/* docs/styles.css — Core Harness Wiki design system & themes.
 * Themes: operative, nexus, redteam, and minimal. All themes share the same
 * documentation-first layout and semantic navigation components.
 */

:root {
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --font-sans: "Inter", "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: var(--font-mono);
  
  --bg: #0b1220;
  --bg-card: #111b2e;
  --bg-card-hover: #17243a;
  --bg-surface: #162238;
  --bg-glass: rgba(11, 18, 32, 0.96);
  --line: rgba(255, 255, 255, 0.08);
  --line-light: rgba(255, 255, 255, 0.04);
  
  --fg: #e2e8f0;
  --fg-2: #94a3b8;
  --muted: #64748b;
  
  --accent: #00f0ff;
  --accent-glow: rgba(0, 240, 255, 0.14);
  --accent-soft: rgba(0, 240, 255, 0.1);
  
  --crit: #ef4444;
  --warn: #f59e0b;
  --high: #f97316;
  --med: #eab308;
  --low: #10b981;
  --info: #38bdf8;
  
  --sidebar-w: 270px;
  --topbar-h: 56px;
  --content-w: 1520px;
  --prose-w: 820px;
  --toc-w: 260px;
  --radius: 6px;
  --radius-sm: 4px;
}

@media (min-width: 1921px) {
  :root {
    --content-w: 1680px;
    --prose-w: 860px;
    --toc-w: 280px;
  }
}

/* ── Aesthetic Directions ── */

body.dir-operative {
  --font-display: var(--font-mono);
  --font-sans: var(--font-mono);
  --accent: #54d18a;
  --accent-glow: rgba(84, 209, 138, 0.25);
  --accent-soft: rgba(84, 209, 138, 0.09);
  --bg: #0a120e;
  --bg-card: #101c16;
  --bg-card-hover: #16261e;
  --bg-surface: #14231b;
  --line: rgba(84, 209, 138, 0.15);
}

body.dir-nexus {
  --font-display: var(--font-mono);
  --font-sans: "Inter", sans-serif;
  --accent: #00f0ff;
  --accent-glow: rgba(0, 240, 255, 0.25);
  --accent-soft: rgba(0, 240, 255, 0.1);
  --bg: #0b1220;
  --bg-card: #111b2e;
  --bg-card-hover: #17243a;
  --bg-surface: #162238;
  --line: rgba(0, 240, 255, 0.12);
}

body.dir-redteam {
  --font-display: var(--font-mono);
  --font-sans: var(--font-mono);
  --accent: #f87171;
  --accent-glow: rgba(248, 113, 113, 0.25);
  --accent-soft: rgba(248, 113, 113, 0.09);
  --bg: #170f12;
  --bg-card: #21161b;
  --bg-card-hover: #2d1d24;
  --bg-surface: #2a1b21;
  --line: rgba(248, 113, 113, 0.15);
}

body.dir-minimal {
  --font-display: "Inter", sans-serif;
  --font-sans: "Inter", sans-serif;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-soft: rgba(59, 130, 246, 0.1);
  --bg: #0d1422;
  --bg-card: #131e31;
  --bg-card-hover: #1a2a43;
  --bg-surface: #192941;
  --line: rgba(255, 255, 255, 0.08);
}

/* Light Mode Overrides */
body.theme-light {
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-surface: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --line: rgba(0, 0, 0, 0.08);
  --line-light: rgba(0, 0, 0, 0.04);
  --fg: #0f172a;
  --fg-2: #334155;
  --muted: #64748b;
}

body.theme-light.dir-operative {
  --accent: #059669;
  --accent-soft: rgba(5, 150, 105, 0.1);
  --line: rgba(5, 150, 105, 0.2);
}

body.theme-light.dir-nexus {
  --accent: #0284c7;
  --accent-soft: rgba(2, 132, 199, 0.1);
  --line: rgba(2, 132, 199, 0.18);
}

/* Density Settings */
body.density-compact {
  --topbar-h: 48px;
  font-size: 13px;
}
body.density-comfy {
  --topbar-h: 64px;
  font-size: 15px;
}

/* ── Base Styles ── */

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

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s ease;
}
a:hover {
  text-decoration: underline;
}

code, pre, .mono {
  font-family: var(--font-mono);
}

/* ── Layout ── */

.app {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  background: transparent;
  border: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--fg);
  cursor: pointer;
  text-align: left;
}

.brand-badge .logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.topbar-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: var(--radius);
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-mono);
  transition: all 0.15s ease;
  text-align: left;
}
.topbar-search:hover {
  border-color: var(--accent);
  color: var(--fg);
}
.topbar-search kbd {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sidebar {
  position: fixed;
  top: var(--topbar-h);
  bottom: 0;
  left: 0;
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  padding: 22px 14px 18px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-group-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 0 8px 7px;
  font-weight: 700;
}

.sidebar-group-title-sections {
  margin-top: 8px;
}

.sidebar-nav,
.sidebar-list,
.sidebar-tree {
  margin: 0;
  padding: 0;
}

.sidebar-list,
.sidebar-tree {
  list-style: none;
}

.sidebar-sections {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-section-heading {
  display: flex;
  align-items: stretch;
  gap: 2px;
}

.sidebar-disclosure {
  width: 28px;
  flex: 0 0 28px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.sidebar-disclosure:hover {
  color: var(--fg);
  background: var(--bg-card-hover);
}

.sidebar-link {
  display: flex;
  align-items: center;
  width: 100%;
  min-width: 0;
  gap: 8px;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg-2);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: all 0.15s ease;
}

.sidebar-link:hover {
  background: var(--bg-card-hover);
  color: var(--fg);
}

.sidebar-link.active {
  background: var(--accent-soft);
  border-color: var(--line);
  color: var(--accent);
  font-weight: 600;
}

.sidebar-section-link {
  justify-content: space-between;
}

.sidebar-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-tree {
  position: relative;
  margin: 3px 0 0 14px;
  padding: 3px 0 3px 14px;
  border-left: 1px solid var(--line);
}

.sidebar-tree-nested {
  margin-left: 10px;
}

.sidebar-tree > li {
  position: relative;
}

.sidebar-tree > li::before {
  position: absolute;
  top: 50%;
  left: -15px;
  width: 10px;
  border-top: 1px solid var(--line);
  content: '';
}

.sidebar-subsection {
  font-size: 12px;
  font-weight: 600;
}

.sidebar-article {
  padding: 5px 9px;
  font-size: 12px;
}

.sidebar-bullet {
  flex: 0 0 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--fg-2);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s ease;
}
.sidebar-item:hover {
  background: var(--bg-card-hover);
  color: var(--fg);
}
.sidebar-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.sidebar-item .count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.6;
}

.main {
  margin-top: var(--topbar-h);
  margin-left: var(--sidebar-w);
  width: calc(100% - var(--sidebar-w));
  max-width: var(--content-w);
  padding: 36px 48px 64px;
  min-height: calc(100vh - var(--topbar-h));
  box-sizing: border-box;
}

/* ── Hero & Dashboard ── */

.hero {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 1180px) {
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr);
    align-items: center;
    gap: 40px;
  }
}

.hero-main h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.hero-main p {
  font-size: 15px;
  color: var(--fg-2);
  max-width: 800px;
  line-height: 1.6;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-cell {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: var(--radius);
}
.stat-cell .k {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.stat-cell .v {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--fg);
}
.stat-cell .delta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

/* ── Article Layout & Reader ── */

.article-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--toc-w);
  gap: 48px;
  align-items: start;
}

.article-view.layout-centered,
.article-view.no-toc {
  grid-template-columns: minmax(0, 1fr);
}

.article-view.layout-centered {
  max-width: 880px;
  margin: 0 auto;
}

.article-content {
  min-width: 0;
}

.article-header {
  max-width: var(--prose-w);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 12px 0;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
}

.article-body > p,
.article-body > ul,
.article-body > ol,
.article-body > .lead,
.article-body > .tasklist {
  max-width: var(--prose-w);
}

.code-wrapper,
pre,
.tbl,
.callout {
  max-width: 100%;
}

.lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
  margin-bottom: 24px;
}

p {
  margin-bottom: 16px;
}

h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-light);
}

h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 12px;
}

h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0 8px;
}

/* ── Elements: Callouts, Code, Tables ── */

.callout {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  margin: 20px 0;
}
.callout.info { border-left-color: var(--info); background: rgba(56, 189, 248, 0.06); }
.callout.warn { border-left-color: var(--warn); background: rgba(245, 158, 11, 0.06); }
.callout.crit { border-left-color: var(--crit); background: rgba(239, 68, 68, 0.06); }
.callout.low { border-left-color: var(--low); background: rgba(16, 185, 129, 0.06); }
.callout.med { border-left-color: var(--med); background: rgba(234, 179, 8, 0.06); }

.callout .icn {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}
.callout .ttl {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
  margin: 20px 0;
  position: relative;
}

.code-wrapper {
  position: relative;
  margin: 20px 0;
}
.code-wrapper pre {
  margin: 0;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-bottom: none;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.code-header + pre {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.copy-btn:hover {
  background: var(--bg-card-hover);
  color: var(--fg);
  border-color: var(--accent);
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 13px;
}
.tbl th, .tbl td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}
.tbl th {
  background: var(--bg-card);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 12px;
}
.tbl tr:hover {
  background: var(--bg-card-hover);
}

ul, ol {
  margin: 16px 0 16px 24px;
}
li {
  margin-bottom: 6px;
}

.tasklist {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}
.tasklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

hr {
  border: 0;
  height: 1px;
  background: var(--line);
  margin: 32px 0;
}

/* ── Badges, Tags, Severity ── */

.sev {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.sev.crit { background: rgba(239, 68, 68, 0.15); color: var(--crit); border: 1px solid rgba(239, 68, 68, 0.3); }
.sev.warn { background: rgba(245, 158, 11, 0.15); color: var(--warn); border: 1px solid rgba(245, 158, 11, 0.3); }
.sev.high { background: rgba(249, 115, 22, 0.15); color: var(--high); border: 1px solid rgba(249, 115, 22, 0.3); }
.sev.med  { background: rgba(234, 179, 8, 0.15);  color: var(--med);  border: 1px solid rgba(234, 179, 8, 0.3); }
.sev.low  { background: rgba(16, 185, 129, 0.15); color: var(--low);  border: 1px solid rgba(16, 185, 129, 0.3); }
.sev.info { background: rgba(56, 189, 248, 0.15); color: var(--info); border: 1px solid rgba(56, 189, 248, 0.3); }

.tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--fg-2);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--fg);
}

.related-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.related-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--fg-2);
  font-size: 12px;
}

.related-link:hover {
  background: var(--bg-card-hover);
  color: var(--accent);
  text-decoration: none;
}

.related-link > span:not([aria-hidden]) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Table of Contents (TOC) ── */

.toc {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  max-height: calc(100vh - var(--topbar-h) - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  padding-right: 8px;
}

.toc::-webkit-scrollbar {
  width: 4px;
}
.toc::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 2px;
}

.toc-h {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.toc-item {
  color: var(--fg-2);
  cursor: pointer;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 12px;
}
.toc-item:hover {
  background: var(--bg-card-hover);
  color: var(--fg);
}
.toc-item.active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 500;
}
.toc-item .n {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  margin-right: 6px;
}

/* ── Search Modal (Command Palette) ── */

.cmdk-back {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  z-index: 1000;
}

.cmdk {
  width: 600px;
  max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.cmdk-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.cmdk-input input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--fg);
  font-size: 15px;
  font-family: var(--font-sans);
  width: 100%;
}
.cmdk-input .pmt {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}
.cmdk-input .esc {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--muted);
}

.cmdk-results {
  max-height: 400px;
  overflow-y: auto;
  padding: 8px;
}

.cmdk-grp-h {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 10px 4px;
}

.cmdk-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.1s ease;
}
.cmdk-row:hover, .cmdk-row.active {
  background: var(--accent-soft);
  color: var(--accent);
}
.cmdk-row .ttl {
  display: flex;
  flex-direction: column;
}
.cmdk-row .ttl small {
  font-size: 11px;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--fg);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}
.btn.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.btn.primary:hover {
  opacity: 0.9;
}

/* ── Mobile Responsiveness ── */

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--fg);
  font-size: 20px;
  cursor: pointer;
}

.nav-backdrop {
  display: none;
}

@media (max-width: 1180px) {
  .article-view {
    grid-template-columns: minmax(0, 1fr);
  }
  .article-view > aside {
    display: none;
  }
}

@media (max-width: 860px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .app.nav-open .sidebar {
    transform: translateX(0);
  }
  .app.nav-open .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 85;
  }
  .main {
    margin-left: 0;
    width: 100%;
    padding: 24px 18px 48px;
  }
  .mobile-toggle {
    display: block;
  }
  .article-view {
    grid-template-columns: 1fr;
  }
  .toc {
    display: none;
  }
}