:root {
  --primary: #2f6bff;
  --primary-dark: #1f4fd6;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --border: #e6e9f0;
  --text: #1f2733;
  --muted: #8a93a6;
  --success: #1faa6b;
  --danger: #e5484d;
  --warn: #e6a23c;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(31, 39, 51, 0.06);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  transition: .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-danger { background: #fff; color: var(--danger); border-color: #f3c2c4; }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
input, select, textarea {
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 4px; }

/* Layout */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 18px 12px;
  flex-shrink: 0;
}
.brand { font-weight: 700; font-size: 16px; padding: 6px 10px 18px; color: var(--primary); }
.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: 8px; color: var(--text);
  cursor: pointer; margin-bottom: 4px; font-size: 13px;
}
.nav-item:hover { background: var(--bg); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item .ic { width: 20px; text-align: center; font-size: 16px; }
.bi { font-size: 1em; vertical-align: -0.125em; line-height: 1; }
.btn .bi, .brand .bi, .topbar .user .bi { margin-right: 5px; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 56px; background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 22px;
}
.topbar .title { font-weight: 600; }
.topbar .user { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.content { padding: 22px; overflow: auto; }
.app-footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px 0 8px; }

/* Cards & tables */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.card h3 { margin: 0 0 14px; font-size: 15px; }
.grid { display: grid; gap: 16px; }
.stats { grid-template-columns: repeat(4, 1fr); }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.stat .num { font-size: 26px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 12px; margin-top: 4px; }
.stat.blue .num { color: var(--primary); }
.stat.green .num { color: var(--success); }
.stat.orange .num { color: var(--warn); }
.stat.gray .num { color: var(--muted); }

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; background: #fafbfd; }
tr:hover td { background: #fafbff; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 12px; }
.tag.ok { background: #e6f7ef; color: var(--success); }
.tag.used { background: #fdeaea; color: var(--danger); }
.tag.off { background: #f0f1f4; color: var(--muted); }
.tag.pub { background: #eaf1ff; color: #2f6fed; }
.tag.priv { background: #f0f1f4; color: #6b7280; }

.toolbar { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
/* 紧凑图标操作按钮 + tooltip */
.icon-btn {
  width: 32px; height: 32px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: #fff; color: var(--muted);
  border-radius: 8px; cursor: pointer; transition: .15s; position: relative;
}
.icon-btn:hover { color: var(--primary); border-color: var(--primary); background: #f5f8ff; }
.icon-btn.active { color: var(--success); border-color: #b6e3cd; background: #eef9f3; }
.icon-btn.active:hover { color: var(--danger); border-color: var(--danger); background: #fdeaea; }
.icon-btn.danger { color: var(--danger); border-color: #f3c2c4; }
.icon-btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.icon-btn .bi { margin: 0; font-size: 15px; }
.icon-btn[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
  background: #1f2733; color: #fff; font-size: 12px; white-space: nowrap;
  padding: 4px 8px; border-radius: 6px; z-index: 20; pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.icon-btn[data-tip]:hover::before {
  content: ""; position: absolute; bottom: calc(100% + 1px); left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: #1f2733; z-index: 20; pointer-events: none;
}
.actions-cell { white-space: nowrap; }

/* Toast 提示 */
#toast-box {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 10px; z-index: 999; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 8px;
  min-width: 180px; max-width: 80vw; padding: 10px 16px;
  border-radius: 10px; font-size: 13px; color: #fff;
  background: #2b3445; box-shadow: 0 8px 24px rgba(0,0,0,.18);
  opacity: 0; transform: translateY(-10px); transition: .28s; pointer-events: auto;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast .bi { font-size: 16px; }
.toast-success { background: #1faa6b; }
.toast-error { background: #e5484d; }
.toast-info { background: #2f6bff; }

/* Modal */
.modal-mask {
  position: fixed; inset: 0; background: rgba(20,28,44,.45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: #fff; border-radius: 12px; width: 560px; max-width: 92vw;
  max-height: 88vh; overflow: auto; padding: 22px; box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.modal h3 { margin: 0 0 16px; }
.field { margin-bottom: 14px; }
.field input, .field select, .field textarea { width: 100%; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 360px; background: #fff; border-radius: 14px; padding: 30px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.login-card h2 { margin: 0 0 4px; }
.login-card .sub { color: var(--muted); margin-bottom: 22px; font-size: 13px; }
.msg { padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 14px; }
.msg.err { background: #fdeaea; color: var(--danger); }
.msg.ok { background: #e6f7ef; color: var(--success); }
.empty { text-align: center; color: var(--muted); padding: 30px; }

.pagination { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 14px; }
.copy-box { display: flex; gap: 8px; align-items: center; }
.copy-box code { background: #f4f6fa; padding: 6px 10px; border-radius: 6px; font-size: 13px; flex: 1; word-break: break-all; }
.key-box { background: #eef3ff; color: #2f6bff; padding: 6px 14px; border-radius: 6px; font-size: 18px; font-weight: 700; letter-spacing: 4px; }

.qr { background:#fff; padding:10px; border:1px solid var(--border); border-radius:10px; display:inline-block; }
.map-row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.map-row select { flex: 1; }
.map-row input { flex: 1; }
.map-row .colname { width: 130px; color: var(--muted); }
.badge { background: var(--primary); color:#fff; border-radius:6px; padding:2px 7px; font-size:11px; }
.kv { display:flex; gap: 8px; margin: 4px 0; font-size: 13px; }
.kv .k { color: var(--muted); min-width: 70px; }