/* ================================================================
   OPENOMNES ADMIN — Shared Design System
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --oo-bg: #F0F4F8;
    --oo-surface: #FFFFFF;
    --oo-surface-alt: #F7F9FC;
    --oo-primary: #4F46E5;
    --oo-primary-light: #EEF2FF;
    --oo-primary-hover: #4338CA;
    --oo-green: #10B981;
    --oo-green-light: #D1FAE5;
    --oo-amber: #F59E0B;
    --oo-amber-light: #FEF3C7;
    --oo-red: #EF4444;
    --oo-red-light: #FEE2E2;
    --oo-blue: #3B82F6;
    --oo-blue-light: #DBEAFE;
    --oo-purple: #8B5CF6;
    --oo-purple-light: #EDE9FE;
    --oo-indigo: #6366F1;
    --oo-indigo-light: #E0E7FF;
    --oo-text: #1E293B;
    --oo-text-secondary: #64748B;
    --oo-text-muted: #94A3B8;
    --oo-border: #E2E8F0;
    --oo-border-light: #F1F5F9;
    --oo-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --oo-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --oo-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --oo-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --oo-radius: 12px;
    --oo-radius-lg: 16px;
    --oo-radius-sm: 8px;
    --oo-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--oo-bg);
    color: var(--oo-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ── Top Bar ─────────────────────────────────────────────────── */
.oo-topbar {
    background: var(--oo-surface);
    border-bottom: 1px solid var(--oo-border);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--oo-shadow-sm);
}

.oo-topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--oo-text);
}

.oo-topbar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--oo-primary), #7C3AED);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
}

.oo-topbar-brand h1 {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.oo-topbar-brand h1 span {
    color: var(--oo-text-muted);
    font-weight: 400;
    margin-left: 0.5rem;
    font-size: 0.85rem;
}

.oo-topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.oo-topbar-nav {
    display: flex;
    gap: 0.25rem;
}

.oo-topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--oo-text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.45rem 0.85rem;
    border-radius: var(--oo-radius-sm);
    transition: var(--oo-transition);
}

.oo-topbar-link:hover {
    background: var(--oo-surface-alt);
    color: var(--oo-text);
}

.oo-topbar-link.active {
    background: var(--oo-primary-light);
    color: var(--oo-primary);
    font-weight: 600;
}

.oo-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--oo-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--oo-radius-sm);
    border: 1px solid var(--oo-border);
    background: var(--oo-surface);
    transition: var(--oo-transition);
}

.oo-back-btn:hover {
    background: var(--oo-surface-alt);
    color: var(--oo-text);
}

/* ── Main ────────────────────────────────────────────────────── */
.oo-main {
    max-width: 1320px;
    margin: 0 auto;
    padding: 2rem;
}

/* ── Cards ───────────────────────────────────────────────────── */
.oo-card {
    background: var(--oo-surface);
    border: 1px solid var(--oo-border-light);
    border-radius: var(--oo-radius-lg);
    box-shadow: var(--oo-shadow-sm);
    overflow: hidden;
}

.oo-card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--oo-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--oo-surface-alt);
}

.oo-card-header h3 {
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.oo-card-body {
    padding: 1.5rem;
}

/* ── KPI Grid ────────────────────────────────────────────────── */
.oo-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.oo-kpi-card {
    background: var(--oo-surface);
    border: 1px solid var(--oo-border-light);
    border-radius: var(--oo-radius);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--oo-transition);
    box-shadow: var(--oo-shadow-sm);
    cursor: default;
}

.oo-kpi-card:hover {
    box-shadow: var(--oo-shadow-md);
    transform: translateY(-2px);
}

.oo-kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--oo-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.oo-kpi-icon.blue {
    background: var(--oo-blue-light);
}

.oo-kpi-icon.amber {
    background: var(--oo-amber-light);
}

.oo-kpi-icon.green {
    background: var(--oo-green-light);
}

.oo-kpi-icon.red {
    background: var(--oo-red-light);
}

.oo-kpi-icon.purple {
    background: var(--oo-purple-light);
}

.oo-kpi-icon.indigo {
    background: var(--oo-indigo-light);
}

.oo-kpi-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--oo-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

.oo-kpi-value {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--oo-text);
    line-height: 1.2;
}

.oo-kpi-sub {
    font-size: 0.72rem;
    color: var(--oo-text-secondary);
    margin-top: 0.1rem;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.oo-btn {
    padding: 0.6rem 1.25rem;
    border-radius: var(--oo-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--oo-transition);
    font-family: inherit;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

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

.oo-btn-primary:hover {
    background: var(--oo-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--oo-shadow-md);
}

.oo-btn-ghost {
    background: transparent;
    color: var(--oo-text-secondary);
    border-color: var(--oo-border);
}

.oo-btn-ghost:hover {
    background: var(--oo-surface-alt);
    color: var(--oo-text);
}

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

.oo-btn-danger:hover {
    background: #DC2626;
}

.oo-btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
}

.oo-btn-icon {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--oo-transition);
    color: var(--oo-text-muted);
    padding: 0;
}

.oo-btn-icon:hover {
    background: var(--oo-bg);
    color: var(--oo-text);
}

.oo-btn-icon.danger:hover {
    background: var(--oo-red-light);
    color: var(--oo-red);
}

/* ── Badge / Tag ─────────────────────────────────────────────── */
.oo-tag {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: inline-block;
}

.oo-tag.green {
    background: var(--oo-green-light);
    color: #059669;
}

.oo-tag.amber {
    background: var(--oo-amber-light);
    color: #D97706;
}

.oo-tag.red {
    background: var(--oo-red-light);
    color: var(--oo-red);
}

.oo-tag.blue {
    background: var(--oo-blue-light);
    color: #2563EB;
}

.oo-tag.purple {
    background: var(--oo-purple-light);
    color: #7C3AED;
}

/* ── Table ───────────────────────────────────────────────────── */
.oo-table-wrap {
    overflow-x: auto;
}

.oo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.oo-table th {
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--oo-text-muted);
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--oo-border);
    white-space: nowrap;
}

.oo-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--oo-border-light);
    vertical-align: middle;
}

.oo-table tbody tr {
    transition: var(--oo-transition);
}

.oo-table tbody tr:hover {
    background: var(--oo-surface-alt);
}

.oo-table tbody tr.clickable {
    cursor: pointer;
}

/* ── Forms ───────────────────────────────────────────────────── */
.oo-form-group {
    margin-bottom: 1.25rem;
}

.oo-form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--oo-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.oo-form-group input,
.oo-form-group select,
.oo-form-group textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--oo-border);
    border-radius: var(--oo-radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--oo-text);
    background: var(--oo-surface);
    transition: var(--oo-transition);
    outline: none;
}

.oo-form-group input:focus,
.oo-form-group select:focus,
.oo-form-group textarea:focus {
    border-color: var(--oo-primary);
    box-shadow: 0 0 0 3px var(--oo-primary-light);
}

.oo-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.oo-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ── Modal ───────────────────────────────────────────────────── */
.oo-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.oo-modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.oo-modal {
    background: var(--oo-surface);
    border-radius: var(--oo-radius-lg);
    box-shadow: var(--oo-shadow-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.oo-modal-overlay.open .oo-modal {
    transform: translateY(0) scale(1);
}

.oo-modal-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--oo-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.oo-modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.oo-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--oo-surface-alt);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--oo-text-muted);
    transition: var(--oo-transition);
}

.oo-modal-close:hover {
    background: var(--oo-red-light);
    color: var(--oo-red);
}

.oo-modal-body {
    padding: 1.5rem 1.75rem;
}

.oo-modal-footer {
    padding: 1.25rem 1.75rem;
    border-top: 1px solid var(--oo-border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ── Toast ───────────────────────────────────────────────────── */
.oo-toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.oo-toast {
    background: var(--oo-text);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--oo-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--oo-shadow-lg);
    animation: ooToastIn 0.3s ease, ooToastOut 0.3s ease 2.7s forwards;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@keyframes ooToastIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ooToastOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* ── Section Header ──────────────────────────────────────────── */
.oo-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.oo-section-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ── Empty State ─────────────────────────────────────────────── */
.oo-empty {
    padding: 3rem;
    text-align: center;
    color: var(--oo-text-muted);
}

.oo-empty .empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.oo-empty p {
    font-size: 0.9rem;
}

/* ── Detail Sidebar Panel ────────────────────────────────────── */
.oo-detail-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    background: var(--oo-surface);
    border-left: 1px solid var(--oo-border);
    box-shadow: var(--oo-shadow-xl);
    z-index: 200;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.oo-detail-panel.open {
    transform: translateX(0);
}

.oo-detail-panel-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--oo-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--oo-surface);
    z-index: 1;
}

.oo-detail-panel-body {
    padding: 1.5rem;
    flex: 1;
}

.oo-detail-field {
    margin-bottom: 1.25rem;
}

.oo-detail-field .field-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--oo-text-muted);
    letter-spacing: 0.04em;
    margin-bottom: 0.3rem;
}

.oo-detail-field .field-value {
    font-size: 0.92rem;
    color: var(--oo-text);
}

/* ── File Upload Zone ────────────────────────────────────────── */
.oo-upload-zone {
    border: 2px dashed var(--oo-border);
    border-radius: var(--oo-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--oo-transition);
    background: var(--oo-surface-alt);
}

.oo-upload-zone:hover {
    border-color: var(--oo-primary);
    background: var(--oo-primary-light);
}

.oo-upload-zone .upload-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.oo-upload-zone p {
    font-size: 0.85rem;
    color: var(--oo-text-secondary);
}

.oo-upload-zone .upload-hint {
    font-size: 0.72rem;
    color: var(--oo-text-muted);
    margin-top: 0.3rem;
}

/* ── Analysis Result ─────────────────────────────────────────── */
.oo-analysis-result {
    background: var(--oo-surface-alt);
    border: 1px solid var(--oo-border);
    border-radius: var(--oo-radius);
    padding: 1.5rem;
    margin-top: 1rem;
}

.oo-analysis-result h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.oo-analysis-section {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--oo-border-light);
}

.oo-analysis-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.oo-analysis-section h5 {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--oo-primary);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.oo-analysis-section p,
.oo-analysis-section ul {
    font-size: 0.85rem;
    color: var(--oo-text-secondary);
    line-height: 1.6;
}

.oo-analysis-section ul {
    padding-left: 1.25rem;
}

.oo-analysis-section li {
    margin-bottom: 0.3rem;
}

.oo-risk-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin: 0.2rem 0.25rem 0.2rem 0;
}

.oo-risk-tag.warning {
    background: var(--oo-amber-light);
    color: #D97706;
}

/* ── Nav Grid ────────────────────────────────────────────────── */
.oo-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.oo-nav-card {
    background: var(--oo-surface);
    border: 1px solid var(--oo-border);
    border-radius: var(--oo-radius-lg);
    padding: 1.75rem;
    text-decoration: none;
    color: var(--oo-text);
    transition: var(--oo-transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.oo-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--oo-border);
    transition: var(--oo-transition);
}

.oo-nav-card.indigo::before {
    background: var(--oo-indigo);
}

.oo-nav-card.green::before {
    background: var(--oo-green);
}

.oo-nav-card.blue::before {
    background: var(--oo-blue);
}

.oo-nav-card.amber::before {
    background: var(--oo-amber);
}

.oo-nav-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--oo-shadow-lg);
    border-color: transparent;
}

.oo-nav-card .nav-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--oo-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    transition: var(--oo-transition);
}

.oo-nav-card.indigo .nav-card-icon {
    background: var(--oo-indigo-light);
}

.oo-nav-card.green .nav-card-icon {
    background: var(--oo-green-light);
}

.oo-nav-card.blue .nav-card-icon {
    background: var(--oo-blue-light);
}

.oo-nav-card.amber .nav-card-icon {
    background: var(--oo-amber-light);
}

.oo-nav-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.oo-nav-card p {
    font-size: 0.88rem;
    color: var(--oo-text-secondary);
    line-height: 1.5;
    flex: 1;
}

.oo-nav-card .nav-card-stat {
    margin-top: 1.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    color: var(--oo-text);
}

/* ── Activity Feed ───────────────────────────────────────────── */
.oo-activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--oo-border-light);
    transition: var(--oo-transition);
}

.oo-activity-item:last-child {
    border-bottom: none;
}

.oo-activity-item:hover {
    background: var(--oo-surface-alt);
    border-radius: var(--oo-radius-sm);
}

.oo-activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.oo-activity-text {
    flex: 1;
    font-size: 0.88rem;
    color: var(--oo-text-secondary);
    line-height: 1.4;
}

.oo-activity-text strong {
    color: var(--oo-text);
    font-weight: 600;
}

.oo-activity-time {
    font-size: 0.75rem;
    color: var(--oo-text-muted);
    flex-shrink: 0;
    white-space: nowrap;
}

.oo-risk-tag.danger {
    background: var(--oo-red-light);
    color: var(--oo-red);
}

.oo-risk-tag.safe {
    background: var(--oo-green-light);
    color: #059669;
}

/* ── Activity Feed ───────────────────────────────────────────── */
.oo-activity-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--oo-border-light);
}

.oo-activity-item:last-child {
    border-bottom: none;
}

.oo-activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.oo-activity-text {
    font-size: 0.82rem;
    color: var(--oo-text-secondary);
    flex: 1;
}

.oo-activity-text strong {
    color: var(--oo-text);
}

.oo-activity-time {
    font-size: 0.7rem;
    color: var(--oo-text-muted);
    white-space: nowrap;
}

/* ── Spinner ─────────────────────────────────────────────────── */
.oo-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--oo-border);
    border-top-color: var(--oo-primary);
    border-radius: 50%;
    animation: ooSpin 0.7s linear infinite;
    margin: 2rem auto;
}

@keyframes ooSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Quick Nav Cards (for Admin Hub) ─────────────────────────── */
.oo-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.oo-nav-card {
    background: var(--oo-surface);
    border: 1px solid var(--oo-border-light);
    border-radius: var(--oo-radius-lg);
    padding: 1.75rem;
    text-decoration: none;
    color: var(--oo-text);
    transition: var(--oo-transition);
    box-shadow: var(--oo-shadow-sm);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.oo-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.oo-nav-card.indigo::before {
    background: linear-gradient(90deg, #4F46E5, #7C3AED);
}

.oo-nav-card.green::before {
    background: linear-gradient(90deg, #10B981, #34D399);
}

.oo-nav-card.blue::before {
    background: linear-gradient(90deg, #3B82F6, #60A5FA);
}

.oo-nav-card.amber::before {
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
}

.oo-nav-card:hover {
    box-shadow: var(--oo-shadow-lg);
    transform: translateY(-4px);
}

.oo-nav-card .nav-card-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.oo-nav-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.oo-nav-card p {
    font-size: 0.82rem;
    color: var(--oo-text-secondary);
    line-height: 1.5;
}

.oo-nav-card .nav-card-stat {
    font-size: 1.75rem;
    font-weight: 800;
    margin-top: 0.75rem;
    color: var(--oo-primary);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .oo-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .oo-topbar {
        padding: 0 1rem;
    }

    .oo-topbar-brand h1 span {
        display: none;
    }

    .oo-topbar-nav {
        display: none;
    }

    .oo-main {
        padding: 1rem;
    }

    .oo-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .oo-kpi-card {
        padding: 1rem;
    }

    .oo-kpi-value {
        font-size: 1.35rem;
    }

    .oo-form-row {
        grid-template-columns: 1fr;
    }

    .oo-modal {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }

    .oo-detail-panel {
        width: 100%;
    }

    .oo-nav-grid {
        grid-template-columns: 1fr;
    }
}

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