:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --success: #16a34a;
  --danger: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ---------- 顶部导航 ---------- */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  font-weight: 700;
  font-size: 17px;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
}
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.15s;
}
.nav-links a:hover { color: var(--primary); background: #eff6ff; }
.nav-links a.active { color: var(--primary); background: #eff6ff; font-weight: 600; }
.nav-user { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.nav-user .btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.nav-user .btn-logout:hover { color: var(--danger); border-color: var(--danger); }

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }
.page-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.page-sub { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.card h3 { font-size: 15px; font-weight: 600; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 2px; }
.stat-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.stat-badge.ok { background: #dcfce7; color: #166534; }
.stat-badge.bad { background: #fee2e2; color: #991b1b; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.switch-line { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--text); cursor: pointer; }
.switch-line input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); }
input[type="text"], input[type="password"], input[type="email"], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}
textarea { resize: vertical; min-height: 90px; font-family: "SFMono-Regular", Consolas, monospace; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  transition: background 0.15s;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); }
.btn-danger {
  background: #fff;
  color: var(--danger);
  border: 1px solid #fecaca;
  font-size: 12px;
  padding: 5px 12px;
}
.btn-danger:hover { background: #fee2e2; }
.btn-copy {
  background: #eff6ff;
  color: var(--primary);
  border: 1px solid #bfdbfe;
  font-size: 12px;
  padding: 5px 12px;
}
.btn-copy:hover { background: #dbeafe; }

/* ---------- 消息提示 ---------- */
.alert {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}
.alert.show { display: block; }
.alert.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert.error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert.info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: #f8fafc; }
.key-cell { font-family: "SFMono-Regular", Consolas, monospace; word-break: break-all; }

/* ---------- 代码块 ---------- */
pre.code {
  background: #0f172a;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 8px;
  font-size: 13px;
  overflow-x: auto;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  line-height: 1.6;
  position: relative;
}
pre.code .lang { position: absolute; top: 10px; right: 14px; color: #94a3b8; font-size: 11px; }
pre.code .c { color: #64748b; }
pre.code .k { color: #93c5fd; }
pre.code .s { color: #86efac; }
pre.code .n { color: #fbbf24; }

/* ---------- 认证页（居中卡片） ---------- */
.auth-wrap {
  min-height: calc(100vh - 58px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
}
.auth-card { width: 100%; max-width: 400px; }
.auth-card .card { padding: 30px; }
.auth-card h2 { font-size: 20px; margin-bottom: 6px; }
.auth-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.auth-card .switch { text-align: center; font-size: 13px; color: var(--muted); margin-top: 16px; }
.auth-card .switch a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* ---------- 其它 ---------- */
.muted { color: var(--muted); font-size: 13px; }
.section-gap { margin-top: 24px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.empty { text-align: center; color: var(--muted); padding: 24px 0; font-size: 14px; }
.api-list { list-style: none; }
.api-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.api-list .method {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  width: 52px;
  text-align: center;
}
.method.get { background: #dbeafe; color: #1d4ed8; }
.method.post { background: #dcfce7; color: #15803d; }
.method.del { background: #fee2e2; color: #b91c1c; }
.api-list .path { font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px; }
.api-list .desc { color: var(--muted); font-size: 13px; margin-left: auto; text-align: right; }
.mono { font-family: "SFMono-Regular", Consolas, monospace; }