/* =============================================================================
   The site header (#site-nav, views/partials/nav.ejs) on its own: every page loads it, the studio too,
   so the website and the studio share one header. Moved here from site.css; it needs only game-system.css.
   ============================================================================= */
:root {
  --nav-h: 64px;
  --gutter: clamp(16px, 4vw, 40px);
  --wrap: 1240px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}
.nav > .wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding-inline: var(--gutter); }

.skip-link { position: absolute; left: 12px; top: 12px; z-index: 100; padding: 10px 14px; background: var(--gold); color: var(--on-gold); font: 600 13px/1 var(--f-label); letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; translate: 0 -200%; }
.skip-link:focus { translate: 0 0; }

/* --- brand mark ----------------------------------------------------------------- */
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; }
.brand-mark { position: relative; width: 22px; height: 22px; flex: none; }
.brand-mark::before { content: ""; position: absolute; inset: 3px; border: 1px solid var(--gold); transform: rotate(45deg); transition: transform 900ms var(--ease-out); }
.brand-mark i { position: absolute; inset: 8px; background: var(--gold); transform: rotate(45deg); }
.brand:hover .brand-mark::before { transform: rotate(225deg); }
.brand-text { font: 400 21px/1 var(--f-display); letter-spacing: 0.14em; }
.brand-text span { color: var(--gold); }
.brand:focus-visible { outline: none; box-shadow: 0 1px 0 var(--gold); }

/* --- site header (#site-nav) ---------------------------------------------------------- */
.nav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); background: linear-gradient(180deg, oklch(0.11 0.024 262 / 0.92), oklch(0.11 0.024 262 / 0.72)); backdrop-filter: blur(14px) saturate(1.1); border-bottom: 1px solid var(--line); view-transition-name: site-nav; transition: background var(--t-base); }
.nav.is-scrolled { background: linear-gradient(180deg, oklch(0.10 0.024 262 / 0.97), oklch(0.11 0.024 262 / 0.88)); }
.nav-sweep { position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; overflow: hidden; pointer-events: none; }
.nav-sweep::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, var(--gold) 8%, transparent 16%); transform: translateX(-16%); opacity: 0; animation: site-sweep 2.6s var(--ease-soft) 0.3s both; }
@keyframes site-sweep { 12% { opacity: 1; } to { transform: translateX(100%); opacity: 0; } }
.nav-in { height: 100%; display: flex; align-items: center; gap: var(--s4); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: var(--s4); }
.nav-group { display: flex; align-items: center; gap: 2px; }
.nav-group > a:not(.btn) { position: relative; display: inline-flex; align-items: center; height: 40px; padding: 0 12px; color: var(--fg-2); font: 600 13px/1 var(--f-label); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; transition: color var(--t-quick); }
.nav-group > a:not(.btn):hover { color: var(--fg); }
.nav-group > a:not(.btn)::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform var(--t-panel) var(--ease-out); }
.nav-group > a:not(.btn):hover::after, .nav-group > a[aria-current="page"]::after { transform: scaleX(1); }
.nav-group > a[aria-current="page"] { color: var(--fg); }
.nav-group > a[aria-current="page"]::before { content: ""; position: absolute; left: 50%; bottom: 2px; width: 5px; height: 5px; margin-left: -3px; background: var(--gold); transform: rotate(45deg); }
.nav-group > a:not(.btn):focus-visible { outline: none; color: var(--fg); box-shadow: inset 0 0 0 1px var(--gold); }
.nav-sep { width: 1px; height: 22px; background: var(--line-2); }
.nav-balance { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 12px; margin-left: auto; box-shadow: inset 0 0 0 1px var(--line-2); color: var(--fg); text-decoration: none; font: 600 13px/1 var(--f-label); letter-spacing: 0.06em; white-space: nowrap; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); transition: background var(--t-quick); }
.nav-balance:hover { background: var(--gold-tint); }
.nav-balance:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--gold); }
.nav-balance b { font-size: 15px; font-variant-numeric: tabular-nums; }
.nav-balance small { color: var(--fg-2); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.nav-balance + .nav-toggle + .nav-links { margin-left: var(--s3); }
.nav-umenu > summary { height: 36px; }
.nav-phone-account { display: none; }
.nav-logout { margin: 0; }
.nav-logout-btn { height: 40px; padding: 0 12px; border: 0; background: none; color: var(--fg-2); font: 600 13px/1 var(--f-label); letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; }
.nav-logout-btn:hover { color: var(--fg); }
.nav-logout-btn:focus-visible { outline: none; box-shadow: inset 0 0 0 1px var(--gold); }
.nav-toggle { display: none; margin-left: auto; align-items: center; gap: 8px; height: 40px; padding: 0 12px; border: 0; background: none; box-shadow: inset 0 0 0 1px var(--line-2); color: var(--fg); font: 600 12px/1 var(--f-label); letter-spacing: 0.16em; text-transform: uppercase; cursor: pointer; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.nav-toggle .ico path { transform-box: fill-box; transform-origin: center; transition: transform var(--t-base) var(--ease-panel), opacity var(--t-quick); }
.nav-toggle .nav-x { opacity: 0; transform: rotate(-90deg) scale(0.6); }
.nav-toggle[aria-expanded="true"] .nav-bar-1, .nav-toggle[aria-expanded="true"] .nav-bar-2, .nav-toggle[aria-expanded="true"] .nav-bar-3 { opacity: 0; transform: scaleX(0.2); }
.nav-toggle[aria-expanded="true"] .nav-x { opacity: 1; transform: none; }
.nav-toggle:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--gold); }
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-balance { margin-left: auto; }
  .nav-balance + .nav-toggle { margin-left: 8px; }
  .nav-links { position: absolute; left: 0; right: 0; top: var(--nav-h); margin: 0; max-height: calc(100vh - var(--nav-h)); max-height: calc(100dvh - var(--nav-h)); overflow-y: auto; flex-direction: column; align-items: stretch; gap: 0; padding: var(--s3) var(--gutter) var(--s5); background: oklch(0.12 0.026 262 / 0.97); border-bottom: 1px solid var(--line-2); backdrop-filter: blur(16px); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity var(--t-panel) var(--ease-out), transform var(--t-panel) var(--ease-out), visibility 0s linear var(--t-panel); }
  .nav.is-open .nav-links { opacity: 1; visibility: visible; transform: none; transition: opacity var(--t-panel) var(--ease-out), transform var(--t-panel) var(--ease-out); }
  .nav.is-open .nav-group > a { animation: gm-in-right var(--t-panel) var(--ease-panel) backwards; }
  .nav.is-open .nav-group > a:nth-child(2) { animation-delay: 30ms; } .nav.is-open .nav-group > a:nth-child(3) { animation-delay: 60ms; }
  .nav.is-open .nav-group > a:nth-child(4) { animation-delay: 90ms; } .nav.is-open .nav-group > a:nth-child(5) { animation-delay: 120ms; }
  .nav.is-open .nav-group > a:nth-child(6) { animation-delay: 150ms; } .nav.is-open .nav-group > a:nth-child(n + 7) { animation-delay: 180ms; }  .nav-group { flex-direction: column; align-items: stretch; }
  .nav-group > a:not(.btn) { height: 48px; padding: 0 4px; border-bottom: 1px solid var(--line); font-size: 14px; }
  .nav-group > a:not(.btn)::after { display: none; }
  .nav-group > a[aria-current="page"]::before { left: auto; right: 6px; bottom: auto; top: 50%; margin: -3px 0 0; }
  .nav-sep { display: none; }
  .nav-account { margin-top: var(--s3); gap: var(--s2); }
  .nav-account .btn { width: 100%; height: 48px; }
  .nav-umenu { display: none; }
  .nav-phone-account { display: grid; }
  .nav-phone-account > a { display: flex; align-items: center; height: 48px; padding: 0 4px; border-bottom: 1px solid var(--line); color: var(--fg-2); font: 600 14px/1 var(--f-label); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; }
  .nav-logout-btn { width: 100%; height: 48px; text-align: left; padding: 0 4px; font-size: 14px; }
}
@media (max-width: 900px) and (scripting: none) {
  .nav-toggle { display: none; }
  .nav { height: auto; min-height: var(--nav-h); }
  .nav-in { flex-wrap: wrap; padding-block: 10px; }
  .nav-links { position: static; opacity: 1; visibility: visible; transform: none; width: 100%; background: none; border: 0; padding: 0; }
}
@media (max-width: 420px) { .nav-balance small { display: none; } .nav-toggle span { display: none; } .nav-toggle { width: 44px; justify-content: center; padding: 0; } }

/* Search: opens the command palette (studio-palette.js) on every page, Ctrl K / ⌘K too. */
.nav-search { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 10px; border: 0; background: none; box-shadow: inset 0 0 0 1px var(--line-2); color: var(--fg-2); font: 600 12px/1 var(--f-label); letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); transition: color var(--t-quick), background var(--t-quick); }
.nav-search .ico { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.nav-search:hover { color: var(--fg); background: var(--gold-tint); }
.nav-search:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--gold); }
.nav-search .kbd { font-size: 10px; }
@media (min-width: 901px) and (max-width: 1180px) { .nav-search-label, .nav-search .kbd { display: none; } .nav-search { width: 34px; justify-content: center; padding: 0; } }
@media (max-width: 900px) { .nav-search { width: 100%; height: 48px; margin-top: var(--s2); justify-content: flex-start; padding: 0 4px; clip-path: none; box-shadow: none; border-bottom: 1px solid var(--line); font-size: 14px; } .nav-search .kbd { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .nav-sweep { display: none; }
  .nav-links, .nav.is-open .nav-group > a, .nav-toggle .ico path { transition: none; animation: none; }
}