/* Sidebar layout */
:root {
  --th-sidebar-width: 236px;
  --th-sidebar-collapsed-width: 72px;
  --th-sidebar-text: #9aa6bd;
  --th-sidebar-text-strong: #eef2f8;
  --th-sidebar-muted: #748198;
  --th-sidebar-border: rgba(148, 163, 184, 0.18);
  --th-sidebar-surface: rgba(13, 20, 34, 0.82);
  --th-sidebar-hover: rgba(78, 168, 222, 0.12);
  --th-sidebar-active: rgba(78, 168, 222, 0.18);
}

.sidebar {
  grid-column: 1;
  position: sticky;
  top: var(--page-top-gap);
  align-self: stretch;
  width: var(--th-sidebar-width);
  min-width: var(--th-sidebar-width);
  max-width: var(--th-sidebar-width);
  min-height: calc(100vh - (var(--page-top-gap) * 2));
  height: auto;
  max-height: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  overflow-y: visible;
  overflow-x: hidden;
  color: var(--th-sidebar-text);
  background: var(--th-sidebar-surface);
  border: 1px solid var(--th-sidebar-border);
  border-radius: 10px;
  box-shadow: 0 16px 32px rgba(6, 10, 20, 0.28);
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.25) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.25);
}

body.sidebar-collapsed .app-shell {
  grid-template-columns: var(--th-sidebar-collapsed-width) 1fr;
}

body.sidebar-collapsed .sidebar {
  width: var(--th-sidebar-collapsed-width);
  min-width: var(--th-sidebar-collapsed-width);
  max-width: var(--th-sidebar-collapsed-width);
  padding: 10px;
}

.sidebar-toggle {
  position: fixed;
  top: calc(var(--page-top-gap) + 12px);
  left: calc(24px + var(--th-sidebar-width) - 12px);
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--th-sidebar-border);
  background: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  z-index: 80;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(6, 10, 20, 0.35);
}

body.sidebar-collapsed .sidebar-toggle {
  left: calc(24px + var(--th-sidebar-collapsed-width) - 12px);
}

.sidebar-toggle-bar {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: #e2e8f0;
  display: block;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 20, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
  z-index: 55;
}

body.sidebar-open .sidebar-backdrop {
  opacity: 1;
  visibility: visible;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 4px 4px 12px;
  border-bottom: 1px solid var(--th-sidebar-border);
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: #111827;
  border: 1px solid var(--th-sidebar-border);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-name {
  font-weight: 600;
  letter-spacing: 0;
  color: var(--th-sidebar-text-strong);
}

.brand-sub {
  display: none;
}

.nav {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  gap: 2px;
  padding: 2px 0;
}

.nav-section {
  margin: 10px 0 2px;
}

.nav-section-toggle {
  width: 100%;
  min-height: 28px;
  padding: 4px 6px;
  border: 0;
  background: transparent;
  color: var(--th-sidebar-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.66rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.nav-section-toggle::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.16s ease;
}

.nav-section-toggle.is-collapsed::after {
  transform: rotate(-45deg);
}

.nav-group {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.nav-group.is-collapsed {
  display: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  min-width: 0;
  padding: 0 8px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--th-sidebar-text);
  text-decoration: none;
  overflow: hidden;
  transition: background-color 0.14s ease, border-color 0.14s ease, color 0.14s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--th-sidebar-text-strong);
  background: var(--th-sidebar-hover);
  border-color: rgba(78, 168, 222, 0.22);
  outline: none;
}

.nav-link.active {
  color: var(--th-sidebar-text-strong);
  background: var(--th-sidebar-active);
  border-color: rgba(78, 168, 222, 0.34);
}

.nav-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: currentColor;
}

.nav-icon svg {
  width: 17px;
  height: 17px;
}

.nav-text {
  flex: 1;
  min-width: 0;
  font-size: 0.84rem;
  font-weight: 500;
  color: currentColor;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.nav-badge {
  margin-left: auto;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.55);
  color: var(--th-sidebar-muted);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  flex: 0 0 auto;
}

.nav-badge.warning {
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.32);
}

.nav-badge.success {
  color: var(--success);
  border-color: rgba(52, 211, 153, 0.32);
}

body.sidebar-collapsed .brand {
  justify-content: center;
  padding: 2px 0 10px;
}

body.sidebar-collapsed .brand > div:last-child,
body.sidebar-collapsed .nav-section,
body.sidebar-collapsed .nav-text,
body.sidebar-collapsed .nav-badge {
  display: none;
}

body.sidebar-collapsed .nav-group,
body.sidebar-collapsed .nav-group.is-collapsed {
  display: grid;
}

body.sidebar-collapsed .nav-link {
  justify-content: center;
  padding: 0;
  position: relative;
}

body.sidebar-collapsed .nav-link::after {
  content: attr(data-label);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid rgba(78, 168, 222, 0.28);
  background: rgba(10, 17, 30, 0.96);
  color: var(--th-sidebar-text-strong);
  white-space: nowrap;
  font-size: 0.76rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 90;
}

body.sidebar-collapsed .nav-link:hover::after,
body.sidebar-collapsed .nav-link:focus-visible::after {
  opacity: 1;
  visibility: visible;
}

body[data-theme="alt"] {
  --th-sidebar-text: #536174;
  --th-sidebar-text-strong: #111827;
  --th-sidebar-muted: #6b7280;
  --th-sidebar-border: rgba(148, 163, 184, 0.34);
  --th-sidebar-surface: rgba(248, 250, 252, 0.9);
  --th-sidebar-hover: rgba(47, 120, 196, 0.09);
  --th-sidebar-active: rgba(47, 120, 196, 0.14);
}

body[data-theme="alt"] .sidebar-toggle,
body[data-theme="alt"] .brand-mark {
  background: #f1f5f9;
}

body[data-theme="alt"] .sidebar-toggle-bar {
  background: #111827;
}

body[data-theme="alt"] .nav-badge {
  background: #f8fafc;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: var(--page-top-gap) 16px 16px;
  }

  body.sidebar-collapsed .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: var(--page-top-gap) auto var(--page-top-gap) 16px;
    width: min(var(--th-sidebar-width), calc(100vw - 32px));
    min-width: 0;
    max-width: calc(100vw - 32px);
    height: auto;
    min-height: 0;
    max-height: calc(100vh - (var(--page-top-gap) * 2));
    overflow-y: auto;
    transform: translateX(calc(-100% - 24px));
    transition: transform 0.18s ease;
    z-index: 70;
  }

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

  body.sidebar-collapsed .sidebar {
    width: min(var(--th-sidebar-width), calc(100vw - 32px));
    min-width: 0;
    max-width: calc(100vw - 32px);
  }

  body.sidebar-collapsed .brand > div:last-child,
  body.sidebar-collapsed .nav-section {
    display: block;
  }

  body.sidebar-collapsed .nav-text {
    display: block;
  }

  body.sidebar-collapsed .nav-badge {
    display: inline-block;
  }

  body.sidebar-collapsed .brand {
    justify-content: flex-start;
  }

  body.sidebar-collapsed .nav-link {
    justify-content: flex-start;
    padding: 0 8px;
  }

  body.sidebar-collapsed .nav-link::after {
    display: none;
  }

  .sidebar-toggle,
  body.sidebar-collapsed .sidebar-toggle {
    left: 16px;
    top: 16px;
  }

  .main {
    padding-top: 36px;
  }
}