/* PQ Crypta — Benchmark Analysis Article Stylesheet
   Theme: deep navy · benchmark cyan #00d4ff · fast green #3ad29f · slow amber #ff9e3d · SLH violet #a78bfa
   Strict CSP: no inline styles anywhere — every visual is a class here.
   SVG charts use presentation attributes + SMIL <animate> (CSP-safe: no JS, no style="").
*/

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

:root {
    --accent:      #00d4ff;
    --accent-dim:  rgba(0,212,255,0.18);
    --accent-glow: 0 0 20px rgba(0,212,255,0.30);
    --fast:        #3ad29f;
    --fast-dim:    rgba(58,210,159,0.16);
    --mid:         #ffd23f;
    --slow:        #ff9e3d;
    --slow-dim:    rgba(255,158,61,0.16);
    --slh:         #a78bfa;
    --slh-dim:     rgba(167,139,250,0.16);
    --warn:        #ff6b6b;
    --bg:          #030810;
    --surface:     rgba(8,16,30,0.88);
    --surface-alt: rgba(0,212,255,0.05);
    --border:      rgba(0,212,255,0.18);
    --text:        #d8e8f8;
    --text-dim:    #7890a8;
    --heading:     #e8f4ff;
    --mono: 'SFMono-Regular', ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: radial-gradient(ellipse at 50% 20%, rgba(0,40,80,0.55) 0%, rgba(3,8,16,0.97) 65%, #030810 100%);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    min-height: 100vh;
}

/* ── Site header ── */
.ba-site-header {
    position: relative; z-index: 50;
    background: linear-gradient(180deg, rgba(3,8,16,0.94) 0%, rgba(8,15,30,0.88) 100%);
    border-bottom: 1px solid var(--border);
}
.ba-site-header-inner { max-width: 1180px; margin: 0 auto; padding: 28px 2rem 22px; }
.ba-site-header-top { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.ba-logo-link { flex-shrink: 0; display: block; text-decoration: none; }
.ba-logo-img { height: 52px; width: auto; border-radius: 8px; display: block; }
.ba-header-text { flex: 1; min-width: 200px; }
.ba-page-title {
    font-size: clamp(1.35rem, 3.5vw, 2rem); font-weight: 800;
    color: var(--accent); text-shadow: var(--accent-glow);
    letter-spacing: -0.02em; line-height: 1.2;
}
.ba-page-subtitle { font-size: 0.92rem; color: var(--text-dim); margin-top: 6px; max-width: 66ch; }
.ba-header-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.ba-meta-badge {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
    padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border);
    color: var(--accent); background: var(--accent-dim);
}
.ba-meta-badge-fast { color: var(--fast); border-color: rgba(58,210,159,0.4); background: var(--fast-dim); }
.ba-meta-badge-slh  { color: var(--slh);  border-color: rgba(167,139,250,0.4); background: var(--slh-dim); }
.ba-meta-author { font-size: 0.78rem; color: var(--text-dim); margin-left: auto; }

/* ── Background canvas (fixed, behind content) ── */
.ba-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; display: block; }

/* ── Custom cursor + trail ── */
.ba-cursor-active { cursor: none; }
.ba-cursor-active a, .ba-cursor-active button { cursor: none; }
#ba-cursor-dot {
    position: fixed; top: 0; left: 0; width: 14px; height: 14px; z-index: 9999;
    pointer-events: none; border-radius: 50%; background: var(--accent);
    box-shadow: 0 0 12px var(--accent), 0 0 4px #fff; will-change: transform;
}
#ba-cursor-ring {
    position: fixed; top: 0; left: 0; width: 32px; height: 32px; z-index: 9998;
    pointer-events: none; border-radius: 50%;
    border: 1.5px solid rgba(0,212,255,0.55); border-top-color: var(--slh);
    will-change: transform;
}
.ba-trail-wrap { position: fixed; inset: 0; z-index: 9997; pointer-events: none; }
.ba-trail-label {
    position: fixed; transform: translate(-50%, -50%);
    font-family: var(--mono); font-size: 10px; font-weight: 600;
    white-space: nowrap; pointer-events: none; will-change: top, opacity, transform;
}

/* ── Layout ── */
.ba-wrap { max-width: 900px; margin: 0 auto; padding: 0 2rem 5rem; position: relative; z-index: 10; }
.ba-header { padding: 44px 0 8px; }
.ba-lede { font-size: 1.12rem; color: var(--text); line-height: 1.8; }
.ba-lede em { color: var(--accent); font-style: italic; }

.ba-findings {
    margin: 28px 0 8px; padding: 22px 26px;
    background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent);
    border-radius: 10px;
}
.ba-findings-label {
    display: block; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 12px;
}
.ba-findings ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ba-findings li { padding-left: 22px; position: relative; font-size: 0.96rem; }
.ba-findings li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.ba-findings em { color: var(--heading); font-style: normal; font-weight: 700; }

/* ── Article sections ── */
.ba-article { margin-top: 20px; }
.ba-section { margin: 40px 0; padding-top: 8px; }
.ba-section.highlight {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 14px; padding: 30px 32px; margin: 44px 0;
}
.ba-eyebrow {
    display: inline-block; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 8px;
}
.ba-h2 {
    font-size: clamp(1.3rem, 3vw, 1.75rem); font-weight: 800; color: var(--heading);
    letter-spacing: -0.01em; line-height: 1.25; margin-bottom: 14px;
}
.ba-h3 { font-size: 1.12rem; font-weight: 700; color: var(--accent); margin: 26px 0 10px; }
.ba-section p { margin-bottom: 14px; }
.ba-section p strong { color: var(--heading); }
.ba-em-ok   { color: var(--fast); font-style: italic; }
.ba-em-slow { color: var(--slow); font-style: italic; }
.ba-em-slh  { color: var(--slh);  font-style: italic; }
code {
    font-family: var(--mono); font-size: 0.85em;
    background: rgba(0,212,255,0.09); border: 1px solid var(--border);
    padding: 1px 6px; border-radius: 4px; color: var(--accent);
}

/* ── Callout ── */
.ba-callout {
    margin: 22px 0; padding: 18px 22px; border-radius: 10px;
    background: var(--slh-dim); border: 1px solid rgba(167,139,250,0.4); border-left: 3px solid var(--slh);
}
.ba-callout-fast { background: var(--fast-dim); border-color: rgba(58,210,159,0.4); border-left-color: var(--fast); }
.ba-callout-slow { background: var(--slow-dim); border-color: rgba(255,158,61,0.4); border-left-color: var(--slow); }
.ba-callout-label { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slh); margin-bottom: 6px; display: block; }
.ba-callout-fast .ba-callout-label { color: var(--fast); }
.ba-callout-slow .ba-callout-label { color: var(--slow); }

/* ── Charts ── */
.ba-figure { margin: 26px 0; }
.ba-chart { width: 100%; height: auto; display: block; overflow: visible; }
.ba-fig-caption { font-size: 0.8rem; color: var(--text-dim); margin-top: 10px; text-align: center; }
.ba-chart-scroll { overflow-x: auto; }

.ba-fill-track { fill: rgba(255,255,255,0.05); }
.ba-fill-fast  { fill: var(--fast); }
.ba-fill-mid   { fill: var(--mid); }
.ba-fill-slow  { fill: var(--slow); }
.ba-fill-slh   { fill: var(--slh); }
.ba-fill-accent{ fill: var(--accent); }
.ba-fill-kg    { fill: #38bdf8; }
.ba-fill-enc   { fill: var(--slow); }
.ba-fill-dec   { fill: var(--slh); }
.ba-tx-dim { fill: var(--text-dim); font-family: 'Segoe UI', system-ui, sans-serif; }
.ba-tx-num { fill: var(--text); font-family: var(--mono); font-weight: 600; }
.ba-tx-lbl { fill: var(--heading); font-family: 'Segoe UI', system-ui, sans-serif; font-weight: 600; }
.ba-grid   { stroke: rgba(255,255,255,0.07); stroke-width: 1; }
.ba-axis   { stroke: var(--border); stroke-width: 1; }

/* legend */
.ba-legend { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; margin-top: 12px; }
.ba-legend-item { display: flex; align-items: center; gap: 7px; font-size: 0.78rem; color: var(--text-dim); }
.ba-legend-swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.ba-swatch-kg  { background: #38bdf8; }
.ba-swatch-enc { background: var(--slow); }
.ba-swatch-dec { background: var(--slh); }

/* ── Data table ── */
.ba-table-wrap { overflow-x: auto; margin: 22px 0; border: 1px solid var(--border); border-radius: 10px; }
.ba-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; min-width: 640px; }
.ba-table thead th {
    background: rgba(0,212,255,0.08); color: var(--accent);
    font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase;
    text-align: right; padding: 11px 14px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.ba-table thead th:first-child { text-align: left; }
.ba-table tbody td { padding: 9px 14px; text-align: right; border-bottom: 1px solid rgba(255,255,255,0.05); font-family: var(--mono); }
.ba-table tbody td:first-child { text-align: left; font-family: 'Segoe UI', system-ui, sans-serif; color: var(--heading); }
.ba-table tbody tr:hover { background: rgba(0,212,255,0.04); }
.ba-row-group td {
    background: rgba(0,212,255,0.05); color: var(--accent);
    font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700;
    text-align: left; padding: 7px 14px; font-family: 'Segoe UI', system-ui, sans-serif;
}
.ba-cell-fast { color: var(--fast); }
.ba-cell-slow { color: var(--slow); }
.ba-cell-slh  { color: var(--slh); }
.ba-cell-mute { color: var(--text-dim); }

/* ── Stat tiles ── */
.ba-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 24px 0; }
.ba-stat { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; text-align: center; }
.ba-stat-value { font-size: 1.7rem; font-weight: 800; color: var(--accent); font-family: var(--mono); line-height: 1.1; }
.ba-stat-value.fast { color: var(--fast); }
.ba-stat-value.slow { color: var(--slow); }
.ba-stat-value.slh  { color: var(--slh); }
.ba-stat-label { font-size: 0.74rem; color: var(--text-dim); margin-top: 6px; letter-spacing: 0.03em; }

/* ── Per-algorithm cards ── */
.ba-algo-grid { display: flex; flex-direction: column; gap: 16px; margin: 22px 0; }
.ba-algo-card { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 10px; padding: 18px 22px; }
.ba-algo-card.fast { border-left-color: var(--fast); }
.ba-algo-card.slow { border-left-color: var(--slow); }
.ba-algo-card.slh  { border-left-color: var(--slh); }
.ba-algo-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.ba-algo-name { font-size: 1rem; font-weight: 700; color: var(--heading); }
.ba-algo-metric { font-family: var(--mono); font-weight: 700; color: var(--accent); font-size: 0.9rem; }
.ba-algo-metric.fast { color: var(--fast); }
.ba-algo-metric.slow { color: var(--slow); }
.ba-algo-body { font-size: 0.9rem; color: var(--text); }
.ba-algo-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ba-tag { font-size: 0.68rem; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); }
.ba-tag-nist { color: var(--fast); border-color: rgba(58,210,159,0.4); }
.ba-tag-slh  { color: var(--slh);  border-color: rgba(167,139,250,0.4); }
.ba-tag-slow { color: var(--slow); border-color: rgba(255,158,61,0.4); }

/* ── Footnote / disclosure ── */
.ba-note {
    margin: 30px 0; padding: 16px 20px; font-size: 0.84rem; color: var(--text-dim);
    background: var(--surface-alt); border: 1px dashed var(--border); border-radius: 10px;
}
.ba-note strong { color: var(--text); }

/* ── Footer ── */
.ba-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); text-align: center; font-size: 0.82rem; color: var(--text-dim); }
.ba-footer a { color: var(--accent); text-decoration: none; }
.ba-footer a:hover { text-decoration: underline; }

/* ── TOC ── */
.ba-toc { margin: 24px 0; padding: 18px 22px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.ba-toc-label { font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.ba-toc ol { list-style: none; counter-reset: toc; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 6px 20px; }
.ba-toc li { counter-increment: toc; font-size: 0.9rem; }
.ba-toc li::before { content: counter(toc) ". "; color: var(--accent); font-family: var(--mono); }
.ba-toc a { color: var(--text); text-decoration: none; }
.ba-toc a:hover { color: var(--accent); }

@media (max-width: 640px) {
    .ba-wrap { padding: 0 1.1rem 4rem; }
    .ba-section.highlight { padding: 22px 18px; }
    .ba-header-meta { gap: 7px; }
    .ba-meta-author { margin-left: 0; width: 100%; }
}