/* ═══════════════════════════════════════════════════
   CertiLead Explorer — Custom CSS
   Primary: #347FFC
   ═══════════════════════════════════════════════════ */

:root {
    --ex-primary: #347FFC;
    --ex-primary-dark: #2a66ca;
    --ex-primary-light: #e2eeff;
    --ex-primary-rgb: 52, 127, 252;
    --ex-bg: #f4f6f9;
    --ex-card-bg: #ffffff;
    --ex-text: #2d3748;
    --ex-text-muted: #718096;
    --ex-border: #e2e8f0;
    --ex-hash-color: #4a5568;
    --ex-success: #38a169;
    --ex-success-bg: #e8f5e9;
    --ex-success-border: #a5d6a7;
    --ex-warning: #e07c00;
    --ex-warning-bg: #fff8e1;
    --ex-warning-border: #ffe082;
    --ex-danger: #e53e3e;
    --ex-danger-bg: #ffebee;
    --ex-danger-border: #ef9a9a;
    --ex-gray-bg: #f7fafc;
    --ex-gray-text: #9e9e9e;
    --ex-header-bg: #f3f3f3;
    --ex-input-bg: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] {
    --ex-primary: #75ACFF;
    --ex-primary-dark: #4a88e8;
    --ex-primary-light: #1a2a45;
    --ex-primary-rgb: 90, 156, 255;
    --ex-bg: #0f1419;
    --ex-card-bg: #1a1f2e;
    --ex-text: #e2e8f0;
    --ex-text-muted: #8899aa;
    --ex-border: #2d3748;
    --ex-hash-color: #a0aec0;
    --ex-success: #48bb78;
    --ex-success-bg: #1a2e1a;
    --ex-success-border: #2f6b3f;
    --ex-warning: #f6ad55;
    --ex-warning-bg: #2e2a1a;
    --ex-warning-border: #8a6d2b;
    --ex-danger: #fc8181;
    --ex-danger-bg: #2e1a1a;
    --ex-danger-border: #8b3a3a;
    --ex-gray-bg: #1e2533;
    --ex-gray-text: #6b7a8d;
    --ex-header-bg: #151a24;
    --ex-input-bg: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

body {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--ex-text);
    background: var(--ex-bg);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ─── HEADER ─────────────────────────────────── */

.ex-header {
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    background: var(--ex-header-bg);
}

.ex-header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.ex-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ex-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    white-space: nowrap;
    flex-shrink: 0;
    color: var(--ex-text);
}

.ex-logo i {
    font-size: 1.5rem;
}

.ex-logo small {
    font-weight: 500;
    font-size: .875em;
    margin-left: 0.25rem;
    color:#27BFF7;
}

.ex-search {
    flex: 1;
    display: flex;
    max-width: 700px;
    margin-left: auto;
}

.ex-search-input {
    flex: 1;
    border: none;
    border-radius: 6px 0 0 6px;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-family: 'JetBrains Mono', monospace;
    outline: none;
    background: var(--ex-input-bg);
    color: var(--ex-text);
}

.ex-search-input::placeholder {
    font-family: 'Inter', sans-serif;
    color: var(--ex-text-muted);
    font-size: 0.8rem;
}

[data-theme="dark"] .ex-search-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

[data-theme="dark"] .ex-hero,
[data-theme="dark"] .ex-banner {
    background: linear-gradient(135deg, #9bc3ff 0%, #122647 100%);
}

.ex-search-btn {
    border: none;
    background: var(--ex-primary-dark);
    color: #fff;
    padding: 0 1rem;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.2s;
}

.ex-search-btn:hover {
    background: var(--ex-primary-dark);
    filter: brightness(0.85);
}

/* ─── THEME TOGGLE ───────────────────────────── */

.ex-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--ex-border);
    border-radius: 8px;
    background: var(--ex-card-bg);
    color: var(--ex-text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.ex-theme-toggle:hover {
    color: var(--ex-primary);
    border-color: var(--ex-primary);
    background: var(--ex-primary-light);
}

/* ─── BREADCRUMB ─────────────────────────────── */

.ex-breadcrumb {
    background: var(--ex-border);
    border-bottom: 1px solid var(--ex-border);
    padding: 0.5rem 0;
}

.ex-breadcrumb-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
}

.ex-breadcrumb-item {
    display: flex;
    align-items: center;
    color: var(--ex-text-muted);
}

.ex-breadcrumb-item + .ex-breadcrumb-item::before {
    content: '\203A';
    margin-right: 0.25rem;
    color: var(--ex-text-muted);
    opacity: 0.5;
}

.ex-breadcrumb-item a {
    color: var(--ex-primary);
    text-decoration: none;
}

.ex-breadcrumb-item a:hover {
    text-decoration: underline;
}

.ex-breadcrumb-item.active span {
    color: var(--ex-text);
    font-weight: 500;
}

/* ─── MAIN ───────────────────────────────────── */

.ex-main {
    flex: 1;
    padding-bottom: 2rem;
}

/* ─── ENTITY BANNER ──────────────────────────── */

.ex-banner {
    background: linear-gradient(135deg, var(--ex-primary) 0%, var(--ex-primary-dark) 100%);
    color: #fff;
    padding: 1.5rem 0;
    margin-bottom: 1.5rem;
}

.ex-banner-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.ex-banner-title i {
    font-size: 1.75rem;
    opacity: 0.9;
}

.ex-banner-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    opacity: 0.85;
    word-break: break-all;
    line-height: 1.6;
}

/* ─── NAV (Previous / Next) ──────────────────── */

.ex-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
}

.ex-nav a, .ex-nav span {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s;
}

.ex-nav a:hover {
    color: #fff;
}

.ex-nav .disabled {
    opacity: 0.3;
    cursor: default;
}

/* ─── STATUS BANNER ──────────────────────────── */

.ex-status {
    border-radius: 8px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.ex-status i { font-size: 1.5rem; }

.ex-status-ok {
    background: var(--ex-success-bg);
    color: var(--ex-success);
    border: 1px solid var(--ex-success-border);
}

.ex-status-pending {
    background: var(--ex-warning-bg);
    color: var(--ex-warning);
    border: 1px solid var(--ex-warning-border);
}

.ex-status-error {
    background: var(--ex-danger-bg);
    color: var(--ex-danger);
    border: 1px solid var(--ex-danger-border);
}

/* ─── BADGE ROW ──────────────────────────────── */

.ex-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.ex-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

.ex-badge i { font-size: 1rem; }

.ex-badge-ok {
    background: var(--ex-success-bg);
    color: var(--ex-success);
    border: 1px solid var(--ex-success-border);
}

.ex-badge-pending {
    background: var(--ex-warning-bg);
    color: var(--ex-warning);
    border: 1px solid var(--ex-warning-border);
}

.ex-badge-gray {
    background: var(--ex-gray-bg);
    color: var(--ex-gray-text);
    border: 1px solid var(--ex-border);
}

.ex-badge-fail {
    background: var(--ex-danger-bg);
    color: var(--ex-danger);
    border: 1px solid var(--ex-danger-border);
}

.ex-badge-loading {
    background: var(--ex-gray-bg);
    color: var(--ex-gray-text);
    border: 1px solid var(--ex-border);
    animation: badge-pulse 1.5s ease-in-out infinite;
}

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

/* ─── SUMMARY CARDS ──────────────────────────── */

.ex-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ex-summary-card {
    background: var(--ex-gray-bg);
    border: 1px solid var(--ex-border);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
}

.ex-summary-label {
    text-transform: uppercase;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ex-text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.ex-summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ex-text);
}

.ex-summary-sub {
    font-size: 1rem;
    color: var(--ex-text-muted);
    margin-top: 0.25rem;
}

/* ─── VERIFICATION CARDS ─────────────────────── */

.ex-verify-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.875rem;
    margin-bottom: 1.5rem;
}

.ex-verify-card {
    background: var(--ex-card-bg);
    border: 1px solid var(--ex-border);
    border-radius: 10px;
    padding: 1.25rem 1rem;
    text-align: center;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.ex-verify-card:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.ex-verify-card-icon {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    font-size: 2rem;
}

.ex-verify-card-title {
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
    color: var(--ex-text);
}

.ex-verify-card-desc {
    font-size: 0.72rem;
    color: var(--ex-text-muted);
    line-height: 1.45;
}

.ex-verify-card.is-ok {
    border-color: var(--ex-success-border);
}
.ex-verify-card.is-ok .ex-verify-card-icon {
    background: var(--ex-success-bg);
    color: var(--ex-success);
}

.ex-verify-card.is-fail {
    border-color: var(--ex-danger-border);
}
.ex-verify-card.is-fail .ex-verify-card-icon {
    background: var(--ex-danger-bg);
    color: var(--ex-danger);
}

.ex-verify-card.is-pending {
    border-color: var(--ex-warning-border);
}
.ex-verify-card.is-pending .ex-verify-card-icon {
    background: var(--ex-warning-bg);
    color: var(--ex-warning);
}

.ex-verify-card.is-loading {
    border-color: var(--ex-border);
}
.ex-verify-card.is-loading .ex-verify-card-icon {
    background: var(--ex-gray-bg);
    color: var(--ex-gray-text);
    animation: badge-pulse 1.5s ease-in-out infinite;
}

.ex-verify-card.is-gray {
    border-color: var(--ex-border);
}
.ex-verify-card.is-gray .ex-verify-card-icon {
    background: var(--ex-gray-bg);
    color: var(--ex-gray-text);
}
.ex-verify-card.is-gray .ex-verify-card-title {
    color: var(--ex-text-muted);
}

/* ─── SECTIONS ───────────────────────────────── */

.ex-section {
    background: var(--ex-card-bg);
    border: 1px solid var(--ex-border);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.ex-section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--ex-border);
    background: var(--ex-gray-bg);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--ex-text);
    cursor: pointer;
    user-select: none;
}

.ex-section-header i {
    color: var(--ex-primary);
    font-size: 1.1rem;
}

.ex-section-header .ex-toggle {
    margin-left: auto;
    font-size: 1rem;
    transition: transform 0.2s;
    color: var(--ex-text-muted);
}

.ex-section-header.collapsed .ex-toggle {
    transform: rotate(-90deg);
}

.ex-section-body {
    padding: 1rem 1.25rem;
}

/* ─── KEY-VALUE TABLE ────────────────────────── */

.ex-kv {
    width: 100%;
}

.ex-kv tr { border-bottom: 1px solid var(--ex-border); }
.ex-kv tr:last-child { border-bottom: none; }

.ex-kv td {
    padding: 0.625rem 0;
    vertical-align: top;
}

.ex-kv-label {
    color: var(--ex-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    width: 170px;
    padding-right: 1rem;
}

.ex-kv-value {
    font-size: 0.875rem;
    word-break: break-all;
}

/* ─── HASH DISPLAY ───────────────────────────── */

.ex-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--ex-hash-color);
    word-break: break-all;
    display: inline;
}

.ex-hash-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--ex-primary);
    word-break: break-all;
    text-decoration: none;
}

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

.ex-copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: 1px solid var(--ex-border);
    border-radius: 4px;
    background: var(--ex-gray-bg);
    color: var(--ex-text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    margin-left: 0.5rem;
    vertical-align: middle;
    transition: all 0.2s;
}

.ex-copy-btn:hover {
    background: var(--ex-primary-light);
    color: var(--ex-primary);
    border-color: var(--ex-primary);
}

.ex-copy-btn.copied {
    background: var(--ex-success-bg);
    color: var(--ex-success);
    border-color: var(--ex-success);
}

.ex-check-inline {
    color: var(--ex-success);
    font-size: 0.85rem;
    margin-left: 0.5rem;
    font-weight: 500;
}

/* ─── CHAIN VISUALIZATION ────────────────────── */

.ex-chain {
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    padding: 1rem 0;
    justify-content: center;
}

.ex-chain-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 1rem;
    border: 2px solid var(--ex-border);
    border-radius: 8px;
    background: var(--ex-card-bg);
    min-width: 120px;
    text-decoration: none;
    color: var(--ex-text);
    transition: all 0.2s;
    flex-shrink: 0;
}

.ex-chain-block:hover {
    border-color: var(--ex-primary);
    box-shadow: 0 2px 8px rgba(var(--ex-primary-rgb), 0.15);
}

.ex-chain-block.active {
    border-color: var(--ex-primary);
    background: var(--ex-primary-light);
    box-shadow: 0 2px 12px rgba(var(--ex-primary-rgb), 0.25);
    transform: scale(1.05);
}

.ex-chain-id {
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.ex-chain-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--ex-text-muted);
}

.ex-chain-time {
    font-size: 0.65rem;
    color: var(--ex-text-muted);
    margin-top: 0.25rem;
}

.ex-chain-arrow {
    color: var(--ex-primary);
    font-size: 1.25rem;
    padding: 0 0.25rem;
    flex-shrink: 0;
}

.ex-chain-label {
    font-size: 0.7rem;
    color: var(--ex-primary);
    font-weight: 600;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ─── MERKLE TREE ────────────────────────────── */

.ex-merkle-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
}

.ex-merkle-level {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.ex-merkle-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--ex-border);
    border-radius: 6px;
    background: var(--ex-card-bg);
    min-width: 80px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--ex-text-muted);
}

.ex-merkle-node.root {
    border-color: var(--ex-primary);
    background: var(--ex-primary-light);
    color: var(--ex-primary);
    font-weight: 600;
}

.ex-merkle-node.leaf {
    border-color: var(--ex-primary);
    background: var(--ex-primary-light);
    color: var(--ex-primary);
    font-weight: 600;
}

.ex-merkle-node.sibling {
    border-color: var(--ex-border);
    background: var(--ex-gray-bg);
    color: var(--ex-gray-text);
}

.ex-merkle-node.path {
    border-color: var(--ex-primary);
    border-style: dashed;
}

.ex-merkle-node-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.ex-merkle-connector {
    display: flex;
    justify-content: center;
    color: var(--ex-text-muted);
    font-size: 0.8rem;
}

/* ─── MERKLE TREE V2 (visualisation narrative) ── */

.ex-merkle-tree-v2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 520px;
    margin: 0 auto;
    padding: 1rem 0;
}

/* Légende */
.ex-merkle-legend {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
    font-size: 0.78rem;
    color: var(--ex-text-muted);
}

.ex-merkle-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ex-merkle-legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.ex-merkle-legend-dot.dot-yours {
    background: var(--ex-primary);
}

.ex-merkle-legend-dot.dot-sibling {
    background: var(--ex-gray-text);
}

.ex-merkle-legend-dot.dot-root {
    background: var(--ex-success);
}

/* Racine verte */
.ex-merkle-root {
    width: 100%;
    background: var(--ex-success-bg);
    border: 2px solid var(--ex-success-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    text-align: center;
    animation: merkle-fade-up 0.5s ease both;
}

.ex-merkle-root-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ex-success);
    margin-bottom: 0.5rem;
}

.ex-merkle-root-header i {
    font-size: 1.1rem;
}

.ex-merkle-root-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--ex-hash-color);
    word-break: break-all;
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.ex-merkle-root-status {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--ex-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.ex-merkle-root-status i {
    font-size: 1rem;
}

.ex-merkle-root-status.is-valid {
    color: var(--ex-success);
    font-weight: 600;
}

.ex-merkle-root-status.is-invalid {
    color: var(--ex-danger);
    font-weight: 600;
}

/* Tronc (ligne pointillée) */
.ex-merkle-trunk {
    display: flex;
    justify-content: center;
    line-height: 0;
}

/* Carte d'étape */
.ex-merkle-step {
    width: 100%;
    background: var(--ex-card-bg);
    border: 1px solid var(--ex-border);
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
    animation: merkle-fade-up 0.5s ease both;
}

.ex-merkle-step:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.ex-merkle-step-header {
    background: var(--ex-gray-bg);
    border-bottom: 1px solid var(--ex-border);
    padding: 0.625rem 1rem;
}

.ex-merkle-step-badge {
    display: inline-block;
    background: var(--ex-primary);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.35rem;
}

.ex-merkle-step-formula {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--ex-text-muted);
    line-height: 1.5;
    word-break: break-all;
}

.ex-merkle-step-formula .formula-fn {
    color: var(--ex-text-muted);
    opacity: 0.7;
}

.ex-merkle-step-formula .formula-sep {
    color: var(--ex-text-muted);
    opacity: 0.5;
}

.ex-merkle-step-formula .formula-yours {
    color: var(--ex-primary);
    font-weight: 600;
}

.ex-merkle-step-formula .formula-sibling {
    color: var(--ex-text-muted);
}

.ex-merkle-step-body {
    padding: 1rem;
}

/* Paire de nœuds */
.ex-merkle-pair {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.ex-merkle-node-v2 {
    flex: 1;
    max-width: 200px;
    padding: 0.75rem;
    border: 2px solid var(--ex-border);
    border-radius: 8px;
    background: var(--ex-card-bg);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.ex-merkle-node-v2:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.ex-merkle-node-v2.is-yours {
    border-color: var(--ex-primary);
    background: rgba(var(--ex-primary-rgb), 0.04);
}

.ex-merkle-node-v2.is-sibling {
    border-color: var(--ex-border);
    background: var(--ex-gray-bg);
}

.ex-merkle-node-v2-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
}

.ex-merkle-node-v2.is-yours .ex-merkle-node-v2-label {
    color: var(--ex-primary);
}

.ex-merkle-node-v2.is-sibling .ex-merkle-node-v2-label {
    color: var(--ex-gray-text);
}

.ex-merkle-node-v2-label i {
    font-size: 0.85rem;
}

.ex-merkle-node-v2-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--ex-hash-color);
    word-break: break-all;
    line-height: 1.4;
}

/* Opérateur + */
.ex-merkle-op {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ex-primary);
    opacity: 0.6;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

/* Lignes de convergence SVG */
.ex-merkle-merge-lines {
    display: flex;
    justify-content: center;
    margin: 0.25rem 0;
    line-height: 0;
}

.ex-merkle-merge-lines svg {
    width: 80%;
    max-width: 300px;
}

/* Résultat calculé */
.ex-merkle-result {
    background: rgba(var(--ex-primary-rgb), 0.06);
    border: 1px solid rgba(var(--ex-primary-rgb), 0.15);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    text-align: center;
    font-size: 0.78rem;
    color: var(--ex-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.ex-merkle-result i {
    font-size: 0.9rem;
}

.ex-merkle-result.is-computed {
    color: var(--ex-text);
}

.ex-merkle-result-label {
    font-weight: 600;
    color: var(--ex-primary);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ex-merkle-result-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--ex-hash-color);
}

/* Feuille bleue (point de départ) */
.ex-merkle-leaf-v2 {
    width: 100%;
    background: var(--ex-primary-light);
    border: 2px solid var(--ex-primary);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    text-align: center;
    box-shadow: 0 0 20px rgba(var(--ex-primary-rgb), 0.12);
    animation: merkle-fade-up 0.5s ease both;
}

.ex-merkle-leaf-v2-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ex-primary);
    margin-bottom: 0.2rem;
}

.ex-merkle-leaf-v2-header i {
    font-size: 1.1rem;
}

.ex-merkle-leaf-v2-sub {
    font-size: 0.72rem;
    color: var(--ex-primary-dark);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.ex-merkle-leaf-v2-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--ex-hash-color);
    word-break: break-all;
    line-height: 1.5;
}

/* Animation d'apparition */
@keyframes merkle-fade-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .ex-merkle-tree-v2 {
        max-width: 100%;
    }

    .ex-merkle-pair {
        flex-direction: column;
        gap: 0.5rem;
    }

    .ex-merkle-node-v2 {
        max-width: 100%;
        width: 100%;
    }

    .ex-merkle-op {
        transform: rotate(90deg);
    }

    .ex-merkle-merge-lines {
        display: none;
    }

    .ex-merkle-legend {
        gap: 0.75rem;
        font-size: 0.72rem;
    }

    .ex-merkle-step-formula {
        font-size: 0.65rem;
    }

    .ex-merkle-root-hash,
    .ex-merkle-leaf-v2-hash {
        font-size: 0.65rem;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .ex-merkle-node-v2 {
        max-width: 180px;
    }
}

/* ─── TABLE ──────────────────────────────────── */

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

.ex-table thead th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--ex-text-muted);
    font-weight: 600;
    padding: 0.75rem;
    border-bottom: 2px solid var(--ex-border);
    text-align: left;
}

.ex-table tbody td {
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--ex-border);
    font-size: 0.85rem;
    vertical-align: middle;
}

.ex-table tbody tr:hover {
    background: var(--ex-gray-bg);
}

.ex-table .hash-cell {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--ex-primary);
}

/* ─── HOME PAGE ──────────────────────────────── */

.ex-hero {
    background: linear-gradient(135deg, var(--ex-primary) 0%, var(--ex-primary-dark) 100%);
    color: #fff;
    padding: 3rem 0;
    text-align: center;
}

.ex-hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.ex-hero-title i { font-size: 2.25rem; }

.ex-hero-sub {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: 1.5rem;
}

.ex-hero .ex-search {
    max-width: 650px;
    margin: 0 auto;
}

.ex-how {
    padding: 2.5rem 0;
}

.ex-how-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--ex-text);
}

.ex-how-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.ex-how-step {
    text-align: center;
    padding: 1.5rem 1rem;
}

.ex-how-step-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--ex-primary-light);
    color: var(--ex-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.ex-how-step-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.ex-how-step-desc {
    font-size: 0.8rem;
    color: var(--ex-text-muted);
    line-height: 1.5;
}

.ex-how-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ex-primary);
    font-size: 1.5rem;
}

/* ─── WORM SIGNATURE ─────────────────────────── */

.ex-signature {
    font-size: 0.75rem;
    line-height: 1.6;
    display: inline;
    word-break: break-all;
}

/* ─── EXPLORE BUTTONS ────────────────────────── */

.ex-explore-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.ex-explore-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    background: var(--ex-card-bg);
    border: 1px solid var(--ex-border);
    color: var(--ex-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.ex-explore-btn:hover {
    background: var(--ex-primary);
    color: #fff;
    border-color: var(--ex-primary);
    box-shadow: 0 2px 8px rgba(var(--ex-primary-rgb), 0.3);
}

.ex-explore-btn i {
    font-size: 1.1rem;
}

.ex-explore-btn--disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ─── PAGINATION ─────────────────────────────── */

.ex-pagination {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    padding: 1rem 0;
}

.ex-pagination a, .ex-pagination span {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--ex-border);
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--ex-text);
    transition: all 0.2s;
}

.ex-pagination a:hover {
    background: var(--ex-primary-light);
    border-color: var(--ex-primary);
    color: var(--ex-primary);
}

.ex-pagination .active {
    background: var(--ex-primary);
    border-color: var(--ex-primary);
    color: #fff;
}

/* ─── LOADING ────────────────────────────────── */

.ex-loading {
    text-align: center;
    padding: 3rem;
    color: var(--ex-text-muted);
}

.ex-loading .spinner-border {
    color: var(--ex-primary);
}

/* ─── FOOTER ─────────────────────────────────── */

.ex-footer {
    background: var(--ex-card-bg);
    border-top: 1px solid var(--ex-border);
    padding: 1.25rem 0;
    margin-top: auto;
}

.ex-footer p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--ex-text-muted);
}

/* ─── NOT FOUND ──────────────────────────────── */

.ex-not-found {
    text-align: center;
    padding: 4rem 1rem;
}

.ex-not-found i {
    font-size: 3rem;
    color: var(--ex-text-muted);
    margin-bottom: 1rem;
}

.ex-not-found h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.ex-not-found p {
    color: var(--ex-text-muted);
    font-size: 0.9rem;
}

/* ─── DASHBOARD STATS ────────────────────────── */

.ex-summary--6 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.ex-chart-container {
    position: relative;
    height: 320px;
    width: 100%;
}

/* ─── INTEGRITY ──────────────────────────────── */

.ex-verify-cards--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ─── FULL MERKLE TREE ───────────────────────── */

.ex-full-tree {
    overflow-x: auto;
    padding: 1rem 0;
}

.ex-ft-level {
    display: flex;
    justify-content: space-around;
    flex-wrap: nowrap;
    width: 100%;
}

.ex-ft-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.35rem 0.5rem;
    border: 2px solid var(--ex-border);
    border-radius: 6px;
    background: var(--ex-card-bg);
    width: 60px;
    min-width: 60px;
    max-width: 60px;
    cursor: default;
    transition: all 0.2s;
}

.ex-ft-node:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.ex-ft-root {
    border-color: var(--ex-success-border);
    background: var(--ex-success-bg);
}

.ex-ft-root .ex-ft-label {
    color: var(--ex-success);
}

.ex-ft-root .ex-ft-hash {
    color: var(--ex-success);
}

.ex-ft-leaf {
    border-color: var(--ex-primary);
    background: var(--ex-primary-light);
}

.ex-ft-leaf .ex-ft-label {
    color: var(--ex-primary);
}

.ex-ft-leaf .ex-ft-hash {
    color: var(--ex-primary);
}

.ex-ft-internal {
    border-color: var(--ex-border);
    background: var(--ex-gray-bg);
}

.ex-ft-internal .ex-ft-hash {
    color: var(--ex-gray-text);
}

.ex-ft-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.15rem;
    white-space: nowrap;
}

.ex-ft-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--ex-hash-color);
    white-space: nowrap;
}

.ex-ft-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    justify-content: center;
}

.ex-ft-link:hover .ex-ft-node {
    border-color: var(--ex-primary);
    box-shadow: 0 2px 8px rgba(var(--ex-primary-rgb), 0.2);
}

.ex-ft-connectors {
    width: 100%;
    line-height: 0;
}

.ex-ft-connectors svg {
    display: block;
    width: 100%;
}

/* ─── RESPONSIVE ─────────────────────────────── */

@media (max-width: 768px) {
    .ex-header-inner {
        flex-direction: column;
        gap: 0.75rem;
    }

    .ex-search {
        max-width: 100%;
        width: 100%;
    }

    .ex-banner-title {
        font-size: 1.15rem;
    }

    .ex-banner-hash {
        font-size: 0.7rem;
    }

    .ex-summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .ex-verify-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .ex-verify-cards--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .ex-summary--6 {
        grid-template-columns: repeat(2, 1fr);
    }

    .ex-chart-container {
        height: 240px;
    }

    .ex-kv-label {
        width: auto;
        display: block;
        padding-bottom: 0;
    }

    .ex-kv td {
        display: block;
        padding: 0.25rem 0;
    }

    .ex-kv tr {
        display: block;
        padding: 0.5rem 0;
    }

    .ex-chain {
        justify-content: flex-start;
    }

    .ex-chain-block {
        min-width: 90px;
    }

    .ex-hero-title {
        font-size: 1.5rem;
    }

    .ex-how-steps {
        grid-template-columns: 1fr;
    }

    .ex-how-arrow {
        transform: rotate(90deg);
    }
}


.ex-tree-scroll{
    overflow:auto;
    border:1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.03);
    border-radius: 14px;
    padding: 10px;
}

.ex-merkle-svg{
    display:block;
    margin: auto;
}

.ex-merkle-edge{
    fill: none;
    stroke: var(--ex-text-muted);
    stroke-width: 1.5;
    opacity: 0.35;
}

.ex-merkle-node .ex-merkle-rect{
    stroke: rgba(255,255,255,0.10);
    stroke-width: 1;
}

.ex-merkle-node.is-root .ex-merkle-rect{
    fill: rgba(34,197,94,0.12);
    stroke: rgba(34,197,94,0.35);
}

.ex-merkle-node.is-leaf .ex-merkle-rect{
    fill: rgba(59,130,246,0.12);
    stroke: rgba(59,130,246,0.35);
}

.ex-merkle-node.is-internal .ex-merkle-rect{
    fill: rgba(148,163,184,0.10);
    stroke: rgba(148,163,184,0.22);
}

.ex-merkle-label{
    font-size: 12px;
    font-weight: 700;
    fill: var(--ex-text);
    opacity: 0.95;
}

.ex-merkle-hash{
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    fill: var(--ex-text-muted);
}

.ex-merkle-a{
    cursor: pointer;
    text-decoration: none;
}

.ex-merkle-a:hover .ex-merkle-rect{
    stroke-width: 1.8;
    opacity: 1;
}

.ex-merkle-legend{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    justify-content:center;
}

.ex-merkle-legend-item{
    display:flex;
    align-items:center;
    gap:8px;
    color: var(--ex-text-muted);
    font-size: 0.86rem;
}

.ex-merkle-legend-dot{
    width:10px;height:10px;border-radius:999px;display:inline-block;
}
.ex-merkle-legend-dot.dot-root{ background: rgba(34,197,94,0.7); }
.ex-merkle-legend-dot.dot-yours{ background: rgba(59,130,246,0.7); }
.ex-merkle-legend-dot.dot-sibling{ background: rgba(148,163,184,0.65); }

/* ─── TIMELINE CONTROLS ─────────────────────── */

.ex-timeline-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.ex-timeline-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--ex-border);
    background: var(--ex-card-bg);
    color: var(--ex-text);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ex-timeline-btn:hover {
    border-color: var(--ex-primary);
    color: var(--ex-primary);
    background: var(--ex-primary-light);
}

.ex-timeline-btn.active {
    background: var(--ex-primary);
    color: #fff;
    border-color: var(--ex-primary);
}

.ex-timeline-select {
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--ex-border);
    background: var(--ex-card-bg);
    color: var(--ex-text);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

.ex-timeline-select:focus {
    border-color: var(--ex-primary);
}

.ex-timeline-drilldown {
    margin-top: 1.5rem;
}

.ex-timeline-drilldown-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ex-text);
}

.ex-timeline-drilldown-header i {
    color: var(--ex-primary);
}

/* ─── EXPORT BUTTONS ────────────────────────── */

.ex-export-btns {
    display: inline-flex;
    gap: 0.5rem;
    margin-left: auto;
}

.ex-export-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ex-export-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.ex-export-btn i {
    font-size: 1rem;
}

/* ─── EXPORT FORM ───────────────────────────── */

.ex-export-form {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1.5rem;
}

.ex-export-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.ex-export-field label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ex-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ex-export-field input,
.ex-export-field select {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--ex-border);
    background: var(--ex-card-bg);
    color: var(--ex-text);
    font-size: 0.85rem;
    outline: none;
}

.ex-export-field input:focus,
.ex-export-field select:focus {
    border-color: var(--ex-primary);
}

.ex-export-actions {
    display: flex;
    gap: 0.5rem;
}

.ex-export-actions button {
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    border: 1px solid var(--ex-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ex-export-actions .ex-btn-preview {
    background: var(--ex-card-bg);
    color: var(--ex-primary);
}

.ex-export-actions .ex-btn-preview:hover {
    background: var(--ex-primary-light);
}

.ex-export-actions .ex-btn-export {
    background: var(--ex-primary);
    color: #fff;
    border-color: var(--ex-primary);
}

.ex-export-actions .ex-btn-export:hover {
    background: var(--ex-primary-dark);
}

.ex-export-preview {
    background: var(--ex-gray-bg);
    border: 1px solid var(--ex-border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

/* ─── PROVIDER STATUS BADGE ─────────────────── */

.ex-provider-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.ex-provider-status.is-active {
    background: var(--ex-success-bg);
    color: var(--ex-success);
    border: 1px solid var(--ex-success-border);
}

.ex-provider-status.is-inactive {
    background: var(--ex-gray-bg);
    color: var(--ex-gray-text);
    border: 1px solid var(--ex-border);
}