/* LobsterAI 管理后台:仿运营后台风格(左侧分组菜单 / 顶栏面包屑 / 多页签 / 筛选卡 / 表格卡),零依赖 */
:root {
  --bg: #f0f2f5;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --border: #e5e7eb;
  --border-2: #dcdfe6;
  --text: #303133;
  --text-2: #606266;
  --muted: #909399;
  --primary: #409eff;
  --primary-light: #ecf5ff;
  --primary-hover: #66b1ff;
  --danger: #f56c6c;
  --danger-light: #fef0f0;
  --success: #67c23a;
  --success-light: #f0f9eb;
  --warn: #e6a23c;
  --warn-light: #fdf6ec;
  --info-light: #f4f4f5;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --side-w: 230px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.6 var(--font); color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 18px; }
h2 { font-size: 15px; }
h3 { font-size: 14px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; color: var(--text-2); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--success); font-weight: 600; }
.neg { color: var(--danger); font-weight: 600; }
svg.i { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* ── 外壳 ── */
.app { display: flex; min-height: 100vh; }
.side { width: var(--side-w); background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; transition: width 0.2s; }
.app.collapsed .side { width: 64px; }
.app.collapsed .side .label, .app.collapsed .side .chev, .app.collapsed .side .brand-text, .app.collapsed .menu-sub { display: none; }
.brand { display: flex; align-items: center; gap: 10px; height: 60px; padding: 0 18px; border-bottom: 1px solid var(--border); }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, #409eff, #7c4dff); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; flex-shrink: 0; }
.brand-text { font-weight: 600; font-size: 16px; white-space: nowrap; }
.menu { padding: 8px 0; }
.menu-item { display: flex; align-items: center; gap: 10px; height: 44px; padding: 0 20px; color: var(--text); cursor: pointer; user-select: none; white-space: nowrap; }
.menu-item:hover { color: var(--primary); text-decoration: none; }
.menu-item .chev { margin-left: auto; color: var(--muted); transition: transform 0.2s; }
.menu-group.open .menu-item .chev { transform: rotate(90deg); }
.menu-sub { display: none; }
.menu-group.open .menu-sub { display: block; }
.menu-sub a { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 20px 0 24px; color: var(--text-2); white-space: nowrap; }
.menu-sub a:hover { color: var(--primary); text-decoration: none; }
.menu-sub a.active { background: var(--primary-light); color: var(--primary); border-right: 3px solid var(--primary); }
.menu-item.active { color: var(--primary); background: var(--primary-light); }
.body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.top { height: 60px; background: var(--surface); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; padding: 0 16px; position: sticky; top: 0; z-index: 20; }
.top .icon-btn { width: 36px; height: 36px; border: 1px solid var(--border-2); border-radius: var(--radius); background: var(--surface); display: grid; place-items: center; cursor: pointer; color: var(--text-2); }
.top .icon-btn:hover { color: var(--primary); border-color: var(--primary); }
.crumb { display: flex; align-items: center; gap: 8px; color: var(--text-2); margin-left: 6px; }
.crumb .sep { color: var(--muted); }
.crumb .cur { color: var(--text); }
.top .spacer { flex: 1; }
.top .search { display: flex; align-items: center; gap: 6px; width: 240px; height: 36px; border: 1px solid var(--border-2); border-radius: var(--radius); padding: 0 10px; color: var(--muted); }
.top .search input { border: none; outline: none; flex: 1; min-width: 0; background: transparent; color: var(--text); }
.top .search kbd { font-size: 11px; border: 1px solid var(--border-2); border-radius: 4px; padding: 0 5px; color: var(--muted); }
.top .user { display: flex; align-items: center; gap: 8px; padding-left: 12px; border-left: 1px solid var(--border); height: 36px; color: var(--text); }
.top .user .avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border-2); display: grid; place-items: center; color: var(--muted); }
.top .user .menu-pop { display: none; position: absolute; right: 16px; top: 56px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 200px; padding: 6px 0; z-index: 30; }
.top .user:hover .menu-pop, .top .user.open .menu-pop { display: block; }
.menu-pop .row-item { padding: 8px 14px; font-size: 13px; cursor: pointer; white-space: nowrap; }
.menu-pop .row-item:hover { background: var(--surface-2); }
.menu-pop .row-item.danger { color: var(--danger); }
.tabs-bar { display: flex; align-items: center; gap: 6px; padding: 8px 16px 0; background: var(--surface); border-bottom: 1px solid var(--border); overflow-x: auto; scrollbar-width: thin; }
.tabs-bar .ptab { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; margin-bottom: 8px; border-radius: 4px; background: var(--primary-light); color: var(--primary); font-size: 13px; white-space: nowrap; cursor: pointer; }
.tabs-bar .ptab.active { background: var(--primary); color: #fff; }
.tabs-bar .ptab .x { opacity: 0.6; font-size: 12px; }
.tabs-bar .ptab .x:hover { opacity: 1; }
.content { padding: 16px; flex: 1; }

/* ── 卡片 / 筛选表单 / 表格 ── */
.card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 16px; }
.card h2 { margin-bottom: 12px; }
.sub-tabs { display: flex; gap: 28px; border-bottom: 1px solid var(--border); margin-bottom: 14px; padding: 0 4px; }
.sub-tabs a { padding: 10px 0; color: var(--text); border-bottom: 2px solid transparent; margin-bottom: -1px; font-size: 15px; }
.sub-tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }
.sub-tabs a:hover { text-decoration: none; color: var(--primary); }
.filter { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px 24px; align-items: center; }
.filter .f { display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: 10px; }
.filter .f label { text-align: right; color: var(--text); white-space: nowrap; }
.filter .f.range .inputs { display: flex; align-items: center; gap: 8px; }
.filter .f.range .inputs span { color: var(--muted); }
.filter .btns { display: flex; gap: 10px; justify-content: flex-end; align-items: center; }
.input, select.input, textarea.input { width: 100%; height: 36px; padding: 0 12px; border: 1px solid var(--border-2); border-radius: var(--radius); background: var(--surface); color: var(--text); }
.input::placeholder { color: #a8abb2; }
.input:focus { outline: none; border-color: var(--primary); }
textarea.input { height: auto; min-height: 72px; padding: 8px 12px; resize: vertical; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--text-2); }
.field .help { font-size: 12px; color: var(--muted); line-height: 1.5; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.toolbar .left, .toolbar .right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.icon-btn { width: 34px; height: 34px; border: 1px solid var(--border-2); border-radius: var(--radius); background: var(--surface); display: grid; place-items: center; cursor: pointer; color: var(--text-2); }
.icon-btn:hover { color: var(--primary); border-color: var(--primary); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--text); font-weight: 600; background: var(--surface); }
tr:hover td { background: #f5f7fa; }
td .sub { color: var(--muted); font-size: 12px; }
.empty { color: var(--muted); padding: 36px; text-align: center; }
.pager { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 16px 0 4px; color: var(--text-2); font-size: 13px; }
.pager .pg { display: flex; gap: 6px; align-items: center; }
.pager .pg button { min-width: 32px; height: 32px; border: 1px solid var(--border-2); border-radius: 4px; background: var(--surface); cursor: pointer; }
.pager .pg button.cur { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager .pg button:disabled { opacity: 0.5; cursor: not-allowed; }
.pager select.input, .pager input.input { width: auto; height: 32px; }
.pager input.input { width: 64px; text-align: center; }

/* ── 控件 ── */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 16px; border-radius: var(--radius); border: 1px solid var(--border-2); background: var(--surface); cursor: pointer; line-height: 1; white-space: nowrap; }
.btn:hover { color: var(--primary); border-color: #c6e2ff; background: var(--primary-light); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn.danger { color: var(--danger); border-color: #fbc4c4; background: var(--danger-light); }
.btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.round { border-radius: 18px; }
.btn.sm { height: 28px; padding: 0 10px; font-size: 12px; }
.btn.sq { width: 30px; height: 30px; padding: 0; justify-content: center; font-size: 16px; }
.btn.sq.plus { background: var(--primary-light); border-color: #c6e2ff; color: var(--primary); }
.btn.sq.minus { background: var(--danger-light); border-color: #fbc4c4; color: var(--danger); }
.btn.link { border: none; background: none; color: var(--primary); padding: 0 6px; height: auto; }
.btn.link.danger { color: var(--danger); background: none; border: none; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; gap: 14px; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; display: block; color: inherit; }
.stat:hover { text-decoration: none; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 26px; font-weight: 600; margin-top: 4px; }
.stat .hint { color: var(--muted); font-size: 12px; margin-top: 2px; }
.tag { display: inline-block; padding: 0 8px; height: 24px; line-height: 22px; border-radius: 4px; font-size: 12px; border: 1px solid var(--border); background: var(--info-light); color: var(--text-2); white-space: nowrap; }
.tag.blue { background: var(--primary-light); border-color: #d9ecff; color: var(--primary); }
.tag.green { background: var(--success-light); border-color: #e1f3d8; color: var(--success); }
.tag.red { background: var(--danger-light); border-color: #fde2e2; color: var(--danger); }
.tag.amber { background: var(--warn-light); border-color: #faecd8; color: var(--warn); }
.tag.solid { background: var(--primary); color: #fff; border-color: var(--primary); }
/* 收入看板的每日柱状图 */
.bars { display: flex; align-items: flex-end; gap: 3px; height: 120px; margin: 6px 0 2px; border-bottom: 1px solid var(--border); }
.bars .bar { flex: 1; height: 100%; display: flex; align-items: flex-end; }
.bars .bar i { display: block; width: 100%; min-height: 1px; background: var(--primary); border-radius: 2px 2px 0 0; opacity: .85; }
.bars .bar i.alt { background: #67c23a; }
.bars .bar:hover i { opacity: 1; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.perm-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 16px; }
.perm { display: grid; grid-template-columns: 1fr 100px; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); }
.perm .name { font-weight: 500; }
.perm .desc { color: var(--muted); font-size: 12px; }
.perm.locked { opacity: 0.7; }
.perm-group { grid-column: 1 / -1; font-size: 12px; color: var(--muted); margin-top: 6px; }
.tree { list-style: none; padding-left: 0; margin: 0; }
.tree ul { list-style: none; padding-left: 22px; margin: 0; }
.tree li { padding: 4px 0; }
.tree .node { display: flex; align-items: center; gap: 8px; }
.tree .node .name { font-weight: 500; }
.tree .node .ops { visibility: hidden; }
.tree .node:hover .ops { visibility: visible; }

/* ── 登录 ── */
.login { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #eef3ff, #f7f8fa); }
.login .card { width: 400px; padding: 32px; }
.login h1 { margin-bottom: 4px; font-size: 22px; }
.login p { color: var(--muted); margin: 0 0 20px; }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }

/* ── 弹窗 / 提示 ── */
.modal-mask { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.45); display: grid; place-items: center; z-index: 50; }
.modal { background: var(--surface); border-radius: 8px; width: min(600px, calc(100vw - 32px)); max-height: calc(100vh - 48px); overflow: auto; padding: 22px 24px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25); }
.modal.wide { width: min(880px, calc(100vw - 32px)); }
.modal h2 { margin-bottom: 16px; font-size: 16px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.toast { position: fixed; right: 20px; top: 76px; background: var(--success-light); color: var(--success); border: 1px solid #e1f3d8; padding: 10px 16px; border-radius: 6px; box-shadow: var(--shadow); z-index: 60; max-width: 460px; }
.toast.error { background: var(--danger-light); color: var(--danger); border-color: #fde2e2; }
.secret { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 18px; background: var(--surface-2); padding: 10px 12px; border-radius: 6px; border: 1px dashed var(--border-2); user-select: all; }
.loading { color: var(--muted); padding: 28px; text-align: center; }
.note { background: var(--primary-light); border: 1px solid #d9ecff; color: var(--text-2); border-radius: var(--radius); padding: 10px 14px; font-size: 13px; margin-bottom: 14px; line-height: 1.7; }

@media (max-width: 960px) {
  .side { position: fixed; z-index: 30; }
  .grid.cols-4, .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .perm-grid { grid-template-columns: 1fr; }
  .filter .f { grid-template-columns: 70px 1fr; }
}