:root {
  --site-nav-bg: #20262d;
  --site-nav-text: #f5f7f9;
  --site-nav-muted: #c9d0d6;
  --site-nav-hover: rgba(255, 255, 255, 0.09);
  --site-nav-border: rgba(255, 255, 255, 0.1);
}

:root[data-theme="dark"] {
  --site-nav-bg: #0f1318;
  --site-nav-text: #f7f9fb;
  --site-nav-muted: #c6ccd2;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --site-nav-bg: #0f1318;
    --site-nav-text: #f7f9fb;
    --site-nav-muted: #c6ccd2;
  }
}

.page-shell {
  width: min(1180px, calc(100% - 2rem));
}

.site-header {
  position: sticky;
  top: 0.65rem;
  z-index: 20;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 0.55rem 0.65rem 0.55rem 1rem;
  border: 1px solid var(--site-nav-border);
  border-radius: 20px;
  background: var(--site-nav-bg);
  color: var(--site-nav-text);
  box-shadow: 0 12px 30px rgba(13, 17, 22, 0.18);
}

.site-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  white-space: nowrap;
}

.site-brand-name,
.site-brand-section {
  display: inline-flex;
  align-items: baseline;
  color: inherit;
  text-decoration: none;
}

.site-brand-name strong {
  color: #ffffff;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.site-brand-section span {
  color: var(--site-nav-muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.site-brand-section[aria-current="page"] span {
  color: #ffffff;
}

.site-brand-name:hover strong,
.site-brand-name:focus-visible strong {
  color: #8fd3f4;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.nav-link,
.nav-language-control,
.site-header .theme-toggle {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: var(--site-nav-text);
  font-weight: 750;
  text-decoration: none;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.nav-link,
.site-header .theme-toggle,
.nav-language-select {
  cursor: pointer;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-language-control:hover,
.nav-language-control:focus-within,
.site-header .theme-toggle:hover,
.site-header .theme-toggle:focus-visible,
.nav-link[aria-current="page"] {
  border-color: rgba(255, 255, 255, 0.12);
  background: var(--site-nav-hover);
  outline: none;
  box-shadow: none;
}

.nav-link:active,
.site-header .theme-toggle:active {
  transform: translateY(1px);
}

.nav-language-control {
  position: relative;
  padding-right: 0.45rem;
}

.nav-language-select {
  min-width: 0;
  padding: 0.15rem 0.35rem;
  border: 0;
  background: transparent;
  color: var(--site-nav-text);
  font: inherit;
  font-weight: 750;
  outline: none;
}

.nav-language-select option {
  background: var(--strong);
  color: var(--text);
}

.site-header .theme-toggle {
  padding: 0.65rem 0.8rem;
  color: var(--site-nav-text);
}

.site-header .theme-toggle-icon {
  width: 1.1rem;
  text-align: center;
}

.site-brand-name:focus-visible,
.site-brand-section:focus-visible {
  border-radius: 7px;
  outline: none;
  box-shadow: 0 0 0 3px rgba(105, 185, 232, 0.3);
}

@media (max-width: 1100px) {
  .site-header {
    position: static;
    align-items: stretch;
    flex-direction: column;
    padding: 0.8rem;
  }

  .site-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 1rem, 1180px);
  }

  .site-header {
    border-radius: 22px;
  }
}

@media (max-width: 620px) {
  .site-brand {
    padding: 0.2rem 0.35rem;
  }

  .site-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .nav-link,
  .nav-language-control,
  .site-header .theme-toggle {
    width: 100%;
  }

  .nav-language-select {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-link,
  .site-header .theme-toggle {
    transition: none;
  }
}

.menu { position: relative; }
.menu > summary { display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:.45rem;padding:.65rem .8rem;border:1px solid transparent;border-radius:13px;background:transparent;color:var(--site-nav-text);font-weight:750;cursor:pointer;list-style:none;transition:background 140ms ease,border-color 140ms ease,transform 140ms ease; }
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary:hover,.menu > summary:focus-visible,.menu[open] > summary { border-color:rgba(255,255,255,.12);background:var(--site-nav-hover);outline:none; }
.menu-caret { font-size:1.05rem;line-height:1;transition:transform 140ms ease; }
.menu[open] .menu-caret { transform:rotate(180deg); }
.menu-panel { position:absolute;top:calc(100% + .55rem);right:0;z-index:30;border:1px solid var(--site-nav-border);border-radius:16px;background:var(--site-nav-bg);box-shadow:0 16px 34px rgba(13,17,22,.28); }
.project-menu-panel { display:grid;grid-template-columns:minmax(190px,.9fr) minmax(250px,1.1fr);width:min(520px,calc(100vw - 2rem));overflow:hidden; }
.project-menu-games,.project-menu-mods { padding:.65rem; }.project-menu-games { border-right:1px solid var(--site-nav-border); }.project-menu-label { margin:.35rem .55rem .55rem;color:var(--site-nav-muted);font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase; }
.project-menu-separator{width:68%;height:1px;margin:.55rem auto;background:linear-gradient(90deg,transparent,rgba(0,217,229,.72),transparent);box-shadow:0 0 7px rgba(0,217,229,.28)}
.project-menu-games button,.project-menu-mods a { display:flex;width:100%;align-items:center;justify-content:space-between;gap:.7rem;padding:.7rem .55rem;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--site-nav-text);font:inherit;font-weight:750;text-align:left;text-decoration:none; }.project-menu-games button { cursor:pointer; }.project-menu-games button:hover,.project-menu-games button:focus-visible,.project-menu-games button[aria-selected="true"],.project-menu-mods a:hover,.project-menu-mods a:focus-visible { border-color:var(--site-nav-border);background:var(--site-nav-hover);outline:none; }.project-menu-mods a { align-items:flex-start;flex-direction:column; }.project-menu-mods a+a { margin-top:.2rem; }.project-menu-mods small { color:var(--site-nav-muted);font-size:.78rem;font-weight:600;line-height:1.35; }
@media (max-width:900px){.menu-panel{left:0;right:auto}}
@media (max-width:620px){.menu{grid-column:span 2}.menu>summary{width:100%}.project-menu-panel{grid-template-columns:1fr;width:100%}.project-menu-games{border-right:0;border-bottom:1px solid var(--site-nav-border)}.project-menu-games button{min-height:40px}}

/* Desktop cascade: each level opens beside its parent rather than beneath it. */
@media (min-width:1101px){
  .project-menu > .project-menu-panel{top:calc(100% + .55rem);right:auto;left:0;display:block;width:220px;overflow:visible}
  .project-menu-games{border-right:0}
  .project-menu-mods{position:absolute;top:0;left:calc(100% + .55rem);width:280px;max-height:var(--project-menu-max-height,calc(100vh - 7rem));overflow-y:auto;padding:.65rem;border:1px solid var(--site-nav-border);border-radius:16px;background:var(--site-nav-bg);box-shadow:0 16px 34px rgba(13,17,22,.28)}
  .project-menu.project-menu--flip > .project-menu-panel{right:0;left:auto}
  .project-menu.project-menu--flip .project-menu-mods{right:calc(100% + .55rem);left:auto}
}

/* Narrow screens cannot safely fit a right-opening three-level cascade. */
@media (max-width:1100px){
  .project-menu > .project-menu-panel{right:0;left:auto;display:block;width:min(320px,calc(100vw - 1rem));max-height:var(--project-menu-max-height,calc(100vh - 7rem));overflow-x:hidden;overflow-y:auto}
  .project-menu-games{border-right:0}
  .project-menu-mods{width:auto;margin-top:.55rem;padding:.65rem;border:1px solid var(--site-nav-border);border-radius:16px;background:var(--site-nav-bg);box-shadow:0 16px 34px rgba(13,17,22,.28)}
}

/* Structural navigation frames match the angular page panels. */
.site-header{border-radius:0}
.menu-panel,.project-menu-mods{border-radius:0}
.project-menu-mods{z-index:40;clip-path:polygon(0 10px,10px 0,calc(100% - 10px) 0,100% 10px,100% calc(100% - 10px),calc(100% - 10px) 100%,10px 100%,0 calc(100% - 10px))}

/* The canonical site header and menu-panel frames are owned by shared-ui.css. */
.project-menu-mods{isolation:isolate;border-color:rgba(0,207,215,.54);box-shadow:0 0 0 1px rgba(0,130,143,.32),0 0 22px rgba(0,210,220,.08),inset 0 0 30px rgba(0,209,219,.035),0 20px 44px rgba(0,0,0,.24)}
.project-menu-mods::before{position:absolute;z-index:3;inset:7px;pointer-events:none;content:"";border:1px solid rgba(0,183,193,.2);clip-path:polygon(0 8px,8px 0,calc(100% - 8px) 0,100% 8px,100% calc(100% - 8px),calc(100% - 8px) 100%,8px 100%,0 calc(100% - 8px));background:linear-gradient(90deg,#00d9e5,transparent) 0 0/3.5rem 1px no-repeat,linear-gradient(180deg,#00d9e5,transparent) 0 0/1px 3.5rem no-repeat,linear-gradient(-90deg,#00d9e5,transparent) 100% 100%/3.5rem 1px no-repeat,linear-gradient(0deg,#00d9e5,transparent) 100% 100%/1px 3.5rem no-repeat}
.nav-link,.nav-language-control,.site-header .theme-toggle,.menu>summary,.project-menu-games button,.project-menu-mods a{border-radius:0;clip-path:polygon(0 7px,7px 0,calc(100% - 7px) 0,100% 7px,100% calc(100% - 7px),calc(100% - 7px) 100%,7px 100%,0 calc(100% - 7px))}
@media(max-width:1100px){.project-menu-mods{position:relative;top:auto;right:auto;left:auto}}

/* JavaScript shifts the open cascade only when its measured bounds need viewport correction. */
.project-menu>.project-menu-panel{transform:translateX(var(--project-menu-shift,0px))}

/* Top navigation uses an understated technical active state instead of filled button blocks. */
.site-nav>.nav-link:hover,.site-nav>.nav-link:focus-visible,.site-nav>.nav-link[aria-current="page"],.site-nav>.menu>summary:hover,.site-nav>.menu>summary:focus-visible,.site-nav>.menu[open]>summary,.site-nav>.nav-language-control:hover,.site-nav>.nav-language-control:focus-within,.site-nav>.theme-toggle:hover,.site-nav>.theme-toggle:focus-visible{border-color:transparent;border-bottom-color:#00d9e5;background:linear-gradient(180deg,rgba(0,217,229,.08),transparent);box-shadow:inset 0 -2px 0 #00d9e5,0 0 10px rgba(0,217,229,.1)}

/* Cascade selections follow the same line-led interaction treatment. */
.project-menu-games button:hover,.project-menu-games button:focus-visible,.project-menu-games button[aria-selected="true"],.project-menu-mods a:hover,.project-menu-mods a:focus-visible{border-color:transparent;border-bottom-color:#00d9e5;background:linear-gradient(180deg,rgba(0,217,229,.08),transparent);box-shadow:inset 0 -2px 0 #00d9e5,0 0 10px rgba(0,217,229,.08)}