*{box-sizing:border-box}body{margin:0;min-width:320px}.theme-toggle{width:40px;height:40px;border-radius:50%;border:none;background:#fff3;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.theme-toggle:hover{background:#ffffff4d;transform:scale(1.05)}.theme-toggle:active{transform:scale(.95)}[data-theme=dark] .theme-toggle{background:#0003}[data-theme=dark] .theme-toggle:hover{background:#0000004d}.habit-card{background:var(--bg-primary);border-radius:var(--radius-lg);padding:1.5rem;border-left:4px solid var(--primary);box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border)}.habit-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.habit-card.completed{background:linear-gradient(135deg,rgba(16,185,129,.05) 0%,var(--bg-primary) 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.75rem;line-height:1.5}.habit-meta{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.habit-streak{font-size:.875rem;color:var(--text-secondary);font-weight:500}.habit-actions{display:flex;gap:.5rem;align-items:center}.habit-action-btn{width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);background:var(--bg-tertiary);color:var(--text-secondary)}.complete-btn{background:var(--success);color:#fff}.complete-btn:hover{background:var(--success-dark);transform:scale(1.05)}.skip-btn:hover{background:var(--danger);color:#fff}.completed-indicator{background:var(--success);color:#fff;cursor:pointer}.completed-indicator:hover{background:var(--success-dark)}.skipped-indicator{background:var(--text-tertiary);color:#fff;cursor:pointer}.habit-card-footer{margin-top:1rem;padding-top:1rem;border-top:1px solid 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0}.dashboard-title{font-size:1.5rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.charts-grid{grid-template-columns:1fr;gap:1rem}.top-habit-stats{grid-template-columns:repeat(3,1fr);gap:1rem}.stat-value{font-size:1.25rem}}.achievements-container{padding:2rem 0}.achievements-header{background:var(--bg-primary);border-radius:var(--radius-lg);padding:2rem;margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border)}.header-content{display:flex;align-items:center;gap:1rem}.achievements-title{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0 0 .25rem}.achievements-subtitle{font-size:1rem;color:var(--text-secondary);margin:0}.achievements-progress{display:flex;align-items:center}.progress-circle{position:relative;width:80px;height:80px}.progress-ring{width:100%;height:100%;transform:rotate(-90deg)}.progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.25rem;font-weight:700;color:var(--text-primary)}.section-subtitle{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:2rem 0 1rem;grid-column:1 / -1}.section-subtitle:first-child{margin-top:0}.achievements-grid{display:grid;gap:1rem}.achievement-card{background:var(--bg-primary);border-radius:var(--radius-lg);padding:1.5rem;display:flex;gap:1.5rem;align-items:flex-start;border:1px solid var(--border);transition:var(--transition)}.achievement-card.unlocked{background:linear-gradient(135deg,rgba(245,158,11,.05) 0%,var(--bg-primary) 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ease}.progress-label{font-size:.75rem;color:var(--text-tertiary);font-weight:500}.achievement-date{font-size:.75rem;color:var(--text-tertiary);margin:.5rem 0 0}@media(max-width:768px){.achievements-header{flex-direction:column;gap:1.5rem;align-items:flex-start}.achievement-card{flex-direction:column;gap:1rem}.achievement-icon{width:56px;height:56px}}.notification-settings{padding:2rem 0;max-width:600px}.notification-header{text-align:center;margin-bottom:2rem}.notification-header svg{margin-bottom:1rem}.notification-header h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0 0 .5rem}.notification-header p{font-size:1rem;color:var(--text-secondary);margin:0}.notification-status{margin-bottom:2rem}.status-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;gap:1rem;align-items:flex-start}.status-card.success{background:#10b9810d;border-color:var(--success);color:var(--success)}.status-card.error{background:#ef44440d;border-color:var(--danger);color:var(--danger)}.status-card h3{font-size:1.125rem;font-weight:600;margin:0 0 .25rem;color:var(--text-primary)}.status-card.success h3,.status-card.error h3{color:inherit}.status-card p{font-size:.875rem;color:var(--text-secondary);margin:0}.notification-actions{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem}.success-message{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;background:#10b9811a;border:1px solid rgba(16,185,129,.2);border-radius:var(--radius-md);color:var(--success);font-size:.875rem;font-weight:500;margin-bottom:2rem;animation:fadeIn .3s ease-out}.notification-features{background:var(--bg-primary);border:1px solid 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#10b981;--success-dark: #059669;--success-light: #34d399;--warning: #f59e0b;--danger: #ef4444;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--border: #e5e7eb;--border-light: #f3f4f6;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition: all .2s ease}[data-theme=dark]{--primary: #818cf8;--primary-dark: #6366f1;--primary-light: #a5b4fc;--success: #34d399;--success-dark: #10b981;--success-light: #6ee7b7;--warning: #fbbf24;--danger: #f87171;--bg-primary: #1f2937;--bg-secondary: #111827;--bg-tertiary: #374151;--text-primary: #f9fafb;--text-secondary: #d1d5db;--text-tertiary: #9ca3af;--border: #374151;--border-light: #4b5563;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4);--shadow-lg: 0 10px 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var(--border);color:var(--text-primary)}.btn-outline:hover{background:var(--bg-tertiary)}.btn-sm{padding:.375rem .875rem;font-size:.8125rem}.btn-lg{padding:.875rem 1.5rem;font-size:1rem}.input{width:100%;padding:.625rem .875rem;border:1px solid var(--border);border-radius:var(--radius-md);font-size:.875rem;transition:var(--transition);background:var(--bg-primary);color:var(--text-primary)}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:500;color:var(--text-secondary)}.badge{display:inline-flex;align-items:center;padding:.25rem 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