:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --line: #e6e8ee;
  --line-strong: #d5d9e2;
  --ink: #1a2233;
  --muted: #6b7280;
  --primary: #3556e0;
  --primary-dark: #2a44b8;
  --primary-soft: #eef2ff;
  --ok: #16a34a;
  --ok-soft: #e8f7ee;
  --warn: #d97706;
  --warn-soft: #fdf3e3;
  --danger: #dc2626;
  --danger-soft: #fdeaea;
  --radius: 12px;
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body, #app { margin: 0; min-height: 100vh; }
body { background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 14px; line-height: 1.5; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ---------- 登录 ---------- */
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #eef2ff 0%, #f4f5f7 45%, #e8f7ee 100%);
}
.login-card {
  width: min(400px, calc(100vw - 40px));
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px 34px 30px;
  box-shadow: 0 12px 40px rgba(26, 34, 51, 0.08);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--primary); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 16px;
}
.brand strong { display: block; font-size: 15px; letter-spacing: 0.02em; }
.brand em { display: block; font-style: normal; color: var(--muted); font-size: 12px; }
.login-card h1 { margin: 26px 0 4px; font-size: 24px; }
.login-card .lead { margin: 0 0 22px; color: var(--muted); }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field span { font-size: 12px; color: var(--muted); }
.field input, .field select {
  height: 40px; border: 1px solid var(--line-strong); border-radius: 8px;
  background: #fff; padding: 0 12px; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-error { min-height: 18px; color: var(--danger); font-size: 12.5px; margin: 2px 0 8px; }

/* ---------- 按钮 ---------- */
.btn {
  height: 34px; padding: 0 14px; border-radius: 8px;
  border: 1px solid transparent; background: transparent; font-size: 13.5px;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.ghost { background: #fff; border-color: var(--line-strong); color: var(--ink); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn.danger { background: #fff; border-color: #f3c8c8; color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- 布局 ---------- */
.shell { min-height: 100vh; display: grid; grid-template-columns: 232px 1fr; }
.side {
  background: var(--card); border-right: 1px solid var(--line);
  padding: 18px 14px; position: sticky; top: 0; height: 100vh; overflow: auto;
  display: flex; flex-direction: column;
}
.side nav { flex: 1; margin-top: 18px; }
.nav-label { margin: 16px 8px 6px; color: var(--muted); font-size: 11px; letter-spacing: 0.12em; }
.nav-dept { margin: 2px 0; }
.nav-btn, .nav-sub {
  width: 100%; text-align: left; border: 0; background: transparent;
  border-radius: 8px; padding: 8px 10px; color: var(--ink); font-size: 13.5px;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-sub { padding-left: 24px; color: var(--muted); }
.nav-btn:hover, .nav-sub:hover { background: #f2f4f8; }
.nav-btn.on, .nav-sub.on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.nav-count { font-size: 11px; color: var(--muted); font-weight: 400; }
.side-foot { border-top: 1px solid var(--line); padding-top: 12px; font-size: 12px; color: var(--muted); }

.main { min-width: 0; padding: 22px 28px 56px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 14px; margin-bottom: 14px; }
.crumb { color: var(--muted); font-size: 12px; }
.page-head h1 { margin: 2px 0 0; font-size: 22px; }
.head-actions { display: flex; gap: 8px; }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; font-weight: 600; border-radius: 999px; padding: 2px 9px;
  background: #eef0f3; color: var(--muted);
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.info { background: var(--primary-soft); color: var(--primary); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }

/* ---------- 工作台 ---------- */
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.chip {
  border: 1px solid var(--line-strong); background: #fff; border-radius: 999px;
  padding: 5px 14px; font-size: 13px; color: var(--muted);
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.chip.tab { border: 0; padding: 6px 2px; border-radius: 0; border-bottom: 2px solid transparent; font-size: 14px; }
.chip.tab.on { background: transparent; color: var(--ink); border-bottom-color: var(--primary); }
.ver-chip { border: 1px solid var(--line-strong); background: #fff; border-radius: 8px; padding: 4px 11px; font-size: 13px; color: var(--muted); }
.ver-chip.on { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); font-weight: 600; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.panel-bar { display: flex; align-items: center; gap: 14px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.panel-bar select {
  height: 32px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; padding: 0 8px;
}
.note { color: var(--muted); font-size: 12.5px; padding: 8px 16px 0; }
.banner {
  margin-bottom: 14px; padding: 11px 14px; border-radius: 10px;
  border: 1px solid #f3d9a8; background: var(--warn-soft); color: #8a5a10; font-size: 13px;
}

/* ---------- 表格 ---------- */
.table-wrap { overflow: auto; max-height: calc(100vh - 300px); }
table { border-collapse: separate; border-spacing: 0; min-width: 100%; font-size: 13px; }
th, td { padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; text-align: left; background: var(--card); }
thead th { position: sticky; z-index: 5; top: 0; background: #f7f8fa; color: var(--muted); font-weight: 600; font-size: 12px; }
thead th.group { top: 0; }
thead th.sub { top: 35px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.sticky, th.sticky { position: sticky; left: 0; z-index: 2; }
thead th.sticky { z-index: 6; }
tbody tr:hover td { background: #f7f9fc; }
tr.total td {
  position: sticky; bottom: 0; z-index: 3;
  background: #f1f3f7; font-weight: 700; color: var(--ink);
  border-top: 1px solid var(--line-strong); border-bottom: 0;
}
tr.total td.sticky { z-index: 4; }
.pager { display: flex; justify-content: flex-end; align-items: center; gap: 10px; padding: 10px 16px; color: var(--muted); font-size: 12.5px; }
.empty { padding: 52px 20px; text-align: center; color: var(--muted); }
.empty strong { display: block; color: var(--ink); margin-bottom: 6px; font-size: 15px; }

/* ---------- 参数 ---------- */
.param-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px 20px; padding: 18px; }
.param-actions { padding: 0 18px 18px; display: flex; gap: 8px; }

/* ---------- 数据源 ---------- */
.source-row {
  display: grid; grid-template-columns: 1.3fr 76px 1fr 110px auto; gap: 12px; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.source-row:last-child { border-bottom: 0; }
.source-row strong { font-weight: 600; font-size: 13.5px; }
.source-row .meta { color: var(--muted); font-size: 12px; }
.section-label { padding: 14px 16px 4px; color: var(--muted); font-size: 12px; letter-spacing: 0.06em; }

/* ---------- 系统页 ---------- */
.user-table td, .user-table th { white-space: nowrap; }
.perm-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }

/* ---------- 弹层 ---------- */
.modal-back {
  position: fixed; inset: 0; background: rgba(20, 26, 40, 0.45);
  display: grid; place-items: center; padding: 24px; z-index: 30;
}
.modal {
  width: min(560px, 100%); background: var(--card); border-radius: 14px;
  border: 1px solid var(--line); padding: 22px; max-height: 88vh; overflow: auto;
}
.modal h3 { margin: 0 0 6px; font-size: 17px; }
.modal .lead { margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.choice {
  width: 100%; text-align: left; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; padding: 12px 14px; margin-bottom: 8px;
}
.choice:hover { border-color: var(--primary); }
.choice.on { border-color: var(--primary); background: var(--primary-soft); box-shadow: inset 2px 0 0 var(--primary); }
.choice strong { display: block; font-weight: 600; }
.choice span { color: var(--muted); font-size: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* ---------- 通知 ---------- */
#toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 50; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast-item {
  background: #1a2233; color: #fff; border-radius: 999px; padding: 9px 18px;
  font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,0.18); animation: pop 0.18s ease-out;
}
.toast-item.err { background: var(--danger); }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: relative; height: auto; }
  .main { padding: 16px; }
  .source-row { grid-template-columns: 1fr 1fr; }
}