:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: #e0e7ff;--primary-dark: #3730a3;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--info: #3b82f6;--info-light: #dbeafe;--bg: #f1f5f9;--bg-card: #ffffff;--text: #1e293b;--text-secondary: #64748b;--text-light: #94a3b8;--border: #e2e8f0;--border-focus: #6366f1;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .05);--transition: all .2s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:var(--primary);transition:var(--transition)}a:hover{color:var(--primary-hover)}.page-title{font-size:1.75rem;font-weight:700;color:var(--text);margin-bottom:var(--space-xs)}.page-subtitle{color:var(--text-secondary);font-size:.95rem}.container{max-width:1100px;margin:0 auto;padding:0 var(--space-lg)}.main-content{padding-top:var(--space-xl);padding-bottom:var(--space-2xl);min-height:calc(100vh - 64px)}.navbar{border-bottom:1px solid var(--border);padding:var(--space-md) 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffeb}.navbar-content{display:flex;align-items:center;justify-content:space-between}.navbar-brand{font-size:1.25rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:var(--space-sm)}.navbar-brand:hover{color:var(--primary-hover)}.navbar-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:var(--radius-sm);font-size:1rem;font-weight:700}.navbar-links{display:flex;align-items:center;gap:var(--space-md)}.navbar-user{color:var(--text-secondary);font-size:.875rem;font-weight:500}.nav-link{color:var(--text-secondary);font-weight:500;font-size:.875rem;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);transition:var(--transition)}.nav-link:hover{color:var(--primary);background:var(--primary-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:.625rem 1.25rem;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:.875rem;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none;line-height:1.4}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;box-shadow:0 2px 4px #6366f14d}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover),var(--primary-dark));box-shadow:0 4px 8px #6366f166;transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--border)}.btn-outline:hover:not(:disabled){border-color:var(--primary);background:var(--primary-light)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-1px)}.btn-sm{padding:.375rem .75rem;font-size:.8125rem}.btn-full{width:100%}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--text);margin-bottom:var(--space-sm)}.form-input{width:100%;padding:.75rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:.9375rem;color:var(--text);background:var(--bg-card);transition:var(--transition);-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #6366f126}.form-input::placeholder{color:var(--text-light)}.form-textarea{resize:vertical;min-height:100px}select.form-input{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.5rem}.form-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-md);border:1px solid var(--border)}.form-page{max-width:600px;margin:0 auto}.back-link{display:inline-flex;align-items:center;gap:var(--space-xs);color:var(--text-secondary);font-size:.875rem;font-weight:500;margin-bottom:var(--space-lg);transition:var(--transition)}.back-link:hover{color:var(--primary)}.auth-page{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 120px);padding:var(--space-lg)}.auth-card{width:100%;max-width:420px;background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--space-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--border);animation:fadeInUp .4s ease}.auth-title{font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:var(--space-xs)}.auth-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:var(--space-xl);font-size:.9375rem}.auth-footer{text-align:center;margin-top:var(--space-lg);color:var(--text-secondary);font-size:.875rem}.auth-footer a{font-weight:600}.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl);flex-wrap:wrap;gap:var(--space-md)}.task-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg)}.task-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column;animation:fadeInUp .3s ease}.task-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.task-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-sm);margin-bottom:var(--space-sm)}.task-title{font-size:1.05rem;font-weight:600;color:var(--text);line-height:1.4}.task-description{color:var(--text-secondary);font-size:.875rem;line-height:1.5;margin-bottom:var(--space-md);flex:1}.task-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-md);border-top:1px solid var(--border);flex-wrap:wrap;gap:var(--space-sm)}.task-date{font-size:.75rem;color:var(--text-light)}.task-actions{display:flex;gap:var(--space-sm)}.status-badge{display:inline-flex;align-items:center;padding:.25rem .625rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;white-space:nowrap;flex-shrink:0}.status-pending{background:var(--warning-light);color:#92400e}.status-in-progress{background:var(--info-light);color:#1e40af}.status-completed{background:var(--success-light);color:#065f46}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);margin-bottom:var(--space-xl)}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-lg);text-align:center;transition:var(--transition)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.stat-number{display:block;font-size:1.75rem;font-weight:700;color:var(--text);line-height:1;margin-bottom:var(--space-xs)}.stat-label{font-size:.8125rem;color:var(--text-secondary);font-weight:500}.stat-pending{border-left:3px solid var(--warning)}.stat-in-progress{border-left:3px solid var(--info)}.stat-completed{border-left:3px solid var(--success)}.filter-bar{display:flex;gap:var(--space-sm);margin-bottom:var(--space-xl);flex-wrap:wrap}.filter-btn{padding:.5rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-full);background:var(--bg-card);color:var(--text-secondary);font-family:inherit;font-size:.8125rem;font-weight:500;cursor:pointer;transition:var(--transition)}.filter-btn:hover{border-color:var(--primary);color:var(--primary)}.filter-active{background:var(--primary);color:#fff;border-color:var(--primary)}.filter-active:hover{background:var(--primary-hover);color:#fff;border-color:var(--primary-hover)}.alert{padding:.75rem 1rem;border-radius:var(--radius-sm);margin-bottom:var(--space-lg);font-size:.875rem;font-weight:500;animation:slideDown .3s ease}.alert-error{background:var(--danger-light);color:#991b1b;border:1px solid #fecaca}.alert-success{background:var(--success-light);color:#065f46;border:1px solid #a7f3d0}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);color:var(--text-secondary)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:var(--space-md)}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--text-secondary)}.empty-icon{font-size:3rem;margin-bottom:var(--space-md)}.empty-state h3{font-size:1.125rem;color:var(--text);margin-bottom:var(--space-sm)}.empty-state p{margin-bottom:var(--space-lg);font-size:.9375rem}.not-found-page{text-align:center;padding:var(--space-2xl);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 200px)}.not-found-code{font-size:6rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:var(--space-md)}.not-found-page h2{font-size:1.5rem;margin-bottom:var(--space-sm)}.not-found-page p{color:var(--text-secondary);margin-bottom:var(--space-xl)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}.task-grid{grid-template-columns:1fr}.dashboard-header{flex-direction:column;align-items:flex-start}.navbar-user{display:none}.auth-card{padding:var(--space-xl)}}@media(max-width:480px){.container{padding:0 var(--space-md)}.navbar-content{gap:var(--space-sm)}.navbar-brand{font-size:1.1rem}.stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.stat-card{padding:var(--space-md)}.stat-number{font-size:1.5rem}.filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:var(--space-sm);-webkit-overflow-scrolling:touch}.filter-btn{flex-shrink:0}.page-title{font-size:1.5rem}.auth-card,.form-card{padding:var(--space-lg)}.task-card-footer{flex-direction:column;align-items:flex-start}}