:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #e3e6ea;
  --line-strong: #cfd4da;
  --text: #1f2328;
  --text-dim: #646c76;
  --accent: #2563eb;
  --accent-soft: #eaf1fe;
  --ok: #137a3c;
  --ok-soft: #e6f5ec;
  --warn: #9a6200;
  --warn-soft: #fdf3e2;
  --danger: #b42318;
  --danger-soft: #fdeceb;
  --radius: 10px;
}

* { box-sizing: border-box; }

/* hidden 属性必须绝对生效，防止自定义 display 覆盖 */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- 登录 ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 380px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 28px; box-shadow: 0 8px 28px rgba(16,24,40,.06);
}
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card .sub { margin: 0 0 18px; color: var(--text-dim); font-size: 13px; }
.login-card .tip { margin: 14px 0 0; color: var(--text-dim); font-size: 12px; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 56px; background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 600; font-size: 15px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.who { color: var(--text-dim); font-size: 13px; }
.who b { color: var(--text); }

/* ---------- 单选 tab ---------- */
.tabs {
  display: flex; gap: 6px; padding: 12px 20px 0; background: var(--panel);
  border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.tabs input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.tabs label {
  padding: 8px 14px; border-radius: 8px 8px 0 0; cursor: pointer;
  color: var(--text-dim); border: 1px solid transparent; border-bottom: none;
  user-select: none; font-size: 13px;
}
.tabs label:hover { color: var(--text); background: #f0f2f5; }
.tabs input[type="radio"]:checked + label {
  color: var(--accent); background: var(--accent-soft); border-color: var(--line);
  font-weight: 600;
}

/* ---------- 通用 ---------- */
.view { padding: 16px 20px 40px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 6px; font-size: 15px; }
.sub { color: var(--text-dim); font-size: 12.5px; margin: 0 0 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.spacer { flex: 1; }

.btn {
  border: 1px solid var(--line-strong); background: var(--panel); color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.btn:hover { background: #f2f4f7; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #1d4ed8; }
.btn.danger { color: var(--danger); border-color: #f0c4c0; background: var(--danger-soft); }
.btn.danger:hover { background: #fbdbd8; }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; padding: 10px; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- 表单 ---------- */
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.field > span { font-size: 12.5px; color: var(--text-dim); }
input[type="text"], input[type="password"], input:not([type]), textarea, select {
  border: 1px solid var(--line-strong); border-radius: 8px; padding: 8px 10px;
  font-size: 13px; background: #fff; color: var(--text); font-family: inherit;
  outline: none; width: 100%;
}
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; line-height: 1.6; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; padding-top: 6px; flex-wrap: wrap; }
.msg { font-size: 12.5px; color: var(--text-dim); flex: 1; }
.err { color: var(--danger); font-size: 13px; }

/* 单选组（替代下拉框） */
.radio-group { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.radio-label { font-size: 12.5px; color: var(--text-dim); margin-right: 2px; }
.radio-group input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.radio-group label {
  border: 1px solid var(--line-strong); border-radius: 7px; padding: 5px 12px;
  cursor: pointer; font-size: 12.5px; color: var(--text-dim); background: #fff; user-select: none;
}
.radio-group label:hover { border-color: var(--accent); color: var(--accent); }
.radio-group input[type="radio"]:checked + label {
  background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600;
}

/* ---------- 工具栏 ---------- */
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.stat-row { display: flex; gap: 8px; flex-wrap: wrap; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 12px; font-size: 12.5px; color: var(--text-dim);
}
.stat b { color: var(--text); font-size: 14px; margin-left: 4px; }

/* ---------- 表格 ---------- */
.table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th, table.grid td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.grid th { background: #fafbfc; font-weight: 600; color: var(--text-dim); white-space: nowrap; font-size: 12.5px; position: sticky; top: 0; }
table.grid tbody tr:hover { background: #fafbfc; }
table.grid tbody tr.deleted { opacity: .55; background: #fcfcfd; }
table.grid td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; max-width: 240px; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.empty { padding: 40px; text-align: center; color: var(--text-dim); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11.5px; border: 1px solid transparent; white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); border-color: #bfe3cb; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: #f0dcb4; }
.badge.danger { background: var(--danger-soft); color: var(--danger); border-color: #f3c9c5; }
.badge.dim { background: #f0f2f5; color: var(--text-dim); border-color: var(--line); }

/* ---------- 弹窗 ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(16,24,40,.45); display: grid; place-items: center; padding: 20px; z-index: 50; }
.modal { background: var(--panel); border-radius: 14px; width: 720px; max-width: 100%; max-height: 90vh; overflow: auto; padding: 20px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.modal-head h3 { margin: 0; font-size: 16px; }
.smart { background: #f8fafc; border: 1px dashed var(--line-strong); border-radius: 10px; padding: 12px; margin-bottom: 16px; }
.smart-hint { margin-top: 8px; font-size: 12.5px; color: var(--text-dim); }
.smart-hint .ok { color: var(--ok); }
.smart-hint .warn { color: var(--warn); }
.smart-hint .busy { color: var(--accent); }
.ai-line { display: flex; align-items: center; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.link { color: var(--accent); font-size: 12.5px; cursor: pointer; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #1f2328; color: #fff; padding: 10px 18px; border-radius: 8px;
  font-size: 13px; z-index: 100; max-width: 80vw; white-space: pre-wrap;
}

/* ---------- 导入预览 ---------- */
.preview { margin-top: 14px; }
.preview h4 { margin: 14px 0 6px; font-size: 13px; }
.warn-list { color: var(--warn); font-size: 12px; }

/* ---------- 配额详情 ---------- */
tr.quota-detail > td { background: #f7f9fc; padding: 10px 14px; }
.detail-pre {
  margin: 0; font-size: 12px; line-height: 1.6; white-space: pre-wrap;
  color: var(--text-dim); max-height: 260px; overflow: auto;
}

/* 配额值变化展示：当前值 → 申请值 */
.dim { color: var(--text-dim); font-size: 12px; }

/* 配额查看面板（只读） */
.kv { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 8px 14px; font-size: 13px; }
.kv-k { color: var(--text-dim); font-size: 12.5px; }
.kv-v { word-break: break-word; }
.busy { color: var(--accent); }
table.grid tbody tr.hl { background: var(--accent-soft); }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 12px 2px 0; font-size: 13px; }
.pager-size { display: inline-flex; align-items: center; gap: 6px; color: var(--text-dim); font-size: 12.5px; }
.pager select { padding: 4px 8px; border: 1px solid var(--line-strong); border-radius: 6px; background: #fff; color: var(--text); font-size: 12.5px; font-family: inherit; cursor: pointer; }
.pager-pages { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.pager-pages button { min-width: 30px; padding: 4px 8px; border: 1px solid var(--line-strong); background: var(--panel); border-radius: 6px; cursor: pointer; font-size: 12.5px; color: var(--text); }
.pager-pages button:hover:not(:disabled):not(.cur) { background: #f2f4f7; }
.pager-pages button.cur { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager-pages button:disabled { opacity: .4; cursor: not-allowed; }
.pager-pages .ellipsis { padding: 0 4px; color: var(--text-dim); }