/* App shell styles — supplements styles.css */

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

[data-density="compact"] .main-content { padding: 32px 56px 96px; }
[data-density="comfortable"] .main-content { padding: 48px 72px 120px; }
[data-density="spacious"] .main-content { padding: 64px 96px 160px; }

/* Sidebar (light variant when toggled) */
[data-sidebar="light"] .sidebar {
  background: #FFFFFF;
  color: var(--rs-ink);
  border-right: 1px solid var(--rs-border);
}
[data-sidebar="light"] .sb-group-label { color: var(--rs-text-muted); }
[data-sidebar="light"] .sb-link { color: var(--rs-text); }
[data-sidebar="light"] .sb-link:hover { background: rgba(46,48,145,0.06); color: var(--rs-indigo); }
[data-sidebar="light"] .sb-link.active {
  background: linear-gradient(90deg, rgba(0,219,238,0.10), rgba(46,48,145,0.10));
  color: var(--rs-indigo);
}
[data-sidebar="light"] .sb-search input {
  background: var(--rs-bg);
  border: 1px solid var(--rs-border);
  color: var(--rs-ink);
}
[data-sidebar="light"] .sb-foot {
  background: var(--rs-bg);
  border-color: var(--rs-border);
  color: var(--rs-text-muted);
}
[data-sidebar="light"] .sb-foot-label { color: var(--rs-indigo); }

.sidebar {
  background: #0C2125;
  color: #fff;
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sb-brand {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-width: 0;
}
.sb-brand .logo-mark { flex-shrink: 0; }
.sb-brand-meta { line-height: 1.2; min-width: 0; flex: 1; overflow: hidden; }
.sb-brand-title { font-weight: 800; font-size: 12.5px; letter-spacing: 0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-brand-version { font-size: 9.5px; opacity: 0.5; text-transform: uppercase; letter-spacing: 0.14em; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.sb-search { margin-bottom: 16px; }
.sb-search input {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: #fff;
  font-family: inherit;
  font-size: 12.5px;
  outline: none;
  transition: border-color 160ms var(--ease-standard);
}
.sb-search input:focus { border-color: var(--rs-cyan); }
.sb-search input::placeholder { color: rgba(255,255,255,0.4); }

.sb-nav { flex: 1; overflow-y: auto; overflow-x: hidden; }
.sb-group { margin-bottom: 18px; }
.sb-group-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.18em;
  opacity: 0.45; margin-bottom: 6px; font-weight: 700;
  padding: 0 12px;
}
.sb-link {
  display: block;
  padding: 7px 12px;
  border-radius: 8px;
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 160ms var(--ease-standard), color 160ms var(--ease-standard);
  text-decoration: none;
  word-break: break-word;
}
.sb-link:hover { background: rgba(255,255,255,0.06); color: #fff; text-decoration: none; }
.sb-link.active {
  background: linear-gradient(90deg, rgba(0,219,238,0.18), rgba(46,48,145,0.18));
  color: #fff;
  box-shadow: inset 2px 0 0 var(--rs-cyan);
}

.sb-foot {
  margin-top: 16px; padding: 14px;
  background: rgba(0,219,238,0.06);
  border: 1px solid rgba(0,219,238,0.18);
  border-radius: 10px;
  font-size: 11.5px;
  line-height: 1.5;
  color: rgba(255,255,255,0.6);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.sb-foot-label {
  font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.18em;
  font-weight: 700; color: var(--rs-cyan);
  margin-bottom: 4px;
}
.sb-foot p { margin: 0; }

/* Main */
.main {
  height: 100vh;
  overflow-y: auto;
  background: var(--rs-bg);
}

.main-bar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(247,248,251,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rs-border);
  padding: 14px 72px;
  display: flex; align-items: center; justify-content: space-between;
}
.crumbs {
  font-size: 12px; color: var(--rs-text-muted);
  display: flex; gap: 8px; align-items: center;
}
.crumbs .sep { opacity: 0.4; }
.crumbs .current { color: var(--rs-ink); font-weight: 600; }

.main-bar-actions { display: flex; gap: 10px; align-items: center; }
.bar-link {
  font-size: 12.5px; padding: 6px 12px; border-radius: 6px;
  color: var(--rs-text-muted);
}
.bar-link:hover { color: var(--rs-indigo); background: rgba(46,48,145,0.06); text-decoration: none; }
.bar-cta {
  font-family: inherit;
  background: var(--rs-cta-fill);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 200ms var(--ease-standard), box-shadow 200ms var(--ease-standard);
}
.bar-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(241,91,39,0.32); }

.main-content {
  padding: 48px 72px 120px;
  max-width: 1280px;
}

/* Page footer nav */
.page-foot {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--rs-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.page-foot-link {
  display: block;
  padding: 18px 22px;
  border-radius: 12px;
  border: 1px solid var(--rs-border);
  background: var(--rs-bg-elev);
  color: var(--rs-ink);
  transition: all 240ms var(--ease-standard);
}
.page-foot-link:hover {
  border-color: var(--rs-indigo);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(46,48,145,0.1);
  text-decoration: none;
}
.page-foot-link.next { text-align: right; }
.page-foot-link .dir {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.16em;
  font-weight: 700; color: var(--rs-text-muted);
  margin-bottom: 4px;
}
.page-foot-link .lab { font-size: 16px; font-weight: 700; }
.page-foot-link:hover .dir { color: var(--rs-indigo); }

/* Section header (inside pages) */
.sec-header { margin-bottom: 48px; }

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 240px 1fr; }
  .main-bar, .main-content { padding-left: 32px; padding-right: 32px; }
  /* At 240px sidebar, the logo + meta block can't both fit. Drop the meta. */
  .sb-brand-meta { display: none; }
}