:root {
    --vh-primary: #1a73e8;
    --vh-primary-soft: #e8f0fe;
    --vh-secondary: #16a34a;
    --vh-accent: #0f766e;
    --vh-warm: #f59e0b;
    --vh-bg: #f6f8fc;
    --vh-card: #ffffff;
    --vh-border: #dbe4f0;
    --vh-text: #1f2937;
    --vh-muted: #6b7280;
}

body {
    background:
        radial-gradient(circle at top left, rgba(26, 115, 232, 0.10), transparent 28%),
        radial-gradient(circle at top right, rgba(22, 163, 74, 0.08), transparent 26%),
        linear-gradient(180deg, #ffffff 0%, var(--vh-bg) 100%);
    color: var(--vh-text);
    font-family: Roboto, Arial, sans-serif;
}

.vh-shell {
    max-width: 1600px;
    margin: 0 auto;
}

.vh-navbar {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    background: linear-gradient(90deg, #103b7a, #1a73e8);
}

.vh-hero {
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.12), rgba(22, 163, 74, 0.08));
    border: 1px solid var(--vh-border);
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.vh-card {
    background: var(--vh-card);
    border: 1px solid var(--vh-border);
    border-radius: 18px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.vh-card-header {
    border-bottom: 1px solid var(--vh-border);
    padding: 18px 20px;
    background: linear-gradient(180deg, rgba(26, 115, 232, 0.04), rgba(255, 255, 255, 0));
}

.vh-card-body {
    padding: 20px;
}

.vh-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.vh-badge.primary {
    background: var(--vh-primary-soft);
    color: var(--vh-primary);
}

.vh-badge.success {
    background: rgba(22, 163, 74, 0.12);
    color: var(--vh-secondary);
}

.vh-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: #92400e;
}

.vh-badge.muted {
    background: rgba(107, 114, 128, 0.1);
    color: var(--vh-muted);
}

.vh-filter-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vh-muted);
    margin-bottom: 0.35rem;
}

.vh-input-group-text {
    background: #eff6ff;
    border-color: var(--vh-border);
    color: #1d4ed8;
    font-weight: 700;
}

.vh-table {
    border-collapse: separate;
    border-spacing: 0;
}

.vh-table > :not(caption) > * > * {
    border-bottom-color: var(--vh-border);
}

.vh-table thead th {
    background: #eff6ff;
    color: #1e3a8a;
    border-bottom: 1px solid var(--vh-border);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
}

.vh-expand-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 10px;
}

.vh-subtable {
    background: #fbfdff;
    border: 1px solid var(--vh-border);
    border-radius: 14px;
    overflow: hidden;
}

.vh-subtable thead th {
    background: #f8fbff;
    color: #0f172a;
}

.vh-detail-row {
    background: #f9fbff;
}

.vh-mini {
    font-size: 0.86rem;
    color: var(--vh-muted);
}

.vh-actions .btn {
    border-radius: 12px;
}

.vh-section-title {
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.vh-empty {
    border: 1px dashed var(--vh-border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.75);
    padding: 24px;
    text-align: center;
    color: var(--vh-muted);
}

.vh-print-only {
    display: none;
}

@media print {
    .no-print,
    .vh-navbar,
    .vh-actions,
    .vh-filter-area,
    .vh-print-only-hidden {
        display: none !important;
    }

    body {
        background: #fff !important;
    }

    .vh-card,
    .vh-hero {
        box-shadow: none !important;
    }

    .vh-print-only {
        display: block !important;
    }
}