/* HEADER / BRAND */
.site-header {
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 var(--gutter);
  position: sticky;
  top: 0;
  background: rgba(7, 8, 10, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 20;
}
.brand img { height: 38px; width: auto; display: block; }

.nav { display: flex; gap: 32px; color: #aeb5bd; font-size: 14px; }
.nav a { position: relative; padding: 6px 0; transition: color .2s; }
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .25s;
}
.nav a:hover, .nav a.active { color: var(--text); }
.nav .nav-store { display: none; }
.nav a.active::after { transform: scaleX(1); }

.header-play {
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--line-strong);
  padding: 8px 14px;
  transition: border-color .2s, color .2s;
  white-space: nowrap;
}
.header-play:hover { border-color: var(--accent); color: var(--accent); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu-toggle span { display: block; width: 18px; height: 2px; background: var(--text); transition: transform .25s, opacity .25s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Account button + menu */
.header-actions { display: flex; align-items: center; gap: 10px; }
.account { position: relative; }
.account-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color .2s, color .2s;
}
.account-btn:hover { border-color: var(--accent); color: var(--accent); }
.account-btn.signed-in { padding-left: 5px; }
.avatar { width: 26px; height: 26px; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 13px; }
.account-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 260px;
  background: #0b0e11;
  border: 1px solid var(--line-strong);
  box-shadow: 0 20px 50px #000c;
  padding: 16px;
  z-index: 30;
  animation: pop-in .18s ease-out;
}
.account-menu-head { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.account-menu-head strong { display: block; font-size: 18px; letter-spacing: 0; text-transform: none; color: var(--text); margin-top: 2px; }
.account-bests { margin: 12px 0; font-size: 13px; color: var(--muted); }
.account-bests ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.account-bests li { display: flex; align-items: baseline; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.account-bests li span { flex: 1; }
.account-bests strong { color: var(--text); }
.account-bests em { font-style: normal; color: var(--accent); font-weight: 700; font-size: 12px; }
.account-bests small { color: #7a838d; }
.account-signout { width: 100%; background: none; border: 1px solid var(--line-strong); color: var(--text); padding: 10px; font-weight: 600; cursor: pointer; }
.account-signout:hover { border-color: var(--bad); color: var(--bad); }