:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #111827;
  --text-2: #4b5563;
  --muted: #9ca3af;
  --primary: #2563eb;
  --primary-soft: #eff6ff;
  --success: #059669;
  --success-soft: #ecfdf5;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
[v-cloak] { display: none !important; }

/* ---------- 登录 ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 20% -10%, #e8efff 0%, transparent 55%), var(--bg);
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 400px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 32px; box-shadow: 0 10px 30px rgba(16,24,40,.06);
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; letter-spacing: -.2px; }
.login-card p.sub { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 11px; background: var(--primary); color: #fff;
  display: grid; place-items: center; font-weight: 700; margin-bottom: 16px; font-size: 18px;
}

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 208px; flex: 0 0 208px; background: #fff; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sidebar .logo {
  height: 60px; display: flex; align-items: center; gap: 10px; padding: 0 18px;
  border-bottom: 1px solid var(--border); font-weight: 650; letter-spacing: -.2px;
}
.sidebar .logo .dot { width: 26px; height: 26px; border-radius: 8px; background: var(--primary); color: #fff; display: grid; place-items: center; font-size: 13px; }
.nav { padding: 10px 8px; overflow-y: auto; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 9px; padding: 8px 11px; border-radius: 8px;
  color: var(--text-2); cursor: pointer; font-size: 13.5px; margin-bottom: 2px; user-select: none;
}
.nav-item:hover { background: #f3f4f6; color: var(--text); }
.nav-item.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav-item .count { margin-left: auto; font-size: 11px; background: var(--danger); color: #fff; border-radius: 20px; padding: 0 6px; line-height: 17px; }
.sidebar-foot { border-top: 1px solid var(--border); padding: 12px 14px; font-size: 12px; color: var(--muted); }
.sidebar-foot b { display: block; color: var(--text); font-size: 13px; font-weight: 600; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 60px; background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px; gap: 12px; position: sticky; top: 0; z-index: 5;
}
.topbar h2 { font-size: 16px; margin: 0; font-weight: 650; letter-spacing: -.2px; }
.topbar .spacer { flex: 1; }
.content { padding: 22px 24px 40px; }

/* ---------- 卡片 ---------- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.card-head h3 { margin: 0; font-size: 14px; font-weight: 650; }
.card-head .spacer { flex: 1; }
.card-body { padding: 16px 18px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 16px;
}
.stat .label { font-size: 12px; color: var(--muted); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.stat .value { font-size: 25px; font-weight: 700; letter-spacing: -.6px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat .hint { font-size: 12px; color: var(--text-2); margin-top: 4px; }
.stat.accent .value { color: var(--primary); }

/* ---------- 表单 ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 5px; font-weight: 500; }
.input, .select, .textarea {
  width: 100%; border: 1px solid var(--border-strong); border-radius: 8px; padding: 8px 11px;
  background: #fff; outline: none; transition: border-color .15s, box-shadow .15s; font-size: 13.5px;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.textarea { min-height: 88px; resize: vertical; }
.hint-text { font-size: 12px; color: var(--muted); margin-top: 4px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; min-width: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border-strong); background: #fff; color: var(--text);
  padding: 7px 13px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 500;
  transition: background .15s, border-color .15s, opacity .15s; white-space: nowrap;
}
.btn:hover { background: #f9fafb; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #1d4ed8; }
.btn.danger { color: var(--danger); border-color: #fecaca; background: var(--danger-soft); }
.btn.danger:hover { background: #fee2e2; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn.ghost:hover { background: #f3f4f6; }
.btn.sm { padding: 4px 9px; font-size: 12px; border-radius: 6px; }
.btn.block { width: 100%; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 820px; }
table.tbl td { padding: 10px 12px; border-bottom: 1px solid #f1f2f4; vertical-align: middle; white-space: nowrap; }
table.tbl td.wrap { white-space: normal; }
table.tbl th {
  text-align: left; font-weight: 600; color: var(--text-2); background: #fafbfc;
  padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; font-size: 12.5px;
}
table.tbl td { padding: 10px 12px; border-bottom: 1px solid #f1f2f4; vertical-align: middle; }
table.tbl tr:last-child td { border-bottom: none; }
table.tbl tbody tr:hover { background: #fafbfc; }
table.tbl td.mono, .mono { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; font-size: 12.5px; }
.empty { text-align: center; color: var(--muted); padding: 36px 0; font-size: 13px; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 20px;
  font-size: 11.5px; font-weight: 500; line-height: 19px; white-space: nowrap;
}
.tag.gray { background: #f3f4f6; color: var(--text-2); }
.tag.green { background: var(--success-soft); color: var(--success); }
.tag.blue { background: var(--primary-soft); color: var(--primary); }
.tag.amber { background: var(--warn-soft); color: var(--warn); }
.tag.red { background: var(--danger-soft); color: var(--danger); }

/* ---------- 工具条 / 分页 ---------- */
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .grow { flex: 1; }
.toolbar .input, .toolbar .select { width: auto; min-width: 138px; }
.pager { display: flex; align-items: center; gap: 8px; justify-content: flex-end; padding: 12px 16px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--text-2); }

/* ---------- 弹窗 ---------- */
.mask { position: fixed; inset: 0; background: rgba(17,24,39,.38); display: flex; align-items: flex-start; justify-content: center; padding: 64px 16px; z-index: 50; overflow-y: auto; }
.modal { background: #fff; border-radius: 12px; width: 100%; max-width: 520px; box-shadow: 0 20px 50px rgba(16,24,40,.2); }
.modal.wide { max-width: 860px; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; }
.modal-head h3 { margin: 0; font-size: 15px; font-weight: 650; }
.modal-head .x { margin-left: auto; cursor: pointer; color: var(--muted); font-size: 20px; line-height: 1; padding: 0 4px; }
.modal-body { padding: 18px 20px; max-height: 66vh; overflow-y: auto; }
.modal-foot { padding: 13px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }

/* ---------- 提示 ---------- */
.toasts { position: fixed; top: 16px; right: 16px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #fff; border: 1px solid var(--border); border-left: 3px solid var(--primary);
  border-radius: 8px; padding: 10px 14px; box-shadow: 0 8px 24px rgba(16,24,40,.12);
  font-size: 13px; min-width: 240px; max-width: 380px; animation: slide .18s ease-out;
}
.toast.error { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }
@keyframes slide { from { transform: translateX(12px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- 图表 ---------- */
.bars { display: flex; align-items: flex-end; gap: 6px; height: 130px; padding: 8px 2px 0; }
.bars .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 5px; height: 100%; }
.bars .bar i { display: block; width: 100%; max-width: 34px; background: linear-gradient(180deg, #60a5fa, #2563eb); border-radius: 4px 4px 2px 2px; min-height: 3px; }
.bars .bar span { font-size: 10.5px; color: var(--muted); white-space: nowrap; }
.bars .bar b { font-size: 10.5px; color: var(--text-2); font-weight: 600; }

.split { display: grid; grid-template-columns: 1.35fr 1fr; gap: 14px; }
@media (max-width: 1080px) { .split { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .sidebar { position: fixed; z-index: 40; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; }
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .menu-btn { display: inline-flex !important; }
}
.menu-btn { display: none; }
.detail-row { display: flex; gap: 12px; padding: 7px 0; border-bottom: 1px dashed #eef0f2; font-size: 13px; }
.detail-row .k { width: 96px; flex: 0 0 96px; color: var(--muted); }
.detail-row .v { flex: 1; word-break: break-all; }
.codebox {
  background: #0f172a; color: #e2e8f0; border-radius: 8px; padding: 12px; font-family: ui-monospace, Consolas, monospace;
  font-size: 12.5px; line-height: 1.7; max-height: 240px; overflow: auto; white-space: pre-wrap; word-break: break-all;
}
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.tabs .tab { padding: 8px 13px; font-size: 13px; cursor: pointer; color: var(--text-2); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs .tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.reply { padding: 10px 12px; border-radius: 8px; background: #f9fafb; margin-bottom: 8px; border: 1px solid #f0f1f3; }
.reply .meta { font-size: 11.5px; color: var(--muted); margin-bottom: 4px; display: flex; gap: 8px; }
.reply.staff { background: var(--primary-soft); border-color: #dbeafe; }
.reply.system { background: var(--warn-soft); border-color: #fde68a; }