/* DogeGo app-style topbar + sidebar shell (matches ui/static/app.css) */

:root {
  --sidebar: #1b1f24;
  --sidebar-text: #e8eaed;
  --sidebar-muted: #9aa3ad;
  --accent: #c2a633;
  --topbar-h: 52px;
  --sidebar-w: 240px;
  --sidebar-rail-w: 72px;
  --shell-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  background: var(--sidebar);
}

body::before {
  display: none;
}

.topbar-chrome {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.topbar-chrome[hidden] {
  display: none !important;
}

.sidebar-foot {
  margin-top: auto;
  padding: 12px 8px 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.sidebar-foot[hidden] {
  display: none !important;
}

.sidebar-foot .lang-picker {
  width: 100%;
}

.sidebar-foot .lang-picker-btn {
  width: 100%;
  justify-content: center;
}

.sidebar-foot .lang-picker-menu {
  left: 0;
  right: 0;
  top: auto;
  bottom: calc(100% + 6px);
}

.sidebar-foot .topbar-foundation {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 6px 4px;
  opacity: 0.92;
}

.sidebar-foot .topbar-foundation:hover {
  opacity: 1;
}

.sidebar-foot .topbar-foundation img {
  height: 26px;
  width: auto;
  max-width: 160px;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--topbar-h);
  padding: 0 16px;
  background: var(--sidebar);
  color: var(--sidebar-text);
  border-bottom: 3px solid var(--accent);
  font-family: var(--shell-font);
  flex-shrink: 0;
}

.topbar-home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.topbar-home:hover {
  color: #fff;
}

.topbar img {
  width: 28px;
  height: 28px;
}

.topbar-brand {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
}

.topbar-ver {
  font-size: 12px;
  color: var(--sidebar-muted);
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
}

.topbar-spacer {
  flex: 1;
}

.badge-site {
  display: none;
}

.topbar .badge-beta {
  background: rgba(194, 166, 51, 0.25);
  color: #fde68a;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 6px;
}

.topbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  background: rgba(194, 166, 51, 0.22);
  border: 1px solid rgba(194, 166, 51, 0.45);
  color: #fff;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.topbar-cta:hover {
  background: rgba(194, 166, 51, 0.32);
  border-color: var(--accent);
  color: #fff;
}

.topbar-cta .material-icons-round {
  font-size: 18px;
}

.topbar-foundation {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 0.92;
  transition: opacity 0.15s;
}

.topbar-foundation:hover {
  opacity: 1;
}

.topbar-foundation img {
  width: auto;
  height: 22px;
  max-width: min(120px, 24vw);
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.lang-picker {
  position: relative;
  flex-shrink: 0;
}

.lang-picker-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 10px 0 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--sidebar-text);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.lang-picker-btn:hover,
.lang-picker-btn:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
}

.lang-picker-btn .material-icons-round {
  font-size: 18px;
  opacity: 0.9;
}

.lang-picker-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 11rem;
  padding: 0.35rem;
  background: #fff;
  border: 1px solid #d8dce3;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  z-index: 400;
}

.lang-picker-menu[hidden] {
  display: none;
}

.lang-picker-menu button {
  display: block;
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #1a1d21;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.lang-picker-menu button:hover,
.lang-picker-menu button:focus-visible {
  background: #eef0f3;
}

.lang-picker-menu button[aria-selected="true"] {
  background: rgba(196, 154, 60, 0.12);
  color: #9a8428;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--sidebar-text);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle .material-icons-round {
  font-size: 22px;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.45);
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

.nav-backdrop.show {
  display: block;
}

.shell {
  flex: 1 1 auto;
  display: block;
  position: relative;
  margin-top: calc(var(--topbar-h) + var(--code-review-banner-h, 0px));
  min-height: calc(100dvh - var(--topbar-h) - var(--code-review-banner-h, 0px));
  width: 100%;
  font-family: var(--shell-font);
}

.sidebar {
  position: fixed;
  top: calc(var(--topbar-h) + var(--code-review-banner-h, 0px));
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  z-index: 100;
  flex-shrink: 0;
  background: var(--sidebar);
  padding: 12px 8px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  overflow-x: hidden;
  transform: none;
  transition: width 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--sidebar-muted);
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.sidebar .nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sidebar-text);
}

.sidebar .nav-item.active {
  background: rgba(194, 166, 51, 0.18);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--accent);
}

.sidebar .nav-item .material-icons-round.nav-icon {
  font-size: 20px;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
}

.sidebar .nav-item:hover .nav-icon,
.sidebar .nav-item.active .nav-icon {
  color: #fff;
}

.nav-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 8px 4px;
}

.nav-group-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-muted);
  padding: 10px 12px 4px;
  margin: 0;
  opacity: 0.85;
}

.nav-group-label:first-child {
  padding-top: 4px;
}

.site-main {
  margin-left: var(--sidebar-w);
  min-width: 0;
  min-height: calc(100dvh - var(--topbar-h) - var(--code-review-banner-h, 0px));
  transition: margin-left 0.22s ease;
  font-family: var(--shell-font);
  font-size: 14px;
  line-height: 1.5;
  --bg: #f4f5f7;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fb;
  --bg-input: #eef0f3;
  --text: #1a1d21;
  --text-muted: #5c6570;
  --text-dim: #5c6570;
  --border: #d8dce3;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 4px 20px rgba(0, 0, 0, 0.06);
  background: var(--bg);
  color: var(--text);
}

.site-main code {
  color: #9a8428;
  background: #eef0f3;
}

.site-main .hero {
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.site-main .section-alt {
  background: #eef0f3;
}

.site-main .site-footer {
  --text: #e8eaed;
  --text-muted: #9aa3ad;
  --text-dim: #9aa3ad;
  --border: rgba(255, 255, 255, 0.1);
  --bg-card: rgba(255, 255, 255, 0.04);
  background: var(--sidebar);
  color: var(--sidebar-text);
}

.site-main .site-footer code {
  background: rgba(255, 255, 255, 0.08);
  color: #fde68a;
}

/* Desktop collapsed rail (matches app) */
@media (min-width: 901px) {
  .shell.sidebar-collapsed .sidebar {
    width: var(--sidebar-rail-w);
  }

  .shell.sidebar-collapsed .site-main {
    margin-left: var(--sidebar-rail-w);
  }

  .shell.sidebar-collapsed .sidebar:hover,
  .shell.sidebar-collapsed .sidebar:focus-within {
    width: var(--sidebar-w);
    z-index: 120;
    box-shadow: 4px 0 28px rgba(0, 0, 0, 0.28);
  }

  .shell.sidebar-collapsed:has(.sidebar:hover) .site-main,
  .shell.sidebar-collapsed:has(.sidebar:focus-within) .site-main {
    margin-left: var(--sidebar-w);
  }

  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) {
    overflow: hidden;
  }

  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-label,
  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-group-label,
  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-divider {
    display: none;
  }

  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-item {
    justify-content: center;
    gap: 0;
    padding: 11px 8px;
  }

  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-item.active {
    box-shadow: inset 0 0 0 2px rgba(194, 166, 51, 0.45);
  }

  .shell.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-item .nav-icon {
    font-size: 22px;
    width: 24px;
    height: 24px;
  }

  .shell.sidebar-collapsed .sidebar:hover .nav-item,
  .shell.sidebar-collapsed .sidebar:focus-within .nav-item {
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 12px;
  }
}

/* Mobile drawer */
@media (max-width: 900px) {
  .desktop-only {
    display: none !important;
  }

  .topbar {
    padding: 8px 12px;
    gap: 8px;
  }

  .sidebar {
    display: flex;
    flex-direction: column;
    transform: translateX(-105%);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    width: min(280px, 88vw);
  }

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

  .site-main {
    margin-left: 0 !important;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .site-main {
    transition: none;
  }
}