:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --border: #dfe4ec;
  --text: #1f2733;
  --muted: #6b7688;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #111827;
  color: #fff;
  padding: 12px 24px;
}
.brand { font-weight: 700; letter-spacing: 0.5px; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.whoami { color: #d1d5db; }

.container { max-width: 1080px; margin: 24px auto; padding: 0 16px; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.page-head h1 { font-size: 22px; margin: 0; }

.server-state {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--card);
}
.server-state.ok { color: var(--ok); border-color: #bbf7d0; }
.server-state.down { color: var(--danger); border-color: #fecaca; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.card h2 { font-size: 16px; margin: 0 0 14px; }

.login-card {
  max-width: 380px;
  margin: 10vh auto 0;
}
.login-card h1 { font-size: 20px; text-align: center; margin: 0 0 4px; }
.login-card p { text-align: center; margin-top: 0; }
.login-card form { margin-top: 16px; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input[type="text"], input[type="password"], select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus { outline: 2px solid #bfdbfe; border-color: var(--primary); }

.grid-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  align-items: end;
}
.grid-form label { margin-bottom: 0; }
.grid-form .btn { height: 38px; }

.btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #f1f5f9; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ok { color: var(--ok); border-color: #bbf7d0; }
.btn-warn { color: var(--warn); border-color: #fde68a; }
.btn-danger { color: var(--danger); border-color: #fecaca; }
.btn-small { padding: 4px 8px; font-size: 12px; }
.btn-ghost { background: transparent; color: #d1d5db; border-color: #374151; }
.btn-ghost:hover { background: #1f2937; color: #fff; }
.btn-block { width: 100%; }

.inline { display: inline-block; margin: 0; }
.actions { white-space: nowrap; }
.actions form { margin-right: 4px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.row-disabled td { opacity: 0.55; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid;
}
.badge-admin { color: #7c3aed; border-color: #ddd6fe; background: #f5f3ff; }
.badge-user { color: #2563eb; border-color: #bfdbfe; background: #eff6ff; }
.badge-active { color: var(--ok); border-color: #bbf7d0; background: #f0fdf4; }
.badge-warn { color: var(--warn); border-color: #fde68a; background: #fffbeb; }
.badge-disabled { color: var(--danger); border-color: #fecaca; background: #fef2f2; }
.owner-link { color: var(--primary); text-decoration: none; }
.owner-link:hover { text-decoration: underline; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 4px; }
.dot-on { background: var(--ok); box-shadow: 0 0 0 3px #dcfce7; }
.dot-off { background: #cbd5e1; }

.flash {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid;
}
.flash-success { color: var(--ok); background: #f0fdf4; border-color: #bbf7d0; }
.flash-error { color: var(--danger); background: #fef2f2; border-color: #fecaca; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); }

/* —— 内联 SVG 图标 —— */
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.14em;
  flex: none;
}
.card h2 .icon { margin-right: 2px; }
.brand .icon { width: 18px; height: 18px; vertical-align: -3px; }
.login-card h1 .icon { width: 22px; height: 22px; vertical-align: -4px; }

/* —— 多页面导航 —— */
.nav-links { display: flex; gap: 4px; margin-left: 24px; flex: 1; }
.nav-links a {
  color: #9ca3af;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 14px;
}
.nav-links a:hover { color: #fff; background: #1f2937; }
.nav-links a.active { color: #fff; background: #2563eb; }

/* —— 概览统计卡片 —— */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.stat-num { font-size: 30px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 2px; }
.stat-card.stat-ok .stat-num { color: var(--ok); }
.stat-card.stat-warn .stat-num { color: var(--warn); }

/* —— 凭据回显横幅 —— */
.cred-banner { border-color: #fde68a; background: #fffbeb; }
.cred-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
  flex-wrap: wrap;
}
.cred-label {
  width: 44px;
  color: var(--muted);
  font-size: 13px;
  flex: none;
}
.cred-value {
  font-family: var(--mono);
  font-size: 16px;
  background: #fff;
  border: 1px dashed #f59e0b;
  border-radius: 6px;
  padding: 6px 14px;
  user-select: all;
}
.cred-banner .btn-primary { margin-top: 8px; }

/* —— 复制按钮 —— */
.btn-copy { color: var(--primary); border-color: #bfdbfe; background: #eff6ff; }
.btn-copy:hover { background: #dbeafe; }
.btn-copy.copied { color: var(--ok); border-color: #bbf7d0; background: #f0fdf4; }

/* —— 键值表 —— */
.kv-table { border-collapse: collapse; margin-bottom: 14px; }
.kv-table td { padding: 7px 18px 7px 0; border: none; vertical-align: middle; }
.kv-table td:first-child { color: var(--muted); width: 110px; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.crumb { color: var(--muted); text-decoration: none; font-size: 16px; }
.crumb:hover { color: var(--primary); }
.danger-zone { border-color: #fecaca; }

.hint-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  margin-top: 12px;
}
.hint-box ul { margin: 4px 0 0; padding-left: 18px; }
.hint-box li { margin: 3px 0; }

.mini-select {
  display: inline-block;
  width: auto;
  margin: 0;
  padding: 4px 6px;
  font-size: 12px;
}