/* ============================================================================
   App shell & layout
   ----------------------------------------------------------------------------
   The top app bar, the centered content container, page headers, and a handful
   of layout utilities. The bare `nav` / `main` selectors mean the existing
   shell markup is lifted immediately; the .app-bar / .brand / .nav-link classes
   add polish where the partial opts in.
   ============================================================================ */

@layer components {
  /* --- Top app bar ------------------------------------------------------- */
  nav,
  .app-bar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: color-mix(in srgb, var(--bg-secondary) 88%, transparent);
    backdrop-filter: saturate(1.2) blur(10px);
    -webkit-backdrop-filter: saturate(1.2) blur(10px);
    border-bottom: 0.5px solid var(--border);
    font-size: 12.5px;
  }

  /* Translucency is a nicety, not a requirement: users who ask for less
     transparency or more contrast get a solid bar with a firmer hairline. */
  @media (prefers-reduced-transparency: reduce) {
    nav,
    .app-bar {
      background: var(--bg-secondary);
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
    }
  }
  @media (prefers-contrast: more) {
    nav,
    .app-bar {
      background: var(--bg-secondary);
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      border-bottom-color: var(--border-strong);
    }
  }

  /* Brand lockup (the leading <strong> in the nav). */
  nav > strong,
  .brand {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: -0.01em;
  }
  nav > strong a,
  .brand a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-primary);
  }
  nav > strong a:hover,
  .brand a:hover { text-decoration: none; }

  /* A small square brand mark — `<span class="brand-mark">P</span>`. An
     anthracite tile in both themes (tokens lift it slightly in dark mode so it
     stands off the near-black bar). The faint top-lit gradient and inner
     highlight give the tile a machined-metal depth without reading as a
     button. */
  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: var(--radius-sm);
    background: linear-gradient(
      180deg,
      color-mix(in srgb, var(--brand-mark-bg) 88%, #fff),
      var(--brand-mark-bg)
    );
    color: var(--brand-mark-ink);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    font-weight: 500;
    font-size: 14px;
  }

  /* Plain text links inside the bar read as nav items. The brand link opts back
     out via the higher-specificity .brand rules above. */
  nav a,
  .nav-link {
    color: var(--text-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: background var(--speed-fast) var(--ease-out),
                color var(--speed-fast) var(--ease-out);
  }
  /* Nav items lead with a small Tabler icon; lay the pair out on a gap. */
  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
  }
  nav > strong a { padding: 0; }
  /* :hover is wrapped in :where() so it adds no specificity and this stays at
     (0,0,2), level with the resting rule above and below any class. Without it
     the rule outranks .btn-primary (0,1,0) and repaints the Sign up CTA's label
     text-primary — invisible on that button's text-primary background. Same
     contract buttons.css states for its bare element selectors. */
  nav a:where(:hover),
  .nav-link:hover { background: var(--bg-tertiary); color: var(--text-primary); text-decoration: none; }
  /* Current section reads as the same soft accent wash the project subnav
     uses — one "you are here" treatment across both navigation levels, with
     no underline hardware. Hover stays the neutral bg-tertiary, so the two
     states can't be confused. */
  .nav-link.active,
  .nav-link[aria-current="page"] {
    color: var(--text-primary);
    background: var(--accent-soft);
  }
  .nav-link.active:hover,
  .nav-link[aria-current="page"]:hover { background: var(--accent-soft); }

  /* The profile link and org label carry user content (a display name falls
     back to the full email address); `anywhere` lets them wrap instead of
     stretching the bar past the viewport. */
  nav a,
  nav .muted { overflow-wrap: anywhere; }

  /* The org switcher form sits inline in the bar without extra margin. */
  nav form { margin: 0; display: inline-flex; gap: var(--space-2); align-items: center; }
  nav form > div { margin: 0; }

  /* The org-switcher select stays as compact as the bar's small buttons
     instead of inheriting the roomier page-form padding. */
  nav select {
    padding: var(--space-1) var(--space-2);
    /* Compact spacing for the chevron too (see the base select rule). */
    padding-right: calc(var(--space-2) + 10px + var(--space-1));
    background-position: right var(--space-2) center;
    font-size: 12.5px;
  }

  /* --- Content container ------------------------------------------------- */
  main {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-5) var(--space-10);
  }

  /* Page header: title row with optional trailing actions. */
  .page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
  }
  /* Titles carry user content (project and brand names); `anywhere` lets the
     flex item shrink past a long unbroken name instead of overflowing. */
  .page-header h1 { margin: 0; min-width: 0; overflow-wrap: anywhere; }
  .page-header-copy { min-width: 0; }
  .page-header-copy > .muted { margin: var(--space-1) 0 0; }

  /* Project-local navigation. This deliberately overrides the generic shell
     `nav` rules above: it is an in-page location strip, not another sticky app
     bar. All three project destinations use the same order and current state. */
  nav.project-subnav {
    position: static;
    z-index: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
    margin: calc(-1 * var(--space-2)) 0 var(--space-5);
    padding: 0 0 var(--space-3);
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 0;
    border-bottom: 0.5px solid var(--border);
    font-size: 12.5px;
  }
  .project-subnav a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    /* Tab selection must snap when Turbo replaces the page. Inheriting the
       shell-nav transition makes the old/new active backgrounds cross-fade. */
    transition: none;
  }
  .project-subnav a:hover { color: var(--text-primary); background: var(--bg-tertiary); text-decoration: none; }
  /* The extra nav specificity keeps :hover from overriding the selected tab
     while the pointer remains over the link that initiated navigation. */
  nav.project-subnav .project-subnav-link.active,
  nav.project-subnav .project-subnav-link[aria-current="page"] {
    color: var(--text-primary);
    background: var(--accent-soft);
  }
  .project-subnav-back { padding-left: 0 !important; }
  .project-subnav-divider { width: 0.5px; height: 18px; margin: 0 var(--space-1); background: var(--border-strong); }

  /* Quota feedback shares one compact status treatment. Resource pressure
     adds warning color at 80%; report-cost feedback stays neutral until the
     projected run exceeds the remaining credits. */
  .quota-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 11.5px;
    white-space: nowrap;
  }
  .quota-pressure.is-high {
    border-color: var(--warning-border);
    background: var(--warning-bg);
    color: var(--warning-text);
  }
  .quota-status.is-full {
    border-color: var(--danger-border);
    background: var(--danger-bg);
    color: var(--danger-text);
  }

  .action-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
  }
  .action-group { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }

  .danger-zone {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: 0.5px solid var(--border);
  }
  .danger-zone p { margin: 0; }
  .record-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }

  .section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin: var(--space-6) 0 var(--space-3);
  }
  .section-header h2 { margin: 0; }

  /* --- Centered auth card ------------------------------------------------ */
  .auth-card {
    max-width: 380px;
    margin: var(--space-8) auto;
    padding: var(--space-6) var(--space-6) var(--space-5);
  }
  .auth-card h1 { margin-bottom: var(--space-5); }
  .auth-card input[type="text"],
  .auth-card input[type="email"],
  .auth-card input[type="password"] { width: 100%; }
  .auth-card input[type="submit"],
  .auth-card .btn { width: 100%; margin-top: var(--space-1); }
  .auth-footer { text-align: center; margin-top: var(--space-4); }

  /* --- Narrow screens ----------------------------------------------------- */
  @media (max-width: 640px) {
    /* The bar wraps to several rows on a phone; static (not sticky) so those
       rows scroll away instead of permanently shadowing the viewport. */
    nav,
    .app-bar {
      position: static;
      padding: var(--space-2) var(--space-4);
      gap: var(--space-2);
    }

    /* A long organization name mustn't let the switcher outgrow the bar. */
    nav select { max-width: 50vw; }

    main { padding: var(--space-5) var(--space-4) var(--space-8); }
    nav.project-subnav { padding: 0 0 var(--space-3); }
  }
}

@layer utilities {
  .muted { color: var(--text-secondary); font-size: 12.5px; }
  td.muted { white-space: nowrap; color: var(--text-tertiary); }

  .spacer { flex: 1; }

  /* Horizontal group of inline actions/links with consistent spacing. */
  .cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
  }

  .text-right { text-align: right; }

  /* Horizontal scroll region for wide data tables (the multi-metric report
     tables) so they never push the page sideways on a narrow screen. The table
     fills the width when it fits and scrolls within this box when it doesn't.
     A soft haze marks an edge with clipped columns behind it: the shadow
     gradients pin to the box while the surface-colored covers scroll with the
     content (`local`), so each hint shows only while there is more that way. */
  .table-scroll {
    overflow-x: auto;
    scrollbar-width: thin;
    background:
      linear-gradient(to right, var(--bg-primary) 40%, transparent) left center,
      linear-gradient(to left, var(--bg-primary) 40%, transparent) right center,
      radial-gradient(farthest-side at 0 50%, var(--scroll-shadow), transparent) left center,
      radial-gradient(farthest-side at 100% 50%, var(--scroll-shadow), transparent) right center;
    background-repeat: no-repeat;
    background-size: 32px 100%, 32px 100%, 12px 100%, 12px 100%;
    background-attachment: local, local, scroll, scroll;
  }
  .table-scroll > table { min-width: 100%; width: max-content; }
  /* These tables are figure-dense (a column per metric); tighter gutters fit
     more of them before the box has to scroll. The enclosing card's padding
     already insets the edge columns. */
  .table-scroll th, .table-scroll td { padding-inline: var(--space-2); }
  .table-scroll th:first-child, .table-scroll td:first-child { padding-left: 0; }
  .table-scroll th:last-child, .table-scroll td:last-child { padding-right: 0; }

  .visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
}