:root {
  --bg1: #0f172a;
  --bg2: #1e1b4b;
  --bg3: #0f172a;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --danger: #f43f5e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg1) 0%, var(--bg2) 50%, var(--bg3) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* 背景光斑 */
body::before, body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}
body::before {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.55), transparent 70%);
  top: -120px; left: -80px;
}
body::after {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.5), transparent 70%);
  bottom: -140px; right: -100px;
}

.wrap { position: relative; z-index: 1; }

/* ===== 登录页 ===== */
.login-box {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  padding: 40px 36px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.login-card h1 {
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 1px;
}
.login-card .sub {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin: 10px 0 28px;
}
.login-card label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 16px 0 6px;
}
.login-card input {
  width: 100%;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.login-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}
.login-card button {
  width: 100%;
  margin-top: 26px;
  padding: 13px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  transition: transform 0.15s, opacity 0.15s;
}
.login-card button:hover { transform: translateY(-1px); opacity: 0.95; }
.login-card button:active { transform: translateY(0); }
.error-msg {
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
  font-size: 13px;
  text-align: center;
}

/* ===== 导航页 ===== */
.topbar {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 {
  font-size: 26px;
  font-weight: 700;
}
.topbar .sub { color: var(--muted); font-size: 14px; margin-top: 6px; }
.topbar .logout {
  padding: 9px 18px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}
.topbar .logout:hover { background: rgba(255, 255, 255, 0.12); }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px 64px;
}

.group { margin-top: 34px; }
.group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.group-title .gicon { font-size: 22px; }
.group-title .gname { letter-spacing: 0.5px; }
.group-title .gcount {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
  margin-left: 4px;
}

.site-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 20px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.site-row:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}
.site-row .sicon {
  width: 46px; height: 46px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.18);
}
.site-row .sinfo { flex: 1; min-width: 0; }
.site-row .sname { font-size: 15px; font-weight: 700; }
.site-row .sdesc {
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
  line-height: 1.5;
}
.site-row .actions { display: flex; gap: 10px; flex-shrink: 0; }
.btn {
  text-align: center;
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, opacity 0.15s;
}
.btn:hover { transform: translateY(-1px); opacity: 0.92; }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--card-border);
}

@media (max-width: 560px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 14px; }
  .site-row { flex-wrap: wrap; }
  .site-row .sinfo { flex: 1 1 100%; }
}