/* Institutional Theme Styles - Formal & Professional */
:root {
    --primary-navy: #0F2A44;
    --navy-light: #1E40AF;
    --accent-gold: #D9A441;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --text-charcoal: #334155;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --success-muted: #16A34A;
    --warning-muted: #D97706;
    --danger-muted: #DC2626;
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-charcoal);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Formal Header */
.top-header {
    background-color: var(--white);
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.header-logo-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-title-text {
    margin: 0;
    color: var(--primary-navy);
    font-size: 1.6rem;
    font-weight: 700;
}

/* Formal Navbar */
.navbar {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
}

.navbar .menu {
    display: flex;
    gap: 2rem;
    height: 100%;
}

.navbar .menu a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    padding: 0 0.25rem;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.navbar .menu a i {
    margin-right: 8px;
    font-size: 0.85rem;
    opacity: 0.7;
}

.navbar .menu a:hover {
    color: var(--white);
}

.navbar .menu a.active {
    color: var(--white);
    border-bottom-color: var(--accent-gold);
}

/* Formal Cards */
.card, .section-formal {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

/* Professional Tables */
.table, .table-formal {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table-formal th {
    text-align: left;
    padding: 1rem;
    background-color: #F8FAFC;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.table td, .table-formal td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.table tr:hover, .table-formal tr:hover {
    background-color: #F8FAFC;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-navy);
}

.form-control, .form-control-custom {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.2s;
    background-color: #F9FAFB;
}

.form-control:focus, .form-control-custom:focus {
    outline: none;
    border-color: var(--primary-navy);
    box-shadow: 0 0 0 4px rgba(15, 42, 68, 0.05);
    background-color: var(--white);
}

/* Buttons */
.btn-primary, .btn-formal-primary {
    background-color: var(--primary-navy);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover, .btn-formal-primary:hover {
    background-color: var(--navy-light);
    transform: translateY(-1px);
}

.btn-outline, .btn-formal-outline {
    background-color: transparent;
    color: var(--primary-navy);
    border: 2px solid var(--primary-navy);
    padding: 0.65rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover, .btn-formal-outline:hover {
    background-color: #F1F5F9;
    transform: translateY(-1px);
}

/* Badges */
.badge, .badge-formal {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-success, .badge-formal-success { background-color: #F0FDF4; color: #166534; }
.badge-warning, .badge-formal-pending { background-color: #FFFBEB; color: #92400E; }
.badge-danger { background-color: #FEF2F2; color: #991B1B; }

/* Browse Assets Page Improvements */
.filter-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.5rem 1.25rem;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.filter-tab:hover {
    border-color: var(--primary-navy);
    color: var(--primary-navy);
}

.filter-tab.active {
    background-color: var(--primary-navy);
    color: var(--white);
    border-color: var(--primary-navy);
}

.asset-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.asset-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.04);
}

.asset-qr-section {
    background-color: #F8FAFC;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: 1fr; }
    .hero-section-formal { flex-direction: column; text-align: center; }
}