/* Dante Lab Portal - Kaizen UI Foundations (Tier B, server-rendered).
   Token values come from @kui/foundations-css (vendored at static/kui/base.css).
   This file mirrors Kaizen component classes using shipped semantic and
   density tokens only: no hardcoded colours, pixels, or fonts. */

body {
  font-family: var(--font-sans);
  background: var(--background-color-background-default, var(--color-gray-000));
  color: var(--text-color-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* AppBar (mirrors .nv-app-bar-root) */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nv-app-bar-height);
  padding-inline: var(--spacing-density-xl);
  background: var(--background-color-surface-navigation, var(--color-gray-000));
  border-bottom: var(--border-width-1) solid var(--border-color-base);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-density-lg);
  text-decoration: none;
}

/* Official NVIDIA logo asset, inlined verbatim in base.html. */
.brand-logo {
  display: block;
  height: calc(var(--spacing) * 6);
  width: auto;
}

.brand-text {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-16);
  color: var(--text-color-primary);
  border-left: var(--border-width-1) solid var(--border-color-base);
  padding-left: var(--spacing-density-lg);
}

/* Nav links use the blue anchor token, never brand green. */
.topnav { display: flex; align-items: center; gap: var(--spacing-density-xl); }
.topnav a {
  color: var(--text-color-accent-blue-strong);
  text-decoration: none;
  font-size: var(--text-14);
}
.topnav a:hover { text-decoration: underline; }
.topnav a:focus-visible {
  outline: var(--border-width-2) solid var(--border-color-interaction-strong);
  outline-offset: var(--border-width-2);
  border-radius: var(--radius-sm);
}
.topnav .user { color: var(--text-color-secondary); font-size: var(--text-14); }

/* Current page reads as location, not a link (aria-current in base.html). */
.topnav a[aria-current="page"] {
  color: var(--text-color-primary);
  font-weight: var(--font-weight-semibold);
}
.topnav a[aria-current="page"]:hover { text-decoration: none; }

/* Sign out is a tertiary action, separated from identity by a divider. */
.topnav .nav-signout {
  color: var(--text-color-secondary);
  border-left: var(--border-width-1) solid var(--border-color-base);
  padding-left: var(--spacing-density-xl);
}
.topnav .nav-signout:hover { color: var(--text-color-primary); }

/* Masthead brand link gets the same focus ring as the nav links. */
.brand:focus-visible {
  outline: var(--border-width-2) solid var(--border-color-interaction-strong);
  outline-offset: var(--border-width-2);
  border-radius: var(--radius-sm);
}

.content {
  flex: 1;
  width: 100%;
  max-width: var(--container-6xl);
  margin: 0 auto;
  padding: var(--spacing-density-3xl) var(--spacing-density-xl);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Library: constrained, centred container on the masthead grid (equal gutters). */
.content.library { max-width: var(--container-5xl); }
.content > * { width: 100%; }

/* Deck page: player fills the space between masthead and footer, no page scroll. */
body.deck-body { height: 100vh; overflow: hidden; }
.deck-page { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.deck-page .deck-frame { flex: 1; min-height: 0; height: auto; }

/* Typography mirrors Kaizen Text kinds */
h1 {
  font-size: var(--text-28);
  line-height: var(--leading-lh-125);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--spacing-density-md);
}
h2 {
  font-size: var(--text-18);
  line-height: var(--leading-lh-125);
  font-weight: var(--font-weight-semibold);
  margin: var(--spacing-density-sm) 0;
}
.muted { color: var(--text-color-secondary); font-size: var(--text-14); }
code {
  font-family: var(--font-mono);
  font-size: var(--text-12);
  background: var(--background-color-surface-sunken, var(--color-gray-025));
  padding: var(--spacing-density-xxs) var(--spacing-density-xs);
  border-radius: var(--radius-md);
}

.footer {
  padding: var(--spacing-density-xl);
  font-size: var(--text-12);
  color: var(--text-color-secondary);
  border-top: var(--border-width-1) solid var(--border-color-base);
  text-align: center;
}

/* Card (KUI11 mirror: raised surface, 4px radius, no shadow) */
.nv-card-root,
.login-card,
.card {
  background: var(--background-color-surface-raised, var(--color-gray-000));
  border: var(--border-width-1) solid var(--border-color-base);
  border-radius: var(--radius-md);
  padding: var(--spacing-density-2xl);
}

/* Login */
.login-card {
  max-width: var(--container-xs);
  margin: auto;
  border-top: var(--border-width-3) solid var(--border-color-brand);
}

/* Form rhythm: 6px label-to-input (density-sm), 24px between groups and
   before the button (density-3xl). */
.login-card form {
  display: flex;
  flex-direction: column;
  margin-top: var(--spacing-density-xl);
}
.login-card label {
  font-size: var(--text-14);
  font-weight: var(--font-weight-semibold);
  color: var(--text-color-primary);
  margin-bottom: var(--spacing-density-sm);
}
.login-card input {
  box-sizing: border-box;
  height: calc(var(--spacing) * 9);
  margin-bottom: var(--spacing-density-2xl);
  padding: var(--spacing-density-md) var(--spacing-density-lg);
  border: var(--border-width-1) solid var(--border-color-base);
  border-radius: var(--radius-md);
  font-size: var(--text-14);
  font-family: var(--font-sans);
  background: var(--background-color-surface-base, var(--color-gray-000));
  color: var(--text-color-primary);
}
.login-card .btn-primary { margin-top: 0; }
.login-card input:focus-visible {
  outline: var(--border-width-2) solid var(--border-color-interaction-strong);
  outline-offset: var(--border-width-1);
  border-color: var(--border-color-interaction-strong);
}

/* Buttons (mirror Kaizen Button medium, KUI11: 36px min height,
   padding 10px 8px, 14px text at weight 500, 4px radius) */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: calc(var(--spacing) * 9);
  padding: calc(var(--spacing-density-md) + var(--spacing-density-xxs)) var(--spacing-density-md);
  border-radius: var(--radius-md);
  font-size: var(--text-14);
  line-height: var(--leading-lh-100);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  margin-top: var(--spacing-density-lg);
  background: var(--color-brand);
  color: var(--text-color-inverse-brand, var(--color-gray-1000));
  border: var(--border-width-1) solid var(--border-color-brand);
}
.btn-primary:hover {
  background: var(--background-color-interaction-primary-hover, var(--color-green-400));
  border-color: var(--border-color-interaction-primary-hover, var(--color-green-400));
}
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: var(--border-width-2) solid var(--border-color-interaction-strong);
  outline-offset: var(--border-width-2);
}

.btn-secondary {
  background: transparent;
  color: var(--text-color-primary);
  border: var(--border-width-1) solid var(--border-color-base);
}
.btn-secondary:hover {
  background: var(--background-color-interaction-hover, var(--color-translucent-black-050));
  border-color: var(--border-color-interaction-hover);
}

/* Feedback banners (Notification mirror) */
.error,
.warning,
.flash {
  border-radius: var(--radius-md);
  padding: var(--spacing-density-md) var(--spacing-density-lg);
  font-size: var(--text-14);
}
.error {
  background: var(--background-color-accent-red-subtle, var(--color-red-050));
  color: var(--text-color-feedback-danger-strong);
  border: var(--border-width-1) solid var(--border-color-feedback-danger);
}
.warning {
  background: var(--background-color-accent-yellow-subtle, var(--color-yellow-050));
  color: var(--color-yellow-800);
  border: var(--border-width-1) solid var(--border-color-feedback-warning);
  font-weight: var(--font-weight-semibold);
}

.flash-wrap {
  max-width: var(--container-6xl);
  margin: var(--spacing-density-lg) auto 0;
  padding: 0 var(--spacing-density-xl);
}
.flash {
  background: var(--background-color-accent-blue-subtle, var(--color-blue-050));
  color: var(--text-color-feedback-info);
  border: var(--border-width-1) solid var(--border-color-feedback-info);
  margin: 0;
}

/* Library cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--container-2xs), 1fr));
  gap: var(--spacing-density-xl);
  margin-top: var(--spacing-density-2xl);
}

.card {
  display: block;
  color: var(--text-color-primary);
  text-decoration: none;
  transition: border-color var(--transition-duration-150) var(--ease-out);
}
.card:hover { border-color: var(--border-color-interaction-hover, var(--color-gray-400)); }
.card:focus-visible {
  outline: var(--border-width-2) solid var(--border-color-interaction-strong);
  outline-offset: var(--border-width-2);
}

/* Tag/Badge mirror: subtle accent fills, never brand green in a pill */
.card-tag {
  display: inline-block;
  font-size: var(--text-12);
  font-weight: var(--font-weight-semibold);
  color: var(--text-color-accent-blue-strong);
  background: var(--background-color-accent-blue-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-density-xxs) var(--spacing-density-lg);
}
.card-lab .card-tag {
  color: var(--text-color-accent-green-strong);
  background: var(--background-color-accent-green-subtle);
}

/* One clear action per card, built from the portal button block:
   primary for the lab, secondary for the decks (36px medium control). */
.card .card-cta { margin-top: var(--spacing-density-lg); width: auto; }

.card-lab-app { grid-column: 1 / -1; }

/* Deck / lab viewers */
.viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-density-xl);
  margin-bottom: var(--spacing-density-xl);
}
.viewer-head h1 { margin: 0; }

.deck-frame,
.lab-frame {
  width: 100%;
  height: calc(100vh - var(--nv-app-bar-height) - var(--container-3xs));
  border: var(--border-width-1) solid var(--border-color-base);
  border-radius: var(--radius-md);
  background: var(--background-color-surface-base, var(--color-gray-000));
}

/* Lab-down / scheduled-off panels (rendered standalone, often in the iframe) */
.lab-down { display: block; }
.lab-down .login-card { margin: var(--spacing-density-5xl) auto; }