/* ==========================================================================
   HOOL OS (hool.dev) — Technical Monograph & White-Paper Design System v1.0
   World: "John's Terminal" (DESIGN-DIVERSITY-CHARTER.md + /colophon/ tokens)
   Exclusivity: Monospace-as-display, uppercase letterspaced .lbl eyebrows,
                dark terminal proof panes (web) + high-contrast archival print.
   Charter Compliance: Pure monospace + phosphor green token hierarchy.
   ========================================================================== */

:root {
  /* Canonical hool.dev /colophon/ Night Palette (Web Default) */
  --bg: #060708;
  --bg2: #0b0d0f;
  --bg3: #101316;
  --bg-elevated: #14181d;
  --fg: #e9e4da;
  --dim: #9a958a;
  --faint: #848073;
  --acc: #b4ff2a;       /* Charter phosphor green */
  --acc-tint: rgba(180, 255, 42, 0.10);
  --acc-border: rgba(180, 255, 42, 0.35);
  --acc2: #c8a96e;      /* Brass secondary token */
  --acc2-tint: rgba(200, 169, 110, 0.10);
  --ok: #56d364;        /* Verified status green */
  --ok-tint: rgba(86, 211, 100, 0.12);
  --warn: #e3b341;
  --danger: #f85149;
  --danger-tint: rgba(248, 81, 73, 0.12);
  --line: #23262b;
  --line2: #33373d;
  --sel: #b4ff2a;
  --sel-fg: #060708;

  /* Exclusive Monospace Typography Stack */
  --mono: ui-monospace, 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Consolas, Menlo, monospace;

  /* Layout & Rhythm */
  --max-w: 980px;
  --radius: 6px;
}

/* Optional Light / Paper Mode on Web (`data-theme="paper"`) */
:root[data-theme="paper"] {
  --bg: #fafaf8;
  --bg2: #f1f3ef;
  --bg3: #e6e9e3;
  --bg-elevated: #ffffff;
  --fg: #111512;
  --dim: #424943;
  --faint: #666e67;
  --acc: #33660a;       /* Canonical /colophon/ paper phosphor */
  --acc-tint: rgba(51, 102, 10, 0.08);
  --acc-border: rgba(51, 102, 10, 0.35);
  --acc2: #7a6230;
  --acc2-tint: rgba(122, 98, 48, 0.09);
  --ok: #1a7f37;
  --ok-tint: rgba(26, 127, 55, 0.10);
  --warn: #9a6700;
  --danger: #cf222e;
  --danger-tint: rgba(207, 34, 46, 0.08);
  --line: #d0d7ce;
  --line2: #afb8ad;
  --sel: #33660a;
  --sel-fg: #ffffff;
}

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

::selection {
  background: var(--sel);
  color: var(--sel-fg);
}

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--acc);
  text-decoration: none;
  border-bottom: 1px solid var(--acc-border);
}

a:hover {
  border-bottom-color: var(--acc);
}

/* Top Utility Bar (Web Only) */
.wp-topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg2);
  padding: 10px 24px;
  font-size: 0.75rem;
}

.wp-topbar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.wp-breadcrumb {
  color: var(--dim);
  letter-spacing: 0.08em;
}

.wp-breadcrumb a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--line2);
}

.wp-breadcrumb .sep {
  color: var(--faint);
  margin: 0 6px;
}

.wp-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wp-pill-ok {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--ok-tint);
  border: 1px solid var(--ok);
  color: var(--ok);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.wp-pill-acc {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--acc-tint);
  border: 1px solid var(--acc-border);
  color: var(--acc);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Main Monograph Container */
.wp-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 36px 28px 64px;
}

/* Charter Exclusive: Uppercase Letterspaced Mono Eyebrow (.lbl) */
.lbl {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 600;
  margin-bottom: 6px;
}

.lbl-acc {
  color: var(--acc);
}

.lbl-acc2 {
  color: var(--acc2);
}

/* Part I: Monograph Cover / Header Banner */
.wp-header {
  border: 1px solid var(--line2);
  border-top: 3px solid var(--acc);
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
  padding: 28px 30px 24px;
  border-radius: var(--radius);
  margin-bottom: 28px;
}

.wp-header-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.wp-series-tag {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acc);
  font-weight: 700;
}

.wp-doc-id {
  font-size: 0.72rem;
  color: var(--dim);
  letter-spacing: 0.08em;
}

.wp-title {
  font-size: 1.82rem;
  line-height: 1.24;
  font-weight: 800;
  color: var(--fg);
  margin: 0 0 12px 0;
  letter-spacing: -0.02em;
}

.wp-subtitle {
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--dim);
  margin: 0 0 20px 0;
}

.wp-byline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}

.wp-byline-item .val {
  color: var(--fg);
  font-weight: 600;
}

/* Part II: Abstract + Pre-Registered Falsifier Grid */
.wp-abstract-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.wp-abstract-box {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.wp-abstract-grid .wp-abstract-box {
  margin-bottom: 0;
}

.wp-abstract-box p {
  margin: 0 0 12px 0;
  font-size: 0.9rem;
  color: var(--fg);
}

.wp-abstract-box p:last-child {
  margin-bottom: 0;
}

.wp-falsifier-box {
  background: var(--bg3);
  border: 1px solid var(--acc2);
  border-left: 4px solid var(--acc2);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.wp-falsifier-box h3,
.wp-falsifier-box h2 {
  margin: 0 0 8px 0;
  font-size: 0.88rem;
  color: var(--fg);
}

.wp-falsifier-box p {
  margin: 0 0 12px 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--dim);
}

.wp-falsifier-rule {
  background: var(--bg);
  border: 1px solid var(--line2);
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--acc2);
}

/* Section Headings */
.wp-section {
  margin-bottom: 34px;
}

.wp-section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px solid var(--line2);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.wp-sec-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--acc);
  letter-spacing: 0.14em;
}

.wp-section-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--fg);
  margin: 0;
  letter-spacing: -0.01em;
}

.wp-prose {
  max-width: 72ch;
}

.wp-prose p {
  margin: 0 0 14px 0;
  color: var(--fg);
}

.wp-prose strong {
  color: var(--fg);
  font-weight: 700;
}

.wp-code-inline {
  background: var(--bg3);
  border: 1px solid var(--line2);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.84em;
  color: var(--acc);
}

/* Part III & V: Technical Tables */
.wp-table-wrap {
  margin: 18px 0 24px 0;
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  overflow-x: auto;
  background: var(--bg2);
}

.wp-table-caption {
  padding: 10px 16px;
  background: var(--bg3);
  border-bottom: 1px solid var(--line2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
}

.wp-table-caption strong {
  color: var(--fg);
  letter-spacing: 0.04em;
}

.wp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  line-height: 1.5;
}

.wp-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--bg2);
  color: var(--faint);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line2);
}

.wp-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--fg);
}

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

.wp-badge-fail {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--danger-tint);
  border: 1px solid var(--danger);
  color: var(--danger);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.wp-badge-pass {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--ok-tint);
  border: 1px solid var(--ok);
  color: var(--ok);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* Part IV: Inline Vector Figure Stage (Dark Terminal Proof Pane) */
.wp-figure {
  margin: 20px 0 26px 0;
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  background: var(--bg2);
  overflow: hidden;
}

.wp-figure-bar {
  padding: 9px 16px;
  background: var(--bg3);
  border-bottom: 1px solid var(--line2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
}

.wp-figure-body {
  padding: 20px;
  background: var(--bg);
}

.wp-figure-body svg {
  width: 100%;
  height: auto;
  display: block;
}

.wp-figure-foot {
  padding: 10px 16px;
  background: var(--bg2);
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--dim);
}

/* Callout Box: The Negative-Control Law */
.wp-callout-law {
  margin: 24px 0;
  padding: 20px 24px;
  background: var(--bg2);
  border: 1px solid var(--acc-border);
  border-left: 4px solid var(--acc);
  border-radius: var(--radius);
}

.wp-callout-quote {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--fg);
  margin: 4px 0 10px 0;
}

.wp-callout-body {
  font-size: 0.85rem;
  color: var(--dim);
  margin: 0;
}

/* Part VI: Monday Morning Implementation Checklist */
.wp-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.wp-check-card {
  background: var(--bg2);
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.wp-check-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--fg);
}

.wp-check-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--acc);
  border-radius: 3px;
  color: var(--acc);
  font-size: 0.72rem;
  font-weight: 800;
}

.wp-check-card p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--dim);
  line-height: 1.5;
}

/* Part VII: Cryptographic Provenance Colophon & Book #1 Bridge */
.wp-colophon {
  margin-top: 38px;
  padding: 22px 26px;
  background: var(--bg2);
  border: 1px solid var(--line2);
  border-top: 2px solid var(--acc2);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

.wp-colophon h4,
.wp-colophon h2 {
  margin: 0 0 8px 0;
  font-size: 0.88rem;
  color: var(--fg);
}

.wp-colophon p {
  margin: 0 0 10px 0;
  font-size: 0.78rem;
  color: var(--dim);
  line-height: 1.55;
}

.wp-colophon-book {
  background: var(--bg3);
  border: 1px solid var(--line2);
  border-radius: 4px;
  padding: 14px 16px;
}

.wp-colophon-book .book-cta {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--acc);
  text-decoration: none;
  border-bottom: 1px solid var(--acc);
}

/* ==========================================================================
   Print / Free PDF Compilation Target (@media print)
   Automatically switches to high-contrast archival paper tokens so readers
   can print or read the PDF cleanly without dark-background toner drain.
   ========================================================================== */
@page {
  size: letter portrait;
  margin: 0.55in 0.6in;
}

@media print {
  :root {
    --bg: #ffffff;
    --bg2: #f6f8f5;
    --bg3: #ecefe9;
    --bg-elevated: #ffffff;
    --fg: #0d1117;
    --dim: #32383f;
    --faint: #57606a;
    --acc: #2b5808;
    --acc-tint: rgba(43, 88, 8, 0.08);
    --acc-border: rgba(43, 88, 8, 0.40);
    --acc2: #6e5522;
    --acc2-tint: rgba(110, 85, 34, 0.08);
    --ok: #1a7f37;
    --ok-tint: rgba(26, 127, 55, 0.10);
    --danger: #cf222e;
    --danger-tint: rgba(207, 34, 46, 0.08);
    --line: #d0d7de;
    --line2: #afb8c1;
  }

  html, body {
    font-size: 11.5px;
    line-height: 1.52;
    background: #ffffff !important;
    color: #0d1117 !important;
  }

  .wp-topbar {
    display: none !important;
  }

  .wp-container {
    max-width: 100%;
    padding: 0;
  }

  .wp-header,
  .wp-abstract-grid,
  .wp-figure,
  .wp-table-wrap,
  .wp-callout-law,
  .wp-checklist,
  .wp-colophon {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .wp-section-header,
  h2, h3, h4 {
    break-after: avoid;
    page-break-after: avoid;
  }
}

/* Mobile breakpoints: readable at 375px, no horizontal scroll */
@media (max-width: 720px) {
  .wp-byline-grid { grid-template-columns: repeat(2, 1fr); }
  .wp-abstract-grid,
  .wp-colophon,
  .wp-checklist { grid-template-columns: 1fr; }
  .wp-container { padding: 24px 16px 48px; }
  .wp-header { padding: 20px 18px; }
}