:root {
    --brand-orange: #f97316;
    --brand-orange-dark: #ea580c;
    --bg-light: #f8f9fa;
    --border-color: #e9ecef;
    --text-muted: #6c757d;
}

body {
    background: var(--bg-light);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: #1f2937;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.navbar-brand span {
    color: var(--brand-orange);
}

.sidebar {
    min-height: calc(100vh - 56px);
    background: #fff;
    border-right: 1px solid var(--border-color);
    padding: 1rem 0;
}

.sidebar .nav-link {
    color: #374151;
    padding: 0.6rem 1.25rem;
    border-left: 3px solid transparent;
    font-size: 0.925rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: #fff7ed;
    color: var(--brand-orange-dark);
    border-left-color: var(--brand-orange);
}

.main-content {
    padding: 1.5rem;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.25rem;
    height: 100%;
    transition: box-shadow 0.15s;
}

.stat-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #111827;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-card.accent .stat-value {
    color: var(--brand-orange);
}

.card-panel {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.card-panel .card-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 0.875rem 1.25rem;
}

.table-hover tbody tr:hover {
    background-color: #f3f4f6;
}

.btn-primary {
    background: var(--brand-orange);
    border-color: var(--brand-orange);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--brand-orange-dark);
    border-color: var(--brand-orange-dark);
}

.btn-outline-primary {
    color: var(--brand-orange);
    border-color: var(--brand-orange);
}

.btn-outline-primary:hover {
    background: var(--brand-orange);
    border-color: var(--brand-orange);
}

.page-link {
    color: var(--brand-orange);
}

.page-item.active .page-link {
    background: var(--brand-orange);
    border-color: var(--brand-orange);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 0.2rem rgba(249, 115, 22, 0.2);
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fff 0%, #f3f4f6 100%);
}

.login-card {
    max-width: 420px;
    width: 100%;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.badge-status {
    font-weight: 500;
}

.filter-bar {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.chart-container {
    position: relative;
    height: 280px;
}

.user-select-all {
    user-select: all;
    cursor: text;
}

@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}