:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.1);
    --shadow-md: 0 10px 25px -15px rgba(15, 23, 42, 0.35);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: "DM Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 0.5rem;
    font-size: clamp(1.75rem, 2vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
    font-weight: 700;
}

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

.sidebar {
    position: sticky;
    top: 0;
    width: 260px;
    height: 100vh;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-right: 1px solid var(--border);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 0.875rem;
    font-weight: 800;
}

.nav-menu {
    flex: 1;
    padding: 1.25rem 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title,
.eyebrow {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-section-title {
    padding: 0 1.25rem;
    margin-bottom: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    border-left: 3px solid transparent;
    color: var(--text-secondary);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.nav-item:hover,
.nav-item.active {
    background: var(--bg-tertiary);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-item-muted {
    color: var(--text-muted);
}

.nav-icon {
    width: 20px;
    display: inline-flex;
    justify-content: center;
}

.main-content {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.top-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}

.search-bar {
    width: min(100%, 520px);
}

.search-input {
    width: 100%;
    padding: 0.625rem 1rem 0.625rem 2.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    color: var(--text-primary);
}

.search-input:focus,
.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    background-color: var(--bg-primary);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tenant-switcher,
.language-switcher,
.tenant-label {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 200px;
}

.tenant-switcher-label {
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tenant-select {
    min-height: 2.25rem;
    padding: 0.375rem 0.625rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.tenant-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.language-flags {
    display: flex;
    gap: 0.4rem;
}

.language-flag-button {
    min-height: 2.25rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.language-flag-button.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.tenant-label strong {
    font-size: 0.875rem;
    font-weight: 700;
}

.icon-button {
    position: relative;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.icon-button:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.notification-badge {
    position: absolute;
    top: -0.35rem;
    right: -0.35rem;
    min-width: 1.125rem;
    height: 1.125rem;
    padding: 0 0.25rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--danger);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-primary);
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 800;
}

.user-summary {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-summary span {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: capitalize;
}

.user-summary small {
    max-width: 180px;
    overflow: hidden;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-overflow: ellipsis;
}

.logout-button {
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.logout-button:hover {
    color: var(--primary);
}

.content-area {
    flex: 1;
    padding: 2rem;
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.page-header p {
    max-width: 760px;
    margin-bottom: 0;
    color: var(--text-secondary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

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

.btn-secondary {
    border-color: var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.btn.btn-secondary:hover,
.btn.btn-secondary:focus-visible {
    background: var(--bg-secondary);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #b91c1c;
    color: #fff;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card,
.card,
.table-container {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
}

.stat-card {
    padding: 1.5rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-label {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 700;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.stat-change {
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.warning {
    color: var(--warning);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    overflow: hidden;
}

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

.card-header p {
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.activity-list,
.health-list {
    padding: 1.5rem;
}

.activity-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background: var(--bg-secondary);
}

.activity-item + .activity-item {
    margin-top: 0.75rem;
}

.activity-item strong,
.activity-item span {
    display: block;
}

.activity-item span:not(.badge) {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.activity-icon,
.product-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 800;
}

.activity-icon.blue {
    background: var(--primary);
}

.activity-icon.green {
    background: var(--success);
}

.activity-icon.purple {
    background: #7c3aed;
}

.badge {
    width: max-content;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 800;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.health-row + .health-row {
    margin-top: 1.5rem;
}

.health-row strong,
.health-row span {
    display: block;
}

.health-row span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.progress-track {
    height: 8px;
    margin-top: 0.75rem;
    overflow: hidden;
    border-radius: 999px;
    background: var(--bg-tertiary);
}

.progress-fill {
    height: 100%;
    border-radius: inherit;
}

.progress-fill.success {
    background: var(--success);
}

.progress-fill.primary {
    background: var(--primary);
}

.progress-fill.warning {
    background: var(--warning);
}

.table-container {
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-tertiary);
}

th,
td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 800;
}

tbody tr:hover {
    background: var(--bg-secondary);
}

.product-name {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
}

.product-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-tertiary);
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent 36rem),
        linear-gradient(135deg, #eff6ff 0%, #f8fafc 45%, #ffffff 100%);
}

.login-card {
    width: min(100%, 480px);
    padding: 2rem;
    border: 1px solid rgba(226, 232, 240, 0.85);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 24px 70px -36px rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(16px);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.login-intro,
.login-note {
    color: var(--text-secondary);
}

.login-form {
    display: grid;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.login-form label {
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 800;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-error {
    color: var(--danger);
    font-size: 0.875rem;
    font-weight: 700;
}

.form-info {
    color: var(--success);
    font-size: 0.875rem;
    font-weight: 700;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-submit {
    margin-top: 0.5rem;
    width: 100%;
}

.prefill-panel {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.prefill-buttons {
    display: grid;
    gap: 0.5rem;
}

.prefill-button {
    justify-content: flex-start;
}

.system-card {
    max-width: 780px;
}

.users-tenant-card {
    margin-bottom: 1rem;
}

.products-search-card {
    margin-bottom: 1rem;
    padding: 1rem;
}

.products-search-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
}

.products-paging {
    padding: 1rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.products-page-picker .form-input {
    width: auto;
}

.products-page-status {
    white-space: nowrap;
}

.products-page-jump {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.products-page-jump label {
    white-space: nowrap;
}

.products-page-jump .form-input {
    width: 5rem;
}

/* ── Product detail header ─────────────────────────────────────── */

.pd-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1.75rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
}

.pd-header-icon {
    width: 88px;
    height: 88px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.pd-product-image-panel {
    width: 150px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
}

.pd-product-image-panel .pd-header-icon {
    width: 120px;
    height: 120px;
}

.pd-product-image {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-secondary);
    box-shadow: var(--shadow);
}

.pd-product-image-panel input[type="file"] {
    max-width: 150px;
    font-size: 0.75rem;
}

.pd-header-body {
    min-width: 0;
}

.pd-title {
    margin-bottom: 0.25rem;
    font-size: clamp(1.35rem, 2vw, 1.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.pd-description {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.pd-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem 1.25rem;
    margin-top: 1rem;
}

.pd-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.pd-meta-label {
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.pd-meta-value {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 700;
}

.pd-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.pd-qr img {
    width: 140px;
    height: 140px;
    border: 1px solid var(--border);
    border-radius: 10px;
}

.pd-qr small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.pd-public-link {
    margin-top: 0.35rem;
    white-space: nowrap;
}

/* ── Product detail tabs + L2 card grid ────────────────────────── */

.pd-tabs-container {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.pd-tab-bar {
    display: flex;
    gap: 0;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow-x: auto;
    scrollbar-width: none;
}

.pd-tab {
    display: inline-flex;
    align-items: center;
    padding: 0.9rem 1.1rem;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.pd-tab:hover {
    color: var(--text-primary);
}

.pd-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 700;
}

.pd-tab-content {
    padding: 1.5rem;
    animation: tab-in 0.15s ease;
}

.pd-l2-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.pd-l2-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
    padding: 1.25rem 1.5rem;
}

.pd-l2-card-wide {
    grid-column: 1 / -1;
}

.pd-l2-title {
    margin: 0 0 0.85rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pd-l2-card .l3-row {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
}

.pd-l2-card .l3-row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

/* ── Operational accordion ─────────────────────────────────────── */

.pd-ops-accordion {
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.pd-ops-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
    text-align: left;
}

.pd-ops-toggle:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.pd-ops-toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pd-ops-chevron {
    display: inline-block;
    font-size: 1.1rem;
    line-height: 1;
    transition: transform 0.2s ease;
    color: var(--text-muted);
}

.pd-ops-chevron.open {
    transform: rotate(180deg);
}

.pd-ops-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
}

.pd-ops-badge.error {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
}

.pd-ops-badge.warning {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
}

.pd-ops-body {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    animation: accordion-open 0.18s ease;
}

.mt-3 {
    margin-top: 0.75rem;
}

.product-version-panel {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    padding: 0.85rem;
    margin-bottom: 1rem;
}

.product-version-title {
    font-weight: 800;
    color: var(--text-primary);
}

.product-version-meta,
.product-version-status {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.product-version-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
}

.product-version-button {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 0.4rem 0.65rem;
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.product-version-button.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.product-integrity-panel {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid var(--border);
    border-left: 4px solid var(--text-secondary);
    border-radius: 10px;
    background: var(--bg-primary);
    padding: 0.85rem;
    margin-bottom: 1rem;
}

.product-integrity-panel.verified {
    border-left-color: var(--success);
}

.product-integrity-panel.warning {
    border-left-color: var(--warning);
}

.product-integrity-panel.failed {
    border-left-color: var(--danger);
}

.product-integrity-title {
    font-weight: 800;
    color: var(--text-primary);
}

.product-integrity-meta {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.product-integrity-counts {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
}

.product-integrity-counts span {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.35rem 0.55rem;
    font-size: 0.8125rem;
    font-weight: 700;
}

.product-anchor-panel {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid var(--border);
    border-left: 4px solid var(--text-secondary);
    border-radius: 10px;
    background: var(--bg-primary);
    padding: 0.85rem;
    margin-bottom: 1rem;
}

.product-anchor-panel.verified {
    border-left-color: var(--success);
}

.product-anchor-panel.warning {
    border-left-color: var(--warning);
}

.product-anchor-panel.failed {
    border-left-color: var(--danger);
}

.product-anchor-title {
    font-weight: 800;
    color: var(--text-primary);
}

.product-anchor-meta {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.product-anchor-status span {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.35rem 0.55rem;
    font-size: 0.8125rem;
    font-weight: 700;
    white-space: nowrap;
}

.product-anchor-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
    width: 100%;
}

.product-anchor-actions .btn {
    min-height: 34px;
    padding: 0.4rem 0.65rem;
    font-size: 0.8125rem;
}

.product-anchor-message {
    grid-column: 1 / -1;
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.l1-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.l1-tab {
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.l1-tab.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.tab-content {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-secondary);
    padding: 0.9rem;
}

.l2-section + .l2-section {
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--border);
}

.l2-title {
    margin: 0 0 0.65rem;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.l3-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.3rem 0;
}

.l3-row.changed {
    margin: 0.2rem -0.45rem;
    padding: 0.45rem;
    border-left: 3px solid var(--warning);
    border-radius: 8px;
    background: rgba(245, 158, 11, 0.1);
}

.l3-label {
    color: var(--text-secondary);
}

.l3-value {
    font-weight: 700;
    text-align: right;
}

.l3-value small {
    display: block;
    margin-top: 0.2rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
}

.product-history-panel {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-primary);
    margin-top: 1rem;
    overflow: hidden;
}

.product-history-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.product-history-title {
    font-weight: 800;
    color: var(--text-primary);
}

.product-history-meta,
.product-history-empty,
.product-history-more {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.product-history-status span {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.35rem 0.55rem;
    font-size: 0.8125rem;
    font-weight: 700;
    white-space: nowrap;
}

.product-history-empty,
.product-history-more {
    padding: 0.85rem;
}

.product-history-list {
    display: grid;
}

.product-history-item {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(260px, 1.2fr);
    gap: 1rem;
    padding: 0.75rem 0.85rem;
    border-bottom: 1px solid var(--border);
}

.product-history-item:last-child {
    border-bottom: 0;
}

.product-history-item strong,
.product-history-item small,
.product-history-detail span,
.product-history-detail small {
    display: block;
}

.product-history-item small,
.product-history-detail small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.product-history-operation {
    display: inline-block;
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.2rem 0.45rem;
    margin-bottom: 0.25rem;
    font-size: 0.7rem;
    font-weight: 800;
}

.product-history-operation.insert {
    background: rgba(22, 163, 74, 0.12);
    color: var(--success);
}

.product-history-operation.update {
    background: rgba(245, 158, 11, 0.14);
    color: var(--warning);
}

.product-history-operation.delete {
    background: rgba(220, 38, 38, 0.12);
    color: var(--danger);
}

.system-actions {
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
}

/* ── Template browser ──────────────────────────────────────────── */

.template-browser {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.template-browser-search {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 0.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.template-create-toggle {
    white-space: nowrap;
}

.template-create-accordion {
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    animation: accordion-open 0.18s ease;
}

@keyframes accordion-open {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.template-create-accordion-inner {
    padding: 1rem;
}

.template-create-fields {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 0.5rem;
    align-items: end;
}

.template-message {
    padding: 1rem;
}

/* template card list */

.template-card-list {
    display: flex;
    flex-direction: row;
    gap: 0;
    overflow-x: auto;
    padding: 0;
    scrollbar-width: thin;
}

.template-card {
    flex: 0 0 auto;
    min-width: 200px;
    max-width: 280px;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.85rem 1rem;
    border: 0;
    border-right: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: background 0.15s ease;
}

.template-card:last-child {
    border-right: 0;
}

.template-card:hover {
    background: var(--bg-secondary);
}

.template-card.active {
    background: var(--bg-secondary);
    box-shadow: inset 0 -3px 0 var(--primary);
}

.template-card-name {
    font-weight: 700;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.template-card-desc {
    color: var(--text-secondary);
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.template-card-counts {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.35rem;
}

.template-card-counts span {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.45rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
}

/* ── Template detail area ───────────────────────────────────────── */

.template-detail-area {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.template-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
}

.template-detail-header h2 {
    margin-bottom: 0.2rem;
    font-size: 1.35rem;
    font-weight: 800;
}

.template-detail-header p {
    margin-bottom: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.template-warning {
    margin: 0.75rem 1.25rem 0;
    padding: 0.75rem 0.9rem;
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-left: 4px solid var(--warning);
    border-radius: 8px;
    background: rgba(245, 158, 11, 0.1);
    color: #7c2d12;
    font-size: 0.875rem;
    font-weight: 700;
}

.template-metrics {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
    flex-shrink: 0;
}

.template-metrics span,
.template-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0.25rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 800;
}

/* ── Tabs ────────────────────────────────────────────────────────── */

.template-tabs {
    display: flex;
    gap: 0;
    padding: 0 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow-x: auto;
    scrollbar-width: none;
}

.template-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.template-tab:hover {
    color: var(--text-primary);
}

.template-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.template-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 0.3rem;
    border-radius: 999px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 800;
}

.template-tab.active .template-tab-badge {
    background: rgba(37, 99, 235, 0.12);
    color: var(--primary);
}

.template-tab-panel {
    padding: 1.25rem;
    animation: tab-in 0.15s ease;
}

@keyframes tab-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Tab: Overview (grouped field tree) ─────────────────────────── */

.template-empty-state {
    min-height: 180px;
    display: grid;
    place-items: center;
    color: var(--text-secondary);
    font-weight: 700;
}

.template-attribute-groups {
    display: grid;
    gap: 0.75rem;
}

.template-group {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    padding: 0.85rem;
}

.template-group h3 {
    margin: 0 0 0.65rem;
    font-size: 1rem;
}

.template-subgroup + .template-subgroup {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.template-field-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.35rem 0.75rem;
    margin-top: 0.45rem;
}

.template-field-row {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    border-radius: 8px;
    background: var(--bg-primary);
    padding: 0.45rem 0.6rem;
}

.template-field-row small,
.template-table-note {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* ── Tab: Fields (table) ─────────────────────────────────────────── */

.template-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.template-row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

/* ── Tab: Edit template / Add·Edit field (forms) ─────────────────── */

.template-form-card {
    max-width: 900px;
}

.template-form-card > h2 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.template-editing-notice {
    margin-bottom: 1rem;
    padding: 0.6rem 0.85rem;
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.07);
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-left: 3px solid var(--primary);
}

.template-meta-form {
    display: grid;
    gap: 1rem;
}

.template-meta-form-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.template-field-label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 700;
}

.template-field-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.template-fieldset {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    padding: 0.85rem 1rem;
    margin: 0;
}

.template-fieldset legend {
    padding: 0 0.35rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.template-fieldset-wide {
    grid-column: 1 / -1;
}

.template-fieldset-body {
    display: grid;
    gap: 0.6rem;
}

.template-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.2rem;
}

.template-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}



.login-note {
    padding: 1rem;
    border-radius: 10px;
    background: var(--bg-secondary);
    font-size: 0.875rem;
}

.redirecting-state {
    min-height: 100vh;
    display: grid;
    place-items: center;
    color: var(--text-secondary);
    font-weight: 700;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: #fef3c7;
    box-shadow: 0 -1px 2px rgba(15, 23, 42, 0.12);
}

#blazor-error-ui .dismiss {
    position: absolute;
    top: 0.55rem;
    right: 0.75rem;
    cursor: pointer;
}

@media (max-width: 1100px) {
    .stats,
    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .app-container {
        display: block;
    }

    .sidebar {
        position: static;
        width: 100%;
        height: auto;
    }

    .nav-menu {
        display: flex;
        gap: 1rem;
        padding: 1rem;
        overflow-x: auto;
    }

    .nav-section {
        min-width: 220px;
        margin-bottom: 0;
    }

    .top-bar,
    .page-header {
        align-items: stretch;
        flex-direction: column;
    }

    .top-bar-actions,
    .user-menu {
        flex-wrap: wrap;
    }

    .products-search-row {
        grid-template-columns: 1fr;
    }

    .template-browser-search {
        grid-template-columns: 1fr auto;
    }

    .template-create-toggle {
        grid-column: 1 / -1;
    }

    .template-card-list {
        flex-direction: column;
    }

    .template-card {
        max-width: 100%;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .template-card.active {
        box-shadow: inset 3px 0 0 var(--primary);
    }

    .template-create-fields {
        grid-template-columns: 1fr;
    }

    .template-meta-form-fields {
        grid-template-columns: 1fr;
    }

    .template-fieldset-wide {
        grid-column: auto;
    }

    .template-detail-header {
        flex-direction: column;
    }

    .product-header {
        flex-direction: column;
    }

    .content-area {
        padding: 1.25rem;
    }

    .stats,
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: 0.15em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}