:root {
  --bg: #070b14;
  --card: rgba(20, 28, 46, 0.72);
  --card-solid: #131c2e;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8eefc;
  --muted: #8b9bb8;
  --brand: #4f7cff;
  --brand-2: #7c5cff;
  --ok: #22c55e;
  --err: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: #8fb0ff; text-decoration: none; }
a:hover { color: #b9cdff; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
}

/* 背景光斑 */
.bg { position: fixed; inset: 0; overflow: hidden; z-index: -1; }
.bg i {
  position: absolute;
  display: block;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.32;
}
.bg i:nth-child(1) { background: #2b5bff; top: -180px; left: -120px; }
.bg i:nth-child(2) { background: #7c3aed; top: 30%; right: -220px; }
.bg i:nth-child(3) { background: #0ea5e9; bottom: -260px; left: 25%; }

/* 顶栏 */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 13px 24px;
  background: rgba(7, 11, 20, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
}
.brand b { color: #fff; letter-spacing: 0.5px; }
.logo {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.logo.lg { width: 46px; height: 46px; border-radius: 13px; font-size: 18px; }
.menu { display: flex; gap: 6px; }
.menu a {
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
}
.menu a.on, .menu a:hover { color: #fff; background: rgba(255, 255, 255, 0.07); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-right .user { color: var(--muted); font-size: 14px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 30px 20px 64px; }
.foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 40px;
  color: rgba(139, 155, 184, 0.65);
  font-size: 12.5px;
}

/* 标题区 */
.hero { margin: 6px 0 22px; }
.hero.row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.hero h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: 0.3px; }
.hero p { margin: 0; color: var(--muted); font-size: 14px; }

/* 卡片 */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  backdrop-filter: blur(10px);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.card h3 { margin: 0; font-size: 16px; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}
.account { margin-top: 4px; }

.kv { display: grid; grid-template-columns: 72px 1fr; gap: 8px 12px; margin: 0 0 14px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: #a5c0ff;
  background: rgba(79, 124, 255, 0.14);
  border: 1px solid rgba(79, 124, 255, 0.28);
}
.tag.sm { font-size: 11px; margin-left: 6px; }

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.dot.on { background: var(--ok); box-shadow: 0 0 8px rgba(34, 197, 94, 0.7); }
.dot.off { background: #64748b; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: 0.16s ease;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: 0 8px 22px rgba(79, 124, 255, 0.25);
}
.btn.ghost { border-color: var(--line); background: transparent; color: #cfd9ee; }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.06); }
.btn.danger { background: rgba(248, 113, 113, 0.12); color: #fca5a5; border-color: rgba(248, 113, 113, 0.3); }
.btn.sm { padding: 5px 12px; font-size: 13px; border-radius: 8px; }
.btn.block { width: 100%; padding: 11px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* 表单 */
.form { display: flex; flex-direction: column; gap: 14px; margin: 18px 0 6px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13.5px; }
.field > span { color: var(--muted); }
.field input, .field select, .field textarea, .pw-form input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(9, 14, 24, 0.7);
  color: var(--text);
  font: inherit;
  outline: none;
}
.field input:focus, .pw-form input:focus {
  border-color: rgba(79, 124, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.12);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid .wide { grid-column: span 2; }
.form-grid .actions { grid-column: span 2; display: flex; gap: 10px; margin-top: 4px; }
.checks { grid-column: span 2; display: flex; gap: 24px; flex-wrap: wrap; }
.check { display: inline-flex; align-items: center; gap: 8px; color: #cfd9ee; font-size: 14px; }
.check input { width: 16px; height: 16px; accent-color: var(--brand); }

/* 登录页 */
.auth { display: grid; place-items: center; min-height: 72vh; }
.auth-card {
  width: 100%;
  max-width: 390px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px 28px 24px;
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.auth-brand { display: flex; justify-content: center; margin-bottom: 14px; }
.auth-card h1 { margin: 0 0 6px; font-size: 20px; text-align: center; }
.auth-card .sub { margin: 0 0 4px; text-align: center; color: var(--muted); font-size: 13.5px; }
.auth-card .switch { text-align: center; font-size: 13.5px; margin: 14px 0 0; }
.auth-card .switch.muted { margin-top: 8px; font-size: 12.5px; }
.auth-card.center { text-align: center; }

/* 提示 */
.flash {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13.5px;
  margin: 14px 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
}
.flash.err { color: #fca5a5; border-color: rgba(248, 113, 113, 0.3); background: rgba(248, 113, 113, 0.1); }
.flash.ok { color: #86efac; border-color: rgba(34, 197, 94, 0.3); background: rgba(34, 197, 94, 0.1); }

.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  margin-bottom: 22px;
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; }
.table tr:last-child td { border-bottom: none; }
.table .right { text-align: right; }
.table td .btn { margin-left: 6px; }

.inline { display: inline; margin: 0; }
.inline-details { display: inline-block; position: relative; }
.inline-details summary { list-style: none; display: inline-block; }
.inline-details summary::-webkit-details-marker { display: none; }
.pw-form {
  position: absolute;
  right: 0;
  top: 34px;
  z-index: 10;
  display: flex;
  gap: 8px;
  padding: 12px;
  border-radius: 12px;
  background: var(--card-solid);
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}
.pw-form input { width: 190px; }

.admin-tabs { display: flex; gap: 8px; margin-bottom: 22px; flex-wrap: wrap; }
.admin-tabs a {
  padding: 7px 14px;
  border-radius: 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.admin-tabs a.on, .admin-tabs a:hover { color: #fff; border-color: rgba(79, 124, 255, 0.5); background: rgba(79, 124, 255, 0.12); }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .wide, .form-grid .actions, .checks { grid-column: span 1; }
  .nav { gap: 12px; padding: 12px 16px; }
  .menu { display: none; }
  .wrap { padding: 22px 16px 50px; }
}

/* 证书管理 */
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 18px; }
.card.form h3 { margin: 0 0 4px; }
.field textarea, textarea.pem {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(9, 14, 24, 0.7);
  color: var(--text);
  font: 12.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  outline: none;
  resize: vertical;
}
.field textarea:focus { border-color: rgba(79, 124, 255, 0.6); }
textarea.pem { white-space: pre; overflow: auto; }
.tip { font-size: 12.5px; color: var(--muted); margin: 0; }
@media (max-width: 760px) { .cols2 { grid-template-columns: 1fr; } }