:root {
  --bg: #F6F5F3;
  --panel: #FFFFFF;
  --border: #E2E0DB;
  --border-strong: #C9C6BE;
  --ink: #171716;
  --ink-soft: #6B6862;
  --ink-faint: #9A968D;
  --accent: #7A3535;
  --accent-soft: #F2EAEA;
  --accent-dark: #521E1E;
  --ok: #2F8F4E;
  --ok-soft: #E3F1E7;
  --sidebar-w: 200px;
  --hero-dark: #141210;
  --hero-dark-panel: #1C1A17;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Geist', -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

section[id] { scroll-margin-top: 52px; }

.mono { font-family: 'JetBrains Mono', monospace; }
a { text-decoration: none; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sb-top {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}

.sb-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.sb-logo img { height: 22px; width: auto; display: block; }

.sb-tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.sb-nav-section { padding: 16px 12px 8px; }

.sb-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 0 6px;
  margin-bottom: 6px;
}

.sb-nav { list-style: none; }

.sb-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 7px 8px;
  border-radius: 5px;
  margin-bottom: 1px;
  transition: background 0.12s, color 0.12s;
}

.sb-item a {
  display: flex;
  align-items: center;
  gap: 9px;
  color: inherit;
  width: calc(100% + 16px);
  margin: -7px -8px;
  padding: 7px 8px;
}

.sb-item svg { flex-shrink: 0; opacity: 0.5; }
.sb-item.active svg { opacity: 1; }

@media (hover: hover) { .sb-item:hover { background: var(--bg); color: var(--ink); } }

.sb-item.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 500;
}

.sb-focus {
  padding: 12px 18px 16px;
  border-top: 1px solid var(--border);
}

.sb-focus-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

.sb-tags { display: flex; flex-wrap: wrap; gap: 5px; }

.sb-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 7px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  color: var(--ink-faint);
}

.sb-footer {
  margin-top: auto;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
}

.sb-footer-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sb-ok-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ok);
  flex-shrink: 0;
  animation: pulse 2.5s infinite;
}

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }

/* ===== MAIN ===== */
.main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  min-width: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
}

/* ===== TOPBAR ===== */
.topbar {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  background: rgba(246,245,243,0.93);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
  gap: 20px;
  flex-shrink: 0;
  min-width: 0;
}

.topbar > div:first-child {
  min-width: 0;
  overflow: hidden;
  flex: 1;
}

.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.breadcrumb .sep { margin: 0 5px; }
.breadcrumb .current { color: var(--ink); }

.topbar-right {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.topbar-right .ok-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ok);
  animation: pulse 2.5s infinite;
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 30px; height: 30px;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  cursor: pointer;
  flex-shrink: 0;
}
.hamburger span { width: 13px; height: 1.5px; background: var(--ink); margin: 0 auto; border-radius: 1px; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(23,22,19,0.35); z-index: 99; }
.sidebar-overlay.show { display: block; }

@media (max-width: 880px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-100%); transition: transform 0.22s ease; width: 240px; z-index: 200; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .hamburger { display: flex; }
  .topbar-right { display: none; }
  .topbar { padding: 0 16px; }
  footer { padding: 18px 24px; }
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
}

.footer-logo img,
footer img {
  height: 20px;
  width: auto;
  opacity: 0.72;
}

.footer-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
}

.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  transition: color 0.12s;
}
@media (hover:hover) { .footer-nav a:hover { color: var(--ink); } }

/* ===== COMMAND PALETTE ===== */
.cmdk-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(23,22,19,0.55);
  z-index: 500;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 16px 0;
}
.cmdk-overlay.open { display: flex; }

.cmdk-box {
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  width: 100%;
  max-width: 560px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
  overflow: hidden;
}

.cmdk-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.cmdk-input-row svg { color: var(--ink-faint); flex-shrink: 0; }

#cmdkInput {
  flex: 1;
  border: none;
  outline: none;
  background: none;
  font-family: 'Geist', sans-serif;
  font-size: 15px;
  color: var(--ink);
}
#cmdkInput::placeholder { color: var(--ink-faint); }

.cmdk-hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.cmdk-results { max-height: 360px; overflow-y: auto; }

.cmdk-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  cursor: pointer;
  transition: background 0.08s;
  gap: 14px;
}
.cmdk-item:hover, .cmdk-item.active { background: var(--bg); }

.cmdk-item-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.cmdk-item-title { font-size: 13.5px; color: var(--ink); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk-item-desc { font-size: 11.5px; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.cmdk-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 7px;
  flex-shrink: 0;
  white-space: nowrap;
}

.cmdk-empty {
  padding: 28px 18px;
  font-size: 13px;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
}

.cmdk-footer {
  border-top: 1px solid var(--border);
  padding: 8px 18px;
  display: flex;
  gap: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
}
.cmdk-footer span { display: flex; align-items: center; gap: 4px; }
.cmdk-footer kbd {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
}

.cmdk-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--panel);
  font-family: 'Geist', sans-serif;
  font-size: 12px;
  color: var(--ink-faint);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
  flex: 1;
  max-width: 340px;
}
.cmdk-trigger:hover { border-color: var(--accent); color: var(--ink); }
.cmdk-trigger .cmdk-trigger-icon { color: var(--ink-faint); }
.cmdk-trigger .cmdk-trigger-shortcut {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--border-strong);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
}

@media (max-width: 880px) {
  .cmdk-trigger { max-width: 36px; min-width: 36px; padding: 6px; justify-content: center; border-radius: 7px; }
  .cmdk-trigger-text { display: none; }
  .cmdk-trigger .cmdk-trigger-shortcut { display: none; }
}

@media (max-width: 600px) {
  .cmdk-overlay { padding: 0; align-items: flex-start; }
  .cmdk-box { border-radius: 0 0 12px 12px; max-width: 100%; }
  .cmdk-results { max-height: calc(100svh - 130px); }
  .cmdk-footer { display: none; }
  .cmdk-hint { display: none; }
  #cmdkInput { font-size: 16px; }
  .cmdk-input-row { padding: 14px 16px; }
}

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}