:root{--color-primary: #4F46E5;--color-primary-light: #818CF8;--color-primary-dark: #3730A3;--color-secondary: #EC4899;--color-secondary-light: #F472B6;--color-secondary-dark: #BE185D;--color-success: #10B981;--color-warning: #F59E0B;--color-danger: #EF4444;--color-bg-primary: #0F172A;--color-bg-secondary: #1E293B;--color-bg-tertiary: #334155;--color-text-primary: #F1F5F9;--color-text-secondary: #CBD5E1;--color-text-muted: #94A3B8;--color-border: #334155;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1)}[data-theme=light]{--color-bg-primary: #F8FAFC;--color-bg-secondary: #FFFFFF;--color-bg-tertiary: #E2E8F0;--color-text-primary: #1E293B;--color-text-secondary: #475569;--color-text-muted: #64748B;--color-border: #CBD5E1;--glass-bg: rgba(255, 255, 255, .9);--glass-border: rgba(0, 0, 0, .05);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box;transition:background-color var(--transition-normal),color var(--transition-normal),border-color var(--transition-normal)}html,body{height:100%;width:100%;overflow:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=dark] body{background:linear-gradient(135deg,#0f172a,#1e293b)}[data-theme=light] body{background:var(--color-bg-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:var(--radius-sm);transition:background var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:#475569}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--color-text-primary)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{margin-bottom:var(--spacing-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-normal);outline:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--color-secondary);color:#fff}.btn-secondary:hover{background:var(--color-secondary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover{background:#059669;transform:translateY(-1px)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.btn-danger:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);transform:translateY(-2px);box-shadow:0 8px 16px #ef44444d}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text-primary)}.btn-outline:hover{background:var(--color-bg-tertiary);border-color:var(--color-text-muted)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-icon{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;font-size:1.25rem;border-radius:var(--radius-full);background:var(--glass-bg);border:1px solid var(--color-border);color:var(--color-text);transition:all .2s ease;cursor:pointer}.btn-icon:hover{transform:scale(1.1);background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.875rem;font-weight:600}.card{background:var(--glass-bg);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-md);transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}input,textarea,select{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:inherit;font-size:.875rem;transition:all var(--transition-fast);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e51a}textarea{resize:vertical;min-height:80px}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-muted)}.text-primary{color:var(--color-primary)}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.flex{display:flex}.flex-column{flex-direction:column}.flex-center{align-items:center;justify-content:center}.flex-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-normal) ease-out}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.star-rating{display:inline-flex;gap:2px}.star{color:#fcd34d;font-size:1rem}.star.empty{color:var(--color-text-muted)}.task-completed{text-decoration:line-through;opacity:.6}