/* 后台样式。布局: 顶栏 > 总览数字 > 左树右详情; 浅色深色两套, 全部走下面这几个色值 */
:root {
  --bg: #f2f4f5;
  --panel: #ffffff;
  --ink: #18222c;
  --muted: #5d6a77;
  --line: #d8dfe5;
  --accent: #1f7a68;
  --accent-bg: #e7f4f0;
  --accent-line: #bde0d5;
  --good: #1f7a54;
  --good-bg: #e6f4ec;
  --bad: #b23b3b;
  --bad-bg: #fbeaea;
  --warn: #9a5b16;
  --warn-bg: #fbf0e2;
  --info: #2f6fb0;
  --info-bg: #eaf1fa;
  --body: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1418;
    --panel: #182027;
    --ink: #e4eaef;
    --muted: #97a5b2;
    --line: #2a343d;
    --accent: #5cc4ad;
    --accent-bg: #14302a;
    --accent-line: #2a5047;
    --good: #5cc48a;
    --good-bg: #15301f;
    --bad: #e07a7a;
    --bad-bg: #331b1b;
    --warn: #e0a95a;
    --warn-bg: #2d2416;
    --info: #72aae0;
    --info-bg: #16222f;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14px/1.6 var(--body); }
a { color: var(--accent); }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.muted { color: var(--muted); }
.warn-text { color: var(--warn); }
.boot { padding: 40px; text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
h1 { font-size: 20px; margin: 0; text-wrap: balance; }
h2 { font-size: 16px; margin: 0; text-wrap: balance; }

/* 按钮和输入框 */
.btn-primary, .btn-ghost, .btn-danger {
  border-radius: 8px; padding: 7px 14px; cursor: pointer; border: 1px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0b1a16; } }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent-line); background: var(--accent-bg); }
.btn-ghost.danger, .btn-danger { color: var(--bad); }
.btn-danger { background: var(--bad-bg); border-color: var(--bad); font-weight: 600; }
.as-link { display: inline-block; text-decoration: none; text-align: center; }
input:not([type=checkbox]):not([type=radio]) {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
}
input:focus { border-color: var(--accent); }
.error-line { color: var(--bad); background: var(--bad-bg); border-radius: 8px; padding: 7px 10px; margin: 4px 0 0; }
.empty { color: var(--muted); padding: 28px 12px; text-align: center; }

.pill { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; padding: 1px 10px; border-radius: 20px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.pill-good { color: var(--good); background: var(--good-bg); border-color: transparent; }
.pill-bad { color: var(--bad); background: var(--bad-bg); border-color: transparent; }
.pill-warn { color: var(--warn); background: var(--warn-bg); border-color: transparent; }
.pill-info { color: var(--info); background: var(--info-bg); border-color: transparent; }

/* 登录和申请 */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-card { width: min(380px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px 24px; display: flex; flex-direction: column; gap: 8px; }
.login-card h1 { font-size: 22px; }
.login-card p { margin: 0 0 8px; }
.login-card label { font-size: 13px; color: var(--muted); margin-top: 4px; }
.login-card .btn-primary { margin-top: 10px; padding: 10px; }
.switch { text-align: center; font-size: 13px; color: var(--muted); margin-top: 10px !important; }

/* 外框 */
.topbar { display: flex; align-items: center; gap: 20px; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.tabs { display: flex; gap: 4px; }
.tabs a { padding: 6px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; }
.tabs a.on { background: var(--accent-bg); color: var(--accent); font-weight: 600; }
.me { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.me-name { font-weight: 600; }
.page { padding: 18px 20px 40px; max-width: 1280px; margin: 0 auto; }

/* 总览 */
.summary { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; min-width: 110px; display: flex; flex-direction: column; }
.stat b { font-size: 20px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }
.stat-bad { border-color: var(--bad); }
.stat-bad b { color: var(--bad); }
.summary-alert { flex-basis: 100%; margin: 0; color: var(--bad); background: var(--bad-bg); border-radius: 8px; padding: 7px 12px; }

/* 左树右详情 */
.panel { display: grid; grid-template-columns: 290px 1fr; gap: 14px; align-items: start; }
.tree { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px; max-height: calc(100vh - 200px); overflow: auto; position: sticky; top: 12px; }
.tree-search { margin-bottom: 8px; }
.tree-row { display: flex; align-items: center; gap: 6px; width: 100%; text-align: left; background: none; border: 0; border-radius: 7px; padding: 5px 8px; cursor: pointer; }
.tree-row:hover { background: var(--accent-bg); }
.tree-head { font-weight: 700; }
.tree-sub { padding-left: 18px; color: var(--muted); font-weight: 600; }
.tree-leaf { padding-left: 34px; }
.tree-leaf.on { background: var(--accent-bg); color: var(--accent); font-weight: 600; }
.leaf-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.count { margin-left: auto; font-size: 12px; color: var(--muted); font-weight: 400; }
.caret { width: 0; height: 0; border-left: 5px solid var(--muted); border-top: 4px solid transparent; border-bottom: 4px solid transparent; transition: transform .15s; flex: none; }
.caret.open { transform: rotate(90deg); }
.kind { font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 0 5px; flex: none; }

.detail { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; min-width: 0; }
.detail-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.detail-head h2 { font-size: 19px; }
.id { font: 12px var(--mono); color: var(--muted); }
.detail-sub { margin: 4px 0 10px; color: var(--muted); }
.pills { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.detail-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.detail-tabs button { background: none; border: 1px solid transparent; border-bottom: 0; border-radius: 8px 8px 0 0; padding: 7px 14px; cursor: pointer; color: var(--muted); }
.detail-tabs button.on { color: var(--ink); font-weight: 700; border-color: var(--line); background: var(--panel); margin-bottom: -1px; }
.tab-body { padding-top: 12px; }
.doc { margin: 0; white-space: pre-wrap; word-break: break-word; font: 13.5px/1.75 var(--body); max-height: 62vh; overflow: auto; }
.messages { list-style: none; margin: 0; padding: 0; max-height: 62vh; overflow: auto; }
.messages li { display: grid; grid-template-columns: 92px 120px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.messages time { color: var(--muted); font-variant-numeric: tabular-nums; }
.messages .who { color: var(--info); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.messages li.self .who { color: var(--accent); }
.messages .text { white-space: pre-wrap; word-break: break-word; }
.link-button { background: none; border: 0; padding: 0 4px; color: var(--accent); cursor: pointer; text-decoration: underline; }

/* 用户管理 */
.users-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.pending { background: var(--warn-bg); border: 1px solid var(--warn); border-radius: 12px; padding: 12px 16px; margin-bottom: 14px; }
.pending h2 { margin-bottom: 8px; color: var(--warn); }
.pending-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0; flex-wrap: wrap; }
.table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; }
table.users { width: 100%; border-collapse: collapse; min-width: 860px; }
table.users th, table.users td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.users th { font-size: 12px; color: var(--muted); font-weight: 700; }
table.users tr:last-child td { border-bottom: 0; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.secret { font: 13px var(--mono); background: var(--accent-bg); padding: 1px 6px; border-radius: 5px; user-select: all; }

/* 弹窗和表单 */
.modal-mask { position: fixed; inset: 0; background: rgba(10, 16, 20, .45); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal { width: min(480px, 100%); max-height: calc(100vh - 32px); overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.form { display: flex; flex-direction: column; gap: 6px; }
.form label { font-size: 13px; color: var(--muted); }
.form .row { display: flex; gap: 8px; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin: 6px 0; display: flex; flex-direction: column; gap: 4px; }
legend { font-size: 13px; color: var(--muted); padding: 0 4px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--ink) !important; font-size: 14px !important; }

@media (max-width: 760px) {
  .panel { grid-template-columns: 1fr; }
  .tree { position: static; max-height: 300px; }
  .me { margin-left: 0; width: 100%; }
  .messages li { grid-template-columns: 1fr; gap: 2px; }
  .page { padding: 14px 12px 32px; }
}