/* ============== 成语接龙运营后台 国潮风 ============== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --red: #be3a2e;
  --red-dark: #9c2d23;
  --gold: #c79a4e;
  --ink: #2e2a23;
  --ink-soft: #5a5347;
  --paper: #f5eee0;
  --card: #fffdf8;
  --line: #e8ddc8;
  --green: #3a8a5c;
  --bg: #f4f1ea;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
}

/* ============ 登录 ============ */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(199,154,78,.12), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(190,58,46,.10), transparent 40%),
    linear-gradient(135deg, #f7f0e1 0%, #efe4cf 100%);
}

.login-card {
  width: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 42px 36px 34px;
  box-shadow: 0 18px 50px rgba(46,42,35,.14);
  text-align: center;
}

.login-seal {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 10px;
  background: var(--red);
  color: #fff7e8;
  font-size: 34px;
  font-weight: 700;
  line-height: 64px;
  box-shadow: 0 6px 16px rgba(190,58,46,.35);
}

.login-card h1 { font-size: 22px; letter-spacing: 2px; }
.login-sub { color: var(--gold); font-size: 11px; letter-spacing: 3px; margin: 6px 0 26px; }
.login-tip { margin-top: 16px; color: #a99e89; font-size: 12px; }

.form-item { margin-bottom: 14px; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { border-color: var(--gold); }
.form-item textarea { resize: vertical; min-height: 64px; font-family: inherit; }

/* ============ 按钮 ============ */
.btn {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.btn:hover { border-color: var(--gold); color: var(--red); }
.btn-primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); color: #fff; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #fff; }
.btn-gold:hover { background: #b3893f; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; padding: 12px; font-size: 15px; letter-spacing: 4px; }
.btn-danger { color: var(--red); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ============ 布局 ============ */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: linear-gradient(180deg, #342e25 0%, #26221c 100%);
  color: #d8cfbd;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.brand-seal {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--red);
  color: #fff7e8;
  text-align: center;
  line-height: 42px;
  font-size: 22px;
  font-weight: 700;
}
.brand-name { color: #fff; font-size: 17px; font-weight: 600; letter-spacing: 2px; }
.brand-sub { font-size: 11px; color: #9b917e; margin-top: 2px; }

.nav { flex: 1; padding: 14px 12px; }
.nav-item {
  display: block;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 4px;
  cursor: pointer;
  color: #c6bda9;
  font-size: 14px;
  transition: all .15s;
}
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: var(--red); color: #fff; }

.sidebar-foot { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.07); font-size: 12px; }
.admin-name { color: #d8cfbd; margin-bottom: 8px; }
.logout { color: #9b917e; cursor: pointer; }
.logout:hover { color: var(--gold); }

.main { flex: 1; padding: 24px 28px; overflow: auto; }

.page-title { font-size: 20px; margin-bottom: 18px; font-weight: 600; }
.page-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--red);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: -2px;
}

/* ============ 卡片 / 指标 ============ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}
.stat-label { color: var(--ink-soft); font-size: 13px; margin-bottom: 10px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--ink); }
.stat-value.red { color: var(--red); }
.stat-value.gold { color: var(--gold); }
.stat-value.green { color: var(--green); }
.stat-unit { font-size: 13px; color: #a99e89; font-weight: 400; margin-left: 4px; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.panel-title { font-size: 15px; font-weight: 600; }

/* ============ 图表 ============ */
.chart-toolbar { display: flex; gap: 8px; }
.chart-tab {
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  cursor: pointer;
  font-size: 12px;
  color: var(--ink-soft);
}
.chart-tab.active { background: var(--red); border-color: var(--red); color: #fff; }
#trendChart { width: 100%; height: 260px; }

/* ============ 工具条 / 表格 ============ */
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar input, .toolbar select {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 13px;
  outline: none;
  background: #fff;
}
.toolbar input { width: 200px; }

table { width: 100%; border-collapse: collapse; background: var(--card); }
thead th {
  background: #faf5ea;
  text-align: left;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid #f0e8d8;
  font-size: 13px;
  vertical-align: middle;
}
tbody tr:hover { background: #fdf9f0; }

.table-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.table-wrap table { border-radius: 10px; }

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 12px;
}
.tag-green { background: #e7f4ec; color: var(--green); }
.tag-red { background: #fae9e7; color: var(--red); }
.tag-gray { background: #eee9dd; color: #8c8372; }
.tag-gold { background: #f7eed9; color: #a57d2e; }

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #eee9dd;
  vertical-align: middle;
  margin-right: 8px;
  object-fit: cover;
}
.user-cell { display: flex; align-items: center; }
.user-meta .nick { font-weight: 500; }
.user-meta .vid { font-size: 11px; color: #a99e89; }

.ops a { margin-right: 10px; cursor: pointer; color: var(--red); font-size: 12px; }
.ops a.danger { color: #b04a42; }

/* ============ 分页 ============ */
.pagination {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  align-items: center;
  padding: 14px;
  font-size: 13px;
  color: var(--ink-soft);
}
.pagination button { min-width: 32px; }

/* ============ 弹窗 ============ */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(46,42,35,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--card);
  border-radius: 12px;
  width: 460px;
  max-width: 92vw;
  max-height: 86vh;
  overflow: auto;
  padding: 26px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal.wide { width: 680px; }
.modal-title { font-size: 17px; font-weight: 600; margin-bottom: 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.modal .form-item label {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 5px;
}

.empty { text-align: center; color: #a99e89; padding: 50px 0; }

.toast {
  position: fixed;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(46,42,35,.92);
  color: #fff;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 200;
}

.muted { color: #a99e89; }
.mono { font-family: Consolas, Menlo, monospace; font-size: 12px; }