/* ==========================================================================
   自在行用户管理后台 —— 样式表
   设计目标：简洁、层次清晰。中性底色 + 单一主色，靠间距和层次区分信息。
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --warning: #d97706;
  --warning-soft: #fffbeb;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.16);
  --sidebar-width: 224px;
  --topbar-height: 56px;
  --footer-height: 34px;
}

* { box-sizing: border-box; }

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  color: var(--gray-400);
}

/* 备案号页脚：固定在窗口最下方、水平居中，登录页与内页都在 */
.site-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
  color: var(--gray-500);
  background: rgba(255, 255, 255, 0.94);
  border-top: 1px solid var(--gray-200);
}
.site-footer a { color: var(--gray-500); }
.site-footer a:hover { color: var(--primary); }

/* ------------------------------- 布局 ------------------------------- */

.layout {
  display: flex;
  min-height: 100vh;
  padding-bottom: var(--footer-height);
}

.sidebar {
  width: var(--sidebar-width);
  flex: 0 0 var(--sidebar-width);
  background: #fff;
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: calc(100vh - var(--footer-height));
}

.brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border-bottom: 1px solid var(--gray-200);
  flex: 0 0 auto;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text strong { font-size: 14px; color: var(--gray-900); white-space: nowrap; }
.brand-text span { font-size: 11px; color: var(--gray-400); white-space: nowrap; }

.nav { padding: 12px 10px; flex: 1 1 auto; overflow-y: auto; }
.nav-group-title {
  font-size: 11px;
  color: var(--gray-400);
  padding: 12px 8px 6px;
  letter-spacing: 0.04em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  cursor: pointer;
  user-select: none;
  margin-bottom: 2px;
  transition: background 0.12s, color 0.12s;
}
.nav-item:hover { background: var(--gray-100); color: var(--gray-900); text-decoration: none; }
.nav-item.active { background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }
.nav-item .icon { width: 16px; height: 16px; flex: 0 0 auto; opacity: 0.85; }
.nav-item .badge-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--gray-400);
  font-weight: 400;
}

.sidebar-footer {
  border-top: 1px solid var(--gray-200);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--gray-400);
  flex: 0 0 auto;
}

.main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-height);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar h1 { font-size: 16px; margin: 0; font-weight: 600; color: var(--gray-900); }
.topbar .crumb { font-size: 12px; color: var(--gray-400); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  background: var(--gray-100);
  cursor: pointer;
  border: 1px solid transparent;
}
.user-chip:hover { border-color: var(--gray-300); }
.user-chip .avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.user-chip .meta { display: flex; flex-direction: column; line-height: 1.15; }
.user-chip .meta b { font-size: 12px; font-weight: 600; }
.user-chip .meta i { font-size: 10px; color: var(--gray-500); font-style: normal; }

.content { padding: 20px; flex: 1 1 auto; }

/* ------------------------------- 卡片 ------------------------------- */

.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--gray-200);
}
.card-head h2 { margin: 0; font-size: 15px; font-weight: 600; color: var(--gray-900); }
.card-head .sub { font-size: 12px; color: var(--gray-400); }
.card-head .actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }

/* ------------------------------- 统计卡 ------------------------------- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.stat {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}
.stat .label { font-size: 12px; color: var(--gray-500); display: flex; align-items: center; gap: 6px; }
.stat .value { font-size: 26px; font-weight: 600; color: var(--gray-900); line-height: 1.3; margin-top: 4px; }
.stat .hint { font-size: 12px; color: var(--gray-400); }
.stat.accent { border-color: #bfdbfe; background: linear-gradient(180deg, #f8fbff, #fff); }

/* ------------------------------- 表格 ------------------------------- */

.table-wrap { overflow-x: auto; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th {
  text-align: left;
  padding: 10px 14px;
  background: var(--gray-50);
  color: var(--gray-500);
  font-weight: 500;
  font-size: 12px;
  white-space: nowrap;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1;
}
table.data td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
  color: var(--gray-700);
}
table.data tbody tr:hover { background: var(--gray-50); }
table.data tbody tr:last-child td { border-bottom: none; }
table.data td.mono, table.data th.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12.5px; }
table.data td.nowrap, table.data th.nowrap { white-space: nowrap; }
table.data td.actions { white-space: nowrap; text-align: right; }

.empty {
  padding: 44px 20px;
  text-align: center;
  color: var(--gray-400);
  font-size: 13px;
}
.empty strong { display: block; color: var(--gray-500); margin-bottom: 4px; font-size: 14px; }

/* ------------------------------- 徽标 ------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.6;
  background: var(--gray-100);
  color: var(--gray-600);
  white-space: nowrap;
}
.badge.ok { background: var(--success-soft); color: #15803d; }
.badge.warn { background: var(--warning-soft); color: #b45309; }
.badge.danger { background: var(--danger-soft); color: #b91c1c; }
.badge.info { background: var(--primary-soft); color: var(--primary-dark); }
.badge.plain { background: transparent; border: 1px solid var(--gray-200); }
.badge.dot::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; opacity: 0.75;
}

.tag-key {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--gray-700);
}

/* ------------------------------- 表单 ------------------------------- */

.field { margin-bottom: 14px; }
.field > label {
  display: block;
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 6px;
  font-weight: 500;
}
.field .help { font-size: 12px; color: var(--gray-400); margin-top: 5px; }
.field .required::after { content: " *"; color: var(--danger); }

input[type="text"], input[type="password"], input[type="number"], input[type="search"], select, textarea {
  width: 100%;
  padding: 8px 11px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  color: var(--gray-800);
  background: #fff;
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
input:disabled, select:disabled, textarea:disabled { background: var(--gray-100); color: var(--gray-500); cursor: not-allowed; }
textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
select { cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-inline { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.form-inline .field { margin-bottom: 0; }

.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.switch input { display: none; }
.switch .track {
  width: 36px; height: 20px; border-radius: 999px; background: var(--gray-300);
  position: relative; transition: background 0.15s; flex: 0 0 auto;
}
.switch .track::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  transition: transform 0.15s; box-shadow: var(--shadow-sm);
}
.switch input:checked + .track { background: var(--primary); }
.switch input:checked + .track::after { transform: translateX(16px); }

/* ------------------------------- 按钮 ------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-300);
  background: #fff;
  color: var(--gray-700);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s, box-shadow 0.12s;
}
.btn:hover:not(:disabled) { background: var(--gray-50); border-color: var(--gray-400); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn.danger { color: var(--danger); border-color: #fecaca; background: #fff; }
.btn.danger:hover:not(:disabled) { background: var(--danger-soft); border-color: #fca5a5; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--gray-500); padding: 4px 8px; }
.btn.ghost:hover:not(:disabled) { background: var(--gray-100); color: var(--gray-800); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.block { width: 100%; }
.btn.lg { padding: 10px 18px; font-size: 14px; }

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 13px;
  padding: 0 6px;
  font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--danger); }

/* ------------------------------- 标签页 ------------------------------- */

.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 18px;
  overflow-x: auto;
}
.tab {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  margin-bottom: -1px;
  user-select: none;
}
.tab:hover { color: var(--gray-800); }
.tab.active { color: var(--primary-dark); border-bottom-color: var(--primary); font-weight: 600; }

/* ------------------------------- 描述列表 ------------------------------- */

.desc {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px 24px;
}
.desc-item { min-width: 0; }
.desc-item .k { font-size: 12px; color: var(--gray-400); margin-bottom: 2px; }
.desc-item .v { font-size: 13px; color: var(--gray-800); word-break: break-all; }
.desc-item .v.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
.desc-item.full { grid-column: 1 / -1; }

/* ------------------------------- 弹窗 ------------------------------- */

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  z-index: 100;
  overflow-y: auto;
  animation: fade 0.12s ease-out;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  animation: pop 0.14s ease-out;
  margin: auto 0;
}
.modal.wide { max-width: 860px; }
.modal.narrow { max-width: 420px; }
@keyframes pop { from { transform: translateY(-6px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--gray-200);
}
.modal-head h3 { margin: 0; font-size: 15px; font-weight: 600; color: var(--gray-900); }
.modal-head .close {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 20px;
  line-height: 1;
  color: var(--gray-400);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.modal-head .close:hover { background: var(--gray-100); color: var(--gray-700); }
.modal-body { padding: 20px; }
.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.modal-foot .left { margin-right: auto; }

/* ------------------------------- 提示 ------------------------------- */

.toast-root {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--gray-900);
  color: #fff;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: pop 0.15s ease-out;
  max-width: 80vw;
}
.toast.ok { background: #15803d; }
.toast.err { background: #b91c1c; }
.toast.warn { background: #b45309; }

.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 14px;
  border: 1px solid transparent;
}
.alert.info { background: var(--primary-soft); border-color: #bfdbfe; color: #1e40af; }
.alert.warn { background: var(--warning-soft); border-color: #fde68a; color: #92400e; }
.alert.err { background: var(--danger-soft); border-color: #fecaca; color: #991b1b; }
.alert.ok { background: var(--success-soft); border-color: #bbf7d0; color: #166534; }

/* ------------------------------- 分页 ------------------------------- */

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--gray-200);
  font-size: 13px;
  color: var(--gray-500);
  flex-wrap: wrap;
}
.pager .spacer { margin-left: auto; }

/* ------------------------------- 登录页 ------------------------------- */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #eef4ff 0%, #f8fafc 45%, #f1f5f9 100%);
  padding: 24px 24px calc(var(--footer-height) + 24px);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
  padding: 32px 28px;
}
.login-head { text-align: center; margin-bottom: 24px; }
.login-head .brand-mark { margin: 0 auto 12px; width: 44px; height: 44px; border-radius: 12px; font-size: 20px; }
.login-head h1 { margin: 0 0 4px; font-size: 19px; color: var(--gray-900); }
.login-head p { margin: 0; font-size: 12.5px; color: var(--gray-400); }

/* ------------------------------- 树 ------------------------------- */

.tree-node { }
.tree-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
}
.tree-row:hover { background: var(--gray-50); }
.tree-row .caret {
  width: 18px; height: 18px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-400); cursor: pointer; font-size: 10px;
  border-radius: 4px;
}
.tree-row .caret:hover { background: var(--gray-200); }
.tree-row .caret.hidden { visibility: hidden; }
.tree-row .name { font-weight: 500; color: var(--gray-800); }
.tree-row .sub { font-size: 12px; color: var(--gray-400); }
.tree-row .spacer { margin-left: auto; }
.tree-children { }

/* ------------------------------- 工具类 ------------------------------- */

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.tight { gap: 6px; }
.muted { color: var(--gray-400); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.nowrap { white-space: nowrap; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.divider { height: 1px; background: var(--gray-200); margin: 16px 0; }
.pre {
  background: var(--gray-900);
  color: #e2e8f0;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  overflow: auto;
  max-height: 380px;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
}
.copyable { cursor: pointer; }
.copyable:hover { background: var(--primary-soft); border-radius: 4px; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-block {
  padding: 40px;
  text-align: center;
  color: var(--gray-400);
  font-size: 13px;
}

/* ------------------------------- 响应式 ------------------------------- */

.sidebar-toggle { display: none; }

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform 0.18s ease-out;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { transform: none; }
  .sidebar-toggle { display: inline-flex; }
  .form-row { grid-template-columns: 1fr; }
  .content { padding: 14px; }
  .desc { grid-template-columns: 1fr; }
  .modal-mask { padding: 12px; }
}