:root{--arrubia-primary:#667eea;--arrubia-primary-light:#a5b4fc;--arrubia-primary-dark:#4338ca;--arrubia-secondary:#f59e0b;--arrubia-secondary-light:#fbbf24;--arrubia-secondary-dark:#d97706;--arrubia-success:#10b981;--arrubia-danger:#ef4444;--arrubia-warning:#f59e0b;--arrubia-info:#3b82f6;--arrubia-light:#f8fafc;--arrubia-dark:#1e293b}#db-wrapper{min-height:100vh}.navbar-vertical{background:linear-gradient(135deg,var(--arrubia-primary-dark) 0,var(--arrubia-primary) 100%);border-right:1px solid hsla(0,0%,100%,.1)}.navbar-vertical .navbar-brand{border-bottom:1px solid hsla(0,0%,100%,.1);padding:1.5rem}.navbar-vertical .nav-link{color:hsla(0,0%,100%,.8)!important;transition:all .3s ease;border-radius:6px;margin:2px 12px}.navbar-vertical .nav-link:hover{background-color:hsla(0,0%,100%,.1);color:#fff!important}.navbar-vertical .nav-link.active{background-color:hsla(0,0%,100%,.2);color:#fff!important;border-left:3px solid var(--arrubia-secondary)}.navbar-heading{color:hsla(0,0%,100%,.6)!important;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem;padding:1.5rem 1.5rem .5rem}.header{background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 1px 3px 0 rgba(0,0,0,.1)}.bg-primary{background:linear-gradient(135deg,var(--arrubia-primary) 0,var(--arrubia-primary-light) 100%)!important}.card{border:1px solid rgba(226,232,240,.8);border-radius:8px;box-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px 0 rgba(0,0,0,.06);transition:all .3s ease}.card:hover{box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06)}.btn{border-radius:6px;font-weight:500;text-transform:none;transition:all .2s ease}.btn-primary{background-color:var(--arrubia-primary);border-color:var(--arrubia-primary)}.btn-primary:hover{background-color:var(--arrubia-primary-dark);border-color:var(--arrubia-primary-dark)}.btn-secondary{background-color:var(--arrubia-secondary);border-color:var(--arrubia-secondary)}.btn-secondary:hover{background-color:var(--arrubia-secondary-dark);border-color:var(--arrubia-secondary-dark)}.form-control{border-radius:6px;border:1px solid #d1d5db;transition:all .2s ease}.form-control:focus{border-color:var(--arrubia-primary);box-shadow:0 0 0 .2rem rgba(102,126,234,.25)}.stat-card{background:#fff;border-radius:8px;padding:1.5rem;border:1px solid #e5e7eb;transition:all .3s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,0,0,.1)}.stat-value{font-size:2rem;font-weight:700;color:var(--arrubia-dark)}.stat-label{color:#6b7280;font-size:.875rem;font-weight:500}.spinner-border-primary{color:var(--arrubia-primary)}.auth-page{background:linear-gradient(135deg,var(--arrubia-light) 0,#ffffff 100%);min-height:100vh}.auth-card{border:none;border-radius:12px;box-shadow:0 10px 25px rgba(0,0,0,.1)}@media(max-width:768px){.navbar-vertical{transform:translateX(-100%);transition:transform .3s ease}#db-wrapper.toggled .navbar-vertical{transform:translateX(0)}.stat-value{font-size:1.5rem}}@media print{.btn,.header,.navbar-vertical,.no-print{display:none!important}#page-content{margin:0!important;padding:0!important}}.kanban-board{min-height:70vh;padding-bottom:1rem}.kanban-column{max-width:280px}.kanban-column,.kanban-column-add{min-width:280px}.task-card{transition:all .2s ease;border-radius:8px;border:1px solid #e9ecef;cursor:pointer}.task-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-1px)}.task-card.dragging{box-shadow:0 8px 25px rgba(0,0,0,.2);border-color:#007bff;transform:rotate(5deg);z-index:1000}.task-card .card-body{padding:.75rem}.task-item{transition:all .2s ease;cursor:pointer}.task-item:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,.1)}.hover-bg-light:hover{background-color:#f8f9fa!important}.fc-event{border-radius:4px;padding:2px 4px;font-size:.85rem}.sortable-ghost{opacity:.4}.sortable-chosen{opacity:.8}.sortable-drag{opacity:1;transform:rotate(5deg);z-index:1000}@media (max-width:768px){.kanban-board{flex-direction:column;gap:1rem}.kanban-column,.kanban-column-add{min-width:100%;max-width:100%}}.status-todo{border-left:4px solid #6c757d}.status-doing{border-left:4px solid #ffc107}.status-done{border-left:4px solid #28a745}.status-blocked{border-left:4px solid #dc3545}.urgency-overdue{background-color:rgba(220,53,69,.1);border-color:#dc3545}.urgency-due-soon{background-color:rgba(255,193,7,.1);border-color:#ffc107}.assignee-avatar{width:24px;height:24px;border-radius:50%;font-size:.7rem;font-weight:700;border:2px solid white;margin-left:-8px}.assignee-avatar:first-child{margin-left:0}.kanban-column .card-body::-webkit-scrollbar{width:6px}.kanban-column .card-body::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.kanban-column .card-body::-webkit-scrollbar-thumb{background:#888;border-radius:3px}.kanban-column .card-body::-webkit-scrollbar-thumb:hover{background:#555}.fade-in{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.btn-dashed{border-style:dashed!important;border-width:2px!important}.btn-dashed:hover{border-style:solid!important}.priority-high:before{content:"🔴";margin-right:4px}.priority-medium:before{content:"🟡";margin-right:4px}.priority-low:before{content:"🟢";margin-right:4px}.loading-shimmer{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.error-state{text-align:center;padding:2rem;color:#6c757d}.error-state .icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.success-state{text-align:center;padding:2rem;color:#28a745}.success-state .icon{font-size:3rem;margin-bottom:1rem}@media print{.kanban-board{display:block!important}.kanban-column{margin-bottom:1rem;min-width:auto;max-width:none}.kanban-column,.task-card{page-break-inside:avoid;break-inside:avoid}.task-card{margin-bottom:.5rem}}