/* ═══════════════════════════════════════════════════════
   EIDON DOCS — Professional multi-page layout
   ═══════════════════════════════════════════════════════ */

/* ── TOKENS ──────────────────────────────────────────── */
:root {
  --p:           #241571;
  --p2:          #3520A8;
  --p-bg:        rgba(36,21,113,0.05);
  --p-glow:      rgba(36,21,113,0.12);

  --text:        #0C0A1A;
  --text-body:   rgba(12,10,26,0.70);
  --text-muted:  rgba(12,10,26,0.40);
  --sur:         #FFFFFF;
  --bg:          #FBFAF8;
  --sidebar-bg:  #F5F3EF;

  --border:      rgba(36,21,113,0.08);
  --border2:     rgba(36,21,113,0.16);

  --green:       #166534;
  --green-bg:    rgba(22,101,52,0.06);
  --amber:       #92400E;
  --amber-bg:    rgba(217,119,6,0.08);
  --red:         #B91C1C;
  --red-bg:      rgba(185,28,28,0.06);

  --code-bg:     #0E0C1B;
  --code-border: rgba(255,255,255,0.07);
  --code-text:   rgba(255,255,255,0.88);

  --r-xs:  4px;
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  100px;

  --sidebar-w:   260px;
  --toc-w:       218px;
  --nav-h:       56px;
}

/* ── RESET / BASE ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── GRAIN ───────────────────────────────────────────── */
#grain-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.022;
  z-index: 0;
}

/* ── DOCS NAV ────────────────────────────────────────── */
.docs-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(251,250,248,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.docs-nav-inner {
  display: flex;
  align-items: center;
  gap: 0;
  height: 100%;
  padding: 0 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.logo-name {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.logo-icon { display: block; flex-shrink: 0; }

.docs-nav-sep {
  width: 1px;
  height: 18px;
  background: var(--border2);
  margin: 0 18px;
  flex-shrink: 0;
}

.docs-nav-tag {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  flex-shrink: 0;
  margin-right: 32px;
}

.docs-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
}
.docs-nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
}
.docs-nav-links a:hover  { color: var(--text); background: var(--p-bg); }
.docs-nav-links a.active { color: var(--p); }

.docs-btn-nav {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fff;
  background: var(--p);
  text-decoration: none;
  padding: 7px 16px;
  border-radius: var(--r-xl);
  transition: background 0.15s;
  flex-shrink: 0;
}
.docs-btn-nav:hover { background: var(--p2); }

/* ── OUTER WRAP ──────────────────────────────────────── */
.docs-wrap {
  display: flex;
  min-height: 100vh;
  padding-top: var(--nav-h);
  position: relative;
  z-index: 1;
}

/* ── SIDEBAR ─────────────────────────────────────────── */
.docs-sidebar {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 20px 0 40px;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
  z-index: 50;
}

.sidebar-search {
  position: relative;
  margin: 0 16px 16px;
}
.sidebar-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.sidebar-search-input {
  width: 100%;
  padding: 7px 10px 7px 32px;
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--text);
  background: var(--sur);
  border: 1px solid var(--border2);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.sidebar-search-input:focus {
  border-color: var(--p);
  box-shadow: 0 0 0 3px var(--p-glow);
}
.sidebar-search-input::placeholder { color: var(--text-muted); }

.sidebar-group {
  margin-bottom: 8px;
  padding: 0 0 8px;
}

.sidebar-group-header {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 20px 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  font-size: 0.8438rem;
  color: var(--text-body);
  text-decoration: none;
  padding: 5px 20px;
  border-left: 2px solid transparent;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
  cursor: pointer;
  line-height: 1.4;
}
.sidebar-link.sub {
  padding-left: 32px;
  font-size: 0.8125rem;
}
.sidebar-link:hover {
  color: var(--text);
  background: rgba(36,21,113,0.03);
}
.sidebar-link.active {
  color: var(--p);
  font-weight: 600;
  border-left-color: var(--p);
  background: var(--p-bg);
}

.sidebar-badge {
  font-size: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--p);
  background: var(--p-bg);
  border: 1px solid rgba(36,21,113,0.2);
  padding: 1px 5px;
  border-radius: var(--r-xl);
  margin-left: auto;
  flex-shrink: 0;
}

/* ── MAIN CONTENT ────────────────────────────────────── */
.docs-main-wrap {
  flex: 1;
  margin-left: var(--sidebar-w);
  margin-right: var(--toc-w);
  min-width: 0;
  padding: 48px 60px 80px;
  position: relative;
  overflow: hidden;
}

.docs-page {
  max-width: 720px;
}

/* Page transitions */
.docs-page.fade-out { opacity: 0; transition: opacity 0.08s ease; }
.docs-page.fade-in  { opacity: 1; transition: opacity 0.12s ease; }

/* Breadcrumb */
.docs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.docs-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.12s;
}
.docs-breadcrumb a:hover { color: var(--p); }
.docs-breadcrumb-sep { color: var(--border2); }
.docs-breadcrumb .current { color: var(--text-body); }

/* Headings */
.docs-page h1 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 2.1rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}
.docs-page h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.4375rem;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 44px 0 14px;
  padding-top: 4px;
}
.docs-page h3 {
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--text);
  margin: 28px 0 10px;
}
.docs-page h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin: 20px 0 8px;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.65;
  margin-bottom: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--border);
}

/* Typography */
.docs-page p {
  margin-bottom: 16px;
  color: var(--text-body);
}
.docs-page p:last-child { margin-bottom: 0; }

.docs-page a {
  color: var(--p);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(36,21,113,0.35);
  transition: text-decoration-color 0.12s;
}
.docs-page a:hover { text-decoration-color: var(--p); }

.docs-page ul,
.docs-page ol {
  margin: 10px 0 16px 20px;
  color: var(--text-body);
}
.docs-page li { margin-bottom: 5px; }
.docs-page li:last-child { margin-bottom: 0; }

.docs-page code {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.8125rem;
  background: rgba(36,21,113,0.06);
  color: var(--p);
  padding: 2px 5px;
  border-radius: var(--r-xs);
  border: 1px solid rgba(36,21,113,0.1);
}

.docs-page strong { font-weight: 650; color: var(--text); }
.docs-page hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* ── VERSION BADGE ───────────────────────────────────── */
.version-badge {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--p);
  background: var(--p-bg);
  border: 1px solid rgba(36,21,113,0.18);
  padding: 2px 7px;
  border-radius: var(--r-xl);
  vertical-align: middle;
  margin-left: 8px;
}

/* ── CODE BLOCKS ─────────────────────────────────────── */
.code-block {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--r-md);
  margin: 20px 0;
  overflow: hidden;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--code-border);
}

.code-lang {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.35);
}

.code-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  font-style: italic;
}

.code-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  color: rgba(255,255,255,0.35);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-xs);
  padding: 3px 9px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.code-copy:hover {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.04);
}
.code-copy.copied { color: #4ADE80; border-color: rgba(74,222,128,0.3); }

.code-block pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.code-block code {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--code-text);
  background: none;
  border: none;
  padding: 0;
  border-radius: 0;
  white-space: pre;
}

/* Syntax tokens */
.tok-c  { color: rgba(255,255,255,0.32); }  /* comment */
.tok-s  { color: #A5D6A7; }                  /* string */
.tok-k  { color: #CE93D8; }                  /* keyword */
.tok-nu { color: #FFD54F; }                  /* number */
.tok-o  { color: rgba(255,255,255,0.65); }   /* output */
.tok-ok { color: #69F0AE; }                  /* success output */
.tok-wn { color: #FFB74D; }                  /* warning output */
.tok-er { color: #EF9A9A; }                  /* error output */
.tok-p  { color: rgba(255,255,255,0.5); }    /* punctuation */
.tok-m  { color: #80DEEA; }                  /* meta / key */

/* ── PARAM TABLE ─────────────────────────────────────── */
.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
  font-size: 0.8438rem;
}
.param-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 12px 8px;
  border-bottom: 1px solid var(--border2);
}
.param-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-body);
  line-height: 1.55;
}
.param-table tr:last-child td { border-bottom: none; }
.param-table tr:hover td { background: var(--p-bg); }
.param-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.80rem;
  color: var(--p);
  white-space: nowrap;
}
.param-type {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.badge-req {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--red);
  background: var(--red-bg);
  border: 1px solid rgba(185,28,28,0.2);
  padding: 1px 5px;
  border-radius: var(--r-xl);
}
.badge-opt {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: rgba(12,10,26,0.04);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: var(--r-xl);
}

/* ── CALLOUTS ────────────────────────────────────────── */
.callout {
  border-left: 2.5px solid;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 13px 16px;
  margin: 22px 0;
}
.callout-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 5px;
}
.callout p { margin-bottom: 0; font-size: 0.875rem; }
.callout code { font-size: 0.78rem; }

.callout-note   { background: rgba(36,21,113,0.04); border-color: var(--p); }
.callout-note   .callout-label { color: var(--p); }
.callout-tip    { background: var(--green-bg); border-color: var(--green); }
.callout-tip    .callout-label { color: var(--green); }
.callout-warning { background: var(--amber-bg); border-color: #D97706; }
.callout-warning .callout-label { color: #B45309; }

/* ── VERDICT PILLS ───────────────────────────────────── */
.verdict-pill {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--r-xl);
}
.verdict-clean { color: var(--green); background: var(--green-bg); border: 1px solid rgba(22,101,52,0.2); }
.verdict-warn  { color: var(--amber); background: var(--amber-bg); border: 1px solid rgba(146,64,14,0.2); }
.verdict-crit  { color: var(--red);   background: var(--red-bg);   border: 1px solid rgba(185,28,28,0.2); }

/* ── WELCOME GRID ────────────────────────────────────── */
.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0;
}
.welcome-card {
  background: var(--sur);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 22px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: block;
}
.welcome-card:hover {
  border-color: var(--border2);
  box-shadow: 0 4px 16px rgba(36,21,113,0.07);
  text-decoration: none;
}
.welcome-card-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--p);
  margin-bottom: 8px;
}
.welcome-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 6px;
}
.welcome-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}
.welcome-card-arrow {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 12px;
  display: block;
}

/* ── PHASES ──────────────────────────────────────────── */
.phase-list {
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.phase-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.phase-item:last-child { border-bottom: none; }
.phase-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--p);
  background: var(--p-bg);
  border: 1px solid rgba(36,21,113,0.15);
  padding: 3px 7px;
  border-radius: var(--r-xs);
  flex-shrink: 0;
  margin-top: 1px;
  min-width: 32px;
  text-align: center;
}
.phase-body { flex: 1 }
.phase-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.phase-desc {
  font-size: 0.8438rem;
  color: var(--text-body);
  line-height: 1.55;
}
.phase-tags { margin-top: 6px; display: flex; gap: 5px; flex-wrap: wrap; }
.phase-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-muted);
  background: rgba(12,10,26,0.04);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: var(--r-xl);
}

/* ── STEP LIST ───────────────────────────────────────── */
.step-list { margin: 20px 0 28px; }
.step-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.step-item:last-child { margin-bottom: 0; }
.step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--p);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.step-body { flex: 1; }
.step-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.step-desc { color: var(--text-body); font-size: 0.875rem; }

/* ── TOOL HEADER (MCP tool pages) ────────────────────── */
.tool-header {
  background: var(--sur);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 22px;
  margin: 20px 0 28px;
}
.tool-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--p);
  margin-bottom: 8px;
}
.tool-when {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.tool-desc {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ── FLAGS TABLE ─────────────────────────────────────── */
.flags-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.8438rem;
}
.flags-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 12px 8px;
  border-bottom: 1px solid var(--border2);
}
.flags-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-body);
  font-size: 0.84rem;
}
.flags-table tr:last-child td { border-bottom: none; }
.flags-table code {
  font-size: 0.78rem;
  white-space: nowrap;
}

/* ── IDE CARDS ───────────────────────────────────────── */
.ide-card {
  background: var(--sur);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.ide-card h3 {
  margin-top: 0;
  font-size: 0.9375rem;
  font-weight: 650;
  color: var(--text);
  margin-bottom: 12px;
}

/* ── TABS ────────────────────────────────────────────── */
.tabs { margin: 18px 0 4px; }
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border2);
  margin-bottom: 0;
}
.tab-btn {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 6px 14px;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.12s, border-color 0.12s;
  font-family: inherit;
}
.tab-btn.active { color: var(--p); border-bottom-color: var(--p); }
.tab-btn:hover:not(.active) { color: var(--text); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel .code-block { border-radius: 0 var(--r-md) var(--r-md) var(--r-md); margin-top: 0; }

/* ── COMPARISON TABLE ────────────────────────────────── */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
  font-size: 0.8438rem;
}
.compare-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 12px 8px;
  border-bottom: 1px solid var(--border2);
}
.compare-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-body);
}
.compare-table tr:last-child td { border-bottom: none; }

/* ── OVERVIEW TABLE (MCP) ────────────────────────────── */
.tools-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.8438rem;
}
.tools-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 12px 8px;
  border-bottom: 1px solid var(--border2);
}
.tools-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-body);
}
.tools-table tr:last-child td { border-bottom: none; }
.tools-table tr:hover td { background: var(--p-bg); }
.tools-table a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--p);
  text-decoration: none;
  font-weight: 500;
}
.tools-table a:hover { text-decoration: underline; }

/* ── PAGE NAVIGATION ─────────────────────────────────── */
.page-nav {
  display: flex;
  gap: 12px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.page-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 18px;
  background: var(--sur);
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.page-nav-btn:hover {
  border-color: var(--border2);
  box-shadow: 0 2px 12px rgba(36,21,113,0.06);
}
.page-nav-btn.next { align-items: flex-end; }
.page-nav-dir {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.page-nav-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--p);
}
.page-nav-btn.prev .page-nav-label::before { content: "\2190\00a0"; }
.page-nav-btn.next .page-nav-label::after  { content: "\00a0\2192"; }

/* ── RIGHT TOC ───────────────────────────────────────── */
.docs-toc {
  position: fixed;
  top: var(--nav-h);
  right: 0;
  width: var(--toc-w);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  padding: 32px 20px 40px 16px;
  border-left: 1px solid var(--border);
  background: var(--bg);
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}
.docs-toc-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.toc-item {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 0 4px 12px;
  border-left: 1.5px solid transparent;
  line-height: 1.45;
  transition: color 0.12s, border-color 0.12s;
}
.toc-item:hover { color: var(--text-body); border-color: var(--border2); }
.toc-item.active { color: var(--p); border-color: var(--p); font-weight: 500; }
.toc-item.toc-h3 { font-size: 0.76rem; padding-left: 22px; }

/* ── MOBILE TOGGLE ───────────────────────────────────── */
.sidebar-toggle {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 44px; height: 44px;
  background: var(--p);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(36,21,113,0.35);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

/* ── UTIL ────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1200px) {
  .docs-toc { display: none; }
  .docs-main-wrap { margin-right: 0; }
}

@media (max-width: 860px) {
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 90;
    box-shadow: none;
  }
  .docs-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.12);
  }
  .docs-main-wrap {
    margin-left: 0;
    padding: 32px 20px 60px;
  }
  .sidebar-toggle { display: flex; }
  .welcome-grid { grid-template-columns: 1fr; }
  .page-nav { flex-direction: column; }
  .docs-nav-links { display: none; }
  .docs-btn-nav { display: none; }
}