/* App shell: top bar, navigation, build picker, search, bottom nav (phones). */
.topbar {
  position: relative; z-index: 30; height: var(--topbar-h); display: flex; align-items: center; gap: .75rem;
  padding: 0 .875rem 0 1rem; background: var(--bg); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .625rem; flex: none; padding-right: .375rem; border-radius: var(--r-sm); }
.brand-mark { display: grid; place-items: center; width: 1.75rem; height: 1.75rem; }
.logo-img { display: block; width: 100%; height: 100%; border-radius: 22%; object-fit: cover; box-shadow: 0 0 0 1px rgba(255, 255, 255, .06), 0 2px 8px rgba(0, 0, 0, .28); }
.foot-brand .logo-img { width: 1.125rem; height: 1.125rem; }
.logo-old { fill: var(--text); opacity: .92; }
.logo-new { fill: var(--accent); }
.brand-name { font: 650 .9375rem/1 var(--font-display); letter-spacing: -.01em; }
.brand-name span { color: var(--text-2); font-weight: 500; }
.brand-name .brand-dot { color: var(--accent); font-weight: 800; margin: 0 .03em; } /* Data.VPK: the dot takes the mana accent of the logo */

.primary-nav { display: flex; align-items: center; gap: 2px; height: 100%; }
.primary-nav a {
  position: relative; display: inline-flex; align-items: center; height: 2.125rem; padding: 0 .75rem; border-radius: var(--r-sm);
  color: var(--text-2); font-weight: 550; font-size: .8438rem; transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.primary-nav a:hover { color: var(--text); background: var(--surface-2); }
.primary-nav a.active { color: var(--text); }
.primary-nav a.active::after {
  content: ""; position: absolute; left: .75rem; right: .75rem; bottom: -.6875rem; height: 2px; border-radius: 2px 2px 0 0; background: var(--accent);
}
.primary-nav a[aria-disabled="true"] { color: var(--text-3); cursor: not-allowed; }
.primary-nav a[aria-disabled="true"]:hover { background: none; }

.build-control { flex: none; }
.build-chip {
  display: inline-flex; align-items: center; gap: .5625rem; height: 2.375rem; padding: 0 .625rem 0 .6875rem; border-radius: .5625rem;
  border: 1px solid var(--line-2); background: var(--surface-1); color: var(--text-2);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.build-chip:hover, .build-chip[aria-expanded="true"] { border-color: var(--text-3); background: var(--surface-2); }
.bc-text { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.1; }
.bc-label { font-size: .625rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); }
.bc-value { font: 600 .8125rem/1.25 var(--font-mono); color: var(--text); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bc-arrow { color: var(--text-3); margin: 0 .25rem; }

.search {
  position: relative; flex: 1 1 22.5rem; max-width: 32.5rem; display: flex; align-items: center;
}
.search input {
  width: 100%; height: 2.375rem; padding: 0 2.5rem 0 2.25rem; border-radius: .5625rem; border: 1px solid var(--line-2);
  background: var(--surface-1); color: var(--text); outline: none; font-size: .8438rem;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.search input::placeholder { color: var(--text-3); }
.search input:hover { border-color: var(--text-3); }
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: var(--surface-1); }
.search input::-webkit-search-cancel-button { display: none; }
.search-icon { position: absolute; left: .75rem; color: var(--text-3); pointer-events: none; }
.search-kbd { position: absolute; right: .5625rem; pointer-events: none; }
.search input:focus ~ .search-kbd, .search input:not(:placeholder-shown) ~ .search-kbd { opacity: 0; }

.topbar-actions { display: flex; align-items: center; gap: 2px; flex: none; margin-left: auto; }

/* Language switcher: flag + short code. */
.flag { position: relative; display: inline-block; flex: none; width: 1.25rem; height: .875rem; border-radius: .1875rem; overflow: hidden; }
.flag svg { display: block; width: 100%; height: 100%; }
.flag::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px var(--flag-ring); pointer-events: none; }
.lang-btn {
  flex: none; display: inline-flex; align-items: center; gap: .4375rem; height: 2.125rem; padding: 0 .5rem 0 .5625rem; border-radius: var(--r-sm); color: var(--text-2);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.lang-btn:hover, .lang-btn[aria-expanded="true"] { background: var(--surface-3); color: var(--text); }
.lang-code { font: 650 .7188rem/1 var(--font-mono); letter-spacing: .04em; color: var(--text); }
.lang-btn .icon { color: var(--text-3); }
.lang-menu { min-width: 12.5rem; }
.lang-menu .menu-item { gap: .625rem; min-height: 2.375rem; }
.lang-menu .menu-label { font-weight: 550; }
.bottom-lang { display: none; }

/* Main area */
main { position: relative; height: calc(100dvh - var(--topbar-h)); outline: none; }
.home-view { height: 100%; overflow: auto; scroll-behavior: smooth; }

/* Bottom navigation (phones) */
.bottom-nav { display: none; }

/* Build picker popover */
.picker { width: 22.5rem; max-width: 100%; padding: .375rem; display: flex; flex-direction: column; gap: .25rem; }
.pick-section + .pick-section { border-top: 1px solid var(--line); padding-top: .375rem; }
.pick-heading { padding: .5rem .625rem .375rem; color: var(--text-3); font-size: .6875rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.pick-list { display: flex; flex-direction: column; max-height: 18.75rem; overflow: auto; }
.pick-row { display: flex; align-items: center; gap: .625rem; width: 100%; padding: .5rem .625rem; border-radius: var(--r-sm); text-align: left; }
.pick-row:hover, .pick-row:focus-visible { background: var(--surface-3); outline: none; }
.pick-check { width: 1rem; display: grid; place-items: center; color: var(--accent); flex: none; }
.pick-main { display: flex; flex-direction: column; min-width: 0; }
.pick-title { display: flex; align-items: center; gap: .5rem; font: 600 .8125rem/1.3 var(--font-mono); }
.pick-title .tag { font-family: var(--font-ui); margin-left: .5rem; }
.pick-main { flex: 1; }
.pick-side { flex: none; }
.pick-pair { display: inline-flex; align-items: center; }
.pick-sub { color: var(--text-3); font-size: .75rem; }
.pick-range { display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: .375rem; padding: 2px .625rem; }
.pick-range label { display: flex; flex-direction: column; gap: .25rem; font-size: .7188rem; color: var(--text-3); min-width: 0; }
.pick-range .select { width: 100%; height: 2rem; font-size: .7812rem; }
.pick-range .icon-btn { margin-bottom: 2px; }
.pick-actions { display: flex; justify-content: flex-end; padding: .625rem .625rem .375rem; }
.pick-note { display: flex; gap: .5rem; padding: .5rem .625rem .625rem; color: var(--text-2); font-size: .7812rem; }
.pick-note .icon { margin-top: 2px; color: var(--accent); }

/* ------------------------------------------------------------ responsive shell */
@media (max-width: 1100px) {
  .brand-name { display: none; }
  .search { flex-basis: 13.75rem; }
}
@media (max-width: 900px) {
  .search-kbd { display: none; }
}
@media (max-width: 760px) {
  :root { --topbar-h: 3.5rem; --bottom-h: 3.75rem; }
  .topbar { gap: .5rem; padding: 0 .75rem 0 1rem; padding-top: env(safe-area-inset-top); }
  .primary-nav { display: none; }
  .build-chip { height: 2.25rem; padding: 0 .5rem; gap: .375rem; }
  .build-chip > .icon:first-child { display: none; }
  .bc-label { display: none; }
  .bc-value { font-size: .7812rem; }
  .search { flex: 1 1 auto; max-width: none; }
  .search input { height: 2.25rem; font-size: 1rem; padding-right: .625rem; }
  #shortcutsButton { display: none; }
  main { height: calc(100dvh - var(--topbar-h) - var(--bottom-h) - env(safe-area-inset-bottom)); }
  .lang-btn { display: none; }
  .bottom-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: grid; grid-template-columns: repeat(3, 1fr) 4.5rem;
    height: calc(var(--bottom-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
    background: var(--bg); border-top: 1px solid var(--line);
  }
  .bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .1875rem; color: var(--text-3); font-size: .6875rem; font-weight: 600; }
  .bottom-nav a.active { color: var(--text); }
  .bottom-nav a.active svg { color: var(--accent); }
  .bottom-nav a[aria-disabled="true"] { opacity: .45; }
  .bottom-lang {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3125rem; margin: .5rem .5rem .5rem 0; border-radius: .75rem;
    color: var(--text-2); border-left: 1px solid var(--line); border-radius: 0;
  }
  .bottom-lang .flag { width: 1.5rem; height: 1.0625rem; border-radius: .25rem; }
  .bottom-lang .lang-code { font-size: .6875rem; color: var(--text-2); }
  .bottom-lang[aria-expanded="true"] .lang-code { color: var(--text); }
  .picker { width: 100%; }
}