/* JA4 Fingerprint Directory — CSP compliant, no inline styles. */

:root {
    --ja4-primary: #7c5cff;
    --ja4-primary-dark: #5b3fd6;
    --ja4-primary-light: #b9a8ff;
    --ja4-accent: #00e5b0;
    --ja4-browser: #34d399;
    --ja4-api: #60a5fa;
    --ja4-scanner: #f87171;
    --ja4-bg: #0b0a12;
    --ja4-card: #14121d;
    --ja4-text: #ffffff;
    --ja4-text-dim: #9a9aad;
    --ja4-muted: #6b6b80;
    --ja4-border: #292539;
    --ja4-code-bg: #191527;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--ja4-bg);
    color: var(--ja4-text);
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
}

code, .ja4-hash, .ja4-row-hash, .ja4-part-value, .ja4-kind {
    font-family: 'SFMono-Regular', ui-monospace, Menlo, Consolas, 'Liberation Mono', monospace;
}

/* ── Header ─────────────────────────────────────────────────────────── */

.ja4-header {
    position: relative;
    z-index: 2;
    border-bottom: 1px solid var(--ja4-border);
    background: rgba(11, 10, 18, 0.85);
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1.75rem 1.25rem;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.logo-link { display: block; flex-shrink: 0; }

.logo-image {
    width: 62px;
    height: 62px;
    border-radius: 12px;
    display: block;
}

.page-title {
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--ja4-primary-light), var(--ja4-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.page-subtitle {
    color: var(--ja4-text-dim);
    font-size: 0.98rem;
    margin-top: 0.2rem;
}

/* ── Layout ─────────────────────────────────────────────────────────── */

.ja4-main {
    position: relative;
    z-index: 2;
    max-width: 1240px;
    margin: 0 auto;
    padding: 2.25rem 1.25rem 3rem;
}

/* ── Stats ──────────────────────────────────────────────────────────── */

.ja4-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.9rem;
    margin-bottom: 1.75rem;
}

.ja4-stat {
    background: var(--ja4-card);
    border: 1px solid var(--ja4-border);
    border-radius: 12px;
    padding: 1.1rem 1.25rem;
    text-align: center;
}

.ja4-stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--ja4-accent);
    line-height: 1.1;
}

.ja4-stat-label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ja4-text-dim);
    margin-top: 0.2rem;
}

/* ── Controls ───────────────────────────────────────────────────────── */

.ja4-controls {
    margin-bottom: 1.25rem;
}

.ja4-search-label {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ja4-text-dim);
    margin-bottom: 0.4rem;
}

.ja4-search {
    width: 100%;
    padding: 0.7rem 0.95rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--ja4-text);
    background: var(--ja4-card);
    border: 1px solid var(--ja4-border);
    border-radius: 9px;
}

.ja4-search:focus {
    outline: none;
    border-color: var(--ja4-primary);
}

.ja4-search::placeholder {
    color: var(--ja4-muted);
}

.ja4-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.85rem;
}

.ja4-filter {
    padding: 0.4rem 0.9rem;
    font-family: inherit;
    font-size: 0.85rem;
    color: var(--ja4-text-dim);
    background: var(--ja4-card);
    border: 1px solid var(--ja4-border);
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.ja4-filter:hover,
.ja4-filter:focus-visible {
    color: var(--ja4-text);
    border-color: var(--ja4-primary-dark);
    outline: none;
}

.ja4-filter-active {
    color: var(--ja4-bg);
    background: var(--ja4-primary-light);
    border-color: var(--ja4-primary-light);
    font-weight: 600;
}

.ja4-count {
    margin-top: 0.7rem;
    font-size: 0.83rem;
    color: var(--ja4-muted);
}

/* ── Table ──────────────────────────────────────────────────────────── */

.ja4-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--ja4-border);
    border-radius: 12px;
    background: var(--ja4-card);
    margin-bottom: 2.5rem;
}

.ja4-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    min-width: 700px;
}

.ja4-table th {
    text-align: left;
    padding: 0.8rem 1rem;
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ja4-text-dim);
    border-bottom: 1px solid var(--ja4-border);
    position: sticky;
    top: 0;
    background: var(--ja4-card);
}

.ja4-table td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid rgba(41, 37, 57, 0.55);
    vertical-align: top;
}

.ja4-table tr:last-child td {
    border-bottom: none;
}

.ja4-row:hover {
    background: rgba(124, 92, 255, 0.06);
}

.ja4-row-hash {
    color: var(--ja4-accent);
    text-decoration: none;
    word-break: break-all;
}

.ja4-row-hash:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.ja4-row-desc {
    color: var(--ja4-text-dim);
}

.ja4-kind {
    font-size: 0.72rem;
    color: var(--ja4-muted);
    letter-spacing: 0.06em;
}

.ja4-hidden {
    display: none;
}

/* ── Tags ───────────────────────────────────────────────────────────── */

.ja4-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    border: 1px solid currentColor;
    white-space: nowrap;
}

.ja4-tag-browser    { color: var(--ja4-browser); }
.ja4-tag-api_client { color: var(--ja4-api); }
.ja4-tag-scanner    { color: var(--ja4-scanner); }

/* ── Detail view ────────────────────────────────────────────────────── */

.ja4-crumb {
    margin-bottom: 1.1rem;
    font-size: 0.88rem;
}

.ja4-crumb a,
.ja4-prose a,
.ja4-note a,
.ja4-family a,
.ja4-footer a {
    color: var(--ja4-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.ja4-crumb a:hover,
.ja4-prose a:hover,
.ja4-note a:hover,
.ja4-family a:hover,
.ja4-footer a:hover {
    color: var(--ja4-accent);
}

.ja4-detail {
    background: var(--ja4-card);
    border: 1px solid var(--ja4-border);
    border-radius: 14px;
    padding: 1.75rem;
    margin-bottom: 2rem;
}

.ja4-hash {
    font-size: clamp(1.05rem, 3vw, 1.6rem);
    font-weight: 700;
    color: var(--ja4-accent);
    margin: 0.7rem 0 0.4rem;
    word-break: break-all;
}

.ja4-desc {
    color: var(--ja4-text-dim);
    margin-bottom: 1.5rem;
}

.ja4-sub {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--ja4-primary-light);
    margin: 1.6rem 0 0.85rem;
}

.ja4-parts {
    display: grid;
    gap: 0.6rem;
    margin-bottom: 1.4rem;
}

.ja4-part {
    display: grid;
    grid-template-columns: 5rem minmax(0, auto) 1fr;
    gap: 0.85rem;
    align-items: baseline;
    padding: 0.6rem 0.85rem;
    background: var(--ja4-code-bg);
    border: 1px solid var(--ja4-border);
    border-radius: 8px;
}

.ja4-part-label {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--ja4-muted);
    text-transform: uppercase;
}

.ja4-part-value {
    color: var(--ja4-accent);
    font-size: 0.9rem;
    word-break: break-all;
}

.ja4-part-note {
    font-size: 0.82rem;
    color: var(--ja4-text-dim);
}

.ja4-dl {
    display: grid;
    grid-template-columns: minmax(9rem, auto) 1fr;
    gap: 0.45rem 1.2rem;
    font-size: 0.9rem;
}

.ja4-dl dt {
    color: var(--ja4-text-dim);
}

.ja4-dl dd {
    color: var(--ja4-text);
}

.ja4-absent {
    color: var(--ja4-muted);
    font-style: italic;
}

.ja4-family {
    list-style: none;
    display: grid;
    gap: 0.3rem;
    font-size: 0.87rem;
}

.ja4-family a {
    word-break: break-all;
}

/* ── Prose ──────────────────────────────────────────────────────────── */

.ja4-prose {
    max-width: 74ch;
    color: var(--ja4-text-dim);
}

.ja4-prose h2 {
    color: var(--ja4-text);
    font-size: 1.35rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
}

.ja4-prose h2:first-child {
    margin-top: 0;
}

.ja4-prose p,
.ja4-note {
    margin-bottom: 0.95rem;
}

.ja4-prose strong {
    color: var(--ja4-text);
}

.ja4-prose em {
    color: var(--ja4-primary-light);
    font-style: normal;
}

.ja4-note {
    font-size: 0.88rem;
    color: var(--ja4-text-dim);
}

.ja4-empty {
    background: var(--ja4-card);
    border: 1px solid var(--ja4-border);
    border-radius: 14px;
    padding: 2rem;
    text-align: center;
    color: var(--ja4-text-dim);
}

.ja4-empty h2 {
    color: var(--ja4-text);
    margin-bottom: 0.5rem;
}

/* ── Footer ─────────────────────────────────────────────────────────── */

.ja4-footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--ja4-border);
    padding: 1.5rem 1.25rem 2.5rem;
    text-align: center;
    color: var(--ja4-text-dim);
    font-size: 0.87rem;
}

/* ── Responsive ─────────────────────────────────────────────────────── */

@media (max-width: 720px) {
    .ja4-part {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }

    .ja4-dl {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }

    .ja4-dl dt {
        margin-top: 0.5rem;
    }

    .ja4-detail {
        padding: 1.2rem;
    }
}