:root { --sidebar-w: 220px; --brand: #7c3aed; }
html, body { margin: 0; height: 100%; background: #f5f6f8; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
#app { min-height: 100%; }
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #ede9fe, #fdf2f8); }
.login-card { width: 380px; }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .sub { color: #888; margin-bottom: 20px; font-size: 13px; }
.layout { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); background: #1f1d2b; color: #ddd; flex: none; display: flex; flex-direction: column; }
.sidebar .brand { padding: 18px 20px; font-weight: 600; font-size: 16px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar .brand small { display: block; font-weight: 400; color: #9a96b3; font-size: 12px; margin-top: 2px; }
.sidebar .el-menu { border-right: 0; background: transparent; flex: 1; }
.sidebar .el-menu-item, .sidebar .el-sub-menu__title { color: #c9c6d9; }
.sidebar .el-menu-item.is-active { color: #fff; background: rgba(124,58,237,.35); }
.sidebar .el-menu-item:hover, .sidebar .el-sub-menu__title:hover { background: rgba(255,255,255,.06); }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { height: 52px; background: #fff; border-bottom: 1px solid #e8e8ee; display: flex; align-items: center; padding: 0 20px; gap: 12px; }
.topbar .title { font-weight: 600; font-size: 15px; }
.topbar .spacer { flex: 1; }
.content { padding: 20px; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 18px; }
.page-head .spacer { flex: 1; }
.card { background: #fff; border-radius: 8px; padding: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.04); margin-bottom: 16px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border-radius: 8px; padding: 14px 16px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.stat .label { color: #888; font-size: 12px; }
.stat .value { font-size: 26px; font-weight: 600; margin: 4px 0; }
.stat .sub { color: #999; font-size: 12px; }
.muted { color: #999; font-size: 12px; }
.mono { font-family: ui-monospace, Menlo, monospace; font-size: 12px; }
.cover-thumb { width: 45px; height: 80px; object-fit: cover; border-radius: 4px; background: #eee; }
.cover-preview { width: 135px; height: 240px; object-fit: cover; border-radius: 6px; background: #eee; display: block; }
.drop-zone { border: 2px dashed #cfcfe0; border-radius: 8px; padding: 26px; text-align: center; color: #777; cursor: pointer; }
.drop-zone.over { border-color: var(--brand); background: #f6f2ff; }
.rule-preview { background: #f6f2ff; border-left: 3px solid var(--brand); padding: 10px 12px; border-radius: 4px; color: #4b3a7a; font-size: 13px; line-height: 1.7; }
.trend { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 10px; }
.trend .bar { flex: 1; background: #c4b5fd; border-radius: 3px 3px 0 0; position: relative; min-height: 2px; }
.trend .bar:hover { background: var(--brand); }
.trend .bar span { position: absolute; bottom: -18px; left: 0; right: 0; text-align: center; font-size: 10px; color: #999; white-space: nowrap; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: 13px; }
.kv .k { color: #888; }
.form-tip { color: #999; font-size: 12px; line-height: 1.5; margin-top: 2px; }
.json-box { font-family: ui-monospace, Menlo, monospace; font-size: 12px; white-space: pre-wrap; word-break: break-all; background: #f7f7fa; padding: 8px; border-radius: 4px; max-height: 200px; overflow: auto; }
.el-table .cell { word-break: break-word; }
@media (max-width: 900px) { .sidebar { display: none; } .content { padding: 12px; } }