/* Design system page + permission denied + responsive overrides */

.ds-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--space-7);
}
.ds-nav {
  position: sticky; top: 76px;
  align-self: start;
  display: flex; flex-direction: column; gap: 1px;
  padding-right: var(--space-3);
}
.ds-nav__item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px;
  background: transparent; border: none;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
}
.ds-nav__item:hover { background: var(--paper-alt); color: var(--ink-1); }
.ds-nav__item--active { background: var(--paper-alt); color: var(--ink-1); font-weight: 600; }
.ds-nav__num { color: var(--ink-4); font-size: 10.5px; letter-spacing: 0.04em; }
.ds-nav__item--active .ds-nav__num { color: var(--ink-2); }

.ds-body { display: flex; flex-direction: column; gap: var(--space-8); }
.ds-block { display: flex; flex-direction: column; gap: var(--space-3); }
.ds-block__head { display: flex; flex-direction: column; gap: 4px; padding-bottom: var(--space-3); border-bottom: 1px solid var(--rule); }
.ds-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink-1);
}
.ds-block__desc { margin: 0; color: var(--ink-3); font-size: 13px; max-width: 70ch; line-height: 1.55; }
.ds-block__body { padding-top: var(--space-3); }

.ds-row {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center;
}
.ds-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.ds-code {
  margin: 12px 0 0;
  padding: 12px 14px;
  background: #18181b;
  color: #d4d4d8;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-x: auto;
}

/* Tokens */
.token-row {
  display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: flex-end;
}
.space-tok { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.space-tok__bar { height: 8px; background: var(--ink-1); border-radius: 2px; }
.radius-tok { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.radius-tok__shape { width: 48px; height: 48px; background: var(--ink-1); }
.shadow-tok { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.shadow-tok__box { width: 80px; height: 56px; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius-md); }

.motion-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--rule);
  border: 1px solid var(--rule); border-radius: var(--radius-md); overflow: hidden;
}
.motion-tok { background: var(--paper); padding: 14px; }

/* Typography */
.type-stacks {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px;
  background: var(--rule); border: 1px solid var(--rule);
  border-radius: var(--radius-md); overflow: hidden;
}
.type-stack { background: var(--paper); padding: 16px; }

.scale-rows { display: flex; flex-direction: column; }
.scale-row {
  display: grid; grid-template-columns: 180px 1fr;
  gap: var(--space-4); align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}
.scale-row:last-child { border-bottom: none; }
.scale-row__label { color: var(--ink-3); font-size: 11px; letter-spacing: 0.04em; padding-top: 6px; }

/* Color */
.color-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--rule);
  border: 1px solid var(--rule); border-radius: var(--radius-md); overflow: hidden;
}
.color-chip {
  background: var(--paper);
  padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.color-chip__swatch { height: 60px; border-radius: var(--radius-sm); }

/* Permission denied */
.permission-denied {
  text-align: center;
  padding: 56px var(--space-5);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
}
.permission-denied__icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--paper-alt);
  border: 1px solid var(--rule);
  color: var(--ink-2);
  margin: 0 auto 14px;
  display: grid; place-items: center;
}
.permission-denied__title {
  margin: 0 0 8px;
  font-family: var(--font-display); font-style: italic;
  font-weight: 400; font-size: 30px;
  letter-spacing: -0.02em;
  color: var(--ink-1);
}
.permission-denied__sub {
  max-width: 52ch; margin: 0 auto;
  color: var(--ink-3);
  font-size: 14px; line-height: 1.6;
}

/* ============================================================
   PRINT — evidence pack as auditor-ready document
   ============================================================ */

@media print {
  @page { margin: 22mm 18mm; size: letter; }
  body { background: white !important; font-size: 11pt; line-height: 1.5; }
  .topbar, .sidebar, .tweaks-panel, .twk-panel, .toast-stack, .page-actions { display: none !important; }
  .shell { display: block !important; }
  .main { padding: 0 !important; max-width: 100% !important; }
  .card, .card--padded { box-shadow: none !important; border: 1px solid #ccc !important; break-inside: avoid; }
  .tr-header__title h1, .auditor-cover__title, .page-header h1 {
    font-size: 32pt !important;
    color: black !important;
    page-break-after: avoid;
  }
  .evidence-seal { page-break-inside: avoid; }
  .evidence-seal__mark { background: white !important; }
  a { color: black !important; text-decoration: none !important; }
  .table { font-size: 9.5pt; }
  .table th { background: #f4f4f2 !important; color: black !important; }
  /* Print-only header on each page */
  .ep-grid, .auditor-claims, .audit-thread { break-inside: avoid; }
  .install-code, .cli-body, .reveal-key, .share-link {
    background: #f4f4f2 !important; color: black !important;
    border: 1px solid #ccc !important;
  }
  .cli-ok, .cli-prompt, .cli-cmd, .cli-comment, .cli-mono { color: black !important; }
  /* Hide things that don't belong in print */
  .btn, button { display: none !important; }
  .nav-item__count, .nav-item__kbd, .topbar__cmdk, .tab { display: none !important; }
}

/* Print-only header injected on the evidence pack page */
.print-header { display: none; }
@media print { .print-header { display: block; margin-bottom: 24pt; padding-bottom: 12pt; border-bottom: 2px solid black; } }

/* ============================================================
   RESPONSIVE — base mobile/tablet behavior
   The prototype is desktop-first. These rules collapse the layout
   gracefully so the design doesn't break at 768/1024.
   ============================================================ */

@media (max-width: 1180px) {
  .shell { grid-template-columns: 200px minmax(0, 1fr) !important; }
  .sidebar { padding: 0; }
  .nav-item__kbd { display: none; }
}

@media (max-width: 1024px) {
  .shell { grid-template-columns: 64px minmax(0, 1fr) !important; }
  .sidebar__top, .sidebar__bottom, .nav-label, .nav-item__count,
  .nav-item__kbd, .nav-pill, .nav-item__label { display: none !important; }
  .nav-item { justify-content: center; padding: 10px; }
  .nav-item--active::before { display: none; }
  .nav-item--active { background: var(--ink-1); color: var(--paper); }
  .nav-item--active .nav-item__icon { color: var(--paper); }
  .sidebar { overflow: visible; }
  .sidebar__scroll { padding: 8px 6px; }
  .tr-body { grid-template-columns: 1fr !important; }
  .dash-grid, .ep-grid, .upload-grid { grid-template-columns: 1fr !important; }
  .metric-grid { grid-template-columns: 1fr 1fr !important; }
  .apps-grid, .integ-grid { grid-template-columns: 1fr !important; }
  .ds-layout { grid-template-columns: 1fr; }
  .ds-nav { position: relative; top: 0; flex-direction: row; flex-wrap: wrap; padding: 0 0 var(--space-4); }
}

@media (max-width: 768px) {
  .topbar { padding: 0 var(--space-4); gap: var(--space-2); }
  .topbar__cmdk, .topbar__brand + .topbar__divider { display: none; }
  .tenant-switcher .tag { display: none; }
  .main { padding: var(--space-5) var(--space-4) var(--space-7) !important; }
  .page-header h1 { font-size: 36px !important; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .page-actions { width: 100%; flex-wrap: wrap; }
  .auditor-cover__title, .bulletin-cover__title { font-size: 44px !important; }
  .auditor-cover__meta, .audit-layout, .trust-hero__stats, .apps-summary,
  .indexing-stages, .verdict-mix, .cert-grid, .flow { grid-template-columns: 1fr 1fr !important; }
  .audit-layout { grid-template-columns: 1fr !important; }
  .auditor-trust__grid, .bulletin-explain, .bundle-grid { grid-template-columns: 1fr !important; }
  .tr-header__meta { grid-template-columns: 1fr 1fr !important; gap: var(--space-3) !important; }
  .tr-header__title h1 { font-size: 36px !important; }
  .auditor-verify__layout { grid-template-columns: 1fr !important; }
  .metric-grid { grid-template-columns: 1fr !important; }
  .modal { width: calc(100vw - 32px) !important; }
  .modal--wide { width: calc(100vw - 32px) !important; }
  .drawer { width: 100vw !important; }
  .table { font-size: 12px; }
  .toolbar { flex-wrap: wrap; }
  .segmented { overflow-x: auto; max-width: 100%; }
  .ds-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .page-header h1 { font-size: 28px !important; }
  .tr-header__title h1 { font-size: 26px !important; }
  .auditor-cover__title, .bulletin-cover__title { font-size: 32px !important; }
  .metric__value { font-size: 32px !important; }
  .auditor-cover__meta, .tr-header__meta { grid-template-columns: 1fr !important; }
}