:root {
  --admin-sidebar-width: 240px;
  --admin-bg: #f8efe4;
  --admin-surface: #fffaf4;
  --admin-surface-strong: #fffdf9;
  --admin-teal: #053c3c;
  --admin-teal-2: #074847;
  --admin-teal-deep: #033334;
  --admin-gold: #d69a42;
  --admin-gold-soft: #e8c992;
  --admin-border: #ead8c1;
  --admin-text: #17343a;
  --admin-muted: #746f68;
  --admin-orange: #d57913;
  --admin-brick: #b84e45;
  --admin-green: #4c8b54;
  --admin-shadow: 0 7px 22px rgba(58, 38, 20, 0.045);
  --admin-radius: 12px;
  --admin-font: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Noto Sans CJK SC", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 1180px; background: var(--admin-bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--admin-text);
  font-family: var(--admin-font);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
  background:
    radial-gradient(circle at 8% 4%, rgba(214,154,66,.035), transparent 28%),
    linear-gradient(135deg, rgba(255,255,255,.18), transparent 55%),
    var(--admin-bg);
}
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.admin-app { min-height: 100vh; }

.admin-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--admin-sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 22px 14px 18px;
  color: #fff8eb;
  background:
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.025)),
    var(--admin-teal-deep);
  border-right: 1px solid rgba(232,201,146,.34);
  z-index: 100;
}

.admin-brand {
  padding: 0 8px 12px;
}
.admin-brand__identity {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 72px;
}
.admin-brand__logo {
  width: 84px;
  height: 56px;
  display: block;
  flex: 0 0 84px;
  object-fit: contain;
  object-position: center;
}
.admin-brand__titles { min-width: 0; text-align: center; }
.admin-brand__title {
  color: #f3c56e;
  font-size: 24px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: .12em;
  white-space: nowrap;
}
.admin-brand__english {
  margin-top: 4px;
  color: #f9e9bd;
  font-size: 12px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .16em;
  white-space: nowrap;
}
.admin-brand__subtitle {
  margin: 2px 4px 0;
  text-align: center;
  color: #fff6e7;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 18px;
}
.admin-nav__item {
  position: relative;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #fffaf0;
  font-size: 16px;
  font-weight: 600;
  background: transparent;
  transition: background .15s ease, border-color .15s ease;
}
.admin-nav__item:hover { background: rgba(255,255,255,.035); }
.admin-nav__item.is-active {
  color: #fff7df;
  border-color: var(--admin-gold);
  background: rgba(10, 87, 84, .58);
  box-shadow: inset 0 0 0 1px rgba(214,154,66,.12);
}
.admin-nav__item.is-active::before {
  content: "";
  position: absolute;
  left: -2px;
  width: 4px;
  height: 28px;
  border-radius: 4px;
  background: var(--admin-gold);
}
.admin-nav__icon {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-account {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 8px 0;
  color: #fff7ea;
}
.admin-account__avatar {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--admin-gold);
  border-radius: 50%;
  color: var(--admin-gold);
}
.admin-account__avatar svg { width: 24px; height: 24px; }
.admin-account__meta { min-width: 0; }
.admin-account__name { font-size: 15px; font-weight: 700; }
.admin-account__email { font-size: 11px; color: rgba(255,248,235,.8); white-space: nowrap; }
.admin-account__chevron { margin-left: auto; color: #f1d2a0; }

.admin-main {
  margin-left: var(--admin-sidebar-width);
  min-height: 100vh;
  width: calc(100% - var(--admin-sidebar-width));
}
.admin-content {
  width: 100%;
  max-width: none;
  padding: 24px 28px 34px;
}
.admin-page-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.admin-page-header__title {
  margin: 0;
  color: #073b3d;
  font-size: clamp(30px, 2.1vw, 38px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -.01em;
}
.admin-page-header__subtitle {
  margin: 8px 0 0;
  color: #4f5653;
  font-size: 14px;
  font-weight: 550;
}
.admin-page-header__status {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.admin-section { margin-top: 14px; }
.admin-section__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  color: #123f40;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.25;
}
.admin-section__title::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--admin-orange);
}

.admin-dev-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid #e8cfab;
  border-radius: 999px;
  color: #765c35;
  background: rgba(255, 249, 238, .8);
  font-size: 12px;
  font-weight: 650;
}
.admin-dev-note::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--admin-orange);
}

@media (max-width: 1399px) {
  .admin-content { padding-left: 22px; padding-right: 22px; }
  .admin-page-header__title { font-size: 30px; }
}