/* 食艺集团月度数据看板 - 设计系统
   数据密集型看板：浅色背景、蓝主调+琥珀强调、紧凑网格 */
:root {
  --bg: #F1F5F9;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --border-soft: #EEF2F7;
  --primary: #1E40AF;
  --primary-2: #3B82F6;
  --primary-3: #60A5FA;
  --primary-light: #EFF6FF;
  --accent: #F59E0B;
  --accent-light: #FEF3C7;
  --success: #10B981;
  --success-light: #D1FAE5;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --warning: #F59E0B;
  --text: #0F172A;
  --muted: #64748B;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(15,23,42,.06), 0 4px 16px rgba(15,23,42,.05);
  --shadow-hover: 0 4px 12px rgba(15,23,42,.10), 0 8px 24px rgba(15,23,42,.08);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "Fira Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary-2); text-decoration: none; }

/* ---------- 顶部导航 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 12px 16px 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--primary); white-space: nowrap; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700;
}
.brand small { display: block; font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: .5px; }

.topbar .spacer { flex: 1; }
.topbar .ctrl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ctrl-label { font-size: 12px; color: var(--muted); }
.month-nav { display: flex; gap: 6px; align-items: center; }
.month-btn {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 6px 12px; border-radius: var(--radius-sm); cursor: pointer;
  font-size: 13px; transition: all .2s;
}
.month-btn:hover { border-color: var(--primary-2); color: var(--primary); }
.month-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* 月份下拉选择 */
.month-select {
  border: 1px solid var(--primary-2); background: #fff; color: var(--primary);
  padding: 6px 30px 6px 12px; border-radius: var(--radius-sm); cursor: pointer;
  font-size: 13px; font-weight: 600; transition: all .2s;
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231E40AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center;
}
.month-select:hover { border-color: var(--primary); box-shadow: 0 2px 8px rgba(30,64,175,.12); }
.month-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,.18); }

.store-nav { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.store-chip {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 5px 12px; border-radius: 20px; cursor: pointer; font-size: 12.5px;
  transition: all .2s; white-space: nowrap;
}
.store-chip:hover { border-color: var(--primary-2); color: var(--primary); }
.store-chip.active { background: var(--primary-light); border-color: var(--primary-2); color: var(--primary); font-weight: 600; }

/* ---------- 主体布局 ---------- */
.container { max-width: 1440px; margin: 0 auto; padding: 16px 18px 40px; }
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 18px; }
.kpi-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; position: relative; overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.kpi-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.kpi-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--primary-2);
}
.kpi-card.green::before { background: var(--success); }
.kpi-card.amber::before { background: var(--accent); }
.kpi-card.red::before { background: var(--danger); }
.kpi-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.kpi-value { font-size: 24px; font-weight: 700; font-family: var(--mono); letter-spacing: -.5px; line-height: 1.2; }
.kpi-value .unit { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 3px; font-family: var(--font); }
.kpi-sub { font-size: 12px; color: var(--muted); margin-top: 6px; }
.kpi-sub .up { color: var(--success); font-weight: 600; }
.kpi-sub .down { color: var(--danger); font-weight: 600; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px; min-width: 0;
}
.card-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.card-title .ico { color: var(--primary-2); }
.card-sub { font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.card-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chart { width: 100%; }
.chart-lg { height: 340px; }
.chart-md { height: 300px; }
.chart-sm { height: 240px; }

/* ---------- 表格 ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-weight: 600; color: var(--muted); font-size: 12px;
  padding: 9px 10px; border-bottom: 2px solid var(--border-soft); white-space: nowrap; background: #FAFBFC;
}
.tbl td { padding: 9px 10px; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
.tbl tr:hover td { background: #F8FBFF; }
.tbl .num { font-family: var(--mono); text-align: right; }
.tbl .tac { text-align: center; }
.tbl .pos { color: var(--danger); font-weight: 600; }
.tbl .neg { color: var(--success); font-weight: 600; }
.tbl .rate-high { color: var(--success); font-weight: 700; }
.tbl .rate-mid { color: var(--accent); font-weight: 600; }
.tbl .rate-low { color: var(--danger); font-weight: 600; }
.tbl .store-name { font-weight: 600; }

/* ---------- 徽章/标签 ---------- */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600;
}
.badge.blue { background: var(--primary-light); color: var(--primary); }
.badge.green { background: var(--success-light); color: #047857; }
.badge.amber { background: var(--accent-light); color: #B45309; }
.badge.red { background: var(--danger-light); color: #B91C1C; }
.badge.gray { background: #F1F5F9; color: var(--muted); }

.tag { display: inline-block; background: #F8FAFC; border: 1px solid var(--border); border-radius: 6px; padding: 1px 7px; font-size: 11px; color: var(--muted); margin: 1px 2px; }
.tag.hot { background: var(--accent-light); border-color: #FDE68A; color: #B45309; }

/* ---------- 报告 ---------- */
.report-box {
  background: linear-gradient(180deg, #FBFDFF 0%, #FFFFFF 100%);
  border: 1px solid var(--border); border-left: 4px solid var(--primary-2);
  border-radius: var(--radius-sm); padding: 16px 18px; margin-bottom: 14px;
}
.report-box h3 { font-size: 13.5px; color: var(--primary); margin: 12px 0 6px; }
.report-box h3:first-child { margin-top: 0; }
.report-box h4 { font-size: 12.5px; color: #475569; margin: 8px 0 4px; }
.report-box p { margin: 4px 0; font-size: 13px; line-height: 1.75; }
.report-box ul { margin: 4px 0 4px 18px; }
.report-box li { margin: 3px 0; font-size: 13px; line-height: 1.7; }
.report-box b { color: var(--primary); font-weight: 700; }
.report-box .muted { color: var(--muted); }
.report-box .tip { color: var(--muted); font-size: 12px; background: #F8FAFC; border-radius: 6px; padding: 6px 10px; margin-top: 6px; }
.report-summary { font-size: 13px; color: #475569; }
.report-meta { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.min-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 8px 0; }
.min-table th, .min-table td { padding: 6px 10px; border-bottom: 1px solid var(--border-soft); text-align: left; }
.min-table th { color: var(--muted); font-size: 12px; background: #F8FAFC; }
.star-dist { list-style: none; margin: 6px 0 0; padding: 0; }
.star-dist li { font-size: 13px; padding: 2px 0; }

/* ---------- 评价卡片 ---------- */
.review-card {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 16px; margin-bottom: 12px; background: #fff;
  transition: box-shadow .2s;
}
.review-card:hover { box-shadow: var(--shadow-hover); }
.review-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.review-avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--primary-light);
  color: var(--primary); display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.review-user { font-weight: 600; font-size: 13px; }
.review-meta { font-size: 11.5px; color: var(--muted); }
.review-stars { color: var(--accent); letter-spacing: 1px; font-size: 13px; }
.review-content { font-size: 13.5px; color: #334155; line-height: 1.75; margin: 6px 0; white-space: pre-wrap; word-break: break-word; }
.review-tags { margin-top: 6px; }
.review-reply {
  margin-top: 10px; padding: 10px 12px; background: #F8FAFC; border-radius: 8px;
  font-size: 12.5px; color: #475569; border-left: 3px solid var(--primary-2);
}
.review-reply .lbl { color: var(--muted); font-weight: 600; margin-right: 4px; }
.review-score-grid { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.review-score-grid b { color: var(--text); font-family: var(--mono); }

/* ---------- 菜品 ---------- */
.dish-col { margin-bottom: 8px; }
.dish-cat {
  font-size: 12.5px; font-weight: 700; color: var(--primary); margin: 10px 0 4px;
  display: flex; align-items: center; gap: 6px;
}
.dish-cat::before { content: ''; width: 8px; height: 8px; border-radius: 2px; background: var(--primary-2); }
.dish-row { display: flex; justify-content: space-between; align-items: center; padding: 4px 6px; border-radius: 6px; font-size: 12.8px; }
.dish-row:nth-child(even) { background: #FAFBFC; }
.dish-row .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dish-row .rank { color: var(--muted); font-family: var(--mono); margin-right: 8px; width: 20px; display: inline-block; text-align: right; }
.dish-row .qty { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.dish-row .bar {
  height: 5px; border-radius: 3px; background: var(--primary-light);
  position: relative; overflow: hidden; margin-left: 10px; width: 90px; flex-shrink: 0;
}
.dish-row .bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--primary-2), var(--primary-3)); border-radius: 3px; }
.dish-row.slow .bar > i { background: linear-gradient(90deg, var(--accent), #FBBF24); }

/* ---------- 星级 ---------- */
.star-block { text-align: center; padding: 10px 0; }
.star-big { font-size: 42px; font-weight: 800; font-family: var(--mono); color: var(--text); line-height: 1; }
.star-big .s { font-size: 18px; color: var(--muted); }
.star-label { font-size: 12px; color: var(--muted); margin-top: 6px; }
.star-glyph { font-size: 18px; color: var(--accent); letter-spacing: 2px; margin-top: 2px; }

/* ---------- 排名榜 ---------- */
.rank-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border: 1px solid var(--border-soft); border-radius: var(--radius-sm); margin-bottom: 8px;
  background: #fff;
}
.rank-medal {
  width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.rank-medal.gold { background: #FEF3C7; color: #B45309; }
.rank-medal.silver { background: #F1F5F9; color: #64748B; }
.rank-medal.plain { background: var(--primary-light); color: var(--primary); }
.rank-info { flex: 1; min-width: 0; }
.rank-name { font-weight: 600; font-size: 13px; }
.rank-sub { font-size: 11.5px; color: var(--muted); }
.rank-num { font-family: var(--mono); font-size: 16px; font-weight: 700; }
.rank-chg { font-size: 11.5px; }
.rank-chg.up { color: var(--success); }
.rank-chg.down { color: var(--danger); }
.rank-off { color: var(--muted); font-size: 12px; padding: 8px 12px; background: #F8FAFC; border-radius: 8px; }

/* ---------- 加载与空态 ---------- */
.loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 40px; color: var(--muted); }
.spinner { width: 20px; height: 20px; border: 3px solid var(--border); border-top-color: var(--primary-2); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
/* 页面水印（浮层最顶，不拦截点击） */
.watermark {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background-repeat: repeat; background-size: 300px 220px;
}

.empty { text-align: center; padding: 40px 20px; color: var(--muted); font-size: 13px; }
.empty .big { font-size: 34px; margin-bottom: 8px; color: #CBD5E1; }
.empty .big .ico { display: inline-block; width: 34px; height: 34px; vertical-align: middle; }
.empty .big .ico svg { width: 100%; height: 100%; }

/* ---------- 页脚 ---------- */
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px 0 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .col-span-3, .col-span-4 { grid-column: span 2; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .col-span-2, .col-span-3, .col-span-4 { grid-column: span 1; }
  .topbar { margin: 8px 10px 0; padding: 10px 14px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 12px 12px 30px; }
  .chart-lg { height: 280px; }
  .chart-md { height: 260px; }
}
@media (max-width: 480px) {
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .kpi-value { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}