:root {
    /* Brand colors from style-pack tokens */
    --primary-color: var(--vs-blue);      /* #4DA3FF */
    --primary-light: var(--vs-mint);      /* #2EE6A6 */
    --primary-dark: #3B8AD9;              /* Darker blue for hover */

    /* Dark theme (sidebar) */
    --sidebar-bg: var(--vs-ink);          /* #0B1220 */
    --sidebar-text: #E8F1FF;              /* Light blue-white */

    /* Light theme */
    --header-bg: var(--vs-white);         /* #FFFFFF */
    --content-bg: var(--vs-paper);        /* #F6F8FB */
    --border-color: #E2E8F0;              /* Keeps working well */

    /* Text */
    --text-primary: var(--vs-slate);      /* #334155 */
    --text-secondary: #64748B;            /* Neutral gray */

    /* Radius from style-pack */
    --radius-card: var(--vs-radius-card);     /* 16px */
    --radius-control: var(--vs-radius-control); /* 12px */
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--content-bg);
}

.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    flex-shrink: 0;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.top-row {
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-name {
    font-weight: 700;
    font-size: 1.25rem;
    background: var(--vs-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu { padding: 1rem 0; }

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
}

.brand-icon { width: 32px; height: 32px; }

.brand-text {
    font-weight: 700;
    font-size: 1.25rem;
    background: var(--vs-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-control);
    transition: background-color 0.2s;
}

.nav-link:hover { background: rgba(255, 255, 255, 0.1); }
.nav-link.active { background: var(--primary-color); }
button.nav-link { border: none; background: none; cursor: pointer; font-size: inherit; font-family: inherit; width: 100%; text-align: left; }
.nav-icon { font-size: 1.1rem; }
.nav-divider { height: 1px; background: rgba(255, 255, 255, 0.1); margin: 0.75rem 0; }

/* Admin group header - non-clickable label */
.nav-group-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem 0.25rem;
    color: rgba(232, 241, 255, 0.6);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Admin sub-links - indented under the group header */
.nav-sub-link { padding-left: 2.75rem; font-size: 0.85rem; }

/* Mobile-only links hidden on desktop (generic + admin-specific) */
.nav-group-mobile-link { display: none; }
.nav-admin-mobile-link { display: none; }

.nav-no-access { padding: 1rem; color: rgba(255, 255, 255, 0.5); font-size: 0.8rem; text-align: center; }
.nav-no-access p { margin: 0.25rem 0; }

.content { padding: 1.5rem; flex: 1; }

.user-info { display: flex; align-items: center; gap: 1rem; }
.user-name { color: var(--text-secondary); }

.sign-out-link, .sign-in-link {
    color: var(--primary-color);
    text-decoration: none;
}

.sign-out-link:hover, .sign-in-link:hover { text-decoration: underline; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-control);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary { background: var(--primary-color); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #e2e8f0; color: var(--text-primary); }
.btn-secondary:hover { background: #cbd5e0; }
.btn-danger { background: #ef4444; color: white; }
.btn-danger:hover { background: #dc2626; }

.required-indicator {
    color: #e53e3e;
    margin-left: 0.15rem;
}

.form-group { margin-bottom: 1rem; }

.form-label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    font-size: 0.9rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(77, 163, 255, 0.2);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.table th, .table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table tr:hover { background: #f8fafc; }

.card {
    background: white;
    border-radius: var(--radius-card);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

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

.card-title { font-size: 1.1rem; font-weight: 600; margin: 0; }

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.badge-open { background: #e2e8f0; color: #475569; }
.badge-submitted { background: #dbeafe; color: #1d4ed8; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dcfce7; color: #166534; }
.badge-rejected { background: #fee2e2; color: #dc2626; }

@media (max-width: 768px) {
    .page { flex-direction: column; }
    .sidebar { width: 100%; position: fixed; bottom: 0; left: 0; z-index: 1000; }
    .nav-menu { padding: 0.5rem; }
    .nav-brand { display: none; }
    .nav-links { flex-direction: row; justify-content: space-around; padding: 0; }
    .nav-link { flex-direction: column; padding: 0.5rem; font-size: 0.75rem; }
    .nav-link span:last-child { display: none; }
    .nav-group-desktop { display: none !important; }
    .nav-group-mobile-link { display: flex; }
    .nav-admin-desktop { display: none !important; }
    .nav-admin-mobile-link { display: flex; }
    main { padding-bottom: 60px; }
}

/* ========================================
   Approvals Pages Styles
   ======================================== */

/* Approvals container */
.approvals-container,
.requests-container {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.approvals-header,
.requests-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.approvals-header h2,
.requests-header h2 {
    margin: 0;
    color: var(--text-primary);
}

/* Filter tabs */
.filter-tabs {
    display: flex;
    gap: 8px;
}

.filter-tabs .tab {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--header-bg);
    border-radius: var(--radius-control);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.filter-tabs .tab:hover {
    background: var(--content-bg);
}

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

/* Approval/Request cards */
.approvals-list,
.requests-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.approval-card,
.request-card {
    background: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 20px;
    transition: all 0.2s;
}

.approval-card:hover,
.request-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* Status classes */
.status-pending {
    border-left: 4px solid #FFA500;
}

.status-approved {
    border-left: 4px solid #22C55E;
}

.status-rejected {
    border-left: 4px solid #EF4444;
}

/* Card header */
.approval-header,
.request-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.approval-type,
.request-type {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.type-icon {
    font-size: 20px;
}

.entity-id {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    background: var(--content-bg);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Status badge */
.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.approval-status .status-badge,
.status-badge.status-pending {
    background: #FEF3C7;
    color: #92400E;
}

.status-badge.status-approved {
    background: #D1FAE5;
    color: #065F46;
}

.status-badge.status-rejected {
    background: #FEE2E2;
    color: #991B1B;
}

/* Card details */
.approval-details,
.request-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-row.full-width {
    grid-column: 1 / -1;
}

.detail-row .label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-row .value {
    font-size: 14px;
    color: var(--text-primary);
}

.detail-row .value.amount {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 16px;
}

/* Actions */
.approval-actions,
.request-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.btn-approve,
.btn-reject {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-control);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-approve {
    background: #22C55E;
    color: white;
}

.btn-approve:hover:not(:disabled) {
    background: #16A34A;
    transform: translateY(-1px);
}

.btn-reject {
    background: #EF4444;
    color: white;
}

.btn-reject:hover:not(:disabled) {
    background: #DC2626;
    transform: translateY(-1px);
}

.btn-approve:disabled,
.btn-reject:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.waiting-approval {
    color: var(--text-secondary);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-state h2 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* Refresh button */
.refresh-btn {
    padding: 8px 16px;
    background: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.refresh-btn:hover:not(:disabled) {
    background: var(--content-bg);
    border-color: var(--primary-color);
}

.refresh-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive design */
@media (max-width: 768px) {
    .approval-header,
    .request-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .approval-details,
    .request-details {
        grid-template-columns: 1fr;
    }

    .filter-tabs {
        flex-wrap: wrap;
    }

    .filter-tabs .tab {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* =============================================================================
   Loading Spinner — shared across all components (host + features)
   ============================================================================= */

.loading-spinner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    gap: 0.75rem;
}

.loading-spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid #e2e8f0;
    border-top-color: var(--primary-color, #2563eb);
    border-radius: 50%;
    animation: loading-spin 0.8s linear infinite;
}

.loading-spinner-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@keyframes loading-spin {
    to { transform: rotate(360deg); }
}