:root {
    color-scheme: light;
    --page-bg: linear-gradient(135deg, #f5f7ff 0%, #fef6f0 100%);
    --text-primary: #1f2430;
    --text-muted: #475063;
    --card-bg: #ffffff;
    --card-shadow: 0 22px 50px rgba(31, 36, 48, 0.12);
    --panel-bg: #f3f4f6;
    --panel-alt-bg: #eef2ff;
    --table-bg: #ffffff;
    --table-head-bg: #eef2ff;
    --table-head-text: #1f2a44;
    --table-border: #e4e7ef;
    --table-band-bg: rgba(31, 36, 48, 0.025);
    --tab-bg: #f8fafc;
    --tab-text: #1f2a44;
    --tab-active-bg: #e0e7ff;
    --tab-active-border: #a5b4fc;
    --copy-border: #d8dbe6;
    --copy-bg: #f8fafc;
    --copy-hover-bg: #e0e7ff;
    --trace-pre-bg: #f8fafc;
    --trace-pre-border: #e2e8f0;
    --trace-text: #0f172a;
    --footer-text: #6b7280;
    --terminal-bg: #0b0f12;
    --terminal-border: #1f2937;
    --terminal-title: #86efac;
    --terminal-note: #6ee7b7;
    --terminal-text: #a7f3d0;
    --terminal-command: #22c55e;
    --terminal-output: #86efac;
    --terminal-comment: #34d399;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bs-body-color: #e5e7eb;
    --bs-body-bg: #0f172a;
    --bs-secondary-color: #cbd5e1;
    --bs-emphasis-color: #f8fafc;
    --page-bg: linear-gradient(135deg, #111827 0%, #0f172a 100%);
    --text-primary: #e5e7eb;
    --text-muted: #9ca3af;
    --card-bg: #111827;
    --card-shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
    --panel-bg: #1f2937;
    --panel-alt-bg: #1f2937;
    --table-bg: #111827;
    --table-head-bg: #374151;
    --table-head-text: #e5e7eb;
    --table-border: #374151;
    --table-band-bg: rgba(255, 255, 255, 0.02);
    --tab-bg: #1f2937;
    --tab-text: #e5e7eb;
    --tab-active-bg: #374151;
    --tab-active-border: #60a5fa;
    --copy-border: #64748b;
    --copy-bg: #1f2937;
    --copy-hover-bg: #475569;
    --trace-pre-bg: #0f172a;
    --trace-pre-border: #374151;
    --trace-text: #e5e7eb;
    --footer-text: #9ca3af;
    --terminal-bg: #0b0f12;
    --terminal-border: #1f2937;
    --terminal-title: #86efac;
    --terminal-note: #6ee7b7;
    --terminal-text: #a7f3d0;
    --terminal-command: #22c55e;
    --terminal-output: #86efac;
    --terminal-comment: #34d399;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--page-bg);
    color: var(--text-primary);
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.page {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-direction: column;
    gap: 10px;
    min-height: 100vh;
    padding: 20px 14px;
}

.lookup-card {
    width: min(1080px, 94vw);
    border-radius: 18px;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
}

.lookup-card .card-body {
    transition: opacity 140ms ease-in-out;
}

.lookup-card .card-body.is-page-transitioning {
    opacity: 0.72;
    pointer-events: none;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 6px 10px;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    border-bottom: none;
}

.top-nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    border: none;
    border-radius: 0;
    padding: 1px 2px;
    background: transparent;
}

.top-nav-link:hover,
.top-nav-link:focus {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    background: transparent;
}

.top-nav-link.active {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 2px;
    background: transparent;
}

h1 {
    font-size: 1.4rem;
    color: var(--text-primary);
    line-height: 1.1;
    font-weight: 650;
}

.app-header {
    display: block;
    margin-bottom: 2px !important;
}

.brand-wrap {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.brand-header-row {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
}

.brand-header-nav {
    min-width: 0;
    flex: 1 1 auto;
}

.brand-header-menu {
    flex: 0 0 auto;
}

.brand-header-controls {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.brand-link {
    text-decoration: none;
    color: inherit;
}

.brand-link:hover {
    color: inherit;
}

.brand-logo {
    width: 160px;
    height: auto;
    display: block;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.header-tools {
    margin: 8px 0 0;
    min-width: 0;
    width: 100%;
    max-width: 520px;
    margin-left: auto;
    display: grid;
    gap: 6px;
}

.header-lookup-row {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto;
    align-items: center;
    width: 100%;
}

.header-query-input {
    min-width: 0;
    width: 100%;
    height: 36px;
    font-size: 0.95rem;
}

.header-lookup-button {
    height: 36px;
    padding: 0 11px;
    font-size: 0.92rem;
    white-space: nowrap;
}

.header-options-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px 14px;
    flex-wrap: wrap;
}

.header-controls-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
}

p {
    color: var(--text-muted);
}

label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

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

.lead.text-muted,
.text-muted {
    color: var(--text-muted) !important;
}

.options-row {
    margin-top: 8px;
}

.lookup-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.lookup-row input[type="text"] {
    flex: 1 1 260px;
}

button {
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
}

.status {
    margin-top: 12px;
    min-height: 1.5em;
    color: #1d4ed8;
    font-weight: 600;
}

.lookup-progress {
    display: none;
    margin-top: 4px;
    margin-bottom: 8px;
}

.lookup-progress.active {
    display: block;
}

.lookup-progress-label {
    font-size: 0.86rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 600;
}

.lookup-progress-note {
    margin-top: 4px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.lookup-progress-track {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: var(--table-head-bg);
    border: 1px solid var(--table-border);
    overflow: hidden;
}

.lookup-progress-bar {
    width: 0%;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
    transition: width 180ms ease;
}

.status.error {
    color: #b91c1c;
}

.lookup-activity {
    margin-top: 6px;
    margin-bottom: 8px;
    border: 1px solid var(--terminal-border);
    border-radius: 10px;
    background: var(--terminal-bg);
    padding: 6px 8px;
}

.lookup-activity-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
}

.lookup-activity-title {
    color: var(--terminal-title);
    font-weight: 600;
    font-size: 0.84rem;
    margin-bottom: 0;
}

.lookup-activity-note {
    margin-top: 2px;
    color: var(--terminal-note);
    font-size: 0.76rem;
    font-weight: 700;
}

.lookup-activity-note:empty {
    display: none;
}

.lookup-activity-actions {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.lookup-activity-toggle {
    border: 1px solid var(--copy-border);
    background: var(--tab-bg);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 2px 8px;
    font-size: 0.76rem;
    font-weight: 600;
}

.lookup-activity-toggle:hover,
.lookup-activity-toggle:focus {
    border-color: var(--tab-active-border);
    color: var(--text-primary);
}

.lookup-activity-body {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.8rem;
    line-height: 1.3;
    color: var(--terminal-text);
    font-family: "IBM Plex Mono", "Fira Code", monospace;
    max-height: 130px;
    overflow-y: auto;
}

.lookup-activity-line {
    font-family: "IBM Plex Mono", "Fira Code", monospace;
    white-space: pre-wrap;
    word-break: break-word;
}

.lookup-activity-line.comment {
    color: var(--terminal-comment);
    font-style: italic;
}

.lookup-activity-line.command {
    color: var(--terminal-command);
}

.lookup-activity-line.output {
    color: var(--terminal-output);
}

.lookup-activity-line.error {
    color: #ef4444;
    font-style: italic;
}

.lookup-activity-line.spacer {
    min-height: 0.65rem;
}

.lookup-activity.collapsed .lookup-activity-body {
    display: none;
}

.lookup-activity:hover .copy-button,
.lookup-activity:focus-within .copy-button {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.auth-wrap {
    max-width: 560px;
}

.admin-wrap {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.admin-intro-panel {
    margin-top: 8px;
    margin-bottom: 12px;
    border: 1px solid var(--table-border);
    border-radius: 12px;
    background: var(--table-bg);
    padding: 10px 12px;
}

.admin-intro-text {
    margin: 0 0 8px;
    color: var(--text-muted);
    font-size: 0.94rem;
    line-height: 1.45;
}

.auth-form {
    display: grid;
    gap: 8px;
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--table-border);
    color: var(--text-primary);
    background: var(--card-bg);
    border-radius: 999px;
}

.user-menu-toggle:hover,
.user-menu-toggle:focus {
    border-color: var(--tab-active-border);
    color: var(--text-primary);
    background: var(--copy-hover-bg);
}

.user-menu-initials {
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.user-menu-panel {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 300px;
    max-width: min(88vw, 380px);
    z-index: 40;
    border: 1px solid var(--table-border);
    border-radius: 10px;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    padding: 10px;
}

.user-menu-name {
    font-weight: 600;
}

.user-menu-email {
    font-size: 0.86rem;
    color: var(--text-muted);
}

.user-menu-recent-wrap {
    margin-top: 10px;
    border-top: 1px solid var(--table-border);
    padding-top: 8px;
}

.user-menu-recent-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.user-menu-recent-list {
    list-style: none;
    margin: 6px 0 0;
    padding: 0;
    display: grid;
    gap: 6px;
    max-height: 240px;
    overflow-y: auto;
}

.user-menu-recent-item {
    border: 1px solid var(--table-border);
    border-radius: 8px;
    padding: 6px;
    background: var(--table-bg);
}

.user-menu-recent-button {
    border: 0;
    background: transparent;
    padding: 0;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
}

.user-menu-recent-button:hover,
.user-menu-recent-button:focus {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.user-menu-recent-meta {
    margin-top: 3px;
    font-size: 0.76rem;
    color: var(--text-muted);
}

.user-menu-recent-empty {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.back-to-top {
    position: fixed;
    right: max(16px, calc((100vw - min(1080px, 94vw)) / 2 + 22px));
    bottom: 18px;
    z-index: 60;
    border: 1px solid #f59e0b;
    border-radius: 999px;
    background: #fef3c7;
    color: #7c2d12;
    padding: 8px 13px;
    font-size: 0.82rem;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(31, 36, 48, 0.22);
}

.back-to-top:hover,
.back-to-top:focus {
    background: #fde68a;
    border-color: #d97706;
    color: #7c2d12;
}

.pwa-update-notice {
    position: fixed;
    left: 50%;
    bottom: 12px;
    z-index: 90;
    transform: translateX(-50%);
    border: 1px solid color-mix(in srgb, #fd9827 55%, var(--table-border) 45%);
    border-radius: 10px;
    background: var(--card-bg);
    box-shadow: 0 10px 22px rgba(31, 36, 48, 0.2);
    padding: 8px 10px;
    display: grid;
    gap: 6px;
    min-width: min(86vw, 260px);
    max-width: min(90vw, 360px);
    justify-items: center;
}

.pwa-update-notice[hidden] {
    display: none !important;
}

.pwa-update-text {
    margin: 0;
    color: var(--text-primary);
    font-size: 0.84rem;
    font-weight: 600;
    text-align: center;
}

.pwa-update-actions {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.pwa-update-button {
    border: 1px solid var(--copy-border);
    border-radius: 8px;
    background: var(--copy-bg);
    color: var(--text-primary);
    padding: 4px 11px;
    font-size: 0.78rem;
    font-weight: 700;
}

.pwa-update-button.primary {
    border-color: #fd9827;
    background: #fd9827;
    color: #fff;
}

.pwa-update-button:hover,
.pwa-update-button:focus-visible {
    border-color: #009ba7;
}

.pwa-update-button.primary:hover,
.pwa-update-button.primary:focus-visible {
    background: #eb8517;
    border-color: #eb8517;
}

.admin-overview {
    display: grid;
    gap: 12px;
}

.admin-overview .tabs-nav {
    margin-top: 2px;
}

.admin-overview .tabs-content {
    display: grid;
    gap: 12px;
}

.admin-overview .tab-pane.active {
    display: grid;
    gap: 12px;
}

.admin-cache-cards {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    margin: 0 0 10px;
}

.admin-cache-card {
    border: 1px solid var(--table-border);
    border-radius: 10px;
    background: var(--table-bg);
    padding: 8px 10px;
}

.admin-cache-card-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.admin-cache-card-value {
    margin-top: 4px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.status-technical {
    margin-top: 4px;
    margin-bottom: 6px;
    border: 1px solid var(--table-border);
    border-radius: 10px;
    background: var(--table-bg);
    padding: 6px 8px;
}

.status-technical summary {
    cursor: pointer;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.84rem;
}

.status-technical-body {
    margin: 6px 0 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.82rem;
    color: var(--text-primary);
    font-family: "IBM Plex Mono", "Fira Code", monospace;
}

.client-logs-indicator {
    min-height: 1.1em;
    margin-top: 2px;
    margin-bottom: 2px;
    color: #dc2626;
    font-size: 0.84rem;
    font-weight: 700;
}

.resolver-info {
    margin-top: 4px;
    min-height: 1.2em;
    color: var(--text-muted);
    font-weight: 600;
}

.cache-indicator {
    margin-top: 5px;
    min-height: 1.2em;
    font-weight: 600;
}

.cache-indicator.cached {
    color: #b91c1c;
}

.cache-indicator.fresh {
    color: #0f766e;
}

.results {
    margin-top: 10px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--table-border);
    background: color-mix(in srgb, var(--panel-bg) 88%, #ffffff 12%);
    min-height: 120px;
    overflow-x: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.results.is-empty {
    display: none;
}

.trace-section {
    margin-top: 10px;
    padding: 12px;
    border-radius: 12px;
    background: var(--panel-alt-bg);
}

.tabs-nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--table-border);
    padding: 0 4px;
}

.tab-button {
    border: 1px solid transparent;
    border-bottom-color: transparent;
    background: var(--tab-bg);
    color: var(--tab-text);
    border-radius: 10px 10px 0 0;
    margin-bottom: -1px;
    padding: 7px 12px;
    font-weight: 700;
    font-size: 0.9rem;
    transition:
        background 120ms ease,
        border-color 120ms ease,
        color 120ms ease;
}

.tab-button:hover,
.tab-button:focus {
    border-color: var(--copy-border);
    background: color-mix(in srgb, var(--tab-bg) 70%, #ffffff 30%);
}

.tab-button.active {
    background: var(--card-bg);
    border-color: var(--table-border);
    border-bottom-color: var(--card-bg);
    color: var(--text-primary);
    box-shadow: 0 -2px 8px rgba(31, 36, 48, 0.05);
}

.tabs-content {
    display: block;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane .results-section {
    margin-bottom: 12px;
}

.tab-pane .results-section:last-child {
    margin-bottom: 0;
}

.footer {
    margin-top: 12px;
    padding: 12px 8px 0;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    align-items: center;
    gap: 8px;
    text-align: center;
    color: var(--footer-text);
    font-size: 0.85rem;
}

.footer-meta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-beta {
    color: #b45309;
    font-weight: 700;
}

.footer-dev-runtime {
    flex-basis: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-localised-time {
    flex-basis: 100%;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer-links {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 10px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
}

.footer-link:hover {
    color: #2563eb;
}

.footer-company-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
}

.footer-company-link:hover,
.footer-company-link:focus {
    color: #2563eb;
    text-decoration: none;
}

.info-warning {
    border: 1px solid #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 8px 10px;
    font-weight: 600;
}

.api-reference-frame-wrap {
    border: 1px solid var(--table-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg);
}

.api-reference-frame {
    width: 100%;
    min-height: 72vh;
    border: 0;
    display: block;
    background: #fff;
}

.glossary-card {
    max-width: 980px;
}

.glossary-table th {
    white-space: nowrap;
}

.glossary-table .glossary-rfc-col {
    width: auto;
}

.glossary-table .glossary-col-term {
    width: 18%;
    white-space: nowrap;
}

.glossary-table .glossary-col-description {
    width: auto;
    white-space: normal;
}

.glossary-table .glossary-col-rfc {
    width: 16%;
    white-space: nowrap;
}

.glossary-rfc-link {
    color: #2563eb;
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
}

.glossary-rfc-link:hover {
    color: #1d4ed8;
}

.glossary-rfc-note {
    font-size: 0.92rem;
    color: var(--text-muted);
}

@media (max-width: 640px) {
    .footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

.results-section h2 {
    margin: 0 0 8px;
    font-size: 1.14rem;
    color: var(--text-primary);
}

.section-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.label-with-tooltip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.glossary-info-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 999px;
    border: 1px solid var(--copy-border);
    background: var(--copy-bg);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    flex-shrink: 0;
}

.glossary-info-link:hover,
.glossary-info-link:focus-visible {
    background: var(--copy-hover-bg);
    color: var(--text-primary);
    outline: none;
}

.glossary-tooltip-floating {
    position: fixed;
    z-index: 2500;
    min-width: 180px;
    max-width: min(320px, calc(100vw - 12px));
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid var(--copy-border);
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.25;
    text-align: left;
    white-space: normal;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

.section-title-icon {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.section-title-icon svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    list-style: none;
}

.section-header::-webkit-details-marker {
    display: none;
}

.section-panel-controls {
    display: flex;
    gap: 8px;
    margin: 0 0 10px;
}

.section-panel-control-button {
    border: 1px solid var(--table-border);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 3px 9px;
    font-size: 0.78rem;
    font-weight: 700;
}

.results-panel {
    padding: 12px 14px;
    border: 1px solid var(--table-border);
    border-radius: 14px;
    background: var(--table-bg);
    box-shadow: 0 4px 10px rgba(31, 36, 48, 0.05);
}

.results-panel:not([open]) {
    padding-bottom: 4px;
}

.results-panel .section-header {
    cursor: pointer;
    margin-bottom: 8px;
}

.results-panel .section-header::after {
    content: "▾";
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.results-panel:not([open]) .section-header::after {
    content: "▸";
}

.results-panel:not([open]) > *:not(summary) {
    display: none;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--table-bg);
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 8px 20px rgba(31, 36, 48, 0.08);
}

.results-table th,
.results-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--table-border);
    text-align: left;
    font-size: 0.9rem;
}

.results-table th {
    width: 146px;
    background: var(--table-head-bg);
    color: var(--table-head-text);
    font-weight: 600;
}

.subdomain-table th:last-child {
    width: auto;
    white-space: normal;
}

.results-table th.mx-priority,
.results-table td.mx-priority {
    width: 84px;
    white-space: nowrap;
}

.results-table.mx-table {
    table-layout: fixed;
}

.results-table.mx-table th.mx-priority,
.results-table.mx-table td.mx-priority {
    width: 15px;
    max-width: 15px;
    min-width: 15px;
    white-space: nowrap;
    padding-left: 6px;
    padding-right: 6px;
    text-align: left;
}

.results-table td {
    color: var(--text-primary);
    word-break: break-word;
}

.copy-cell {
    width: 1%;
    white-space: nowrap;
    text-align: right;
    vertical-align: middle;
}

.copy-cell .copy-button {
    margin-left: auto;
}

.trace-table th,
.trace-table td {
    vertical-align: top;
    word-break: break-word;
}

.trace-details {
    color: var(--text-muted);
    margin: 2px 0 8px;
}

.trace-details summary {
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 600;
}

.trace-blocks {
    display: grid;
    gap: 8px;
}

.trace-subheading {
    margin: 0 0 8px;
    font-size: 0.94rem;
    font-weight: 700;
    color: var(--text-primary);
}

.trace-stage-section {
    margin-bottom: 10px;
}

.trace-stage-list {
    display: grid;
    gap: 8px;
}

.trace-stage-card {
    background: var(--table-bg);
    border: 1px solid var(--table-border);
    border-radius: 12px;
    padding: 9px;
}

.trace-stage-title {
    margin: 0 0 4px;
    font-size: 0.92rem;
    color: var(--text-primary);
}

.trace-stage-summary {
    margin: 0 0 8px;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.trace-stage-lines {
    margin: 0 0 8px;
    padding-left: 18px;
    color: var(--text-primary);
    font-size: 0.86rem;
}

.trace-stage-command-table th {
    width: 130px;
}

.trace-related-title {
    margin: 10px 0 6px;
    font-size: 0.88rem;
    color: var(--text-primary);
}

.trace-load-hint {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.related-blurb {
    margin: 0 0 8px;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.related-domain-link {
    color: #2563eb;
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
}

.related-domain-error {
    color: #dc2626;
    font-weight: 700;
}

.related-domain-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: 999px;
    border: 1px solid var(--table-border);
    background: var(--copy-bg);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.2;
}

.related-domain-badge.ok {
    color: #15803d;
    border-color: rgba(21, 128, 61, 0.45);
}

.related-domain-badge.error {
    color: #dc2626;
    border-color: rgba(220, 38, 38, 0.45);
}

.related-domain-badge.warn {
    color: #b45309;
    border-color: rgba(180, 83, 9, 0.45);
}

.ssl-summary-blurb {
    margin-bottom: 6px;
}

.ssl-summary-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0 0 10px;
}

.ssl-summary-chip {
    font-size: 0.74rem;
}

.ssl-summary-chip-neutral {
    color: var(--text-muted);
}

.ssl-endpoint-primary {
    font-weight: 700;
    margin: 0;
    font-size: 0.94rem;
}

.ssl-endpoint-meta {
    margin: 4px 0 0;
    font-size: 0.8rem;
}

.ssl-discovery-transport {
    margin-top: 4px;
    font-size: 0.8rem;
}

.ssl-status-badge {
    min-width: 1.65rem;
    min-height: 1.65rem;
    justify-content: center;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1;
    cursor: help;
}

.ssl-context-badge {
    font-size: 0.68rem;
    border-style: solid;
}

.ssl-context-badge-ok {
    color: #166534;
    border-color: rgba(22, 101, 52, 0.35);
    background: rgba(34, 197, 94, 0.08);
}

.ssl-context-badge-warn {
    color: #9a3412;
    border-color: rgba(154, 52, 18, 0.35);
    background: rgba(245, 158, 11, 0.12);
}

.ssl-context-badge-neutral {
    color: var(--text-muted);
    border-color: var(--table-border);
    background: var(--card-bg);
}

.ssl-group-section {
    margin-top: 14px;
    padding: 12px;
    border: 1px solid var(--table-border);
    border-radius: 12px;
    background: var(--table-bg);
}

.ssl-group-section:first-of-type {
    margin-top: 12px;
}

.ssl-panels-wrap {
    display: grid;
    gap: 10px;
}

.ssl-panel-controls {
    display: flex;
    gap: 8px;
    margin: 0 0 10px;
}

.ssl-panel-control-button {
    border: 1px solid var(--table-border);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 3px 9px;
    font-size: 0.78rem;
    font-weight: 700;
}

.ssl-group-panel {
    padding: 0;
    overflow: hidden;
}

.ssl-group-summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
}

.ssl-group-summary::-webkit-details-marker {
    display: none;
}

.ssl-group-summary::after {
    content: "▾";
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.ssl-group-panel:not([open]) .ssl-group-summary::after {
    content: "▸";
}

.ssl-group-content {
    padding: 10px 12px 12px;
}

.ssl-group-title {
    margin: 0 0 6px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.ssl-group-summary .ssl-group-title {
    margin: 0;
}

.ssl-card-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.ssl-endpoint-card {
    border: 1px solid var(--table-border);
    border-radius: 12px;
    background: var(--table-bg);
    padding: 10px;
    position: relative;
    overflow: hidden;
}

.ssl-endpoint-card.ssl-card-warn {
    border-color: rgba(180, 83, 9, 0.45);
    background: rgba(180, 83, 9, 0.05);
}

.ssl-endpoint-card.ssl-card-error {
    border-color: rgba(220, 38, 38, 0.5);
    background: rgba(220, 38, 38, 0.06);
}

.ssl-card-header {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    justify-content: space-between;
}

.ssl-card-header-meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.ssl-dedup-badge {
    font-size: 0.68rem;
}

.ssl-provider-watermark {
    position: absolute;
    right: 10px;
    bottom: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0.22;
    pointer-events: none;
    user-select: none;
}

.ssl-card-download-button {
    border: 1px solid var(--table-border);
    background: var(--card-bg);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 1px 7px;
    font-size: 0.72rem;
    font-weight: 700;
}

.ssl-card-download-button:hover,
.ssl-card-download-button:focus {
    border-color: var(--tab-active-border);
    background: var(--copy-hover-bg);
}

.ssl-field-grid {
    margin-top: 8px;
    display: grid;
    gap: 4px;
}

.ssl-field {
    display: grid;
    gap: 4px;
    grid-template-columns: minmax(110px, 130px) 1fr;
    align-items: start;
}

.ssl-field-label {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.ssl-field-value {
    color: var(--text-primary);
    font-size: 0.84rem;
    word-break: break-word;
}

.ssl-code-value {
    font-family: "IBM Plex Mono", "Fira Code", monospace;
    font-size: 0.76rem;
}

.ssl-subheading {
    margin: 0 0 4px;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 700;
}

.ssl-san-wrap {
    margin-top: 8px;
}

.help-doc-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.help-doc-card {
    border: 1px solid var(--table-border);
    border-radius: 12px;
    background: var(--table-bg);
    padding: 12px;
}

.help-doc-card h3 {
    margin: 0 0 6px;
    font-size: 1rem;
}

.help-doc-card p {
    margin: 0 0 8px;
    color: var(--text-muted);
}

.help-doc-content h1,
.help-doc-content h2,
.help-doc-content h3 {
    margin-top: 14px;
}

.help-doc-content p,
.help-doc-content ul,
.help-doc-content ol,
.help-doc-content blockquote,
.help-doc-content pre {
    margin-bottom: 10px;
}

.help-doc-content pre {
    background: #020617;
    color: #86efac;
    border-radius: 8px;
    padding: 10px;
    overflow: auto;
}

.ssl-san-list {
    margin: 0;
    padding-left: 16px;
    color: var(--text-primary);
    font-size: 0.82rem;
}

.ssl-expand-toggle {
    margin-top: 4px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #2563eb;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

.ssl-notes-wrap {
    margin-top: 8px;
}

.ssl-notes-list {
    margin: 0;
    padding-left: 16px;
    color: var(--text-primary);
    font-size: 0.82rem;
}

.ssl-informational-section {
    background: var(--panel-alt-bg);
    border: 1px dashed var(--table-border);
}

.ssl-informational-list {
    margin: 0;
    padding-left: 18px;
    color: var(--text-primary);
    font-size: 0.84rem;
}

.ssl-informational-list li {
    margin-bottom: 4px;
}

.trace-markdown-section {
    margin-top: 10px;
}

.trace-markdown-preview {
    background: var(--table-bg);
    border: 1px solid var(--table-border);
    border-radius: 12px;
    padding: 10px 12px;
}

.trace-markdown-preview h1,
.trace-markdown-preview h2,
.trace-markdown-preview h3 {
    margin: 0 0 6px;
    color: var(--text-primary);
}

.trace-markdown-preview h1 {
    font-size: 1rem;
}

.trace-markdown-preview h2 {
    font-size: 0.94rem;
}

.trace-markdown-preview h3 {
    font-size: 0.9rem;
}

.trace-markdown-preview p,
.trace-markdown-preview li {
    margin: 0 0 6px;
    color: var(--text-primary);
    font-size: 0.88rem;
}

.trace-markdown-preview ul {
    margin: 0 0 8px;
    padding-left: 18px;
}

.trace-markdown-preview code {
    font-family: "IBM Plex Mono", "Fira Code", monospace;
    font-size: 0.82rem;
    background: var(--trace-pre-bg);
    border: 1px solid var(--trace-pre-border);
    border-radius: 6px;
    padding: 0 4px;
}

.trace-markdown-preview pre {
    margin: 0 0 8px;
    padding: 8px;
    background: var(--trace-pre-bg);
    border: 1px solid var(--trace-pre-border);
    border-radius: 8px;
    color: var(--trace-text);
    overflow-x: auto;
}

.trace-block {
    background: var(--table-bg);
    border: 1px solid var(--table-border);
    border-radius: 12px;
    padding: 9px;
}

.trace-line {
    font-family: "IBM Plex Mono", "Fira Code", monospace;
    font-size: 0.82rem;
    margin: 0 0 6px;
    white-space: pre-wrap;
    word-break: break-word;
}

.trace-command {
    color: var(--trace-text);
    font-weight: 700;
}

.trace-meta {
    color: var(--text-muted);
    margin-bottom: 8px;
}

.trace-heading {
    color: var(--text-primary);
    font-weight: 700;
    margin-top: 4px;
    margin-bottom: 4px;
}

.trace-pre {
    margin: 0 0 8px;
    padding: 8px;
    background: var(--trace-pre-bg);
    border: 1px solid var(--trace-pre-border);
    border-radius: 8px;
    font-family: "IBM Plex Mono", "Fira Code", monospace;
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--trace-text);
    white-space: pre-wrap;
    word-break: break-word;
}

.subdomain-group {
    text-align: left;
    background: var(--tab-bg);
    color: var(--table-head-text);
    font-weight: 600;
}

.results-table tr:last-child th,
.results-table tr:last-child td {
    border-bottom: none;
}

.results-list {
    margin: 0;
    padding-left: 0;
    display: grid;
    gap: 6px;
    list-style: none;
}

.results-list li {
    padding-left: 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
}

.results-list li span {
    flex: 1;
    min-width: 0;
    word-break: break-word;
}

.results-list li .copy-button {
    flex-shrink: 0;
}

.inline-copy-value {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.inline-copy-value span {
    word-break: break-word;
}

.soa-rname-meta {
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.86rem;
}

.soa-rname-email {
    color: var(--text-muted);
}

.soa-rname-link {
    color: #2563eb;
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
}

.soa-rname-analyze {
    color: var(--text-muted);
}

.soa-rname-relation {
    font-weight: 700;
}

.soa-rname-relation.match {
    color: #15803d;
}

.soa-rname-relation.mismatch {
    color: #b45309;
}

.soa-rname-warning {
    color: #dc2626;
    font-weight: 700;
}

.zonefile-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 8px;
    font-size: 0.86rem;
    color: var(--text-muted);
}

.zonefile-warning-box {
    margin: 0 0 8px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid #f59e0b;
    background: rgba(245, 158, 11, 0.12);
}

.zonefile-warning-title {
    margin: 0 0 4px;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.86rem;
}

.zonefile-warning-list {
    margin: 0;
    padding-left: 18px;
    color: var(--text-primary);
    font-size: 0.84rem;
}

.copy-button {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 8px;
    border: 1px solid var(--copy-border);
    background: var(--copy-bg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 16px 16px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f2a44' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'><rect x='9' y='9' width='13' height='13' rx='2'/><rect x='2' y='2' width='13' height='13' rx='2'/></svg>");
    color: #1f2a44;
    cursor: pointer;
    opacity: 0;
    transform: translateX(6px);
    pointer-events: none;
    transition:
        opacity 160ms ease,
        transform 180ms ease,
        background-color 120ms ease;
}

.copy-button:hover {
    background: var(--copy-hover-bg);
}

:root[data-theme="dark"] .copy-button {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e5e7eb' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'><rect x='9' y='9' width='13' height='13' rx='2'/><rect x='2' y='2' width='13' height='13' rx='2'/></svg>");
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.15);
}

.results-table tr:hover .copy-button,
.results-table tr:focus-within .copy-button,
.results-list li:hover .copy-button,
.results-list li:focus-within .copy-button,
.inline-copy-value:hover .copy-button,
.inline-copy-value:focus-within .copy-button,
.zonefile-actions:hover .copy-button,
.zonefile-actions:focus-within .copy-button,
.copy-button:hover,
.copy-button:focus-visible {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

@media (hover: none), (pointer: coarse) {
    .copy-button {
        opacity: 1;
        transform: translateX(0);
        pointer-events: auto;
    }
}

.theme-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.theme-select {
    width: auto;
    min-width: 92px;
    border-radius: 10px;
    background-color: var(--table-bg);
    color: var(--text-primary);
    border-color: var(--copy-border);
}

.probe-select {
    min-width: 130px;
}

.header-context-badge {
    font-size: 0.72rem;
    border-radius: 999px;
    padding: 2px 8px;
    border: 1px solid var(--table-border);
    background: var(--copy-bg);
    color: var(--text-muted);
    font-weight: 700;
}

.pwa-install-btn {
    border-radius: 10px;
    padding: 2px 10px;
    font-size: 0.8rem;
    border: 1px solid var(--copy-border);
    color: var(--text-primary);
    background: transparent;
}

.pwa-install-btn:hover,
.pwa-install-btn:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
    background: transparent;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    cursor: pointer;
    user-select: none;
}

.theme-toggle-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 700;
}

.theme-toggle-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.theme-toggle-slider {
    position: relative;
    width: 34px;
    height: 18px;
    border-radius: 999px;
    border: 1px solid var(--copy-border);
    background: var(--copy-bg);
    transition: background-color 160ms ease;
}

.theme-toggle-slider::after {
    content: "";
    position: absolute;
    left: 2px;
    top: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: transform 160ms ease;
}

.theme-toggle-input:checked + .theme-toggle-slider::after {
    transform: translateX(16px);
    background: var(--text-primary);
}

.theme-toggle-input:checked + .theme-toggle-slider {
    background: var(--tab-active-bg);
    border-color: var(--tab-active-border);
}

.website-media {
    display: grid;
    grid-template-columns: minmax(260px, 360px) minmax(260px, 1fr);
    gap: 14px;
    margin-top: 12px;
    align-items: stretch;
}

.website-media-block {
    background: var(--table-bg);
    border: 1px solid var(--table-border);
    border-radius: 10px;
    padding: 12px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.website-media-block h4 {
    margin: 0 0 8px 0;
    font-size: 0.92rem;
}

.website-media-thumb {
    display: block;
    width: min(100%, 280px);
    max-height: 280px;
    object-fit: contain;
    border: 1px solid var(--table-border);
    border-radius: 8px;
    background: #fff;
    margin: 0 auto;
}

.website-media-thumb-button {
    padding: 8px;
    border: 1px solid var(--copy-border);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    width: 100%;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.website-media-thumb-button:hover,
.website-media-thumb-button:focus-visible {
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.22);
}

.website-media-thumb-hint {
    margin-top: 2px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
}

.website-media-block-details {
    justify-content: flex-start;
}

.website-media-meta {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
}

.website-media-meta li {
    display: grid;
    grid-template-columns: minmax(130px, 170px) 1fr;
    gap: 8px;
    align-items: baseline;
    font-size: 0.86rem;
}

.website-media-meta-key {
    font-weight: 700;
    color: var(--text-muted);
}

.website-media-meta-value {
    font-family: "IBM Plex Mono", "Consolas", "Menlo", monospace;
    color: var(--text-primary);
    word-break: break-word;
}

.website-image-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.75);
    z-index: 2000;
    display: grid;
    place-items: center;
    padding: 16px;
}

.website-image-modal-overlay[hidden] {
    display: none !important;
}

.website-image-modal-dialog {
    position: relative;
    width: min(80vw, 1400px);
    height: min(80vh, 900px);
    border-radius: 14px;
    border: 1px solid var(--table-border);
    background: var(--table-bg);
    padding: 12px;
    box-shadow: 0 26px 44px rgba(2, 6, 23, 0.48);
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 8px;
    overflow: hidden;
}

.website-image-modal-close {
    justify-self: end;
    border: 1px solid var(--copy-border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-primary);
    padding: 4px 10px;
    font-size: 0.82rem;
}

.website-image-modal-close:hover,
.website-image-modal-close:focus-visible {
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.22);
}

.website-image-modal-body {
    width: 100%;
    height: 100%;
    overflow: auto;
    border-radius: 8px;
    background: #000;
}

.website-image-modal-image {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    object-fit: contain;
}

body.modal-open {
    overflow: hidden;
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.2rem;
    }

    .brand-logo {
        width: 112px;
    }

    .top-nav {
        margin-top: 4px;
    }

    .brand-header-row {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .brand-header-nav {
        order: 3;
        flex-basis: 100%;
    }

    .brand-header-controls {
        margin-left: 0;
    }

    .website-media {
        grid-template-columns: 1fr;
    }

    .website-media-meta li {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .header-tools {
        min-width: 100%;
        max-width: none;
        margin-left: 0;
    }

    .header-lookup-row {
        grid-template-columns: 1fr;
    }

    .header-query-input {
        min-width: 100%;
    }

    .header-lookup-button {
        width: 100%;
    }

    .lookup-card {
        width: 100%;
    }

    .pwa-update-notice {
        left: 12px;
        right: 12px;
        bottom: 10px;
        transform: none;
        min-width: 0;
    }

    .results {
        padding: 9px;
    }

    .tab-button {
        font-size: 0.86rem;
        padding: 6px 9px;
    }
}