:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
}

body {
    background-color: var(--gray-50);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-800);
}

/* Headers */
.page-header {
    background: white;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
}

.dashboard-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.filter-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

    .metric-card:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        transform: translateY(-1px);
    }

    .metric-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
    }

    .metric-card.primary::before {
        background: var(--primary);
    }

    .metric-card.success::before {
        background: var(--success);
    }

    .metric-card.warning::before {
        background: var(--warning);
    }

    .metric-card.danger::before {
        background: var(--danger);
    }

    .metric-card.info::before {
        background: var(--info);
    }

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

.metric-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: white;
}

    .metric-icon.primary {
        background: var(--primary);
    }

    .metric-icon.success {
        background: var(--success);
    }

    .metric-icon.warning {
        background: var(--warning);
    }

    .metric-icon.danger {
        background: var(--danger);
    }

    .metric-icon.info {
        background: var(--info);
    }

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-sublabel {
    font-size: 0.7rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.content-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Tables */
.data-table {
    width: 100%;
    font-size: 0.8rem;
}

    .data-table thead th {
        padding: 0.75rem 1rem;
        background: var(--gray-800);
        color: white;
        border: none;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        font-size: 0.7rem;
    }

    .data-table tbody td {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--gray-100);
        vertical-align: middle;
    }

    .data-table tbody tr:hover {
        background: var(--gray-50);
    }

    .data-table tfoot th {
        padding: 0.75rem 1rem;
        background: var(--gray-800);
        color: white;
        border: none;
        font-weight: 600;
    }

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

    .btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        text-decoration: none;
    }

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

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

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

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

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

.btn-light {
    background: white;
    color: var(--gray-800);
    border: 1px solid var(--gray-200);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline-success {
    background: transparent;
    color: var(--success);
    border: 1px solid var(--success);
}

.btn-outline-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-outline-info {
    background: transparent;
    color: var(--info);
    border: 1px solid var(--info);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    display: block;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    background: white;
    color: var(--gray-800);
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    width: 100%;
}

    .form-control:focus, .form-select:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
        outline: none;
    }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: #dbeafe;
    color: var(--primary);
}

.badge-success {
    background: #dcfce7;
    color: var(--success);
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning);
}

.badge-danger {
    background: #fecaca;
    color: var(--danger);
}

/* Quick Actions */
.quick-actions {
    display: grid;
    gap: 0.5rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

    .action-btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        text-decoration: none;
    }

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

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

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

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

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

/* Alerts */
.alert-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    border-left: 3px solid var(--danger);
    background: #fef2f2;
    font-size: 0.8rem;
}

    .alert-item:hover {
        background: #fecaca;
    }

/* Empty State */
.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--gray-400);
}

.empty-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

.view-all-btn {
    font-size: 0.75rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

    .view-all-btn:hover {
        text-decoration: underline;
    }

/* Text Utilities */
.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-info {
    color: var(--info) !important;
}

.text-muted {
    color: var(--gray-400) !important;
}

.text-primary {
    color: var(--primary) !important;
}

.fw-semibold {
    font-weight: 600;
}

.fw-bold {
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .dashboard-header {
        padding: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}