/* AgentX Desktop 站点 — 深色科技风 */
:root {
  --bg: #0a0e17;
  --panel: #0e1526;
  --card: #111a2e;
  --border: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary2: #818cf8;
  --ok: #4ade80;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 70% -10%, rgba(56, 189, 248, 0.08), transparent 60%),
    radial-gradient(900px 400px at 10% 0%, rgba(129, 140, 248, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: #7dd3fc; }
.inline { display: inline; }

/* 顶部导航 */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(10, 14, 23, 0.82);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #051021; font-weight: 800; font-size: 12px;
  display: grid; place-items: center; letter-spacing: 0.5px;
}
.brand-name { font-weight: 600; font-size: 15px; }
.brand-name em { font-style: normal; color: var(--muted); font-size: 12px; font-weight: 500; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 14px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.link-btn {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--muted); font-size: 14px; font-family: inherit;
}
.link-btn:hover { color: var(--text); }

.page { max-width: 1080px; margin: 0 auto; padding: 40px 20px 64px; }

/* 首屏 */
.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 44px; align-items: center; padding: 32px 0 20px; }
.eyebrow { letter-spacing: 0.18em; font-size: 11.5px; color: var(--primary); font-weight: 700; }
.hero h1 { font-size: 42px; line-height: 1.16; margin: 12px 0 14px; letter-spacing: -0.5px; }
.hero-text p { color: var(--muted); font-size: 16px; margin: 0; }
.hero-actions { display: flex; gap: 12px; margin: 24px 0 12px; flex-wrap: wrap; }
.hero-meta { color: var(--muted); font-size: 13px; }
.hero-visual .window {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #0d1424;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
.window-bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.window-bar i { width: 10px; height: 10px; border-radius: 50%; background: #223049; }
.window-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.line { height: 10px; border-radius: 6px; background: #1b2942; }
.w80 { width: 80%; } .w70 { width: 70%; } .w60 { width: 60%; } .w40 { width: 40%; }
.bubble {
  max-width: 82%;
  background: #16223a;
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  color: #cbd5e1;
}
.bubble.me {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.16), rgba(129, 140, 248, 0.16));
}

/* 功能特性 */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 44px; }
.feature { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.feature h3 { margin: 0 0 8px; font-size: 15.5px; }
.feature p { margin: 0; color: var(--muted); font-size: 13.5px; }

/* 通用 */
.section h2 { font-size: 26px; margin: 0 0 18px; letter-spacing: -0.3px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; padding: 10px 18px;
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
  border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary2)); color: #051021; }
.btn-primary:hover { filter: brightness(1.08); color: #051021; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: #334155; color: var(--text); }
.btn-small { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; margin-top: 20px; }

.table-card { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 13px; background: var(--panel); }
tr:last-child td { border-bottom: none; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.changelog { white-space: pre-wrap; margin-top: 4px; }
.empty { border: 1px dashed var(--border); border-radius: 14px; padding: 28px; text-align: center; color: var(--muted); font-size: 14px; }

/* 登录 / 注册 */
.auth { display: flex; justify-content: center; padding: 40px 0; }
.auth-card { width: 400px; max-width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; }
.auth-card h2 { margin: 0 0 6px; font-size: 22px; }
label { display: block; font-size: 13px; color: var(--muted); margin-top: 14px; }
.input {
  width: 100%; margin-top: 6px;
  background: #0c1322; border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 10px 12px; font-size: 14px; outline: none;
  font-family: inherit;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.14); }
.alert {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.38);
  color: #fca5a5; padding: 10px 12px; border-radius: 10px;
  font-size: 13px; margin-top: 14px;
}

/* 账号中心 */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 14px; font-size: 15.5px; }
.kv { display: grid; grid-template-columns: 84px 1fr; gap: 8px 14px; margin: 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.badge {
  display: inline-block; font-size: 12px; padding: 2px 10px;
  border-radius: 999px; border: 1px solid;
}
.badge.green { color: var(--ok); border-color: rgba(74, 222, 128, 0.4); background: rgba(74, 222, 128, 0.08); }
.badge.red { color: var(--danger); border-color: rgba(248, 113, 113, 0.4); background: rgba(248, 113, 113, 0.08); }
.badge.gray { color: var(--muted); border-color: var(--border); background: rgba(148, 163, 184, 0.06); }
.copy-btn {
  margin-left: 8px; background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 7px; font-size: 12px; padding: 2px 8px; cursor: pointer; font-family: inherit;
}
.copy-btn:hover { color: var(--text); border-color: #334155; }

.footer { border-top: 1px solid var(--border); margin-top: 64px; }
.footer-inner {
  max-width: 1080px; margin: 0 auto; padding: 22px 20px;
  display: flex; justify-content: space-between; gap: 12px;
  color: var(--muted); font-size: 13px; flex-wrap: wrap;
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 32px; }
  .features { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { gap: 12px; }
}