/* Minimalist Logs Notebook Theme - KuriScan */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Expandable Lists (for Actants/Listeners) */
.expandable-list {
    display: inline-block;
    position: relative;
}

.expandable-list .fas.fa-chevron-down {
    transition: transform 0.2s ease;
}

.expandable-list.expanded .fas.fa-chevron-down {
    transform: rotate(180deg);
}

.expandable-list .expanded-content {
    display: none;
}

.expandable-list.expanded .expanded-content {
    display: block;
}

.expandable-list .expanded-content a.address {
    font-size: var(--text-xs);
    color: var(--oxford-blue);
    background-color: #f0f4f8;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    border: var(--border-width) solid var(--oxford-blue-light);
    font-family: var(--font-mono);
    word-break: break-all;
    text-decoration: none;
    display: inline-block;
    max-width: 100%;
}

.expandable-list .expanded-content a.address:hover {
    background-color: #e0e8f0;
    text-decoration: underline;
}

/* Search Bar */
.search-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-bottom: var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--white);
    transition: all 0.2s ease;
}

.search-box:focus-within {
    border-color: var(--oxford-blue);
    box-shadow: 0 0 0 3px rgba(0, 33, 71, 0.05);
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    font-size: 14px;
    font-family: var(--font-mono);
    border: none;
    background: transparent;
    color: var(--gray-900);
    outline: none;
}

.search-input::placeholder {
    color: var(--gray-500);
    font-size: 13px;
}

.search-button {
    padding: 12px 24px;
    background: var(--oxford-blue);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-button:hover {
    background: #003d82;
}

.search-button:active {
    transform: scale(0.98);
}

.search-button i {
    margin: 0;
}

.search-results {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-top: 8px;
}

.search-result-category {
    margin-bottom: 20px;
}

.search-result-category:last-child {
    margin-bottom: 0;
}

.search-result-category-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.search-result-item {
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    background: var(--white);
}

.search-result-item:last-child {
    margin-bottom: 0;
}

.search-result-item:hover {
    background: var(--gray-50);
    border-color: var(--oxford-blue);
    transform: translateX(2px);
}

.search-result-item-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--oxford-blue);
    margin-bottom: 4px;
}

.search-result-item-detail {
    font-size: 12px;
    color: var(--gray-600);
    font-family: var(--font-mono);
    word-break: break-all;
    line-height: 1.4;
}

.search-no-results {
    text-align: center;
    padding: 32px;
    color: var(--gray-500);
    font-size: 14px;
}

.search-no-results i {
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.search-loading {
    text-align: center;
    padding: 20px;
    color: var(--gray-600);
    font-size: 14px;
}

.search-loading i {
    margin-right: 8px;
}

/* Block Navigation Buttons */
button:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

button:active:not(:disabled) {
    transform: translateY(0);
}

/* Expandable Table Rows */
.expandable-row {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.expandable-row:hover {
    background-color: var(--gray-50);
}

.expandable-row.expanded {
    background-color: var(--gray-100);
}

.row-details {
    display: none;
}

.row-details.expanded {
    display: table-row;
}

.row-details td {
    padding: 0 !important;
    background-color: var(--gray-50);
    border-top: none !important;
}

.details-container {
    padding: var(--space-4);
    background-color: var(--white);
    margin: var(--space-2);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
}

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

.details-table tr {
    border-bottom: 1px solid var(--gray-100);
}

.details-table tr:last-child {
    border-bottom: none;
}

.details-table td {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.details-table td:first-child {
    font-weight: 600;
    color: var(--gray-700);
    width: 120px;
    vertical-align: top;
}

.details-table td:last-child {
    font-family: var(--font-mono);
    word-break: break-all;
    color: var(--gray-900);
}

.expand-icon {
    font-size: 10px;
    margin-right: var(--space-2);
    transition: transform 0.2s ease;
    display: inline-block;
}

.expandable-row.expanded .expand-icon {
    transform: rotate(90deg);
}

:root {
    /* Oxford Blue Color Palette - Professional & Clean */
    --oxford-blue: #002147;
    --oxford-blue-light: #003366;
    --oxford-blue-dark: #001122;

    /* Grayscale Palette */
    --black: #000000;
    --gray-900: #1a1a1a;
    --gray-800: #2d2d2d;
    --gray-700: #404040;
    --gray-600: #525252;
    --gray-500: #737373;
    --gray-400: #a3a3a3;
    --gray-300: #d4d4d4;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --white: #ffffff;

    /* Accent Colors (minimal use) */
    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;

    /* Primary palette */
    --primary-light: var(--gray-50, #f9fafb);
    --primary-base: var(--white);
    --primary-dark: var(--gray-100);

    /* Accent colors */
    --accent-light: #e6f3ff;
    --accent-base: var(--oxford-blue);
    --accent-warm: var(--oxford-blue-light);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Monaco', monospace;

    /* Font Sizes */
    --text-xs: 0.625rem;
    --text-sm: 0.75rem;
    --text-base: 0.875rem;
    --text-lg: 1rem;
    --text-xl: 1.125rem;
    --text-2xl: 1.25rem;
    --text-3xl: 1.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;

    /* Layout */
    --border-radius: 4px;
    --border-width: 1px;
    --max-width: 1200px;
}

/* Import Inter and JetBrains Mono fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* Base Typography */
body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Header - Enhanced for search bar */
.header {
    background: var(--white);
    border-bottom: var(--border-width) solid var(--gray-200);
    padding: var(--space-4) 0;
    margin-bottom: var(--space-8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
}

/* Header Search Bar */
.header-search {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.header-search .search-box {
    display: flex;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--white);
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-search .search-box:focus-within {
    border-color: var(--oxford-blue);
    box-shadow: 0 0 0 3px rgba(0, 33, 71, 0.1);
}

.header-search .search-input {
    flex: 1;
    padding: 10px 14px;
    font-size: var(--text-sm);
    font-family: var(--font-family);
    border: none;
    background: transparent;
    color: var(--gray-900);
    outline: none;
}

.header-search .search-input::placeholder {
    color: var(--gray-500);
    font-size: var(--text-xs);
}

.header-search .search-button {
    padding: 10px 16px;
    background: var(--oxford-blue);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-search .search-button:hover {
    background: var(--oxford-blue-dark);
}

.header-search .search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-top: 4px;
    z-index: 1000;
}

.logo {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--oxford-blue);
    text-decoration: none;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.logo i {
    font-size: var(--text-xl);
    color: var(--oxford-blue);
}

/* Navigation - Clean */
.nav {
    display: flex;
    gap: var(--space-6);
    white-space: nowrap;
}

.nav-link {
    font-size: var(--text-sm);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
}

.nav-link:hover,
.nav-link.active {
    color: var(--oxford-blue);
    background: var(--gray-100);
}

/* Main Content */
.main-content {
    min-height: 70vh;
    margin-bottom: var(--space-12);
}

/* Page Management */
.page {
    display: none;
    min-height: 60vh;
    padding: var(--space-6) 0;
}

.page.active {
    display: block;
}

/* Page Titles */
.page-title {
    font-size: var(--text-3xl);
    font-weight: 300;
    color: var(--black);
    margin-bottom: var(--space-8);
    letter-spacing: -0.025em;
}

/* Stats Grid */
.stats-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
    gap: 1.5rem !important;
    margin-bottom: 2rem !important;
    width: 100%;
}

.stat-card {
    background: var(--white);
    border: var(--border-width) solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--oxford-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.stat-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
}

.stat-icon.primary {
    background-color: var(--oxford-blue);
    color: var(--white);
}

.stat-icon.success {
    background-color: #10b981;
    color: var(--white);
}

.stat-icon.info {
    background-color: #3b82f6;
    color: var(--white);
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
    font-family: var(--font-mono);
}

.stat-change {
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-change.positive {
    color: #10b981;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
    margin-bottom: var(--space-6);
    padding: var(--space-3) var(--space-4);
    background-color: var(--gray-50);
    border: var(--border-width) solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: var(--text-sm);
    font-family: var(--font-mono);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
    color: var(--gray-600);
}

.breadcrumb-item a {
    color: var(--oxford-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--gray-900);
    text-decoration: underline;
}

.breadcrumb-item.current {
    color: var(--gray-900);
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 var(--space-2);
    color: var(--gray-400);
    font-weight: normal;
}

.section-title {
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    border-bottom: var(--border-width) solid var(--gray-200);
    padding-bottom: var(--space-2);
}

/* Cards - Minimal */
.card {
    background-color: var(--white);
    border: var(--border-width) solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.card-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: var(--border-width) solid var(--gray-100);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--gray-900);
}

/* Tables - Clean and Readable */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    margin: var(--space-4) 0;
}

.data-table th {
    background-color: var(--gray-50);
    color: var(--gray-900);
    font-weight: 500;
    text-align: left;
    padding: var(--space-3) var(--space-4);
    border-bottom: var(--border-width) solid var(--gray-200);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: var(--border-width) solid var(--gray-100);
    color: var(--gray-800);
    vertical-align: top;
}

.data-table tr:hover {
    background-color: var(--gray-50);
}

/* Logbook-style layout */
.logbook-entry {
    background-color: var(--white);
    border: var(--border-width) solid var(--gray-300);
    margin: var(--space-4) 0;
    font-family: var(--font-mono);
}

.logbook-header {
    background-color: var(--oxford-blue);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: var(--border-width) solid var(--gray-300);
    display: flex;
    align-items: center;
}

.logbook-content {
    padding: var(--space-4);
}

.logbook-line {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-2);
    min-height: 1.5rem;
    border-bottom: 1px dotted var(--gray-200);
    padding-bottom: var(--space-1);
}

.logbook-line:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.logbook-label {
    flex-shrink: 0;
    width: 140px;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-right: var(--space-3);
    font-family: var(--font-family);
}

.logbook-value {
    flex: 1;
    font-size: var(--text-sm);
    color: var(--gray-900);
    font-family: var(--font-mono);
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
}

.logbook-value.hash {
    font-size: var(--text-xs);
    color: var(--gray-700);
    background-color: var(--gray-50);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    border: var(--border-width) solid var(--gray-200);
}

.logbook-value.address,
.logbook-value a.address {
    font-size: var(--text-xs);
    color: var(--oxford-blue);
    background-color: #f0f4f8;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    border: var(--border-width) solid var(--oxford-blue-light);
    font-family: var(--font-mono);
    word-break: break-all;
    text-decoration: none;
    display: inline-block;
    max-width: 100%;
}

.logbook-value a.address:hover {
    background-color: #e0e8f0;
    text-decoration: underline;
}

/* Info Grid - For detailed information display */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    margin: var(--space-4) 0;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3);
    border-left: 2px solid var(--gray-200);
    background-color: var(--gray-50);
}

.info-item label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-item span {
    font-size: var(--text-sm);
    color: var(--gray-900);
    font-family: var(--font-mono);
    word-break: break-all;
}

/* Full-width info items for hashes */
.info-item.full-width {
    grid-column: 1 / -1;
    flex-direction: column;
    padding: var(--space-4);
    background-color: var(--white);
    border: var(--border-width) solid var(--gray-200);
    border-left: 3px solid var(--oxford-blue);
}

.info-item.full-width label {
    margin-bottom: var(--space-2);
    color: var(--oxford-blue);
}

.info-item.full-width span {
    font-size: var(--text-sm);
    line-height: 1.6;
    padding: var(--space-3);
    background-color: var(--gray-50);
    border-radius: var(--border-radius);
}

/* Evidence-style sections for transactions */
.evidence-section {
    border: var(--border-width) solid var(--gray-300);
    margin: var(--space-6) 0;
    background-color: var(--white);
}

.evidence-header {
    background-color: var(--oxford-blue);
    color: var(--white);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.evidence-content {
    padding: var(--space-4);
}

/* Hash display - monospace and readable */
.hash {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--gray-800);
    word-break: break-all;
    line-height: 1.4;
}

.hash-link {
    color: var(--oxford-blue);
    text-decoration: none;
}

.hash-link:hover {
    text-decoration: underline;
}

/* Status indicators */
.status {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status.success {
    background-color: var(--success);
    color: var(--white);
}

.status.warning {
    background-color: var(--warning);
    color: var(--white);
}

.status.error {
    background-color: var(--error);
    color: var(--white);
}

.status.neutral {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

/* Block number display */
.block-number {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--oxford-blue);
    background-color: var(--gray-100);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    display: inline-block;
}

/* Loading states */
.loading {
    color: var(--gray-500);
    font-style: italic;
    text-align: center;
    padding: var(--space-8);
}

/* Error states */
.error-message {
    color: var(--error);
    background-color: #fef2f2;
    border: var(--border-width) solid #fecaca;
    padding: var(--space-4);
    border-radius: var(--border-radius);
    font-size: var(--text-sm);
}

/* Footer - Simplified */
.footer {
    border-top: var(--border-width) solid var(--gray-200);
    padding: var(--space-6) 0 var(--space-4);
    margin-top: var(--space-12);
    background: var(--gray-50);
    color: var(--gray-600);
    font-size: var(--text-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-4);
}

.footer-section h3,
.footer-section h4 {
    color: var(--gray-900);
    margin-bottom: var(--space-3);
    font-weight: 600;
}

.footer-section h3 {
    font-size: var(--text-lg);
}

.footer-section h4 {
    font-size: var(--text-base);
}

.footer-section p {
    margin-bottom: var(--space-2);
    line-height: 1.5;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--space-1);
}

.footer-section a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--oxford-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-3);
    border-top: var(--border-width) solid var(--gray-200);
    color: var(--gray-500);
}

/* Enhanced Mobile Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }

    .header-content {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }

    .header-search {
        order: 2;
        max-width: 100%;
    }

    .nav {
        order: 3;
        justify-content: center;
        flex-wrap: wrap;
    }

    .logo {
        order: 1;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: var(--text-2xl);
    }

    /* Mobile responsive tables */
    .data-table {
        font-size: var(--text-xs);
        overflow-x: auto;
        display: block;
        white-space: nowrap;
    }

    .data-table thead,
    .data-table tbody,
    .data-table th,
    .data-table td,
    .data-table tr {
        display: block;
    }

    .data-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    .data-table tr {
        border: 1px solid var(--gray-200);
        padding: var(--space-3);
        margin-bottom: var(--space-2);
        border-radius: var(--border-radius);
        background: var(--white);
    }

    .data-table td {
        border: none;
        position: relative;
        padding-left: 50% !important;
        padding-top: var(--space-1);
        padding-bottom: var(--space-1);
        text-align: left;
    }

    .data-table td:before {
        content: attr(data-label) ": ";
        position: absolute;
        left: 6px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: 600;
        color: var(--gray-700);
    }

    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header-search .search-input {
        font-size: var(--text-xs);
        padding: 8px 12px;
    }

    .header-search .search-button {
        padding: 8px 12px;
    }

    .nav-link {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
    }

    .stats-grid-compact {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .chain-stats-table {
        gap: var(--space-3);
    }

    /* Block visualization mobile fix */
    #blockVisualization {
        padding: var(--space-2);
        overflow-x: auto;
        justify-content: flex-start;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }

    #blockVisualization .block-item {
        min-width: 60px;
        margin: 0 var(--space-1);
        flex-shrink: 0;
    }

    #blockVisualization .block-cube {
        width: 36px;
        height: 36px;
    }

    #blockVisualization .block-info {
        font-size: 0.65rem;
    }

    #blockVisualization .block-hash {
        font-size: 0.6rem;
        max-width: 60px;
    }

    #blockVisualization .block-connector {
        width: 16px;
        margin: 0 2px;
    }

    /* Hash truncation for mobile */
    .hash {
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        display: inline-block;
    }

    .font-mono {
        font-size: var(--text-xs) !important;
    }
}

/* ARIKURI Special View & Print Styles */
.arikuri-special-view {
    max-width: 800px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--accent-base);
}

.print-btn {
    background: var(--oxford-blue);
    color: var(--white);
    border: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all 0.2s ease;
}

.print-btn:hover {
    background: var(--oxford-blue-dark);
    transform: translateY(-1px);
}

.arikuri-evidence-document {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.evidence-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 3px solid var(--oxford-blue);
}

.evidence-title h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    letter-spacing: -0.025em;
}

.evidence-subtitle {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin: var(--space-2) 0 0 0;
    font-weight: 500;
}

.evidence-date {
    text-align: right;
    font-size: var(--text-sm);
    color: var(--gray-700);
    background: var(--gray-100);
    padding: var(--space-3);
    border-radius: var(--border-radius);
}

.evidence-section {
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    background: var(--gray-50);
}

.evidence-section h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--space-4) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.kuri-display {
    background: var(--white);
    padding: var(--space-4);
    border-radius: var(--border-radius);
    border: 2px solid var(--oxford-blue);
    margin: var(--space-4) 0;
}

.kuri-display .kuri-hash {
    font-family: var(--font-mono);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--gray-900);
    word-break: break-all;
    line-height: 1.4;
    display: block;
    background: var(--gray-100);
    padding: var(--space-3);
    border-radius: var(--border-radius);
}

.property-grid,
.evidence-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.property,
.evidence-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.property label,
.evidence-item label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.property span,
.evidence-item span {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-900);
}

.evidence-item code {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    background: var(--white);
    padding: var(--space-2);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    word-break: break-all;
}

.block-number,
.channel-id {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--gray-800);
}

/* Print Styles for ARIKURI Evidence */
@media print {
    .header,
    .nav,
    .footer,
    .print-btn {
        display: none !important;
    }

    .arikuri-evidence-document {
        box-shadow: none;
        padding: 0;
        margin: 0;
    }

    .evidence-header {
        page-break-after: avoid;
    }

    .evidence-section {
        page-break-inside: avoid;
        margin-bottom: 2rem;
        border: 1px solid #000;
    }

    .kuri-display .kuri-hash {
        font-size: 10pt;
        line-height: 1.2;
    }

    .property-grid,
    .evidence-grid {
        grid-template-columns: 1fr 1fr;
    }

    .data-table {
        font-size: 8pt;
    }

    body {
        color: #000 !important;
        background: #fff !important;
    }
}

/* Block Visualization Styles - Isolated to prevent conflicts */
#blockVisualization.block-visualization {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    background: linear-gradient(90deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: var(--space-4);
    overflow: hidden;
    position: relative;
}

#blockVisualization .block-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 var(--space-2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateX(50px);
}

#blockVisualization .block-item.visible {
    opacity: 1;
    transform: translateX(0);
}

#blockVisualization .block-item.slide-left {
    animation: slideLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#blockVisualization .block-cube {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--oxford-blue) 0%, #1e40af 100%);
    border: 2px solid var(--white);
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

#blockVisualization .block-cube:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 64, 175, 0.4);
}

#blockVisualization .block-cube.new-block {
    animation: pulseNew 2s ease-in-out;
}

#blockVisualization .block-cube.new-block-glow {
    animation: newBlockGlow 3s ease-in-out;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.6), 0 4px 12px rgba(30, 64, 175, 0.3);
}

#blockVisualization .block-cube.new-block-glow.has-kuris {
    animation: newBlockGlowKuri 3s ease-in-out;
    box-shadow: 0 0 25px rgba(34, 197, 94, 0.8), 0 4px 12px rgba(34, 197, 94, 0.4);
}

#blockVisualization .block-cube.has-kuris {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

#blockVisualization .block-cube.has-kuris:hover {
    box-shadow: 0 6px 16px rgba(34, 197, 94, 0.4);
}

#blockVisualization .block-cube::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

#blockVisualization .block-cube::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: var(--white);
    border-radius: 2px;
    opacity: 0.8;
}

#blockVisualization .block-info {
    margin-top: var(--space-2);
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray-600);
    font-family: var(--font-mono);
}

#blockVisualization .block-number {
    font-weight: 600;
    color: var(--oxford-blue);
}

#blockVisualization .block-hash {
    font-size: 0.65rem;
    color: var(--gray-500);
    margin-top: 2px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#blockVisualization .block-connector {
    width: 24px;
    height: 2px;
    background: var(--gray-300);
    margin: 0 var(--space-1);
    position: relative;
}

#blockVisualization .block-connector::before {
    content: '';
    position: absolute;
    right: -4px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 6px solid var(--gray-300);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

#blockVisualization .block-stream-empty {
    color: var(--gray-500);
    font-style: italic;
    font-size: 0.875rem;
}

@keyframes slideLeft {
    0% {
        transform: translateX(50px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulseNew {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(30, 64, 175, 0.5);
    }
}

@keyframes newBlockGlow {
    0% {
        box-shadow: 0 0 30px rgba(34, 197, 94, 0.9), 0 4px 12px rgba(30, 64, 175, 0.3);
        transform: scale(1.1);
    }
    25% {
        box-shadow: 0 0 25px rgba(34, 197, 94, 0.7), 0 4px 12px rgba(30, 64, 175, 0.3);
        transform: scale(1.05);
    }
    50% {
        box-shadow: 0 0 20px rgba(34, 197, 94, 0.5), 0 4px 12px rgba(30, 64, 175, 0.3);
        transform: scale(1.02);
    }
    100% {
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
        transform: scale(1);
    }
}

@keyframes newBlockGlowKuri {
    0% {
        box-shadow: 0 0 35px rgba(34, 197, 94, 1), 0 4px 12px rgba(34, 197, 94, 0.4);
        transform: scale(1.15);
    }
    25% {
        box-shadow: 0 0 30px rgba(34, 197, 94, 0.8), 0 4px 12px rgba(34, 197, 94, 0.4);
        transform: scale(1.08);
    }
    50% {
        box-shadow: 0 0 25px rgba(34, 197, 94, 0.6), 0 4px 12px rgba(34, 197, 94, 0.4);
        transform: scale(1.03);
    }
    100% {
        box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
        transform: scale(1);
    }
}

@keyframes trainSlideIn {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes trainSlideOut {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(100px);
        opacity: 0;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Loading states */
.loading-placeholder {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-300) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.loading-row {
    pointer-events: none;
}

.loading-row td {
    opacity: 0.7;
}

/* Train animation specific styles */
#blockVisualization .new-block-incoming {
    z-index: 10;
}

#blockVisualization .block-item {
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s ease-out;
}

#blockVisualization .block-connector {
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s ease-out;
}

/* Chain Stats Container Layout */
.chain-stats-container {
    margin-bottom: var(--space-6);
}

.chain-stats-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    align-items: stretch; /* Make both columns same height */
    min-height: 200px; /* Ensure minimum height */
}

.chain-info-section {
    min-width: 0; /* Allow content to shrink */
    display: flex;
    flex-direction: column;
    height: 100%; /* Force full height */
}

.chain-stats-section {
    min-width: 0; /* Allow content to shrink */
    display: flex;
    flex-direction: column;
    height: 100%; /* Force full height */
}

.chain-info-section .logbook-entry {
    height: 100%;
    display: flex;
    flex-direction: column;
    flex: 1; /* Take all available space */
}

.chain-info-section .logbook-header {
    flex-shrink: 0; /* Don't shrink the header */
}

.chain-info-section .logbook-content {
    flex: 1; /* Take remaining space */
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-4) var(--space-3); /* Add more padding to fill space */
}

/* Compact Stats Grid for 2x2 layout */
.stats-grid-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-3);
    height: 100%;
    flex: 1; /* Take full height of parent */
    min-height: 200px; /* Match the minimum height */
}

.stats-grid-compact .stat-card {
    background: var(--white);
    border: var(--border-width) solid var(--gray-300);
    border-radius: 8px;
    padding: var(--space-3);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 90px; /* Ensure consistent card height */
}

.stats-grid-compact .stat-card:hover {
    border-color: var(--oxford-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stats-grid-compact .stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.stats-grid-compact .stat-title {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stats-grid-compact .stat-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.stats-grid-compact .stat-icon.primary {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.stats-grid-compact .stat-icon.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.stats-grid-compact .stat-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.stats-grid-compact .stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.stats-grid-compact .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    font-family: var(--font-mono);
    margin-bottom: var(--space-1);
}

.stats-grid-compact .stat-change {
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stats-grid-compact .stat-change.positive {
    color: #22c55e;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .chain-stats-table {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .chain-info-section {
        order: 1;
    }

    .chain-stats-section {
        order: 2;
    }

    .stats-grid-compact {
        gap: var(--space-2);
    }

    .stats-grid-compact .stat-card {
        padding: var(--space-2);
        min-height: 80px;
    }

    .stats-grid-compact .stat-value {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .stats-grid-compact {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .chain-stats-table {
        gap: var(--space-3);
    }
}

/* Channel Detail Page Styles */
.channel-state-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.state-section h4 {
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-3);
}

/* Channel Tabs */
.channel-tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    background: var(--gray-50);
    padding: 0 var(--space-4);
    gap: var(--space-2);
}

.channel-tab {
    background: none;
    border: none;
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.channel-tab:hover {
    color: var(--oxford-blue);
    background: var(--white);
}

.channel-tab.active {
    color: var(--oxford-blue);
    border-bottom-color: var(--oxford-blue);
    background: var(--white);
    font-weight: 600;
}

.channel-tab i {
    font-size: var(--text-sm);
}

.channel-tab-content {
    display: none;
}

.channel-tab-content.active {
    display: block;
}

.tab-loading {
    padding: var(--space-6);
    text-align: center;
    color: var(--gray-500);
}

/* Commit Era Timeline */
.commit-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.commit-era-item {
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    overflow: hidden;
}

.commit-era-header {
    padding: var(--space-4);
    background: var(--white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.commit-era-header:hover {
    background: var(--gray-50);
}

.commit-era-toggle {
    transition: transform 0.2s ease;
    color: var(--oxford-blue);
}

.commit-era-toggle.fa-chevron-down {
    transform: rotate(90deg);
}

.commit-era-details {
    border-top: 1px solid var(--gray-200);
}

/* Era Pagination */
.era-pagination {
    background: var(--gray-50);
}

.era-page-btn {
    transition: all 0.2s ease;
}

.era-page-btn:hover:not(.disabled) {
    background: var(--oxford-blue) !important;
    color: var(--white);
    border-color: var(--oxford-blue) !important;
}

.era-page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
}

/* Channel View Tabs */
.channel-view-tabs {
    display: flex;
    gap: var(--space-2);
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--space-6);
}

.channel-tab {
    padding: var(--space-3) var(--space-4);
    border: none;
    background: transparent;
    color: var(--gray-600);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.channel-tab:hover {
    color: var(--oxford-blue);
    background: var(--gray-50);
}

.channel-tab.active {
    color: var(--oxford-blue);
    border-bottom-color: var(--oxford-blue);
    background: var(--white);
    font-weight: 600;
}

.channel-tab i {
    font-size: var(--text-sm);
}

/* Status Badge Styles */
.status-badge {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.active {
    background: var(--success-light);
    color: var(--success-dark);
}

.status-badge.inactive {
    background: var(--gray-200);
    color: var(--gray-600);
}

/* Load More Button */
.load-more-btn {
    background: var(--oxford-blue);
    color: var(--white);
    border: none;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 auto;
}

.load-more-btn:hover:not(:disabled) {
    background: var(--oxford-blue-dark);
    transform: translateY(-1px);
}

.load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Channel View Header */
.channel-view-header h2 {
    font-size: var(--text-xl);
    font-weight: 700;
}

/* Pagination Styles */
.pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: var(--primary-light);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
}

.pagination-info {
    font-size: var(--text-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pagination-btn {
    background: var(--white);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    min-width: 40px;
    justify-content: center;
}

.pagination-btn:hover:not(.disabled) {
    background: var(--oxford-blue-light);
    border-color: var(--oxford-blue);
    color: var(--white);
}

.pagination-btn.active {
    background: var(--oxford-blue);
    border-color: var(--oxford-blue);
    color: var(--white);
    font-weight: 600;
}

.pagination-btn.disabled {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

.pagination-ellipsis {
    padding: var(--space-2);
    color: var(--gray-500);
    font-size: var(--text-sm);
}

.page-number {
    min-width: 36px;
    padding: var(--space-2);
}

/* Mobile pagination */
@media (max-width: 768px) {
    .pagination-controls {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }

    .pagination-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-btn {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
        min-width: 32px;
    }

    .page-number {
        min-width: 28px;
        padding: var(--space-1);
    }
}
/* Task 1 shared visual system: Mummai provenance console */
:root {
    --navy-950: #06162f;
    --navy-900: #0b1f3f;
    --navy-800: #12325f;
    --proof-blue-600: #1d6fd8;
    --proof-blue-500: #2f80ed;
    --proof-blue-100: #dbeafe;
    --proof-blue-50: #eff6ff;
    --slate-950: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --success-soft: #dcfce7;
    --success-strong: #166534;
    --warning-soft: #fef3c7;
    --warning-strong: #92400e;
    --error-soft: #fee2e2;
    --error-strong: #991b1b;
    --surface: #ffffff;
    --surface-muted: var(--slate-50);
    --border-subtle: var(--slate-200);
    --focus-ring: 0 0 0 3px rgba(47, 128, 237, 0.28);
    --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.08);
    --shadow-soft: 0 6px 20px rgba(15, 23, 42, 0.07);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --container-padding: clamp(1rem, 3vw, 2rem);
    --max-width: 1240px;
    --gray-50: var(--slate-50);
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--slate-800);
    background:
        radial-gradient(circle at top left, rgba(47, 128, 237, 0.10), transparent 34rem),
        linear-gradient(180deg, #f8fbff 0%, var(--slate-50) 34%, #ffffff 100%);
}

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.responsive-container,
.container {
    width: min(100%, var(--max-width));
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.skip-link {
    position: absolute;
    left: var(--space-4);
    top: var(--space-4);
    transform: translateY(-160%);
    z-index: 2000;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--navy-900);
    color: var(--white);
    text-decoration: none;
}

.skip-link:focus-visible {
    transform: translateY(0);
}

.site-header,
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(203, 213, 225, 0.9);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    backdrop-filter: blur(16px);
    padding: 0;
    margin-bottom: 0;
}

.site-header__inner,
.header-content {
    display: grid;
    /* 5 columns: logo | search | chain-selector | nav | theme-toggle */
    grid-template-columns: auto minmax(280px, 1fr) auto auto auto;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.5rem);
    min-height: 78px;
}

.site-brand,
.logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--navy-900);
    text-decoration: none;
}

.site-brand__mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    color: var(--white);
    background: linear-gradient(135deg, var(--navy-900), var(--proof-blue-600));
    box-shadow: var(--shadow-soft);
}

.site-brand strong {
    display: block;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
}

.site-brand small {
    display: block;
    margin-top: 0.05rem;
    color: var(--slate-500);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-search,
.header-search {
    width: 100%;
    max-width: 620px;
    justify-self: center;
    position: relative;
}

.search-box,
.header-search .search-box {
    margin-bottom: 0;
    border: 1px solid var(--slate-300);
    border-radius: 999px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.search-box:focus-within,
.header-search .search-box:focus-within {
    border-color: var(--proof-blue-500);
    box-shadow: var(--focus-ring);
}

.search-input,
.header-search .search-input {
    min-width: 0;
    padding: 0.78rem 1rem;
    font-family: var(--font-family);
    color: var(--slate-800);
}

.search-button,
.header-search .search-button {
    border-radius: 999px;
    margin: 4px;
    padding: 0.6rem 1rem;
    background: var(--navy-900);
}

.search-button:hover,
.header-search .search-button:hover {
    background: var(--proof-blue-600);
}

.search-results,
.header-search .search-results {
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.site-nav,
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--slate-600);
}

.nav-link:hover,
.nav-link.active {
    color: var(--navy-900);
    background: var(--proof-blue-50);
    border-color: var(--proof-blue-100);
}

.main-content {
    flex: 1;
    margin-bottom: 0;
    padding-block: clamp(1.5rem, 4vw, 3rem);
}

.page {
    padding: 0;
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
    gap: clamp(1rem, 3vw, 2rem);
    align-items: stretch;
    margin-bottom: var(--space-8);
}

.page-hero__content,
.proof-callout,
.dashboard-card,
.table-card,
.evidence-card {
    border: 1px solid rgba(203, 213, 225, 0.9);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-card);
}

.page-hero__content {
    padding: clamp(1.5rem, 4vw, 3rem);
    background:
        linear-gradient(135deg, rgba(6, 22, 47, 0.96), rgba(18, 50, 95, 0.93)),
        var(--navy-900);
    color: var(--white);
}

.eyebrow,
.card-kicker {
    margin: 0 0 var(--space-2);
    color: var(--proof-blue-600);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.page-hero__content .eyebrow {
    color: #bfdbfe;
}

.page-hero h1 {
    max-width: 820px;
    margin: 0;
    font-size: clamp(2rem, 5vw, 4.25rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

.page-hero__lead {
    max-width: 760px;
    margin-top: var(--space-4);
    color: #dbeafe;
    font-size: clamp(1rem, 2vw, 1.2rem);
}

.page-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.65rem 1rem;
    border: 1px solid var(--slate-300);
    border-radius: 999px;
    color: var(--navy-900);
    background: var(--white);
    font-weight: 700;
    text-decoration: none;
}

.button-link--primary {
    border-color: var(--proof-blue-500);
    color: var(--white);
    background: var(--proof-blue-600);
}

.proof-callout {
    padding: clamp(1.25rem, 3vw, 2rem);
    border-left: 5px solid var(--proof-blue-500);
}

.proof-callout h2 {
    margin: var(--space-4) 0 var(--space-2);
    color: var(--navy-900);
    font-size: var(--text-2xl);
}

.proof-callout p {
    color: var(--slate-600);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.dashboard-card,
.table-card {
    padding: clamp(1rem, 3vw, 1.5rem);
}

.home-ledger-card {
    padding: clamp(1rem, 3vw, 1.5rem);
}

.home-ledger-card .section-heading {
    min-height: 72px;
    align-items: flex-start;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--slate-200);
}

.home-ledger-card .section-heading .hash-chip {
    margin-top: 2px;
    padding: 0.45rem 0.75rem;
    font-size: var(--text-xs);
    line-height: 1.2;
}

.home-ledger-card .table-responsive {
    margin-top: var(--space-4);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.68);
}

[data-theme="dark"] .home-ledger-card .table-responsive {
    border-color: var(--border-subtle);
    background: var(--surface-muted);
}

.home-ledger-card .data-table {
    margin: 0;
}

.home-ledger-card .data-table th {
    background: var(--slate-50);
}

.home-ledger-card .hash-chip {
    padding: 0.45rem 0.75rem;
    font-size: var(--text-xs);
    line-height: 1.25;
}

.home-ledger-card .table-card__footer-link {
    margin-top: var(--space-4);
}

.dashboard-card h2,
.table-card h2,
.section-heading h2 {
    margin: 0;
    color: var(--navy-900);
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    letter-spacing: -0.03em;
}

.metric-grid,
.stats-grid-compact {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.metric-card,
.stat-card {
    min-width: 0;
    padding: var(--space-4);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, #ffffff, var(--slate-50));
    box-shadow: none;
    text-align: left;
}

.stat-card:hover,
.metric-card:hover {
    border-color: var(--proof-blue-500);
    box-shadow: var(--shadow-soft);
    transform: translateY(-1px);
}

.stat-title,
.metric-card__label {
    color: var(--slate-500);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.stat-value,
.metric-card__value {
    color: var(--navy-900);
    font-family: var(--font-mono);
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 800;
}

.metadata-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
}

.metadata-grid--compact {
    margin-top: var(--space-4);
}

.metadata-item,
.evidence-card {
    min-width: 0;
    padding: var(--space-4);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    background: var(--slate-50);
}

.metadata-item span,
.evidence-card span {
    display: block;
    color: var(--slate-500);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metadata-item strong,
.evidence-card strong {
    display: block;
    margin-top: var(--space-1);
    color: var(--slate-900, var(--slate-950));
    overflow-wrap: anywhere;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.live-stream-card {
    margin-bottom: var(--space-6);
}

.block-visualization {
    min-height: 118px;
    padding: var(--space-4);
    border: 1px dashed var(--slate-300);
    border-radius: var(--radius-lg);
    background: var(--slate-50);
    overflow-x: auto;
}

.table-card {
    margin-bottom: var(--space-6);
    overflow: hidden;
}

.table-responsive,
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-card .data-table,
.data-table {
    min-width: 760px;
    margin: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table th {
    background: var(--slate-50);
    color: var(--slate-600);
    border-bottom: 1px solid var(--slate-200);
}

.data-table td {
    border-bottom: 1px solid var(--slate-100);
    color: var(--slate-700);
    overflow-wrap: anywhere;
}

.data-table tr:hover {
    background: var(--proof-blue-50);
}

.table-card__footer-link {
    display: flex;
    justify-content: center;
    margin: var(--space-4) calc(-1 * clamp(1rem, 3vw, 1.5rem)) calc(-1 * clamp(1rem, 3vw, 1.5rem));
    padding: var(--space-4);
    border-top: 1px solid var(--slate-200);
    color: var(--navy-900);
    background: var(--slate-50);
    font-weight: 800;
    text-decoration: none;
}

.table-card__footer-link:hover {
    color: var(--proof-blue-600);
    background: var(--proof-blue-50);
}

.hash-chip {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--slate-300);
    border-radius: 999px;
    color: var(--slate-700);
    background: var(--slate-50);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    overflow-wrap: anywhere;
}

.long-value,
.hash-value,
.kuri-value,
.address-value,
.relay-value,
.url-value,
.search-result-item-detail {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
    white-space: normal;
}

.hash-value,
.kuri-value,
.address-value,
.relay-value,
.url-value {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1.45;
}

.route-hero {
    margin-bottom: var(--space-6);
}

.route-stack {
    display: grid;
    gap: var(--space-6);
}

.route-stack > *,
.kuri-details > *,
.kuri-transactions,
.table-responsive,
.table-container {
    min-width: 0;
    max-width: 100%;
}

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

.balance-summary {
    margin-bottom: var(--space-6);
}

.balance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--space-3);
}

.balance-card {
    min-width: 0;
    padding: var(--space-4);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, var(--white), var(--proof-blue-50));
}

.balance-value {
    display: block;
    margin-top: var(--space-1);
    color: var(--navy-900);
    font-family: var(--font-mono);
    font-size: clamp(1.05rem, 2.4vw, 1.45rem);
    font-weight: 800;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.balance-meta {
    display: block;
    color: var(--slate-500);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    overflow-wrap: anywhere;
}

.balance-transfers {
    display: grid;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.balance-transfer-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-3);
    align-items: start;
    padding: var(--space-3);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md, var(--border-radius));
    background: var(--slate-50);
}

.kuri-data-panel .section-heading {
    margin-bottom: var(--space-3);
}

.kuri-key-facts .metadata-item strong {
    line-height: 1.45;
}

.action-row,
.pagination-shell,
.pagination-controls,
.pagination-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.pagination-shell,
.pagination-controls {
    padding: var(--space-4);
    color: var(--slate-600);
}

.btn,
.load-more-btn,
.pagination-btn,
.era-page-btn,
.print-btn {
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-md, var(--border-radius));
    padding: 0.55rem 0.85rem;
    background: var(--white);
    color: var(--navy-900);
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary,
.load-more-btn {
    border-color: var(--navy-900);
    background: var(--navy-900);
    color: var(--white);
}

.btn:disabled,
.pagination-btn.disabled,
.era-page-btn.disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    width: fit-content;
    padding: 0.32rem 0.62rem;
    border-radius: 999px;
    border: 1px solid var(--slate-200);
    color: var(--slate-700);
    background: var(--slate-100);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.status-badge--success,
.status-badge.success,
.status-badge.active,
.status-badge.info,
.status.success {
    border-color: #bbf7d0;
    color: var(--success-strong);
    background: var(--success-soft);
}

.status-badge--warning,
.status-badge.warning,
.status-badge.inactive,
.status.warning {
    border-color: #fde68a;
    color: var(--warning-strong);
    background: var(--warning-soft);
}

.status-badge--error,
.status-badge.error,
.status.error {
    border-color: #fecaca;
    color: var(--error-strong);
    background: var(--error-soft);
}

.status-badge--neutral,
.status-badge.neutral,
.status.neutral {
    color: var(--slate-600);
    background: var(--slate-100);
}

.empty-state,
.error-state,
.loading-state {
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
}

.empty-state {
    border: 1px dashed var(--slate-300);
    color: var(--slate-500);
    background: var(--slate-50);
}

.error-state,
.error-message {
    border: 1px solid #fecaca;
    color: var(--error-strong);
    background: var(--error-soft);
}

.loading-state,
.loading {
    color: var(--slate-500);
    background: linear-gradient(90deg, var(--slate-50), #ffffff, var(--slate-50));
}

.site-footer,
.footer {
    margin-top: clamp(2rem, 5vw, 4rem);
    border-top: 1px solid var(--slate-200);
    background: var(--navy-950);
    color: #cbd5e1;
}

.footer-section h3,
.footer-section h4,
.footer-section a:hover {
    color: var(--white);
}

.footer-section a,
.footer-bottom {
    color: #cbd5e1;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 2px solid var(--proof-blue-500);
    outline-offset: 3px;
    box-shadow: var(--focus-ring);
}

@media (max-width: 980px) {
    .site-header__inner,
    .header-content {
        grid-template-columns: 1fr;
        padding-block: var(--space-3);
    }

    .site-search,
    .header-search {
        max-width: none;
        justify-self: stretch;
    }

    .site-nav,
    .nav {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .responsive-container,
    .container {
        padding-inline: var(--space-4);
    }

    .page-hero__content,
    .proof-callout,
    .dashboard-card,
    .table-card {
        border-radius: var(--radius-lg);
    }

    .metadata-grid,
    .metric-grid,
    .stats-grid-compact {
        grid-template-columns: 1fr;
    }

    .section-heading {
        flex-direction: column;
    }

    .data-table {
        min-width: 680px;
        display: table;
        white-space: normal;
    }

    .data-table thead,
    .data-table tbody,
    .data-table th,
    .data-table td,
    .data-table tr {
        display: revert;
    }

    .data-table thead tr {
        position: static;
    }

    .data-table tr {
        border: 0;
        padding: 0;
        margin: 0;
        border-radius: 0;
    }

    .data-table td {
        padding-left: var(--space-4) !important;
    }

    .data-table td:before {
        content: none;
    }

    .balance-grid,
    .balance-transfer-row {
        grid-template-columns: 1fr;
    }

    .data-first-kuri,
    .data-first-kuri > *,
    .kuri-details,
    .kuri-details > *,
    .kuri-data-panel,
    .kuri-key-facts,
    .kuri-key-facts > *,
    .page-hero,
    .page-hero__content {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box;
    }

    .data-first-kuri .button-link {
        width: 100%;
        white-space: normal;
        overflow-wrap: anywhere;
    }

    :is(.data-table, .table-responsive, .table-container) :is(.long-value, .hash-value, .kuri-value, .address-value, .url-value),
    :is(.data-table, .table-responsive, .table-container) :is(.long-value, .hash-value, .kuri-value, .address-value, .url-value) * {
        white-space: normal !important;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
}

@media (max-width: 520px) {
    .main-content {
        padding-block: var(--space-4);
    }

    .page-hero h1 {
        font-size: 2.15rem;
    }

    .page-hero__actions,
    .button-link {
        width: 100%;
    }

    .search-input,
    .header-search .search-input {
        font-size: var(--text-xs);
    }

    .hash,
    .hash-chip {
        max-width: 100%;
        white-space: normal;
        overflow-wrap: anywhere;
    }
}

/* Route refinement for complete site-wide facelift */
.hash-table {
    margin: var(--space-4) 0;
    padding: 0;
    overflow: hidden;
}
.hash-table__grid { display: grid; }
.hash-table__row {
    display: grid;
    grid-template-columns: minmax(130px, 0.22fr) minmax(0, 1fr);
    border-top: 1px solid var(--slate-200);
}
.hash-table__row:first-child { border-top: 0; }
.hash-table__label,
.hash-table__value {
    padding: var(--space-3);
}
.hash-table__label {
    color: var(--slate-600);
    background: var(--slate-50);
    border-right: 1px solid var(--slate-200);
    font-size: var(--text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.hash-table__summary {
    cursor: pointer;
    color: var(--proof-blue-600);
    font-weight: 800;
    font-size: var(--text-xs);
}
.tabbed-card { padding: 0; }
.table-card__body { padding: var(--space-4); }
.route-tabs {
    border-bottom: 1px solid var(--slate-200);
    background: var(--slate-50);
}
.logbook-entry.dashboard-card { margin-bottom: var(--space-6); }
@media (max-width: 640px) {
    .hash-table__row { grid-template-columns: 1fr; }
    .hash-table__label { border-right: 0; border-bottom: 1px solid var(--slate-200); }
}

/* Contrast fixes for navy hero surfaces after route restyling */
.page-hero__content h1,
.page-hero__content .page-title,
.page-hero__content .fa,
.page-hero__content .fas {
    color: var(--white) !important;
}
.page-hero__content .hash-chip {
    color: var(--navy-900);
    background: var(--white);
}
.arikuri-special-view .evidence-header,
.arikuri-evidence-document .evidence-header {
    background: var(--navy-900);
    color: var(--white);
}
.arikuri-special-view .evidence-header h2,
.arikuri-special-view .evidence-header .evidence-subtitle,
.arikuri-evidence-document .evidence-header h2,
.arikuri-evidence-document .evidence-header .evidence-subtitle {
    color: var(--white) !important;
}

/* Chain selector and selected-chain empty states */
.chain-selector-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 220px;
}

.chain-selector {
    width: 100%;
    min-width: 180px;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--white);
    color: var(--gray-900);
    font-size: var(--text-sm);
    font-family: var(--font-family);
}

.chain-selector:focus {
    outline: none;
    border-color: var(--oxford-blue);
    box-shadow: 0 0 0 3px rgba(0, 33, 71, 0.1);
}

.chain-selector:disabled {
    color: var(--gray-500);
    background: var(--gray-100);
    cursor: not-allowed;
}

.chain-selector-status {
    color: var(--gray-600);
    font-size: var(--text-xs);
    white-space: nowrap;
}

.no-chain-state {
    padding: var(--space-6);
    text-align: center;
    color: var(--gray-600);
    background: var(--gray-50);
    border: 1px dashed var(--gray-300);
    border-radius: var(--border-radius);
}

@media (max-width: 768px) {
    .chain-selector-wrap {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .chain-selector {
        max-width: 320px;
    }

    .nav {
        order: 4;
    }
}

/* Multi-chain landing page and selected-chain dashboard */
.chain-landing,
.chain-dashboard-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.chain-landing-header,
.chain-dashboard-title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
}

.chain-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
}

.chain-comparison-table,
.chain-dashboard-header {
    margin-bottom: var(--space-6);
}

.chain-dashboard-header {
    padding: var(--space-6);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.chain-dashboard-stats .stat-card {
    min-height: 120px;
}

.chain-action-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.chain-action-links a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    color: var(--oxford-blue);
    background: var(--white);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
}

.chain-action-links a:hover {
    background: var(--gray-50);
    border-color: var(--oxford-blue);
}

.chain-dashboard-actions {
    padding-top: var(--space-2);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.status-badge.warning {
    background: var(--warning-light, #fff7ed);
    color: var(--warning-dark, #9a3412);
}

.status-badge.error {
    background: var(--error-light, #fef2f2);
    color: var(--error-dark, #991b1b);
}

@media (max-width: 768px) {
    .chain-landing-header,
    .chain-dashboard-title {
        flex-direction: column;
        align-items: stretch;
    }

    .chain-action-links {
        flex-direction: column;
    }

    .chain-action-links a {
        justify-content: center;
    }
}
/* Developer portal */
.developer-page { display: none; }
.developer-page.active { display: block; }
.developer-hero { display: flex; justify-content: space-between; gap: var(--space-6); align-items: flex-start; margin-bottom: var(--space-6); padding: var(--space-6); background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--border-radius); }
.eyebrow { color: var(--oxford-blue); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--space-2); }
.developer-subtitle { color: var(--gray-600); max-width: 760px; line-height: 1.6; }
.developer-auth-status { padding: var(--space-2) var(--space-3); background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: 999px; color: var(--gray-700); font-size: var(--text-sm); white-space: nowrap; }
.developer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-6); }
.developer-card, .developer-notice, .api-key-missing-panel { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--border-radius); padding: var(--space-5); margin-bottom: var(--space-6); box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.developer-card h2, .developer-notice h3, .api-key-missing-panel h3 { color: var(--oxford-blue); margin-bottom: var(--space-3); }
.developer-form { display: grid; gap: var(--space-3); }
.developer-form label { display: grid; gap: var(--space-1); color: var(--gray-700); font-size: var(--text-sm); font-weight: 600; }
.developer-form input, .developer-form textarea, .developer-form select, .key-create-row input, .key-create-row select { width: 100%; padding: 10px 12px; border: 1px solid var(--gray-300); border-radius: var(--border-radius); font: inherit; background: var(--white); color: var(--gray-900); }
.developer-form input:focus, .developer-form textarea:focus, .developer-form select:focus { outline: none; border-color: var(--oxford-blue); box-shadow: 0 0 0 3px rgba(0,33,71,.08); }
.inline-form { grid-template-columns: 1fr auto; align-items: end; }
.compact-form { margin-top: var(--space-3); }
.password-reset-panel { margin-top: var(--space-4); color: var(--gray-700); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: 10px 14px; border-radius: var(--border-radius); border: 1px solid transparent; cursor: pointer; font-weight: 600; text-decoration: none; }
.btn-primary { background: var(--oxford-blue); color: var(--white); }
.btn-secondary { background: var(--gray-100); color: var(--oxford-blue); border-color: var(--gray-300); }
.btn-danger { background: #fee2e2; color: #991b1b; border-color: #fecaca; }
.btn:disabled, input:disabled, select:disabled { opacity: .55; cursor: not-allowed; }
.developer-message { margin-bottom: var(--space-4); padding: var(--space-3); border-radius: var(--border-radius); border: 1px solid var(--gray-200); background: var(--gray-100); }
.developer-message.success { background: #dcfce7; border-color: #86efac; color: #166534; }
.developer-message.error { background: #fee2e2; border-color: #fca5a5; color: #991b1b; }
.developer-notice.warning { background: #fffbeb; border-color: #fcd34d; }
.api-key-missing-panel, .api-key-missing-state { background: #fff7ed; border-color: #fdba74; color: #9a3412; }
.api-key-missing-state { border: 1px solid #fdba74; border-radius: var(--border-radius); padding: var(--space-4); }
.profile-card { display: flex; justify-content: space-between; gap: var(--space-4); align-items: center; }
.developer-apps-list { display: grid; gap: var(--space-4); }
.developer-app-card { border: 1px solid var(--gray-200); border-radius: var(--border-radius); padding: var(--space-4); background: var(--gray-50); }
.developer-app-card h3 { color: var(--oxford-blue); margin-bottom: var(--space-2); }
.key-create-row { display: grid; grid-template-columns: minmax(160px, 1fr) 120px auto; gap: var(--space-2); margin: var(--space-3) 0; align-items: center; }
.api-key-list { display: grid; gap: var(--space-2); margin-top: var(--space-3); }
.api-key-card { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: var(--space-2); border: 1px solid var(--gray-200); border-radius: var(--border-radius); background: var(--white); }
.api-key-card code, .one-time-secret code, .docs-panel code { font-family: var(--font-mono); word-break: break-all; }
.one-time-secret { background: #ecfdf5; border: 1px solid #6ee7b7; border-radius: var(--border-radius); padding: var(--space-4); margin-top: var(--space-4); }
.one-time-secret code { display: block; margin-top: var(--space-2); padding: var(--space-3); background: var(--white); border: 1px dashed #10b981; }
.docs-panel pre { overflow: auto; background: var(--gray-100); border: 1px solid var(--gray-200); padding: var(--space-3); border-radius: var(--border-radius); margin-top: var(--space-3); }
.empty-state, .disabled-note { color: var(--gray-600); font-size: var(--text-sm); padding: var(--space-2) 0; }
.hidden { display: none !important; }
@media (max-width: 720px) { .developer-hero, .profile-card { flex-direction: column; } .inline-form, .key-create-row { grid-template-columns: 1fr; } }

/* Production UI audit refinements: mobile table/card and stream behavior */
.table-card,
.table-responsive,
.table-container {
    max-width: 100%;
}

@media (max-width: 768px) {
    .table-card {
        overflow: hidden;
    }

    .table-card__body {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table-responsive::after {
        content: 'Swipe horizontally to view all columns';
        display: block;
        margin-top: var(--space-2);
        color: var(--slate-500);
        font-size: var(--text-xs);
        font-weight: 700;
        text-align: center;
    }

    :is(.table-responsive, .table-container) .data-table {
        table-layout: auto;
        width: max-content;
    }

    :is(.table-responsive, .table-container) .data-table :is(th, td) {
        white-space: nowrap;
    }

    :is(.table-responsive, .table-container) .data-table :is(th, td):is(.long-value, .hash-value, .kuri-value, .address-value, .url-value),
    :is(.table-responsive, .table-container) .data-table :is(th, td) :is(.long-value, .hash-value, .kuri-value, .address-value, .url-value) {
        white-space: normal !important;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .home-ledger-card {
        padding: var(--space-4);
    }

    .home-ledger-card .section-heading {
        min-height: 0;
        gap: var(--space-3);
        padding-bottom: var(--space-3);
    }

    .home-ledger-card .section-heading h2 {
        font-size: 1.25rem;
    }

    .home-ledger-card .section-heading .hash-chip,
    .home-ledger-card .hash-chip {
        padding: 0.4rem 0.65rem;
        font-size: 0.75rem;
    }

    .home-ledger-card .table-responsive {
        margin-top: var(--space-3);
    }

    .channel-state-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .channel-tabs,
    .channel-view-tabs {
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding-inline: var(--space-2);
    }

    .channel-tab {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .channel-state-grid .logbook-line {
        flex-direction: column;
        gap: var(--space-1);
    }

    .channel-state-grid .logbook-label {
        width: auto;
        padding-right: 0;
    }

    .channel-state-grid .logbook-value {
        min-width: 0;
        max-width: 100%;
    }

    #blockVisualization.block-visualization {
        justify-content: flex-start;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x proximity;
        padding-inline: var(--space-3);
    }

    #blockVisualization .block-item {
        scroll-snap-align: center;
        transform: none;
        min-width: 72px;
    }

    #blockVisualization .block-connector {
        flex: 0 0 18px;
    }

    .live-stream-card {
        overflow: hidden;
    }
}

@media (min-width: 981px) {
    .page-hero {
        align-items: start;
    }

    .proof-callout {
        min-height: auto;
        align-self: start;
    }

    .dashboard-grid {
        margin-bottom: var(--space-8);
    }
}

/* ===== Theme toggle button ===== */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--slate-300);
    border-radius: 999px;
    background: var(--surface);
    color: var(--slate-600);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--navy-900);
    border-color: var(--proof-blue-500);
    background: var(--proof-blue-50);
}

.theme-toggle .fa-moon { display: none; }
.theme-toggle .fa-sun  { display: none; }

/* Light mode: show moon icon (click to go dark) */
[data-theme="light"] .theme-toggle .fa-moon,
:root:not([data-theme="dark"]) .theme-toggle .fa-moon { display: inline; }

/* Dark mode: show sun icon (click to go light) */
[data-theme="dark"] .theme-toggle .fa-sun { display: inline; }
[data-theme="dark"] .theme-toggle .fa-moon { display: none; }

/* ===== Dark mode: CSS custom property overrides ===== */
[data-theme="dark"] {
    /* Core palette — inverted for dark surfaces */
    --navy-950: #0a0f1a;
    --navy-900: #c8d6e5;
    --navy-800: #a0b4cc;
    --proof-blue-600: #5b9cf5;
    --proof-blue-500: #6ba6f7;
    --proof-blue-100: #1e3a5f;
    --proof-blue-50: #141e2e;
    --slate-950: #f1f5f9;
    --slate-800: #e2e8f0;
    --slate-700: #cbd5e1;
    --slate-600: #94a3b8;
    --slate-500: #64748b;
    --slate-300: #334155;
    --slate-200: #1e293b;
    --slate-100: #172033;
    --slate-50: #111827;

    /* Semantic surfaces */
    --surface: #0f1724;
    --surface-muted: #111827;
    --surface-raised: #172033;
    --surface-hover: #141e2e;
    --border-subtle: #1e293b;
    --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.3);
    --shadow-soft: 0 6px 20px rgba(0, 0, 0, 0.25);

    /* Status colors (dark-friendly) */
    --success-soft: #052e16;
    --success-strong: #4ade80;
    --warning-soft: #422006;
    --warning-strong: #fbbf24;
    --error-soft: #450a0a;
    --error-strong: #f87171;

    /* Oxford blue overrides (used by older CSS for text) */
    --oxford-blue: #93b4d4;
    --oxford-blue-light: #6ba6f7;
    --oxford-blue-dark: #c8d6e5;

    /* Gray scale overrides (used by older CSS) */
    --gray-900: #f1f5f9;
    --gray-800: #e2e8f0;
    --gray-700: #cbd5e1;
    --gray-600: #94a3b8;
    --gray-500: #64748b;
    --gray-400: #475569;
    --gray-300: #334155;
    --gray-200: #1e293b;
    --gray-100: #172033;
    --gray-50: #111827;
    --white: #0f1724;
    --black: #f1f5f9;

    /* Focus ring */
    --focus-ring: 0 0 0 3px rgba(107, 166, 247, 0.35);

    color-scheme: dark;
}

/* ===== Dark mode: fix dual-purpose variable conflicts =====
   --white and --navy-900 are inverted for surface/text use, but elements
   that use them as accent backgrounds or text-on-accent need explicit overrides
   to keep proper contrast. */

/* Brand mark: keep strong colored background */
[data-theme="dark"] .site-brand__mark {
    color: #ffffff;
    background: linear-gradient(135deg, #0b1f3f, #5b9cf5);
}

/* Search button: keep dark accent background with white icon */
[data-theme="dark"] .search-button,
[data-theme="dark"] .header-search .search-button {
    background: #1e3a5f;
    color: #ffffff;
}

[data-theme="dark"] .search-button:hover,
[data-theme="dark"] .header-search .search-button:hover {
    background: #5b9cf5;
    color: #ffffff;
}

/* Primary buttons: keep strong accent background with white text */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .load-more-btn {
    border-color: #5b9cf5;
    background: #1e3a5f;
    color: #ffffff;
}

[data-theme="dark"] .btn-primary:hover,
[data-theme="dark"] .load-more-btn:hover {
    background: #2a4f7a;
}

/* Secondary buttons */
[data-theme="dark"] .btn-secondary {
    background: var(--surface-raised);
    color: var(--navy-900);
    border-color: var(--slate-300);
}

/* Danger buttons */
[data-theme="dark"] .btn-danger {
    background: var(--error-soft);
    color: var(--error-strong);
    border-color: #7f1d1d;
}

/* Primary button-link: keep accent background with white text */
[data-theme="dark"] .button-link--primary {
    border-color: #5b9cf5;
    color: #ffffff;
    background: #1e3a5f;
}

/* Nav link active/hover: keep readable */
[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    color: var(--slate-800);
    background: var(--surface-hover);
    border-color: var(--proof-blue-100);
}

/* Skip link: keep dark bg with white text */
[data-theme="dark"] .skip-link {
    background: var(--border-subtle);
    color: #ffffff;
}

/* Hero hash chip on dark hero: keep white bg */
[data-theme="dark"] .page-hero__content .hash-chip {
    color: #0b1f3f;
    background: #ffffff;
}

/* Hero h1 and icons: keep white */
[data-theme="dark"] .page-hero__content h1,
[data-theme="dark"] .page-hero__content .page-title,
[data-theme="dark"] .page-hero__content .fa,
[data-theme="dark"] .page-hero__content .fas {
    color: #ffffff !important;
}

/* Hero action buttons: keep white text on primary */
[data-theme="dark"] .page-hero__content .button-link--primary {
    color: #ffffff;
}

[data-theme="dark"] .page-hero__content .button-link {
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* Evidence header: keep dark bg with white text */
[data-theme="dark"] .arikuri-special-view .evidence-header h2,
[data-theme="dark"] .arikuri-special-view .evidence-header .evidence-subtitle,
[data-theme="dark"] .arikuri-evidence-document .evidence-header h2,
[data-theme="dark"] .arikuri-evidence-document .evidence-header .evidence-subtitle {
    color: #ffffff !important;
}

/* Status badge text on dark hero */
[data-theme="dark"] .page-hero__content .status-badge--success {
    color: var(--success-strong);
}

/* ===== Dark mode: element-level overrides for hardcoded values ===== */

/* Body background */
[data-theme="dark"] body {
    background: radial-gradient(circle at top left, rgba(91, 156, 245, 0.06), transparent 34rem),
        linear-gradient(180deg, var(--navy-950) 0%, var(--surface) 34%, var(--surface-muted) 100%);
    color: var(--slate-800);
}

/* Header glass effect */
[data-theme="dark"] .site-header,
[data-theme="dark"] .header {
    background: rgba(15, 23, 36, 0.92);
    border-bottom-color: rgba(30, 41, 59, 0.9);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

/* Search box */
[data-theme="dark"] .search-box,
[data-theme="dark"] .header-search .search-box {
    border-color: var(--slate-300);
    background: var(--surface-raised);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .search-input,
[data-theme="dark"] .header-search .search-input {
    color: var(--slate-800);
}

[data-theme="dark"] .search-input::placeholder {
    color: var(--slate-500);
}

/* Cards and surfaces with hardcoded rgba white */
[data-theme="dark"] .page-hero__content,
[data-theme="dark"] .proof-callout,
[data-theme="dark"] .dashboard-card,
[data-theme="dark"] .table-card,
[data-theme="dark"] .evidence-card {
    border-color: rgba(30, 41, 59, 0.9);
    background: rgba(15, 23, 36, 0.92);
}

/* Hero section stays dark in both modes */
[data-theme="dark"] .page-hero__content {
    background: linear-gradient(135deg, rgba(6, 22, 47, 0.98), rgba(10, 30, 60, 0.96)),
        #0a0f1a;
}

[data-theme="dark"] .page-hero__content .eyebrow { color: #93c5fd; }
[data-theme="dark"] .page-hero__lead { color: #bfdbfe; }

/* Button link (light variant) */
[data-theme="dark"] .button-link {
    border-color: var(--slate-300);
    color: var(--navy-900);
    background: var(--surface-raised);
}

[data-theme="dark"] .button-link:hover {
    background: var(--border-subtle);
}

/* Stat/metric cards with hardcoded gradient */
[data-theme="dark"] .metric-card,
[data-theme="dark"] .stat-card {
    background: linear-gradient(180deg, var(--surface-raised), var(--surface-muted));
}

/* Stat icon backgrounds */
[data-theme="dark"] .stat-icon.primary { background: #1e3a5f; color: #5b9cf5; }
[data-theme="dark"] .stat-icon.success { background: #052e16; color: #4ade80; }
[data-theme="dark"] .stat-icon.warning { background: #422006; color: #fbbf24; }
[data-theme="dark"] .stat-icon.info    { background: #1e1b4b; color: #a78bfa; }

/* Block visualization */
[data-theme="dark"] .block-visualization {
    border-color: var(--slate-300);
    background: var(--surface-muted);
}

/* Table overrides */
[data-theme="dark"] .data-table th {
    background: var(--surface-muted);
    color: var(--slate-600);
    border-bottom-color: var(--border-subtle);
}

[data-theme="dark"] .data-table td {
    border-bottom-color: var(--surface-raised);
    color: var(--slate-700);
}

[data-theme="dark"] .data-table tr:hover {
    background: var(--surface-hover);
}

/* Table footer link */
[data-theme="dark"] .table-card__footer-link {
    border-top-color: var(--border-subtle);
    color: var(--navy-900);
    background: var(--surface-muted);
}

[data-theme="dark"] .table-card__footer-link:hover {
    color: var(--proof-blue-600);
    background: var(--surface-hover);
}

/* Footer — keep dark but adjust border */
[data-theme="dark"] .site-footer,
[data-theme="dark"] .footer {
    background: #060c18;
    border-top-color: var(--border-subtle);
    color: var(--slate-600);
}

[data-theme="dark"] .footer-section a,
[data-theme="dark"] .footer-bottom {
    color: var(--slate-600);
}

[data-theme="dark"] .footer-section h3,
[data-theme="dark"] .footer-section h4,
[data-theme="dark"] .footer-section a:hover {
    color: var(--slate-800);
}

/* Status badges with hardcoded border colors */
[data-theme="dark"] .status-badge--success,
[data-theme="dark"] .status-badge.success,
[data-theme="dark"] .status-badge.active,
[data-theme="dark"] .status-badge.info,
[data-theme="dark"] .status.success {
    border-color: #166534;
}

[data-theme="dark"] .status-badge--warning,
[data-theme="dark"] .status-badge.warning,
[data-theme="dark"] .status-badge.inactive,
[data-theme="dark"] .status.warning {
    border-color: #92400e;
}

[data-theme="dark"] .status-badge--error,
[data-theme="dark"] .status-badge.error,
[data-theme="dark"] .status.error {
    border-color: #991b1b;
}

/* Empty/error/loading states */
[data-theme="dark"] .empty-state {
    border-color: var(--slate-300);
    color: var(--slate-500);
    background: var(--surface-muted);
}

[data-theme="dark"] .error-state,
[data-theme="dark"] .error-message {
    border-color: #7f1d1d;
    color: var(--error-strong);
    background: var(--error-soft);
}

[data-theme="dark"] .loading-state,
[data-theme="dark"] .loading {
    color: var(--slate-500);
    background: linear-gradient(90deg, var(--surface-muted), var(--surface-raised), var(--surface-muted));
}

/* Hash table */
[data-theme="dark"] .hash-table__label {
    color: var(--slate-600);
    background: var(--surface-muted);
    border-right-color: var(--border-subtle);
}

[data-theme="dark"] .hash-table__row {
    border-top-color: var(--border-subtle);
}

/* Route tabs */
[data-theme="dark"] .route-tabs {
    border-bottom-color: var(--border-subtle);
    background: var(--surface-muted);
}

/* Developer portal */
[data-theme="dark"] .developer-hero {
    background: var(--surface);
    border-color: var(--border-subtle);
}

[data-theme="dark"] .developer-auth-status {
    background: var(--surface-raised);
    border-color: var(--border-subtle);
    color: var(--slate-600);
}

[data-theme="dark"] .developer-card,
[data-theme="dark"] .developer-notice,
[data-theme="dark"] .api-key-missing-panel {
    background: var(--surface);
    border-color: var(--border-subtle);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .developer-form input,
[data-theme="dark"] .developer-form textarea,
[data-theme="dark"] .developer-form select,
[data-theme="dark"] .key-create-row input,
[data-theme="dark"] .key-create-row select {
    background: var(--surface-raised);
    border-color: var(--slate-300);
    color: var(--slate-800);
}

[data-theme="dark"] .developer-app-card {
    border-color: var(--border-subtle);
    background: var(--surface-muted);
}

[data-theme="dark"] .api-key-card {
    border-color: var(--border-subtle);
    background: var(--surface);
}

[data-theme="dark"] .developer-message {
    background: var(--surface-raised);
    border-color: var(--border-subtle);
}

[data-theme="dark"] .developer-message.success {
    background: var(--success-soft);
    border-color: #166534;
    color: var(--success-strong);
}

[data-theme="dark"] .developer-message.error {
    background: var(--error-soft);
    border-color: #991b1b;
    color: var(--error-strong);
}

[data-theme="dark"] .developer-notice.warning {
    background: var(--warning-soft);
    border-color: #92400e;
}

[data-theme="dark"] .api-key-missing-panel,
[data-theme="dark"] .api-key-missing-state {
    background: var(--warning-soft);
    border-color: #92400e;
    color: var(--warning-strong);
}

[data-theme="dark"] .one-time-secret {
    background: var(--success-soft);
    border-color: #166534;
}

[data-theme="dark"] .one-time-secret code {
    background: var(--surface);
    border-color: #166534;
}

[data-theme="dark"] .docs-panel pre {
    background: var(--surface-muted);
    border-color: var(--border-subtle);
}

/* Chain selector */
[data-theme="dark"] .chain-selector {
    background: var(--surface-raised);
    border-color: var(--slate-300);
    color: var(--slate-800);
}

[data-theme="dark"] .chain-selector:focus {
    border-color: var(--proof-blue-600);
    box-shadow: 0 0 0 3px rgba(91, 156, 245, 0.15);
}

[data-theme="dark"] .chain-selector:disabled {
    color: var(--gray-400);
    background: var(--surface-muted);
}

/* Chain dashboard */
[data-theme="dark"] .chain-dashboard-header {
    background: var(--surface);
    border-color: var(--border-subtle);
}

[data-theme="dark"] .chain-action-links a {
    border-color: var(--slate-300);
    color: var(--oxford-blue);
    background: var(--surface);
}

[data-theme="dark"] .chain-action-links a:hover {
    background: var(--surface-raised);
    border-color: var(--proof-blue-600);
}

/* No-chain state */
[data-theme="dark"] .no-chain-state {
    color: var(--slate-600);
    background: var(--surface-muted);
    border-color: var(--slate-300);
}

/* Skip link */
[data-theme="dark"] .skip-link {
    background: var(--border-subtle);
    color: var(--slate-800);
}

/* Search results dropdown */
[data-theme="dark"] .search-results,
[data-theme="dark"] .header-search .search-results {
    border-color: var(--border-subtle);
    background: var(--surface);
}

/* Proof callout in dark mode */
[data-theme="dark"] .proof-callout h2 {
    color: var(--navy-900);
}

[data-theme="dark"] .proof-callout p {
    color: var(--slate-600);
}

/* Evidence header (arikuri) */
[data-theme="dark"] .arikuri-special-view .evidence-header,
[data-theme="dark"] .arikuri-evidence-document .evidence-header {
    background: var(--navy-950);
}

/* Address links and logbook components (older CSS with hardcoded light backgrounds) */
[data-theme="dark"] .logbook-value.address,
[data-theme="dark"] .logbook-value a.address {
    background-color: var(--surface-muted);
    border-color: var(--slate-300);
    color: var(--oxford-blue);
}

[data-theme="dark"] .logbook-value a.address:hover {
    background-color: var(--surface-raised);
}

[data-theme="dark"] .expandable-list .expanded-content a.address {
    background-color: var(--surface-muted);
    border-color: var(--slate-300);
    color: var(--oxford-blue);
}

[data-theme="dark"] .expandable-list .expanded-content a.address:hover {
    background-color: var(--surface-raised);
}

[data-theme="dark"] .logbook-entry {
    background-color: var(--surface);
    border-color: var(--slate-300);
}

[data-theme="dark"] .logbook-header {
    background-color: var(--navy-950);
    color: #ffffff;
    border-bottom-color: var(--slate-300);
}

[data-theme="dark"] .logbook-line {
    border-bottom-color: var(--border-subtle);
}

[data-theme="dark"] .logbook-value.hash {
    background-color: var(--surface-muted);
    border-color: var(--border-subtle);
}

/* Scrollbar styling for dark mode */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--surface-muted);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--slate-300);
    border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Selection color */
[data-theme="dark"] ::selection {
    background: rgba(91, 156, 245, 0.3);
    color: var(--slate-800);
}

/* Mobile responsive: theme toggle */
@media (max-width: 980px) {
    .theme-toggle {
        order: 5;
    }
}

/* Transition for smooth theme switching — applied only during toggling via JS.
   The .theme-transitioning class is added by setupThemeToggle() and removed
   after 200ms to avoid permanent per-element transition tracking overhead. */
.theme-transitioning *,
.theme-transitioning *::before,
.theme-transitioning *::after {
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease !important;
}

/* Disable transitions on page load to prevent flash */
.no-transition,
.no-transition * {
    transition: none !important;
}