem}.timer-controls{flex-direction:row;flex-wrap:wrap;align-items:center;gap:.5rem;justify-content:center}.control-btn{width:auto;padding:.75rem 1.5rem;justify-content:center}.settings-panel{margin:1rem;padding:1.5rem}.info-grid{grid-template-columns:1fr;gap:1.5rem}}@media (max-width: 480px){.timer-progress,.progress-ring{width:200px;height:200px}.progress-ring__circle{r:96;cx:100;cy:100}.timer-time{font-size:1.8rem}.timer-container{padding:1.5rem;margin:1rem}.timer-header h1{font-size:1.8rem}.timer-header p{font-size:1rem}.timer-modes{gap:.3rem}.mode-btn{width:180px;padding:.5rem 1rem;font-size:.85rem}.session-counter{flex-direction:column;gap:.5rem}}