.page-header {
    margin-bottom: 2rem;
}

    .page-header h2 {
        color: var(--primary-color);
        font-size: 1.8rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

.breadcrumb {
    display: flex;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ============================================
           CARDS & PANELS
           ============================================ */

.card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s;
}

    .stat-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }

    .stat-card.success {
        border-left-color: var(--success-color);
    }

    .stat-card.warning {
        border-left-color: var(--warning-color);
    }

    .stat-card.danger {
        border-left-color: var(--danger-color);
    }

    .stat-card.info {
        border-left-color: var(--accent-color);
    }

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.3;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-change {
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

    .stat-change.positive {
        color: var(--success-color);
    }

    .stat-change.negative {
        color: var(--danger-color);
    }

/* ============================================
           FORMS & INPUTS
           ============================================ */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: all 0.3s;
    background: white;
}

    .form-control:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(44, 95, 124, 0.1);
    }

    .form-control:disabled {
        background: #f8f9fa;
        cursor: not-allowed;
    }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* ============================================
           BUTTONS
           ============================================ */

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

.btn-primary {
    background: var(--primary-color);
    color: white;
}

    .btn-primary:hover {
        background: var(--primary-dark);
    }

.btn-success {
    background: var(--success-color);
    color: white;
}

    .btn-success:hover {
        background: #218838;
    }

.btn-danger {
    background: var(--danger-color);
    color: white;
}

    .btn-danger:hover {
        background: #c82333;
    }

.btn-warning {
    background: var(--warning-color);
    color: #333;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ============================================
           TABLES
           ============================================ */

.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

    .data-table thead {
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
        color: white;
    }

    .data-table th {
        padding: 1rem;
        text-align: left;
        font-weight: 600;
        font-size: 0.9rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .data-table td {
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .data-table tbody tr {
        transition: background 0.3s;
    }

        .data-table tbody tr:hover {
            background: #f8f9fa;
        }

        .data-table tbody tr.selected {
            background: #e3f2fd;
        }

/* ============================================
           RESPONSIVE DESIGN
           ============================================ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ============================================
           DASHBOARD SPECIFIC STYLES
           ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.chart-placeholder {
    height: 300px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: 500;
}

.activity-list {
    list-style: none;
}

.activity-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
}

    .activity-item:last-child {
        border-bottom: none;
    }

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: var(--bg-color);
    color: var(--primary-color);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.quick-action-btn {
    padding: 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--text-primary);
}

    .quick-action-btn:hover {
        border-color: var(--primary-color);
        transform: translateY(-5px);
        box-shadow: var(--shadow-md);
    }

.quick-action-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.quick-action-label {
    font-weight: 500;
    font-size: 0.9rem;
}