/* 协奏曲 · new-api 外壳主题（nginx sub_filter 注入到每个页面）
 * 只动首页/公开页顶栏，控制台保持 new-api 默认样式。
 * 选择器依赖 new-api v1.0.0-rc.22 的 DOM；升级 new-api 后需回归检查。 */

@font-face {
  font-family: "Geist";
  src: url("/brand/fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

/* 首页：iframe 占满视口，顶栏浮在其上 */
iframe[src*="/brand/home"] { display: block; background: #fcfcfb; }

/* 公开页顶栏（首页 / 模型广场等，非控制台） */
header.fixed nav {
  font-family: "Geist", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}
header.fixed nav > a:first-child span { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
header.fixed nav div.hidden > a:not([href="/sign-in"]) {
  font-size: 15px !important;
  font-weight: 450 !important;
  padding: 6px 12px !important;
}
header.fixed nav a[href="/sign-in"] {
  height: 38px !important;
  padding: 0 18px !important;
  border-radius: 999px !important;
  font-size: 14.5px !important;
}

/* 首页（浅色主题）：顶栏换成 xAI 式纯净白 + 黑色胶囊按钮 */
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed {
  background: rgba(252, 252, 251, 0.9);
  border-bottom: 1px solid #e7e7e4;
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
}
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed nav > a:first-child { color: #0c0c0d; }
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed nav div.hidden > a:not([href="/sign-in"]) { color: #55555a; }
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed nav div.hidden > a[aria-current="page"],
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed nav div.hidden > a:not([href="/sign-in"]):hover { color: #0c0c0d; }
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed nav a[href="/sign-in"] {
  background: #0c0c0d !important;
  color: #fafafa !important;
}
html:not(.dark) body:has(iframe[src*="/brand/home"]) header.fixed nav a[href="/sign-in"]:hover { background: #2a2a2d !important; }

/* 深色主题下首页仍是浅色内容，顶栏跟随内容保持浅色，避免黑条压在白页上 */
html.dark body:has(iframe[src*="/brand/home"]) header.fixed {
  background: rgba(252, 252, 251, 0.9);
  border-bottom: 1px solid #e7e7e4;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: #0c0c0d;
}
html.dark body:has(iframe[src*="/brand/home"]) header.fixed nav a,
html.dark body:has(iframe[src*="/brand/home"]) header.fixed nav button { color: #2c2c2f; }
html.dark body:has(iframe[src*="/brand/home"]) header.fixed nav a[href="/sign-in"] { background: #0c0c0d !important; color: #fafafa !important; }

/* ---------- 首页顶栏布局：xAI 式（Logo + 左对齐导航 ｜ 右侧按钮组），与首页内容同宽 ---------- */
body:has(iframe[src*="/brand/home"]) header.fixed > div {
  max-width: 1264px !important;
  padding-left: clamp(16px, 3vw, 32px) !important;
  padding-right: clamp(16px, 3vw, 32px) !important;
  padding-top: 0 !important;
}
body:has(iframe[src*="/brand/home"]) header.fixed nav {
  height: 68px !important;
  padding: 0 !important;
  justify-content: flex-start !important;
  gap: 44px;
}
body:has(iframe[src*="/brand/home"]) header.fixed nav > a:first-child span { font-size: 17px; }
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden {
  flex: 1;
  gap: 4px !important;
}
/* 第一个分隔线变成弹性空白，把右侧按钮组推到最右；其余分隔线隐藏 */
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden > div[class*="w-px"] { display: none; }
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden > div[class*="w-px"]:first-of-type {
  display: block;
  margin: 0 8px 0 auto !important;
  width: 0 !important;
  background: none !important;
}
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden > a:not([href="/sign-in"]) {
  border-radius: 999px !important;
  padding: 6px 14px !important;
  transition: color 0.2s, background 0.2s;
}
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden > a:not([href="/sign-in"]):hover { background: #f2f2f0 !important; }
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden > button {
  width: 38px !important;
  height: 38px !important;
  border-radius: 999px !important;
  color: #2c2c2f;
}
body:has(iframe[src*="/brand/home"]) header.fixed nav > div.hidden > button:hover { background: #efefec !important; }
body:has(iframe[src*="/brand/home"]) header.fixed nav a[href="/sign-in"] {
  height: 40px !important;
  margin-left: 6px;
  padding: 0 20px !important;
  font-size: 15px !important;
  font-weight: 500 !important;
}