/* ═══════════════════════════════════════════════════════════
   FIRMATA DOCS — Dark Technical Documentation
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Surfaces */
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-tertiary: #18181b;
  --bg-elevated: #1e1e22;
  --bg-hover: #232328;

  /* Text */
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a8;
  --text-tertiary: #6b6b74;
  --text-muted: #4a4a52;

  /* Accent: Warm Amber/Gold */
  --accent: #c8a44e;
  --accent-hover: #d4b362;
  --accent-dim: rgba(200, 164, 78, 0.15);
  --accent-border: rgba(200, 164, 78, 0.25);

  /* Borders */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.12);

  /* Code */
  --code-bg: #151518;
  --code-border: rgba(255, 255, 255, 0.06);
  --inline-code-bg: rgba(255, 255, 255, 0.06);

  /* Sizing */
  --sidebar-width: 260px;
  --content-max: 800px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

  /* Transitions */
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

::selection {
  background: rgba(200, 164, 78, 0.3);
  color: #fff;
}

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

a:hover {
  color: var(--accent-hover);
}

/* ── Mobile Header ── */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 52px;
}

.mobile-header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 100%;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s var(--ease);
}

.menu-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.mobile-logo {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-primary);
}

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 2px;
}

.sidebar-header {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  line-height: 1.2;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* ── Navigation ── */
.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-group {
  margin-bottom: 20px;
}

.nav-group-label {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 4px;
}

.nav-link {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.12s var(--ease);
  line-height: 1.5;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Sidebar Footer ── */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.version-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ── Sidebar Overlay (mobile) ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 150;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.visible {
  display: block;
}

/* ── Main Content ── */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-wrapper {
  flex: 1;
  max-width: calc(var(--content-max) + 120px);
  padding: 48px 60px 80px;
  margin: 0 auto;
  width: 100%;
}

/* ── Section Styles ── */
.doc-section {
  padding-bottom: 56px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--border);
}

.doc-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

/* ── Typography ── */
h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-top: 40px;
  margin-bottom: 12px;
  line-height: 1.3;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 28px;
  margin-bottom: 8px;
  line-height: 1.4;
}

p {
  margin-bottom: 14px;
  color: var(--text-secondary);
  max-width: 72ch;
}

.lead {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 20px;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

ul, ol {
  margin-bottom: 14px;
  padding-left: 20px;
  color: var(--text-secondary);
}

li {
  margin-bottom: 6px;
}

li code {
  font-size: 13px;
}

/* ── Inline Code ── */
code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--inline-code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--accent);
}

/* ── Code Blocks ── */
pre {
  position: relative;
  margin: 16px 0 20px;
  padding: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--code-border);
  overflow: hidden;
}

pre code {
  display: block;
  padding: 18px 20px;
  background: var(--code-bg);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  -webkit-overflow-scrolling: touch;
}

pre code::-webkit-scrollbar {
  height: 6px;
}

pre code::-webkit-scrollbar-track {
  background: transparent;
}

pre code::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

/* Copy button on code blocks */
pre .copy-code-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s var(--ease);
  z-index: 2;
}

pre:hover .copy-code-btn {
  opacity: 1;
}

pre .copy-code-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

pre .copy-code-btn.copied {
  color: var(--accent);
}

/* ── Contract Grid ── */
.contract-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0;
}

.contract-card {
  padding: 16px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.15s var(--ease);
}

.contract-card:hover {
  border-color: var(--border-strong);
}

.contract-card-name {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-bottom: 6px;
}

.contract-card p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-tertiary);
  margin-bottom: 0;
}

/* ── Architecture Diagram ── */
.architecture-diagram {
  margin: 20px 0;
  overflow-x: auto;
}

.diagram-pre {
  background: var(--code-bg) !important;
  border: 1px solid var(--code-border) !important;
  border-radius: var(--radius-md) !important;
  padding: 24px !important;
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
  line-height: 1.5 !important;
  color: var(--text-secondary) !important;
  overflow-x: auto;
  white-space: pre;
}

/* ── Info List ── */
.info-list {
  margin: 16px 0;
}

.info-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.info-item:last-child {
  border-bottom: none;
}

.info-item strong {
  display: block;
  font-size: 13.5px;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-bottom: 4px;
}

.info-item p {
  font-size: 13.5px;
  color: var(--text-tertiary);
  margin-bottom: 0;
}

/* ── Job Lifecycle Flow ── */
.lifecycle-flow {
  margin: 24px 0;
  padding: 28px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.lifecycle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  margin-bottom: 20px;
}

.state-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.state-code {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 2px;
}

.state-arrow {
  font-size: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.state-completed { border-color: rgba(74, 222, 128, 0.3); color: #4ade80; }
.state-rejected { border-color: rgba(248, 113, 113, 0.3); color: #f87171; }
.state-expired { border-color: rgba(251, 191, 36, 0.3); color: #fbbf24; }
.state-open { border-color: rgba(96, 165, 250, 0.3); color: #60a5fa; }
.state-funded { border-color: rgba(167, 139, 250, 0.3); color: #a78bfa; }
.state-submitted { border-color: rgba(200, 164, 78, 0.3); color: var(--accent); }

.lifecycle-branches {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 12px;
}

.branch-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.branch-label {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 160px;
}

/* ── Formula Block ── */
.formula-block {
  padding: 18px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-md);
  margin: 16px 0 20px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2;
  color: var(--text-primary);
}

.formula-block code {
  background: none;
  padding: 0;
  color: var(--accent);
}

/* ── Score Breakdown ── */
.score-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.score-item {
  padding: 16px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.score-weight {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-right: 8px;
}

.score-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.score-item p {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 4px;
  margin-bottom: 0;
}

/* ── API Tables ── */
.api-table-wrapper {
  margin: 16px 0 20px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.api-table thead {
  background: var(--bg-tertiary);
}

.api-table th {
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.api-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

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

.api-table tbody tr:hover {
  background: var(--bg-hover);
}

.api-table td code {
  font-size: 12.5px;
  white-space: nowrap;
}

/* ── Address Table ── */
.address-table td:first-child {
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  width: 160px;
}

.address-code {
  font-size: 12px !important;
  word-break: break-all;
  white-space: normal !important;
}

.address-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  width: 60px;
}

.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s var(--ease);
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.copy-btn.copied {
  color: var(--accent);
  border-color: var(--accent-border);
}

.explorer-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 14px;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.15s var(--ease);
  text-decoration: none;
  flex-shrink: 0;
}

.explorer-link:hover {
  background: var(--bg-hover);
  color: var(--accent);
  border-color: var(--accent-border);
}

.native-label {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.chain-badge {
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-left: 6px;
}

/* ── Resource Grid ── */
.resource-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0;
}

.resource-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.15s var(--ease);
  color: var(--text-secondary);
  text-decoration: none;
}

.resource-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.resource-card svg {
  flex-shrink: 0;
  color: var(--text-tertiary);
}

.resource-card:hover svg {
  color: var(--accent);
}

.resource-card div {
  display: flex;
  flex-direction: column;
}

.resource-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.resource-desc {
  font-size: 12.5px;
  color: var(--text-tertiary);
}

/* ── Footer ── */
.site-footer {
  margin-top: auto;
  padding: 24px 60px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-sep {
  color: var(--text-muted);
}

.footer-inner a {
  color: var(--text-muted);
  transition: color 0.15s var(--ease);
}

.footer-inner a:hover {
  color: var(--accent);
}

/* ── Toast notification ── */
.copy-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--accent-border);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: var(--font-mono);
  z-index: 1000;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s var(--ease);
  pointer-events: none;
}

.copy-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   Prism.js Override — Match our dark theme
   ═══════════════════════════════════════════════════════════ */

pre[class*="language-"],
code[class*="language-"] {
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  text-shadow: none !important;
}

pre[class*="language-"] {
  background: var(--code-bg) !important;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #5c6370 !important;
}

.token.property,
.token.tag,
.token.constant,
.token.symbol,
.token.deleted {
  color: #e06c75 !important;
}

.token.boolean,
.token.number {
  color: #d19a66 !important;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #98c379 !important;
}

.token.operator,
.token.entity,
.token.url {
  color: #56b6c2 !important;
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: #c678dd !important;
}

.token.function,
.token.class-name {
  color: #61afef !important;
}

.token.regex,
.token.important,
.token.variable {
  color: #c678dd !important;
}

.token.punctuation {
  color: #abb2bf !important;
}

/* ═══════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .mobile-header {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s var(--ease);
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding-top: 52px;
  }

  .content-wrapper {
    padding: 28px 20px 60px;
  }

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

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

  .state-node {
    padding: 8px 14px;
    font-size: 12px;
  }

  .branch-label {
    min-width: auto;
    font-size: 11px;
  }

  .site-footer {
    padding: 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 4px;
  }

  .footer-sep {
    display: none;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 17px;
  }

  .api-table td code {
    font-size: 11.5px;
  }

  .address-table td:first-child {
    width: auto;
    font-size: 12px;
  }

  .address-code {
    font-size: 11px !important;
  }
}

@media (max-width: 480px) {
  .content-wrapper {
    padding: 24px 16px 48px;
  }

  .lifecycle-flow {
    padding: 18px 14px;
  }

  pre code {
    padding: 14px 16px;
    font-size: 12px;
  }
}

/* ── Focus styles ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* ── Print ── */
@media print {
  .sidebar,
  .mobile-header,
  .sidebar-overlay,
  .copy-btn,
  .copy-code-btn,
  .explorer-link {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  body {
    background: #fff;
    color: #111;
  }
}