:root {
  color-scheme: light;
  --ink: #17202b;
  --muted: #667085;
  --line: #e7e9ee;
  --soft: #f6f7f9;
  --paper: #ffffff;
  --navy: #102a43;
  --blue: #2563eb;
  --plan-blue: #6f83a3;
  --actual-pink: #d8adb5;
  --actual-pink-line: #c58592;
  --comparison-gray: #b7bec8;
  --cyan: #0ea5a8;
  --red: #c43d3d;
  --red-soft: #fff0f0;
  --amber: #a56300;
  --amber-soft: #fff7e6;
  --green: #167a55;
  --green-soft: #eaf8f2;
  --shadow: 0 12px 34px rgba(16, 42, 67, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #f2f4f7;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 14px;
}

button, input, select { font: inherit; }
.standalone .server-only { display: none !important; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px max(28px, calc((100vw - 1440px) / 2));
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 25px; letter-spacing: -0.03em; }
h2 { margin: 0; font-size: 20px; }
h3 { margin: 0; font-size: 15px; }

.upload-group { display: flex; align-items: center; gap: 14px; }
.source-meta { color: var(--muted); font-size: 12px; text-align: right; line-height: 1.5; }
.upload-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid #c8d7eb;
  background: #eaf2fb;
  color: #294d78;
  cursor: pointer;
  font-weight: 600;
}
.upload-button:hover,
.upload-button.secondary:hover,
.export-button:hover { background: #dce9f8; color: #1f436f; }
.upload-button.secondary,
.export-button { border: 1px solid #c8d7eb; background: #eaf2fb; color: #294d78; }
.export-button:disabled { cursor: wait; opacity: 0.68; }

.export-filter-value {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid #d5d9e0;
  border-radius: 7px;
  background: #f8fafc;
  color: var(--ink);
  font-size: 12px;
}

main {
  width: min(1440px, calc(100% - 48px));
  margin: 24px auto 56px;
}

.message, .freshness {
  margin-bottom: 16px;
  padding: 13px 16px;
  border-radius: 8px;
}
.message { background: var(--red-soft); color: var(--red); border: 1px solid #f3caca; }
.freshness.ok { background: var(--green-soft); color: var(--green); }
.freshness.stale, .freshness.future { background: var(--amber-soft); color: var(--amber); }

.module {
  margin-top: 18px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.module-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 18px;
}
.module-heading > div:first-child { display: flex; align-items: center; gap: 10px; }
.section-number { color: var(--blue); font-weight: 700; font-size: 12px; letter-spacing: 0.08em; }
.section-note { margin: 0; color: var(--muted); font-size: 12px; }
.trend-controls { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px 12px; }
.trend-controls label { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }

.risk-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.risk-diagnosis-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-top: 3px solid #98a2b3;
  border-radius: 10px;
  background: #fff;
}
.risk-diagnosis-card.high { border-top-color: var(--red); background: linear-gradient(180deg, var(--red-soft), #fff 58%); }
.risk-diagnosis-card.medium { border-top-color: var(--amber); background: linear-gradient(180deg, var(--amber-soft), #fff 58%); }
.risk-diagnosis-card.normal { border-top-color: var(--green); }
.risk-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.risk-card-top h3 { font-size: 18px; }
.risk-card-headline { min-height: 48px; color: var(--ink); font-size: 16px; font-weight: 700; line-height: 1.5; }
.risk-card-detail { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 8px; margin-top: 10px; line-height: 1.45; }
.risk-card-detail span, .risk-card-secondary span { color: var(--muted); font-size: 12px; }
.risk-card-detail strong { font-size: 13px; font-weight: 600; }
.risk-card-detail strong.bad { color: var(--red); }
.risk-card-detail strong.better { color: var(--green); }
.risk-card-detail strong.neutral { color: var(--muted); }
.risk-card-secondary { margin-top: 12px; padding-top: 10px; border-top: 1px solid rgba(52,64,84,.09); color: #475467; font-size: 12px; line-height: 1.6; }
.risk-card-secondary span { display: block; margin-bottom: 2px; }
.risk-card-muted { color: var(--muted); font-size: 12px; }
.risk-matrix-header,
.risk-matrix-row { display: grid; grid-template-columns: 145px repeat(3, minmax(0, 1fr)); }
.risk-matrix-header { color: var(--muted); background: #f7f9fc; font-size: 12px; font-weight: 700; }
.risk-matrix-header span { padding: 9px 12px; border-right: 1px solid var(--line); }
.risk-matrix-row { border-top: 1px solid var(--line); }
.risk-matrix-group { display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 12px; border-right: 1px solid var(--line); background: #fff; }
.risk-label { width: fit-content; font-size: 11px; font-weight: 700; }
.risk-label.high { color: var(--red); }
.risk-label.medium { color: var(--amber); }
.risk-matrix-cell { display: grid; align-content: center; gap: 7px; min-height: 76px; padding: 10px; border-right: 1px solid var(--line); }
.risk-matrix-cell.high { background: var(--red-soft); }
.risk-matrix-cell.medium { background: var(--amber-soft); }
.risk-matrix-cell.normal { background: #fafbfc; }
.risk-cell-line { display: grid; grid-template-columns: max-content minmax(0, 1fr); align-items: center; gap: 2px 7px; }
.risk-cell-line + .risk-cell-line { padding-top: 7px; border-top: 1px solid rgba(52, 64, 84, 0.08); }
.risk-data-tag {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid rgba(41, 77, 120, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #294d78;
  font-size: 12px;
  font-weight: 700;
}
.risk-cell-line .risk-data-tag { grid-row: 1 / span 2; }
.risk-channel { color: #344054; font-size: 11px; font-weight: 600; line-height: 1.25; }
.risk-trend { grid-column: 2; width: fit-content; padding: 1px 5px; border-radius: 999px; font-size: 10px; white-space: nowrap; }
.risk-trend.bad { color: #a23a3a; background: rgba(255,255,255,.72); }
.risk-trend.better { color: #35745b; background: rgba(255,255,255,.72); }
.risk-cell-empty { color: #b3bac5; text-align: center; }
.empty-state { color: var(--muted); padding: 14px 0; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(140px, 1fr));
  gap: 12px;
}
.kpi-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #fff 0%, #fafbfc 100%);
}
.kpi-label { color: var(--muted); font-size: 12px; }
.kpi-value { margin: 8px 0 12px; font-size: 25px; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.comparison { display: grid; gap: 5px; font-size: 12px; }
.comparison-line { display: flex; justify-content: space-between; gap: 10px; }
.delta.good { color: var(--green); }
.delta.bad { color: var(--red); }
.delta.neutral { color: var(--muted); }

.plan-bucket-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.plan-bucket-card { padding: 12px 14px; border-radius: 9px; background: #f7f9fc; border: 1px solid var(--line); }
.plan-bucket-title { font-weight: 700; margin-bottom: 7px; }
.plan-bucket-detail { color: var(--muted); font-size: 12px; line-height: 1.65; }

.trend-signals {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}
.signal-card {
  padding: 12px 14px;
  border-left: 3px solid #98a2b3;
  background: var(--soft);
}
.signal-card.good { border-left-color: var(--green); background: var(--green-soft); }
.signal-card.watch { border-left-color: #e69a16; background: var(--amber-soft); }
.signal-card.bad { border-left-color: var(--red); background: var(--red-soft); }
.signal-label { color: var(--muted); font-size: 12px; }
.signal-value { margin-top: 5px; font-weight: 700; }
.signal-detail { margin-top: 3px; color: var(--muted); font-size: 12px; }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.chart-panel { min-width: 0; padding-top: 4px; }
.chart-heading { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; margin-bottom: 8px; }
.chart-heading span { color: var(--muted); font-size: 12px; }
.chart { width: 100%; min-height: 245px; }
.chart svg { display: block; width: 100%; height: 245px; overflow: visible; }
.chart .grid-line { stroke: #e9edf2; stroke-width: 1; }
.chart .axis-label { fill: var(--muted); font-size: 11px; }
.chart .point-label { fill: var(--ink); font-size: 10px; font-weight: 600; }
.chart .current-line { fill: none; stroke: var(--actual-pink-line); stroke-width: 2.5; }
.chart .current-bar { fill: var(--actual-pink); }
.chart .role-bar { fill: var(--actual-pink); }
.chart .previous-line { fill: none; stroke: var(--comparison-gray); stroke-width: 2; stroke-dasharray: 5 5; }
.chart .previous-secondary-line { fill: none; stroke: var(--comparison-gray); stroke-width: 2; stroke-dasharray: 5 5; }
.chart .secondary-line { fill: none; stroke: var(--actual-pink-line); stroke-width: 2.5; }
.chart .point { stroke: white; stroke-width: 2; }
.chart .current-point { fill: var(--actual-pink-line); }
.chart .secondary-point { fill: var(--actual-pink-line); }
.chart .previous-point { fill: var(--comparison-gray); }
.chart .previous-secondary-point { fill: var(--comparison-gray); }
.chart .plan-line { fill: none; stroke: var(--plan-blue); stroke-width: 2; stroke-dasharray: 3 4; }
.chart .plan-point { fill: var(--plan-blue); }
.chart .plan-secondary-line { fill: none; stroke: var(--plan-blue); stroke-width: 2; stroke-dasharray: 7 4; }
.chart .plan-secondary-point { fill: var(--plan-blue); }
.chart .target-marker { fill: white; stroke: var(--plan-blue); stroke-width: 1.5; }
.chart-legend { display: flex; gap: 18px; margin-top: 6px; color: var(--muted); font-size: 12px; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-line { width: 18px; height: 3px; background: var(--actual-pink); }
.legend-line.previous { background: repeating-linear-gradient(90deg, var(--comparison-gray) 0 5px, transparent 5px 8px); }
.legend-line.secondary { background: var(--actual-pink); }
.legend-line.plan { background: repeating-linear-gradient(90deg, #a56300 0 3px, transparent 3px 7px); }
.legend-line.target { width: 5px; height: 5px; border: 1.5px solid var(--plan-blue); border-radius: 50%; background: white; }

.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.platform-panel { min-width: 0; overflow-x: auto; border-top: 3px solid var(--blue); padding: 16px 0 0; }
.platform-panel.android { border-top-color: var(--cyan); }
.platform-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.platform-subtitle { color: var(--muted); font-size: 12px; }
.platform-table { width: 100%; border-collapse: collapse; }
.platform-table th, .platform-table td { padding: 9px 8px; border-bottom: 1px solid var(--line); text-align: right; }
.platform-table th:first-child, .platform-table td:first-child { text-align: left; }
.platform-table th { color: var(--muted); font-size: 12px; font-weight: 500; }

.channel-heading { align-items: center; }
.channel-controls { display: flex; gap: 12px; }
.channel-controls label { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
select { min-height: 36px; padding: 0 28px 0 10px; border: 1px solid #d5d9e0; border-radius: 7px; background: white; color: var(--ink); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { padding: 11px 10px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: 12px; font-weight: 600; background: #fafbfc; }
td.number, th.number { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: #f8fafc; }
.risk-chip { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: 999px; font-size: 12px; }
.risk-chip.high { color: var(--red); background: var(--red-soft); }
.risk-chip.medium { color: var(--amber); background: var(--amber-soft); }
.risk-chip.normal { color: var(--green); background: var(--green-soft); }

.loading {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--navy);
}
.loading[hidden] { display: none; }
.spinner { width: 26px; height: 26px; border: 3px solid #d9e2ec; border-top-color: var(--blue); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(3, minmax(150px, 1fr)); }
  .trend-signals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .risk-matrix-header,
  .risk-matrix-row { grid-template-columns: 130px repeat(3, minmax(0, 1fr)); }
  .risk-list { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .topbar { position: static; align-items: flex-start; padding: 16px; }
  .upload-group { flex-direction: column; align-items: flex-end; }
  main { width: calc(100% - 24px); margin-top: 12px; }
  .module { padding: 16px; }
  .module-heading, .channel-heading { align-items: flex-start; flex-direction: column; }
  .trend-controls { width: 100%; justify-content: space-between; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trend-signals { grid-template-columns: 1fr; }
  .chart-grid, .platform-grid, .plan-bucket-grid { grid-template-columns: 1fr; }
  .risk-matrix-header,
  .risk-matrix-row { grid-template-columns: 120px repeat(3, minmax(200px, 1fr)); }
  .chart svg { height: 220px; }
}

@media (max-width: 430px) {
  .topbar { flex-direction: column; }
  .upload-group { width: 100%; align-items: stretch; }
  .source-meta { text-align: left; }
  .kpi-grid { grid-template-columns: 1fr; }
  .channel-controls { width: 100%; flex-wrap: wrap; }
}