/* ===== VARIABILE ===== */
:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --sidebar-width: 250px;
}

/* ===== GENERAL ===== */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f8f9fa;
}

main {
    flex: 1;
}

/* ===== LOGIN PAGE ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
}

.login-header h1 {
    font-size: 1.75rem;
    margin: 10px 0 5px;
    color: #333;
}

.login-header p {
    color: #666;
    margin: 0;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* ===== NAVBAR ===== */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
}

/* ===== CARDS ===== */
.card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
    font-weight: 600;
}

.stat-card {
    border-radius: 12px;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

/* ===== KANBAN ===== */
.kanban-card {
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.kanban-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ===== TABLES ===== */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: #666;
    border-bottom: 2px solid #dee2e6;
}

.table td {
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* ===== BADGES ===== */
.badge {
    font-weight: 500;
    padding: 0.4em 0.8em;
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-lg {
    padding: 12px 24px;
}

.btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
}

/* ===== FORMS ===== */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 0.6rem 0.9rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.form-label {
    font-weight: 500;
    color: #333;
    margin-bottom: 0.4rem;
}

/* ===== ALERTS ===== */
.alert {
    border-radius: 10px;
    border: none;
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid #dee2e6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .stat-card .card-body {
        padding: 15px;
    }
    
    .stat-card h2 {
        font-size: 1.5rem;
    }
    
    .stat-card .display-6 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn-lg {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .table th, .table td {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
    
    .login-card {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    .d-flex.gap-2 {
        flex-wrap: wrap;
    }
    
    .btn-group {
        margin-bottom: 5px;
    }
}

/* ===== STICKY HEADER ===== */
.sticky-top {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* ===== ANIMATIONS ===== */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== SORTABLE TABLES ===== */
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]::after { content: ' \21C5'; opacity: 0.3; font-size: 0.7em; }
th[data-sort].asc::after { content: ' \2191'; opacity: 1; }
th[data-sort].desc::after { content: ' \2193'; opacity: 1; }

/* ===== KANBAN DRAG-DROP ===== */
.kanban-card.dragging { opacity: 0.4; }
.kanban-column.drag-over { background-color: rgba(5, 150, 105, 0.08); border: 2px dashed #059669 !important; border-radius: 8px; }
.kanban-card[draggable="true"] { cursor: grab; }
.kanban-card[draggable="true"]:active { cursor: grabbing; }

/* ===== DARK MODE ===== */
[data-theme="dark"] body { background-color: #1a1a2e; color: #e0e0e0; }
[data-theme="dark"] .navbar { background-color: #0f3460 !important; }
[data-theme="dark"] .card { background-color: #16213e; border-color: #1a1a2e; color: #e0e0e0; }
[data-theme="dark"] .card-header { background-color: #0f3460; border-color: #1a1a2e; color: #e0e0e0; }
[data-theme="dark"] .table { --bs-table-bg: #16213e; --bs-table-striped-bg: #1a1a2e; --bs-table-color: #e0e0e0; --bs-table-color-state: #e0e0e0; color: #e0e0e0; }
[data-theme="dark"] .table th { color: #b0b0c8 !important; border-color: #2a2a4a; }
[data-theme="dark"] .table td { color: #e0e0e0; border-color: #2a2a4a; }
[data-theme="dark"] .table > :not(caption) > * > * { --bs-table-color: #e0e0e0; }
[data-theme="dark"] .table-hover tbody tr:hover { --bs-table-hover-bg: rgba(13, 110, 253, 0.15); }
[data-theme="dark"] .form-control, [data-theme="dark"] .form-select { background-color: #0f3460; color: #e0e0e0; border-color: #2a2a4a; }
[data-theme="dark"] .form-control:focus, [data-theme="dark"] .form-select:focus { background-color: #16213e; color: #e0e0e0; }
[data-theme="dark"] .list-group-item { background-color: #16213e; color: #e0e0e0; border-color: #2a2a4a; }
[data-theme="dark"] .modal-content { background-color: #16213e; color: #e0e0e0; }
[data-theme="dark"] .modal-header, [data-theme="dark"] .modal-footer { border-color: #2a2a4a; }
[data-theme="dark"] .dropdown-menu { background-color: #16213e; border-color: #2a2a4a; }
[data-theme="dark"] .dropdown-item { color: #e0e0e0; }
[data-theme="dark"] .dropdown-item:hover { background-color: #0f3460; }
[data-theme="dark"] .text-muted { color: #8a8aaa !important; }
[data-theme="dark"] .text-dark { color: #e0e0e0 !important; }
[data-theme="dark"] a:not(.btn):not(.badge):not(.nav-link) { color: #6ea8fe; }
[data-theme="dark"] .login-container { background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%); }
[data-theme="dark"] .login-card { background: #16213e; }
[data-theme="dark"] .login-header h1 { color: #e0e0e0; }
[data-theme="dark"] .login-header p { color: #8a8aaa; }
[data-theme="dark"] .login-footer { border-color: #2a2a4a; }
[data-theme="dark"] .sticky-top { background: #1a1a2e !important; }
[data-theme="dark"] .stat-card { color: #fff; }
[data-theme="dark"] ::-webkit-scrollbar-track { background: #1a1a2e; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #2a2a4a; }
[data-theme="dark"] .btn-outline-secondary { color: #a0a0a0; border-color: #2a2a4a; }
[data-theme="dark"] .btn-outline-secondary:hover { background-color: #0f3460; color: #e0e0e0; }
[data-theme="dark"] .input-group-text { background-color: #0f3460; color: #e0e0e0; border-color: #2a2a4a; }
[data-theme="dark"] .badge.bg-light { background-color: #2a2a4a !important; color: #e0e0e0 !important; }
[data-theme="dark"] .offcanvas { background-color: #16213e; color: #e0e0e0; }
[data-theme="dark"] .footer, [data-theme="dark"] .bg-light { background-color: #16213e !important; color: #e0e0e0; border-color: #2a2a4a !important; }
[data-theme="dark"] .table-light { --bs-table-bg: #0f3460; --bs-table-color: #b0b0c8; --bs-table-border-color: #2a2a4a; color: #b0b0c8; }
[data-theme="dark"] .table-light th { color: #b0b0c8 !important; }
[data-theme="dark"] .table-light > * > * { --bs-table-color: #b0b0c8; }
[data-theme="dark"] .border-bottom { border-color: #2a2a4a !important; }
[data-theme="dark"] .border-warning { border-color: #ffc107 !important; }
[data-theme="dark"] .border-danger { border-color: #dc3545 !important; }
[data-theme="dark"] .table .text-danger { color: #ff6b7a !important; }
[data-theme="dark"] .table .text-success { color: #5dd39e !important; }
[data-theme="dark"] .table .text-primary { color: #6ea8fe !important; }
[data-theme="dark"] .table th { color: #b0b0c8 !important; }
[data-theme="dark"] .table-light th { color: #b0b0c8 !important; background-color: #0f3460 !important; }
[data-theme="dark"] .form-check-input { background-color: #0f3460; border-color: #2a2a4a; }
[data-theme="dark"] .form-check-input:checked { background-color: #0d6efd; border-color: #0d6efd; }
[data-theme="dark"] .nav-tabs .nav-link { color: #a0a0a0; }
[data-theme="dark"] .nav-tabs .nav-link.active { background-color: #16213e; color: #e0e0e0; border-color: #2a2a4a #2a2a4a #16213e; }
[data-theme="dark"] .progress { background-color: #0f3460; }
[data-theme="dark"] .bg-dark.bg-opacity-10 { background-color: rgba(255,255,255,0.05) !important; }
[data-theme="dark"] .bg-opacity-10 { --bs-bg-opacity: 0.15; }
[data-theme="dark"] .card .bg-light { background-color: #0f3460 !important; }
[data-theme="dark"] .alert-info { --bs-alert-color: #e0e0e0; --bs-alert-bg: #0f3460; --bs-alert-border-color: #2a2a4a; background-color: #0f3460 !important; color: #e0e0e0 !important; border-color: #2a2a4a !important; }
[data-theme="dark"] .alert-success { --bs-alert-color: #a3cfbb; --bs-alert-bg: #0a3622; --bs-alert-border-color: #0f5132; background-color: #0a3622 !important; color: #a3cfbb !important; border-color: #0f5132 !important; }
[data-theme="dark"] .alert-warning { --bs-alert-color: #ffda6a; --bs-alert-bg: #332701; --bs-alert-border-color: #664d03; background-color: #332701 !important; color: #ffda6a !important; border-color: #664d03 !important; }
[data-theme="dark"] .alert-danger { --bs-alert-color: #ea868f; --bs-alert-bg: #2c0b0e; --bs-alert-border-color: #842029; background-color: #2c0b0e !important; color: #ea868f !important; border-color: #842029 !important; }
[data-theme="dark"] .alert strong, [data-theme="dark"] .alert b { color: inherit !important; }
[data-theme="dark"] textarea.form-control { background-color: #0f3460; color: #e0e0e0; border-color: #2a2a4a; }
[data-theme="dark"] textarea.form-control::placeholder { color: #6a6a8a; }
[data-theme="dark"] .form-control::placeholder { color: #6a6a8a; }

/* ===== PRINT ===== */
@media print {
    .navbar, .btn, footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}