/* Shared Layout Primitives */
.page {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
}

.layout {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.row {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

.header {
  position: sticky;
  top: 8px;
  z-index: 40;
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  gap: 10px;
  flex-wrap: wrap;
  border: 1px solid color-mix(in srgb, var(--border) 68%, transparent);
  border-radius: 22px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--border) 72%, transparent),
    0 18px 44px -30px rgba(15, 23, 42, .28);
}

.header-title {
  margin: 0;
  margin-right: auto;
  font-size: 1.03rem;
  letter-spacing: .08em;
  text-transform: none;
}

.header-title__link {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: flex-end;
  transition: transform .12s ease;
}

.header-title__link:hover {
  transform: translateY(-1px);
}

.header-title__link:focus-visible {
  outline: 3px solid hsl(var(--ring-hsl) / .35);
  outline-offset: 2px;
  transform: translateY(-1px);
}

.header-sub {
  font-size: .6em;
  letter-spacing: 0;
  margin-left: 1px;
  opacity: .46;
  text-transform: none;
  position: relative;
  top: .32em;
}

.topnav {
  width: auto;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  font-size: .78rem;
  position: relative;
}

.topnav a {
  position: relative;
  color: color-mix(in srgb, var(--fg) 72%, transparent);
  text-decoration: none;
  padding: 8px 13px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--border) 42%, transparent);
  font-weight: 600;
  transition: color .12s ease, border-color .12s ease, background-color .12s ease, box-shadow .12s ease, transform .12s ease;
}

.topnav a:focus-visible,
.topnav a:hover {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--border) 72%, transparent);
  background: var(--nav-hover-bg);
}

.topnav a:focus-visible {
  outline: 3px solid hsl(var(--ring-hsl) / .26);
  outline-offset: 1px;
}

.topnav a[aria-current="page"] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border));
  font-weight: 700;
}

.topnav a[aria-current="page"]::after {
  display: none;
}

.content {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
}

.card {
  background: color-mix(in srgb, var(--panel) 95%, transparent);
  border-radius: 20px;
  padding: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--border) 68%, transparent);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--border) 70%, transparent), var(--shadow-sm);
}

.card--app {
  display: grid;
  gap: var(--space-3);
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.panel {
  border: 1px solid color-mix(in srgb, var(--border) 66%, transparent);
  border-radius: 18px;
  padding: var(--space-3);
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--border) 66%, transparent);
}