:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a2e;--bg-card-hover: #1f1f35;--bg-input: #16162a;--border: #2a2a4a;--border-focus: #6366f1;--text-primary: #f1f1f7;--text-secondary: #9ca3af;--text-muted: #6b7280;--accent: #6366f1;--accent-hover: #818cf8;--accent-glow: rgba(99, 102, 241, .3);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--gradient-1: linear-gradient(135deg, #6366f1, #8b5cf6);--gradient-2: linear-gradient(135deg, #6366f1, #06b6d4);--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .5);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:var(--transition)}.sidebar-header{padding:24px 20px;border-bottom:1px solid var(--border)}.sidebar-logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.sidebar-logo .icon{width:36px;height:36px;background:var(--gradient-1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9rem;font-weight:500;cursor:pointer;transition:var(--transition);border:none;background:none;width:100%;text-align:left}.nav-link:hover{background:var(--bg-card);color:var(--text-primary)}.nav-link.active{background:var(--accent);color:#fff;box-shadow:0 4px 12px var(--accent-glow)}.sidebar-footer{padding:16px;border-top:1px solid var(--border)}.user-card{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-card)}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--gradient-1);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff}.user-info{flex:1;overflow:hidden}.user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.75rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.main-content{flex:1;margin-left:260px;padding:32px;min-height:100vh}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.page-title{font-size:1.75rem;font-weight:800}.page-subtitle{color:var(--text-secondary);font-size:.9rem;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition);font-family:inherit}.btn-primary{background:var(--gradient-1);color:#fff;box-shadow:0 4px 12px var(--accent-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--accent-glow)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);background:var(--bg-card-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 12px}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-card)}.btn-sm{padding:6px 14px;font-size:.8rem}.btn-icon{padding:8px;width:36px;height:36px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;font-family:inherit;transition:var(--transition);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:80px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:var(--transition)}.card:hover{border-color:var(--border-focus);transform:translateY(-2px);box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-1)}.stat-card.success:before{background:var(--success)}.stat-card.warning:before{background:var(--warning)}.stat-card.danger:before{background:var(--danger)}.stat-card.info:before{background:var(--info)}.stat-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:16px;background:#6366f126}.stat-value{font-size:2rem;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);font-size:.85rem;margin-top:6px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.project-card{cursor:pointer;position:relative;overflow:hidden}.project-color{width:100%;height:4px;position:absolute;top:0;left:0;right:0}.project-card .card-header{margin-top:8px}.project-name{font-size:1.1rem;font-weight:700}.project-desc{color:var(--text-secondary);font-size:.85rem;margin-bottom:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.project-meta{display:flex;gap:16px;font-size:.8rem;color:var(--text-muted)}.tasks-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.task-column{background:var(--bg-secondary);border-radius:var(--radius);padding:16px;border:1px solid var(--border);min-height:300px}.column-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.column-title{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.column-count{background:var(--bg-card);padding:2px 10px;border-radius:20px;font-size:.75rem;font-weight:600;color:var(--text-secondary)}.task-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;margin-bottom:10px;cursor:pointer;transition:var(--transition)}.task-card:hover{border-color:var(--accent);transform:translateY(-1px)}.task-title{font-size:.9rem;font-weight:600;margin-bottom:8px}.task-desc{font-size:.8rem;color:var(--text-secondary);margin-bottom:12px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.task-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.tag{padding:3px 10px;border-radius:20px;font-size:.7rem;font-weight:600;background:#6366f126;color:var(--accent-hover)}.task-footer{display:flex;align-items:center;justify-content:space-between}.priority-badge{padding:3px 10px;border-radius:20px;font-size:.7rem;font-weight:700;text-transform:uppercase}.priority-low{background:#10b98126;color:var(--success)}.priority-medium{background:#3b82f626;color:var(--info)}.priority-high{background:#f59e0b26;color:var(--warning)}.priority-urgent{background:#ef444426;color:var(--danger)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);width:90%;max-width:500px;max-height:85vh;overflow-y:auto;animation:slideUp .3s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-title{font-size:1.1rem;font-weight:700}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);position:relative;overflow:hidden}.auth-page:before{content:"";position:absolute;width:500px;height:500px;background:radial-gradient(circle,var(--accent-glow),transparent 70%);top:-100px;right:-100px;border-radius:50%;animation:pulse 4s infinite}.auth-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:100%;max-width:420px;position:relative;z-index:1;box-shadow:var(--shadow-lg)}.auth-title{font-size:1.75rem;font-weight:800;text-align:center;margin-bottom:8px}.auth-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:32px;font-size:.9rem}.auth-btn{width:100%;padding:14px;font-size:1rem}.auth-footer{text-align:center;margin-top:24px;font-size:.85rem;color:var(--text-secondary)}.auth-footer a{font-weight:600}.error-msg{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger);padding:12px 16px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:20px}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state .icon{font-size:3rem;margin-bottom:16px;opacity:.5}.empty-state p{font-size:.95rem}.status-select{padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600;border:none;cursor:pointer;outline:none}.status-pending{background:#6b728033;color:var(--text-secondary)}.status-in_progress{background:#3b82f626;color:var(--info)}.status-review{background:#f59e0b26;color:var(--warning)}.status-completed{background:#10b98126;color:var(--success)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.fade-in{animation:fadeIn .4s ease}@media (max-width: 1024px){.tasks-board{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:20px}.tasks-board{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.page-header{flex-direction:column;align-items:flex-start;gap:16px}}