/* ============================================
   ECP Pay — Documentation Site
   Design System: Dark Theme + Lime Accent
   ============================================ */

:root {
  --bg: #0b0f14;
  --surface: #131c28;
  --surface-2: #0f1620;
  --lime: #b7ff2a;
  --lime-dim: rgba(183, 255, 42, 0.12);
  --text: #eaf2ff;
  --text-2: #a9b7cc;
  --muted: #7b8aa3;
  --border: #1c2836;
  --success: #3dff8b;
  --danger: #ff4d4d;
  --info: #4da3ff;
  --warning: #ffcc00;
  --radius: 12px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --sidebar-w: 280px;
  --topbar-h: 60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas: "sidebar topbar" "sidebar content";
}
a { color: var(--lime); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.85; text-decoration: underline; }
code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--lime);
}
pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 12px 0;
}
pre code { background: none; padding: 0; }

.sidebar {
  grid-area: sidebar; background: var(--surface); border-right: 1px solid var(--border);
  padding: 24px 0; display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100vh; overflow-y: auto; z-index: 100;
}
.sidebar-logo { display: flex; align-items: center; gap: 10px; padding: 0 24px 24px; border-bottom: 1px solid var(--border); margin-bottom: 16px; font-size: 1.05rem; font-weight: 700; color: var(--text); }
.sidebar-logo .logo-icon { font-size: 1.5rem; color: var(--lime); }
.sidebar-nav { list-style: none; display: flex; flex-direction: column; gap: 2px; padding: 0 12px; flex: 1; }
.sidebar-nav li a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; color: var(--text-2); font-size: 0.9rem; font-weight: 500; transition: all 0.15s; text-decoration: none; }
.sidebar-nav li a:hover { background: var(--lime-dim); color: var(--text); text-decoration: none; opacity: 1; }
.sidebar-nav li a.active { background: var(--lime-dim); color: var(--lime); font-weight: 600; }
.sidebar-nav li a .nav-icon { width: 20px; text-align: center; font-size: 1rem; flex-shrink: 0; }
.sidebar-section-title { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); padding: 16px 12px 6px; font-weight: 600; }
.sidebar-footer { padding: 16px 12px; border-top: 1px solid var(--border); margin-top: auto; }
.sidebar-footer a { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 8px; color: var(--muted); font-size: 0.8rem; font-weight: 500; text-decoration: none; transition: all 0.15s; }
.sidebar-footer a:hover { background: var(--lime-dim); color: var(--text); text-decoration: none; opacity: 1; }

.topbar { grid-area: topbar; background: var(--surface); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 32px; position: fixed; top: 0; left: var(--sidebar-w); right: 0; height: var(--topbar-h); z-index: 90; }
.topbar-title { font-size: 1rem; font-weight: 600; color: var(--text); }
.topbar-meta { font-size: 0.8rem; color: var(--muted); display: flex; align-items: center; gap: 16px; }
.topbar-meta .status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.topbar-meta .status-dot.green { background: var(--success); }

.content { grid-area: content; padding: 32px; margin-top: var(--topbar-h); max-width: 1100px; width: 100%; }
.content > h1 { font-size: 1.75rem; font-weight: 700; margin-bottom: 8px; }
.content > .subtitle { font-size: 1rem; color: var(--text-2); margin-bottom: 32px; }
.content h2 { font-size: 1.35rem; font-weight: 700; color: var(--text); margin: 40px 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.content h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); margin: 24px 0 12px; }
.content h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-2); margin: 16px 0 8px; }
.content p { color: var(--text-2); margin-bottom: 12px; line-height: 1.7; }
.content ul, .content ol { color: var(--text-2); padding-left: 24px; margin-bottom: 12px; }
.content li { margin-bottom: 6px; line-height: 1.6; }
.section { margin-bottom: 40px; }

.artifact-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; transition: border-color 0.2s; }
.artifact-card:hover { border-color: rgba(183, 255, 42, 0.25); }
.artifact-card.highlighted { border-left: 3px solid var(--lime); }
.artifact-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; margin-bottom: 6px; }
.artifact-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.artifact-body { color: var(--text-2); font-size: 0.9rem; line-height: 1.7; }
.artifact-body strong { color: var(--text); font-weight: 600; }
.artifact-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; font-size: 0.8rem; color: var(--muted); }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.badge.approved { background: rgba(61, 255, 139, 0.12); color: var(--success); }
.badge.pending { background: rgba(255, 204, 0, 0.12); color: var(--warning); }
.badge.info { background: rgba(77, 163, 255, 0.12); color: var(--info); }
.badge.lime { background: var(--lime-dim); color: var(--lime); }
.badge.neutral { background: rgba(123, 138, 163, 0.12); color: var(--muted); }
.badge.danger { background: rgba(255, 77, 77, 0.12); color: var(--danger); }

.kr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kr-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.kr-card .kr-id { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--lime); font-weight: 700; margin-bottom: 6px; }
.kr-card .kr-description { font-size: 0.9rem; color: var(--text); font-weight: 600; margin-bottom: 4px; }
.kr-card .kr-meta { font-size: 0.8rem; color: var(--text-2); margin-bottom: 12px; }
.kr-card .kr-metric { font-size: 0.78rem; color: var(--muted); margin-bottom: 12px; font-style: italic; }
.progress-bar { width: 100%; height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.progress-bar .progress-fill { height: 100%; border-radius: 3px; background: var(--lime); transition: width 0.6s ease; }
.progress-bar .progress-fill.low { background: var(--danger); }
.progress-bar .progress-fill.mid { background: var(--warning); }
.progress-bar .progress-fill.high { background: var(--lime); }
.progress-label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--muted); margin-top: 4px; }

.adr-card { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--info); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 16px; }
.adr-card .adr-id { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--info); font-weight: 700; margin-bottom: 4px; }
.adr-card .adr-title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.adr-card .adr-status { font-size: 0.75rem; color: var(--success); font-weight: 600; margin-bottom: 8px; }
.adr-card .adr-body { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; }

.epic-block { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--lime); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.epic-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.epic-id { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--lime); font-weight: 700; white-space: nowrap; }
.epic-title { font-size: 1.05rem; font-weight: 700; color: var(--text); }
.epic-description { font-size: 0.88rem; color: var(--text-2); line-height: 1.7; margin-bottom: 16px; }
.feature-list { display: flex; flex-direction: column; gap: 10px; margin-left: 16px; padding-left: 16px; border-left: 2px solid var(--border); }
.feature-item { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.feature-id { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--info); font-weight: 700; }
.feature-title { font-size: 0.9rem; font-weight: 600; color: var(--text); margin-top: 2px; }
.feature-description { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }
.story-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; margin-left: 12px; padding-left: 12px; border-left: 2px solid rgba(123, 138, 163, 0.2); }
.story-item { padding: 8px 12px; background: rgba(11, 15, 20, 0.4); border-radius: 6px; font-size: 0.8rem; color: var(--text-2); }
.story-id { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--warning); font-weight: 700; }

.risk-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 24px; }
.risk-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.risk-card .risk-type { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; margin-bottom: 6px; }
.risk-card .risk-verdict { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.risk-card .risk-body { font-size: 0.82rem; color: var(--text-2); line-height: 1.6; }

.timeline { position: relative; padding-left: 32px; margin: 24px 0; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 24px; }
.timeline-item::before { content: ''; position: absolute; left: -26px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--lime); border: 2px solid var(--surface); }
.timeline-item .timeline-phase { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--lime); font-weight: 700; }
.timeline-item .timeline-title { font-size: 0.95rem; font-weight: 600; color: var(--text); margin: 2px 0; }
.timeline-item .timeline-desc { font-size: 0.82rem; color: var(--text-2); }

.data-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.85rem; }
.data-table th { text-align: left; padding: 10px 14px; background: var(--surface-2); color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; border-bottom: 1px solid var(--border); }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-2); vertical-align: top; }
.data-table tr:hover td { background: rgba(183, 255, 42, 0.03); }
.data-table td:first-child { color: var(--text); font-weight: 500; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quick-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 20px 0; }
.quick-link { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-decoration: none; color: var(--text); font-weight: 500; font-size: 0.9rem; transition: all 0.15s; }
.quick-link:hover { border-color: var(--lime); background: var(--lime-dim); text-decoration: none; opacity: 1; }
.quick-link .ql-icon { font-size: 1.3rem; }
.file-ref { display: inline-flex; align-items: center; gap: 4px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; font-size: 0.75rem; color: var(--text-2); font-family: 'JetBrains Mono', monospace; margin: 2px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 16px 0; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-align: center; }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 700; color: var(--lime); margin-bottom: 4px; }
.stat-card .stat-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.mermaid { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin: 16px 0; text-align: center; }

.rules-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 10px; margin: 16px 0; }
.rule-item { display: flex; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; font-size: 0.85rem; }
.rule-item .rule-id { color: var(--warning); font-weight: 700; font-size: 0.75rem; white-space: nowrap; }
.rule-item .rule-text { color: var(--text-2); }

.endpoint { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: 0.85rem; font-family: 'JetBrains Mono', monospace; }
.endpoint .method { display: inline-block; width: 60px; text-align: center; font-size: 0.7rem; font-weight: 700; padding: 2px 6px; border-radius: 4px; }
.method.get { background: rgba(77, 163, 255, 0.15); color: var(--info); }
.method.post { background: rgba(61, 255, 139, 0.15); color: var(--success); }
.method.patch { background: rgba(255, 204, 0, 0.15); color: var(--warning); }
.method.delete { background: rgba(255, 77, 77, 0.15); color: var(--danger); }
.endpoint .path { color: var(--text-2); }

.slo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px; margin: 16px 0; }
.slo-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.slo-card .slo-name { font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.slo-card .slo-target { font-size: 1.15rem; font-weight: 700; color: var(--lime); margin-bottom: 4px; }
.slo-card .slo-desc { font-size: 0.78rem; color: var(--muted); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

@media (max-width: 1024px) {
  body { grid-template-columns: 1fr; grid-template-areas: "topbar" "content"; }
  .sidebar { display: none; }
  .topbar { left: 0; }
  .content { margin-left: 0; padding: 24px 16px; }
  .two-col, .three-col { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .kr-grid, .risk-grid, .quick-links, .stat-grid, .rules-list, .slo-grid { grid-template-columns: 1fr; }
  .content > h1 { font-size: 1.4rem; }
  .content h2 { font-size: 1.15rem; }
}