/* Brand Hub — shell + page chrome.
   Layered ON TOP of colors_and_type.css. Use design tokens; do not invent. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--pt-bg);
  color: var(--pt-fg);
  font-family: var(--pt-font-body);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Layout shell ---------- */
.hub {
  display: grid;
  grid-template-columns: 264px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.hub-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  border-right: 1px solid var(--pt-border);
  background: var(--pt-surface);
  display: flex;
  flex-direction: column;
  padding: 20px 16px 16px;
  gap: 4px;
}
.hub-sidebar .brand {
  display: flex; align-items: center; gap: 11px;
  padding: 2px 6px 16px; margin-bottom: 4px;
  border-bottom: 1px solid var(--pt-border);
}
.hub-sidebar .brand-avatar {
  width: 38px; height: 38px; flex: none;
  border-radius: var(--pt-radius-sm);
  background: var(--pt-graphite-core);
  display: flex; align-items: center; justify-content: center;
}
.hub-sidebar .brand-avatar img { width: 22px; height: auto; }
.hub-sidebar .brand-avatar .m-dark { display: none; }
[data-theme="dark"] .hub-sidebar .brand-avatar { background: var(--pt-white); }
[data-theme="dark"] .hub-sidebar .brand-avatar .m-light { display: none; }
[data-theme="dark"] .hub-sidebar .brand-avatar .m-dark { display: block; }
.hub-sidebar .brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.hub-sidebar .b-name {
  font-family: var(--pt-font-body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--pt-fg);
}
.hub-sidebar .b-sub2 {
  font-family: var(--pt-font-body);
  font-size: 12px;
  color: var(--pt-fg-muted);
}

.hub-search {
  margin: 12px 0 8px;
  display: flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 12px;
  border: 1px solid var(--pt-border);
  border-radius: var(--pt-radius-pill);
  color: var(--pt-fg-muted);
  font-size: 13px;
  cursor: pointer;
  transition: background .15s ease;
  background: transparent;
}
.hub-search:hover { background: rgba(0,0,0,0.04); }
.hub-search .kbd {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--pt-bg);
  border: 1px solid var(--pt-border);
  color: var(--pt-fg-muted);
}
[data-theme="dark"] .hub-search:hover { background: rgba(255,255,255,0.04); }

.nav-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pt-fg-muted);
  padding: 12px 10px 6px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--pt-fg);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.nav-link:hover { background: rgba(0,0,0,0.05); }
[data-theme="dark"] .nav-link:hover { background: rgba(255,255,255,0.05); }
.nav-link.active { background: var(--pt-graphite-core); color: var(--pt-white); }
[data-theme="dark"] .nav-link.active { background: var(--pt-white); color: var(--pt-graphite-core); }
.nav-link .num {
  font-family: var(--pt-font-body);
  font-size: 11px;
  font-weight: 600;
  width: 22px;
  color: var(--pt-fg-muted);
}
.nav-link.active .num { color: inherit; opacity: 0.7; }
.nav-link i { font-size: 16px; opacity: 0.9; }

.hub-sidebar .foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--pt-border);
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--pt-fg-muted);
}
.theme-toggle {
  margin-left: auto;
  height: 28px; padding: 0 10px;
  border-radius: var(--pt-radius-pill);
  background: transparent;
  border: 1px solid var(--pt-border);
  color: var(--pt-fg);
  font-size: 12px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer;
}
.theme-toggle:hover { background: rgba(0,0,0,0.04); }
[data-theme="dark"] .theme-toggle:hover { background: rgba(255,255,255,0.04); }

/* Main content */
.hub-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.topbar {
  position: sticky; top: 0; z-index: 30;
  padding: 14px 32px;
  border-bottom: 1px solid var(--pt-border);
  background: rgba(247,243,242,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.topbar-inner {
  display: flex; align-items: center; gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 64px;
}
@media (max-width: 1100px) {
  .topbar-inner { padding: 0 32px; }
}
@media (max-width: 880px) {
  .topbar-inner { padding: 0; }
}
[data-theme="dark"] .topbar { background: rgba(18,19,20,0.85); }
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--pt-fg-muted); }
.crumbs .sep { opacity: 0.5; }
.crumbs .here { color: var(--pt-fg); font-weight: 500; }
.topbar .verified {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--pt-fg-muted);
}
.verified .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--pt-galactic-seafoam); }

.page {
  padding: 56px 64px 96px;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}
@media (max-width: 1100px) {
  .page { padding: 40px 32px 64px; }
}
@media (max-width: 880px) {
  .hub { grid-template-columns: 1fr; }
  .hub-sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--pt-border); }
  .page { padding: 32px 24px 64px; }
}

/* Page intro pattern */
.page-eyebrow {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--pt-fg-muted);
  display: inline-flex; align-items: center; gap: 8px;
}
.page-eyebrow .ch { color: var(--pt-rocket-flame); }
.page-title {
  font-family: var(--pt-font-display);
  font-weight: 400;
  font-size: 72px;
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 16px 0 20px;
  text-wrap: balance;
}
.page-lede {
  font-size: 18px;
  line-height: 1.5;
  color: var(--pt-fg-muted);
  max-width: 640px;
}

.section-head {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  margin: 64px 0 20px;
}
.section-head h2 {
  font-family: var(--pt-font-body);
  font-weight: 500;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.section-head .sub {
  font-size: 13px; color: var(--pt-fg-muted);
}
.section-rule {
  height: 1px;
  background: var(--pt-border);
  margin: 12px 0 24px;
}

/* Generic card grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 880px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Click-to-copy chip */
.copy-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--pt-radius-pill);
  background: rgba(0,0,0,0.05);
  color: var(--pt-fg);
  cursor: pointer;
  border: 0;
  transition: background .15s ease;
}
.copy-chip:hover { background: rgba(0,0,0,0.08); }
[data-theme="dark"] .copy-chip { background: rgba(255,255,255,0.08); }
[data-theme="dark"] .copy-chip:hover { background: rgba(255,255,255,0.12); }
.copy-chip.copied { background: var(--pt-galactic-seafoam-20); color: var(--pt-ink-on-seafoam-20); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--pt-graphite-core); color: var(--pt-white);
  font-size: 13px; font-weight: 500;
  padding: 10px 16px; border-radius: var(--pt-radius-pill);
  display: flex; align-items: center; gap: 8px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast .ph-bold { color: var(--pt-galactic-seafoam); }

/* Search palette (cmd-K) */
.palette-scrim {
  position: fixed; inset: 0;
  background: rgba(18,19,20,0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: flex-start; justify-content: center;
  padding-top: 14vh;
}
.palette-scrim.open { display: flex; }
.palette {
  width: min(640px, 92vw);
  background: var(--pt-surface);
  border: 1px solid var(--pt-border);
  border-radius: var(--pt-radius-lg);
  overflow: hidden;
}
.palette .input-row {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--pt-border);
}
.palette input {
  flex: 1; border: 0; outline: 0;
  background: transparent; color: var(--pt-fg);
  font-family: var(--pt-font-body);
  font-size: 16px;
}
.palette input::placeholder { color: var(--pt-fg-muted); }
.palette .results { max-height: 50vh; overflow-y: auto; padding: 8px; }
.palette .row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.palette .row.sel,
.palette .row:hover { background: rgba(0,0,0,0.05); }
[data-theme="dark"] .palette .row.sel,
[data-theme="dark"] .palette .row:hover { background: rgba(255,255,255,0.05); }
.palette .row .ti { font-weight: 500; font-size: 14px; }
.palette .row .sub { font-size: 12px; color: var(--pt-fg-muted); margin-left: auto; }
.palette .empty { padding: 24px; text-align: center; color: var(--pt-fg-muted); font-size: 13px; }

/* Dark mode: 20% tints use the BASE brand color for text/icons, never the ink
   hues. Ink is a light-mode-only device; on a dark canvas it disappears into
   the tint. Redefining the tokens fixes every usage, inline styles included. */
[data-theme="dark"] {
  --pt-ink-on-flame-20:   var(--pt-rocket-flame);
  --pt-ink-on-seafoam-20: var(--pt-galactic-seafoam);
  --pt-ink-on-gold-20:    var(--pt-solar-gold);
  --pt-ink-on-blue-20:    var(--pt-atmosphere-blue);
  --pt-ink-on-purple-20:  var(--pt-voyager-purple);
  --pt-ink-on-red-20:     var(--pt-red-alert);
}

/* Light/dark logo swap — used wherever a lockup sits on a themed surface. */
.l-dark { display: none; }
[data-theme="dark"] .l-light { display: none; }
[data-theme="dark"] .l-dark { display: block; }

/* Brand star marker — custom four-point sparkle from the design system.
   Masked so one SVG can take any color via background-color (white on dark
   bands, Rocket Flame on light surfaces). */
.pt-star {
  display: inline-block;
  width: 13px; height: 13px;
  flex-shrink: 0;
  vertical-align: -0.12em;
  background-color: var(--pt-rocket-flame);
  -webkit-mask: url(icons/star.svg) center / contain no-repeat;
          mask: url(icons/star.svg) center / contain no-repeat;
}
.pt-star.is-white { background-color: #fff; }
.pt-star.is-flame { background-color: var(--pt-rocket-flame); }

/* Soft entrance */
.fade-up { animation: fadeUp 320ms var(--pt-ease-paper) both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}