:root {
  --vault-ink: #0b1114;
  --vault-ink-2: #111a1f;
  --vault-panel: #141f25;
  --vault-panel-2: #19262d;
  --surface-1: #152129;
  --surface-2: #1d2d36;
  --vault-steel: #22313a;
  --vault-accent: #25d0b3;
  --vault-accent-2: #f1b741;
  --vault-glow: rgba(37, 208, 179, 0.35);
  --focus-ring: rgba(116, 243, 200, 0.9);
  --vault-danger: #e26d5c;
  --vault-text: #e6f0f2;
  --vault-muted: #9bb0b8;
  --vault-line: rgba(148, 170, 180, 0.2);
  --chip-bg: #1a2831;
  --chip-bg-hover: #253741;
  --chip-bg-active: rgba(37, 208, 179, 0.26);
  --chip-text: #ddebf0;
  --chip-text-muted: #b5c9d0;
  --chip-text-active: #f5feff;
  --chip-border: rgba(155, 176, 184, 0.55);
  --chip-border-active: rgba(37, 208, 179, 0.95);
  --chip-bg-disabled: rgba(27, 40, 49, 0.55);
  --vault-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
  --vault-radius: 18px;
  --vault-font: "Space Grotesk", "Avenir Next", "Trebuchet MS", sans-serif;
  --vault-mono: "IBM Plex Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

body.vault-body {
  margin: 0;
  font-family: var(--vault-font);
  color: var(--vault-text);
  background: radial-gradient(circle at top, #16242b 0%, var(--vault-ink) 45%, #0b1012 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.vault-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 17, 20, 0.9);
  border-bottom: 1px solid var(--vault-line);
  backdrop-filter: blur(14px);
}

.vault-topbar .vault-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.vault-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.vault-brand span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, #22313a, #162028);
  border: 1px solid var(--vault-line);
  box-shadow: inset 0 0 0 1px rgba(37, 208, 179, 0.2);
}

.vault-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 600;
  color: var(--vault-muted);
}

.vault-nav a {
  padding: 8px 12px;
  border-radius: 10px;
}

.vault-nav a.active,
.vault-nav a:hover {
  color: var(--vault-text);
  background: rgba(37, 208, 179, 0.12);
}

.vault-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.vault-hero {
  padding: 64px 0 40px;
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.vault-hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.75rem;
  color: var(--vault-accent-2);
  margin-bottom: 12px;
  font-weight: 600;
}

.vault-hero p {
  margin: 0 0 18px;
  color: var(--vault-muted);
  line-height: 1.7;
}

.vault-hero .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.vault-button {
  border: 1px solid rgba(37, 208, 179, 0.4);
  background: linear-gradient(140deg, rgba(37, 208, 179, 0.2), rgba(37, 208, 179, 0.05));
  color: var(--vault-text);
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.vault-button.secondary {
  border-color: rgba(241, 183, 65, 0.4);
  background: linear-gradient(140deg, rgba(241, 183, 65, 0.2), rgba(241, 183, 65, 0.05));
}

.vault-status {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: linear-gradient(160deg, rgba(25, 38, 45, 0.8), rgba(14, 22, 26, 0.9));
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--vault-line);
  box-shadow: var(--vault-shadow);
}

.vault-lock-panel {
  margin-top: 18px;
  background: var(--vault-panel);
  border: 1px solid var(--vault-line);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: var(--vault-shadow);
}

.vault-lock-panel h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.vault-lock-panel p {
  margin: 0 0 12px;
  color: var(--vault-muted);
}

.lock-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.lock-row input {
  flex: 1;
  min-width: 220px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--vault-line);
  background: var(--vault-ink-2);
  color: var(--vault-text);
  font-family: var(--vault-font);
}

.lock-error {
  color: var(--vault-danger);
  margin-top: 10px;
}

.vault-lock-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 14, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 30;
}

.vault-lock-overlay .vault-lock-panel {
  max-width: 520px;
  width: 100%;
}

body.vault-unlocked .vault-lock-panel {
  display: none;
}

body.vault-unlocked .vault-lock-overlay {
  display: none;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--vault-muted);
  font-size: 0.95rem;
}

.status-line strong {
  color: var(--vault-text);
}

.vault-door-wrap {
  position: relative;
  background: linear-gradient(180deg, rgba(34, 49, 58, 0.6), rgba(12, 20, 24, 0.7));
  border-radius: var(--vault-radius);
  border: 1px solid var(--vault-line);
  padding: 20px;
  box-shadow: var(--vault-shadow);
  overflow: hidden;
}

.vault-door {
  width: 100%;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.45));
}

.vault-door .vault-lock-ring,
.vault-door .vault-lock-core {
  transition: fill 0.4s ease, stroke 0.4s ease;
}

body:not(.vault-unlocked) .vault-door .vault-lock-ring {
  stroke: #ff6b6b;
}

body:not(.vault-unlocked) .vault-door .vault-lock-core {
  fill: #ff6b6b;
}

body.vault-unlocked .vault-door .vault-lock-ring {
  stroke: #74f3c8;
}

body.vault-unlocked .vault-door .vault-lock-core {
  fill: #74f3c8;
}

.vault-door .door-left,
.vault-door .door-right {
  transform-origin: center;
  transition: transform 1.8s ease;
}

body.vault-ready .vault-door .door-left {
  transform: translateX(-34px) rotateY(-12deg);
}

body.vault-ready .vault-door .door-right {
  transform: translateX(34px) rotateY(12deg);
}

.vault-door-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(37, 208, 179, 0.25), transparent 60%);
  opacity: 0;
  transition: opacity 1.2s ease;
}

body.vault-ready .vault-door-glow {
  opacity: 1;
}

.vault-controls {
  margin-top: 24px;
  display: grid;
  gap: 20px;
}

body:not(.vault-unlocked) #vault-controls,
body:not(.vault-unlocked) #module-grid,
body:not(.vault-unlocked) #empty-state {
  display: none;
}

body.vault-unlocked #vault-public {
  display: none;
}

.vault-public {
  margin-top: 24px;
}

.vault-public-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.vault-public-card {
  background: var(--vault-panel-2);
  border: 1px solid var(--vault-line);
  border-radius: var(--vault-radius);
  padding: 18px;
}

.vault-public-card h3 {
  margin-top: 0;
}

.vault-public-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--vault-muted);
  line-height: 1.6;
}

.control-panel {
  background: var(--vault-panel);
  border: 1px solid var(--vault-line);
  border-radius: var(--vault-radius);
  padding: 20px;
  box-shadow: var(--vault-shadow);
}

.control-panel h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  color: var(--chip-text);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease,
    box-shadow 0.18s ease;
}

.chip:hover:not(:disabled) {
  background: var(--chip-bg-hover);
  border-color: rgba(155, 176, 184, 0.8);
  color: var(--chip-text);
}

.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--chip-bg-active);
  border-color: var(--chip-border-active);
  color: var(--chip-text-active);
  box-shadow: 0 0 0 1px rgba(37, 208, 179, 0.45);
}

.chip:focus-visible {
  box-shadow: 0 0 0 3px rgba(116, 243, 200, 0.22);
}

.chip:disabled {
  background: var(--chip-bg-disabled);
  color: var(--chip-text-muted);
  border-color: rgba(148, 170, 180, 0.3);
  cursor: not-allowed;
}

.chip.chip-ghost {
  background: rgba(18, 28, 33, 0.88);
}

.segmented .chip {
  min-height: 40px;
}

.search-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  width: min(100%, 760px);
  flex: 1;
}

.search-row input {
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  padding-right: 88px;
  border-radius: 12px;
  border: 1px solid rgba(148, 170, 180, 0.45);
  background: var(--surface-1);
  color: var(--vault-text);
  font-family: var(--vault-font);
}

.search-row input::placeholder {
  color: #a3b7bf;
}

.search-row input:focus-visible {
  border-color: var(--chip-border-active);
  box-shadow: 0 0 0 3px rgba(116, 243, 200, 0.2);
}

.search-row input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.search-clear {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--chip-text);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 5px 10px;
}

.search-clear:hover {
  border-color: rgba(155, 176, 184, 0.9);
  background: var(--chip-bg-hover);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-chip {
  font-size: 0.85rem;
}

.tag-chip[aria-pressed="true"],
.tag-chip.is-active {
  border-color: rgba(241, 183, 65, 0.88);
  background: rgba(241, 183, 65, 0.22);
  color: #fff6de;
  box-shadow: 0 0 0 1px rgba(241, 183, 65, 0.45);
}

.module-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin: 28px 0 60px;
}

.module-card {
  background: var(--vault-panel-2);
  border: 1px solid var(--vault-line);
  border-radius: var(--vault-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 260px;
  position: relative;
  overflow: hidden;
}

.module-card::after {
  content: "";
  position: absolute;
  inset: -40% 0 auto;
  height: 120px;
  background: radial-gradient(circle at center, rgba(37, 208, 179, 0.2), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.module-card:hover::after {
  opacity: 1;
}

.module-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.module-card p {
  margin: 0;
  color: var(--vault-muted);
  line-height: 1.6;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(37, 208, 179, 0.15);
  color: var(--vault-text);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-icon {
  width: 14px;
  height: 14px;
  object-fit: contain;
}

.hardware-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.badge.target {
  background: rgba(241, 183, 65, 0.18);
}

.badge.tag {
  background: rgba(155, 176, 184, 0.15);
  color: var(--vault-muted);
}

.complexity {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--vault-muted);
  font-size: 0.85rem;
}

.complexity-dots {
  display: flex;
  gap: 4px;
}

.complexity-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(37, 208, 179, 0.5);
  background: transparent;
}

.complexity-dots span.active {
  background: var(--vault-accent);
  box-shadow: 0 0 8px var(--vault-glow);
}

.module-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--vault-muted);
  font-size: 0.85rem;
}

.module-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--vault-text);
  font-weight: 600;
}

.vault-footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--vault-line);
  color: var(--vault-muted);
}

.vault-footer p {
  margin: 0 0 8px;
}

.vault-module-hero {
  padding: 48px 0 24px;
  display: grid;
  gap: 24px;
}

.vault-module-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
}

.module-summary {
  color: var(--vault-muted);
  line-height: 1.7;
  max-width: 720px;
}

.module-details {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.detail-card {
  background: var(--vault-panel);
  border-radius: 16px;
  border: 1px solid var(--vault-line);
  padding: 16px 18px;
}

.hardware-hero {
  padding: 48px 0 24px;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) 220px;
  align-items: center;
}

.hardware-summary {
  color: var(--vault-muted);
  line-height: 1.7;
  max-width: 720px;
}

.hardware-portrait {
  display: flex;
  justify-content: center;
}

.hardware-portrait img {
  width: 100%;
  max-width: 200px;
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(10, 20, 24, 0.35));
}

.hardware-specs {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 10px;
}

.hardware-section {
  background: var(--vault-panel-2);
  border: 1px solid var(--vault-line);
  border-radius: var(--vault-radius);
  padding: 20px;
  margin-top: 18px;
}

.hardware-section h2 {
  margin-top: 0;
}

.hardware-list,
.hardware-checklist {
  margin: 0;
  padding-left: 18px;
  color: var(--vault-muted);
  line-height: 1.6;
}

.hardware-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hardware-links .module-link {
  border: 1px solid rgba(37, 208, 179, 0.4);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(37, 208, 179, 0.12);
  font-size: 0.85rem;
}

.hardware-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 20px 0 60px;
}

.hardware-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border-radius: var(--vault-radius);
  border: 1px solid var(--vault-line);
  background: var(--vault-panel-2);
  text-decoration: none;
  color: var(--vault-text);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hardware-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--vault-shadow);
}

.hardware-card p {
  margin: 0;
  color: var(--vault-muted);
  line-height: 1.6;
}

.hardware-card-icon img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

#module-targets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#module-accel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.tab-button {
  background: transparent;
  border: 1px solid var(--vault-line);
  color: var(--vault-muted);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.tab-button.active {
  border-color: rgba(37, 208, 179, 0.6);
  color: var(--vault-text);
  background: rgba(37, 208, 179, 0.14);
}

.tab-panel {
  display: none;
  padding: 20px;
  background: var(--vault-panel-2);
  border-radius: var(--vault-radius);
  border: 1px solid var(--vault-line);
  margin-top: 16px;
}

.tab-panel.active {
  display: block;
}

.doc-content h2,
.doc-content h3,
.doc-content h4 {
  margin-top: 20px;
}

.doc-content pre {
  background: #0b1418;
  border: 1px solid rgba(37, 208, 179, 0.2);
  padding: 14px;
  border-radius: 12px;
  overflow: auto;
  font-family: var(--vault-mono);
  font-size: 0.9rem;
  line-height: 1.5;
}

.doc-content code {
  font-family: var(--vault-mono);
}

.build-snippet {
  margin-top: 18px;
  border-radius: 12px;
  border: 1px solid rgba(37, 208, 179, 0.35);
  background: rgba(14, 24, 29, 0.75);
  padding: 14px 16px;
}

.build-snippet h3 {
  margin: 0 0 6px;
}

.build-snippet p {
  margin: 0 0 10px;
  color: var(--vault-muted);
}

.code-block {
  margin-bottom: 18px;
}

.code-block header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--vault-muted);
  margin-bottom: 8px;
}

.code-block pre {
  margin: 0;
}

.codeviewer {
  display: grid;
  grid-template-columns: minmax(200px, 260px) 1fr;
  gap: 16px;
}

.codeviewer-left {
  background: rgba(10, 18, 22, 0.6);
  border: 1px solid var(--vault-line);
  border-radius: 12px;
  padding: 12px;
  max-height: 520px;
  overflow: auto;
}

.codeviewer-title {
  font-size: 0.9rem;
  color: var(--vault-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.codeviewer-tree {
  list-style: none;
  padding-left: 14px;
  margin: 6px 0;
}

.codeviewer-tree > li {
  margin-bottom: 6px;
}

.codeviewer-folder summary {
  cursor: pointer;
  color: var(--vault-text);
}

.codeviewer-file {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--vault-text);
  font-family: var(--vault-mono);
  font-size: 0.85rem;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
}

.codeviewer-file:hover {
  background: rgba(37, 208, 179, 0.12);
}

.codeviewer-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.codeviewer-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--vault-muted);
}

.codeviewer-path {
  font-family: var(--vault-mono);
}

.codeviewer-copy {
  border: 1px solid var(--vault-line);
  background: rgba(20, 31, 37, 0.7);
  color: var(--vault-text);
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.codeviewer-pre {
  margin: 0;
  background: #0b1418;
  border: 1px solid rgba(37, 208, 179, 0.2);
  padding: 14px;
  border-radius: 12px;
  overflow: auto;
  font-family: var(--vault-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  min-height: 320px;
}

.reference-list {
  display: grid;
  gap: 14px;
}

.reference-card {
  border: 1px solid var(--vault-line);
  background: rgba(12, 20, 24, 0.7);
  border-radius: 12px;
  padding: 14px 16px;
}

.reference-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.reference-title a {
  color: var(--vault-text);
  text-decoration: none;
}

.reference-title a:hover {
  text-decoration: underline;
}

.highlight .hl-key {
  color: #8ee4ff;
}

.highlight .hl-string {
  color: #f1b741;
}

.highlight .hl-comment {
  color: #8aa2ab;
  font-style: italic;
}

.highlight .hl-number {
  color: #e26d5c;
}

.highlight .hl-preproc {
  color: #74f3c8;
}

.highlight .hl-type {
  color: #b3ff8f;
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--vault-muted);
}

.empty-state-card {
  margin: 10px 0 60px;
  padding: 28px 24px;
  border-radius: var(--vault-radius);
  border: 1px solid rgba(148, 170, 180, 0.3);
  background: linear-gradient(165deg, rgba(25, 38, 45, 0.94), rgba(13, 20, 24, 0.95));
}

.empty-state-card h3 {
  margin: 0 0 10px;
  color: var(--vault-text);
}

.empty-state-card p {
  margin: 0;
}

.empty-state-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.noscript-fallback {
  background: rgba(20, 31, 37, 0.7);
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px dashed var(--vault-line);
  margin-top: 16px;
}

@media (max-width: 720px) {
  .vault-topbar .vault-shell {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .vault-nav {
    flex-wrap: wrap;
  }

  .vault-hero {
    padding: 48px 0 20px;
  }

  .hardware-hero {
    grid-template-columns: 1fr;
  }

  .hardware-portrait {
    justify-content: flex-start;
  }

  .codeviewer {
    grid-template-columns: 1fr;
  }

  .codeviewer-left {
    max-height: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.001ms !important;
  }
}