* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --espresso: #2E2620;
  --mocha: #4A3A2C;
  --caramel: #C8A97E;
  --cream: #F7F3ED;
  --paper: #FFFFFF;
  --line: #E8E0D6;
  --muted: #8B7D6B;
  --green: #6B8E23;
  --red: #B5543A;
}
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--cream);
  color: var(--espresso);
  font-size: 14px;
}

/* ===== 登录 ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #3a2f26 0%, #4A3A2C 60%, #5c4632 100%);
}
.login-card {
  width: 360px;
  background: var(--paper);
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  text-align: center;
}
.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-title { font-size: 22px; color: var(--espresso); }
.login-sub { font-size: 12px; color: var(--muted); letter-spacing: 2px; margin: 6px 0 28px; }
.login-input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 14px;
  background: var(--cream);
  outline: none;
}
.login-input:focus { border-color: var(--caramel); background: #fff; }
.login-btn { width: 100%; height: 46px; margin-top: 6px; font-size: 16px; }
.login-err { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ===== 布局 ===== */
.app-wrap { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px;
  background: var(--espresso);
  color: #E8DCCB;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  position: fixed;
  top: 0; bottom: 0; left: 0;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 0 22px 22px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 14px;
}
.brand-icon { font-size: 26px; }
.brand-text { font-size: 18px; font-weight: 600; color: #fff; }
.nav { flex: 1; }
.nav-item {
  padding: 13px 22px;
  cursor: pointer;
  transition: all .2s;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: rgba(200,169,126,.15); }
.nav-item.active {
  background: rgba(200,169,126,.22);
  border-left-color: var(--caramel);
  color: #fff;
  font-weight: 600;
}
.logout-btn {
  margin: 0 16px;
  padding: 11px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.2);
  color: #E8DCCB;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}
.logout-btn:hover { background: rgba(255,255,255,.08); }

.main { flex: 1; margin-left: 200px; display: flex; flex-direction: column; }
.topbar {
  height: 60px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h2 { font-size: 18px; color: var(--espresso); }
.admin-name { color: var(--muted); font-size: 13px; }
.content { padding: 24px 28px; }

/* ===== 统计卡片 ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--paper);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(74,58,44,.05);
}
.stat-card .stat-icon { font-size: 26px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--espresso); margin: 8px 0 2px; }
.stat-card .stat-label { font-size: 13px; color: var(--muted); }

/* ===== 工具栏 ===== */
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.toolbar .filters { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== 表格 ===== */
.table-card {
  background: var(--paper);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(74,58,44,.05);
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 16px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--line); }
th { background: var(--cream); color: var(--mocha); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #faf7f2; }
td .row-title { font-weight: 600; color: var(--espresso); }
td .row-sub { color: var(--muted); font-size: 12px; margin-top:2px; }
.table-scroll { overflow-x: auto; }

/* ===== 标签/状态 ===== */
.tag { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; background: var(--cream); color: var(--mocha); }
.tag-gold { background: rgba(200,169,126,.25); color: #8a6d3b; }
.tag-green { background: rgba(107,142,35,.15); color: var(--green); }
.tag-red { background: rgba(181,84,58,.13); color: var(--red); }
.tag-blue { background: rgba(60,90,140,.13); color: #3c5a8c; }

/* ===== 按钮 ===== */
.btn-primary {
  background: var(--mocha);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: background .2s;
}
.btn-primary:hover { background: var(--espresso); }
.btn-ghost {
  background: var(--cream);
  color: var(--mocha);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 14px;
  cursor: pointer;
}
.btn-ghost:hover { background: #ede6db; }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 8px; }
.btn-danger { background: transparent; color: var(--red); border: 1px solid rgba(181,84,58,.3); }
.btn-danger:hover { background: rgba(181,84,58,.08); }
.btn-link {
  background: none; border: none; color: var(--caramel);
  cursor: pointer; font-size: 12px; padding: 2px 6px;
}
.btn-link:hover { text-decoration: underline; }
.op-group { display: flex; gap: 8px; }

/* ===== 表单 ===== */
.form-item { margin-bottom: 14px; }
.form-item label { display: block; font-size: 13px; color: var(--mocha); margin-bottom: 6px; font-weight: 600; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  background: var(--cream);
  font-family: inherit;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { border-color: var(--caramel); background: #fff; }
.form-item textarea { min-height: 70px; resize: vertical; }
.form-row { display: flex; gap: 12px; }
.form-row .form-item { flex: 1; }

.upload-btn {
  width: 100%;
  padding: 12px;
  border: 1.5px dashed var(--caramel);
  border-radius: 10px;
  background: #faf5ee;
  color: var(--espresso);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.upload-btn:hover { background: #f3e9dc; border-style: solid; }
.upload-btn:disabled { opacity: .6; cursor: wait; }

/* ===== 弹窗 ===== */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-mask { position: absolute; inset: 0; background: rgba(46,38,32,.5); }
.modal-box {
  position: relative;
  background: var(--paper);
  border-radius: 16px;
  width: 480px;
  max-width: 92vw;
  max-height: 86vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; border-bottom: 1px solid var(--line);
}
.modal-header h3 { font-size: 16px; }
.modal-close { font-size: 26px; color: var(--muted); cursor: pointer; line-height: 1; }
.modal-body { padding: 20px 22px; overflow-y: auto; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; padding: 14px 22px; border-top: 1px solid var(--line); }

/* ===== 空状态 ===== */
.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty .empty-icon { font-size: 44px; opacity: .4; margin-bottom: 12px; }

/* ===== Toast ===== */
.card { background: #fff; border: 1px solid rgba(30,20,15,.08); border-radius: 14px; box-shadow: 0 2px 10px rgba(30,20,15,.04); }
.form-tip { font-size: 12px; color: #9d958e; margin: -4px 0 14px; line-height: 1.5; }
.toast {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--espresso);
  color: #fff;
  padding: 11px 24px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 200;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}

@media (max-width: 768px) {
  .sidebar { width: 64px; }
  .brand-text, .nav-item, .logout-btn { font-size: 0; }
  .nav-item { text-align: center; font-size: 20px; padding: 16px 0; }
  .main { margin-left: 64px; }
}