:root {
  --bg: #f4f6f2;
  --surface: #ffffff;
  --surface-soft: #f7f9f5;
  --surface-tint: #edf4ee;
  --ink: #17352a;
  --ink-soft: #426257;
  --muted: #789087;
  --line: #dce7df;
  --line-soft: #e9efeb;
  --forest: #1c5b45;
  --forest-deep: #123b2e;
  --forest-light: #3f8a6b;
  --gold: #c99843;
  --danger: #b74c45;
  --shadow: 0 14px 36px rgba(22, 61, 46, .07);
  --radius: 14px;
}

* { -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg) !important;
  color: var(--ink) !important;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif !important;
}

.app { background: var(--bg); }
.side {
  width: 248px !important;
  padding: 20px 14px 16px !important;
  background:
    radial-gradient(circle at 15% 0%, rgba(201,152,67,.14), transparent 28%),
    linear-gradient(180deg, #123f31 0%, #0e3026 100%) !important;
  border-right: 1px solid rgba(255,255,255,.07) !important;
  box-shadow: 10px 0 34px rgba(18, 59, 46, .13);
}
.brand {
  position: relative;
  padding: 8px 10px 22px !important;
  margin-bottom: 6px;
}
.brand:after {
  content: "运营中心";
  position: absolute;
  right: 10px;
  bottom: 23px;
  color: #7fa697;
  font-size: 10px;
  letter-spacing: .12em;
}
.brand-mark {
  width: 40px !important;
  height: 40px !important;
  border-radius: 12px !important;
  background: var(--gold) !important;
  box-shadow: none !important;
}
.brand b { color: #fff !important; font-size: 16px !important; letter-spacing: .02em; }
.brand small { color: #a9c4b6 !important; }
.nav-title { color: #789c8d !important; padding: 20px 12px 8px !important; font-size: 10px !important; letter-spacing: .16em; }
.nav button {
  position: relative;
  height: 45px !important;
  margin: 2px 0 !important;
  border-radius: 10px !important;
  color: #b9d0c3 !important;
  letter-spacing: .01em;
  transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.nav button:hover { background: rgba(255,255,255,.07) !important; color: #fff !important; transform: translateX(3px); }
.nav button.active {
  background: linear-gradient(90deg, #2d765b, #245f4b) !important;
  color: #fff !important;
  box-shadow: inset 3px 0 var(--gold), 0 7px 18px rgba(7,28,21,.18) !important;
}
.nav button.active:after {
  content: "";
  position: absolute;
  right: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #e0bb6a;
  box-shadow: 0 0 0 4px rgba(224,187,106,.12);
}
.nav button span {
  width: 27px !important;
  height: 27px !important;
  margin-right: 11px !important;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.07) !important;
  color: #e0bb6a !important;
  font-size: 11px !important;
}
.nav button.active span { background: rgba(255,255,255,.15) !important; border-color: rgba(255,255,255,.1); }
.side-bottom { color: #75988a !important; border-color: rgba(255,255,255,.1) !important; }

.main { width: calc(100% - 248px) !important; margin-left: 248px !important; padding: 0 34px 48px !important; }
.top {
  height: 74px !important;
  margin: 0 -34px 28px !important;
  padding: 0 34px !important;
  background: rgba(255,255,255,.94) !important;
  border-color: var(--line-soft) !important;
  box-shadow: 0 3px 16px rgba(20, 60, 45, .04);
}
.top h1 { color: var(--ink) !important; font-size: 20px !important; font-weight: 750 !important; letter-spacing: -.02em; }
.top p { color: var(--muted) !important; }
.search { background: var(--surface-soft) !important; border-color: var(--line) !important; color: var(--muted) !important; }
.avatar { background: var(--surface-tint) !important; color: var(--forest) !important; }

.btn { border: 1px solid var(--line) !important; border-radius: 8px !important; background: var(--surface) !important; color: var(--ink-soft) !important; font-weight: 650 !important; transition: all .18s ease; }
.btn:hover { border-color: #9bbbaa !important; transform: translateY(-1px); }
.btn:not(.light):not(.blue) { background: var(--forest) !important; border-color: var(--forest) !important; color: #fff !important; }
.btn.blue { background: #3d7a78 !important; border-color: #3d7a78 !important; color: #fff !important; }
.btn.light { background: var(--surface-tint) !important; border-color: transparent !important; color: var(--forest) !important; }

.cards { gap: 16px !important; }
.card, .panel { border: 1px solid var(--line) !important; border-radius: var(--radius) !important; box-shadow: var(--shadow) !important; }
.card { padding: 19px 21px !important; background: var(--surface) !important; }
.card .label { color: var(--muted) !important; font-size: 12px !important; }
.card strong { color: var(--ink) !important; font-size: 28px !important; font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.card .delta { color: var(--forest-light) !important; }
.panel { padding: 22px !important; background: var(--surface) !important; }
.panel h2 { color: var(--ink) !important; font-size: 16px !important; font-weight: 750 !important; }
.muted { color: var(--muted) !important; }
.grid { gap: 18px !important; }
.trend { background: linear-gradient(to top, rgba(237,244,238,.5), transparent) !important; border-color: var(--line) !important; }
.bar { background: var(--forest-light) !important; box-shadow: 0 5px 14px rgba(63,138,107,.15); }
.donut { background: conic-gradient(var(--forest-light) 0 68%, #e3ece6 68% 100%) !important; }
.todo { border-bottom-color: var(--line-soft) !important; color: var(--ink-soft); }
.todo b { color: var(--forest) !important; }

.tools { padding: 12px !important; border: 1px solid var(--line-soft) !important; border-radius: 10px !important; background: var(--surface-soft) !important; }
input, select { border-color: var(--line) !important; border-radius: 8px !important; color: var(--ink) !important; outline: none; }
input:focus, select:focus { border-color: var(--forest-light) !important; box-shadow: 0 0 0 3px rgba(63,138,107,.12) !important; }
table { min-width: 900px; }
th { background: var(--surface-soft) !important; color: var(--ink-soft) !important; border-bottom: 1px solid var(--line) !important; }
td { border-bottom-color: var(--line-soft) !important; color: var(--ink) !important; }
tr:hover td { background: #fbfdfb !important; }
.tag { border-radius: 999px !important; background: var(--surface-tint) !important; color: var(--forest) !important; }
.empty { color: var(--muted) !important; padding: 48px !important; }
.table-panel { margin-top: 18px !important; }

.home-grid { gap: 12px !important; }
.home-item { border-color: var(--line) !important; background: var(--surface-soft) !important; border-radius: 11px !important; }
.home-item:hover { border-color: #a4c4b2 !important; background: #fbfdfb !important; }
.modal { background: rgba(18, 59, 46, .58) !important; backdrop-filter: blur(4px); }
.dialog { border-radius: 16px !important; box-shadow: 0 28px 80px rgba(12, 50, 37, .22) !important; }
.close { color: var(--muted) !important; }
.toast { background: var(--forest-deep) !important; border-radius: 10px !important; box-shadow: var(--shadow) !important; }

@media (max-width: 900px) {
  .side { width: 100% !important; }
  .main { width: 100% !important; margin-left: 0 !important; padding: 0 16px 36px !important; }
  .top { margin: 0 -16px 18px !important; padding: 12px 16px !important; }
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr 1fr !important; }
  .top-actions { width: 100%; justify-content: flex-end; }
  .top-actions .search { display: none; }
}

/* 平板横屏：压缩固定导航和头部操作区，避免 1024px 左右视口被挤压。 */
@media (min-width: 901px) and (max-width: 1100px) {
  .main { width: calc(100% - 192px) !important; margin-left: 192px !important; padding: 0 18px 38px !important; }
  .top { margin: 0 -18px 18px !important; padding: 0 18px !important; }
  .top-actions .search { display: none !important; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}