:root {
  --bg: #eef2f6;
  --ink: #0d1b2f;
  --text: #243044;
  --muted: #687386;
  --panel: #ffffff;
  --line: #d7dee9;
  --green: #0f7a3a;
  --green-soft: #eaf7ef;
  --blue: #1d5fd1;
  --blue-soft: #eef5ff;
  --red: #c7352b;
  --red-soft: #fff1ef;
  --amber: #a86500;
  --amber-soft: #fff6df;
  --shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

button, input, select { font: inherit; }

.shell { min-height: 100vh; padding: 18px; }

.workspace {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  gap: 18px;
}

.rail {
  position: sticky;
  top: 18px;
  height: calc(100vh - 36px);
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: #95c7ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

h1, h2, h3, h4, p { margin-top: 0; }

h1 {
  margin-bottom: 14px;
  font-size: 30px;
  line-height: 1.18;
  letter-spacing: 0;
}

h2 { margin-bottom: 6px; font-size: 24px; color: var(--ink); }
h3 { margin: 0 0 5px; font-size: 19px; color: var(--ink); }
h4 { margin: 0 0 12px; font-size: 15px; color: var(--ink); }

.rail-copy {
  color: #ccd7e8;
  line-height: 1.75;
}

.privacy {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255,255,255,.06);
  line-height: 1.65;
}

.privacy b { display: block; margin-bottom: 5px; }
.privacy span { color: #ccd7e8; font-size: 13px; }

.main { min-width: 0; display: grid; gap: 16px; }

.top, .upload-panel, .board {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.top {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top p, .board-head p, .card-desc, #statusText {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.upload-panel { padding: 18px; }

.upload-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.drop-card {
  display: grid;
  gap: 10px;
  min-height: 176px;
  padding: 18px;
  border: 1.5px dashed #aab5c4;
  border-radius: 8px;
  background: #fbfcfe;
  cursor: pointer;
}

.drop-card.drag {
  border-color: var(--green);
  background: var(--green-soft);
}

.drop-card input { display: none; }
.card-title { color: var(--ink); font-size: 18px; font-weight: 800; }
.card-desc { font-size: 13px; }
.drop-card strong {
  align-self: end;
  color: var(--blue);
  word-break: break-all;
  font-size: 13px;
}

.actions {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

button, .downloads a {
  border: 0;
  border-radius: 6px;
  min-height: 42px;
  padding: 10px 16px;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover, .downloads a:hover { background: #0b6230; }
button:disabled { opacity: .6; cursor: wait; }

.ghost { background: #edf1f7; color: var(--text); }
.ghost:hover { background: #e1e7f0; }

.progress {
  margin-top: 14px;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6ebf2;
}

.progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--green);
  transition: width .2s ease;
}

.result { display: grid; gap: 16px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  min-height: 110px;
}

.kpi b {
  display: block;
  color: var(--ink);
  font-size: 28px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.kpi span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

.kpi.good { border-top: 3px solid var(--green); }
.kpi.warn { border-top: 3px solid var(--amber); }
.kpi.bad { border-top: 3px solid var(--red); }
.kpi.blue { border-top: 3px solid var(--blue); }

.board { overflow: hidden; }

.board-head {
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.downloads { display: flex; gap: 10px; flex-wrap: wrap; }
.downloads a:nth-child(2) { background: var(--blue); }
.downloads a:nth-child(2):hover { background: #164da8; }

.insight-grid {
  padding: 16px 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.module {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  padding: 14px;
  min-height: 210px;
}

.bar-line {
  display: grid;
  grid-template-columns: 100px 1fr 86px;
  gap: 10px;
  align-items: center;
  margin: 9px 0;
  font-size: 12px;
}

.track {
  height: 12px;
  border-radius: 999px;
  background: #e7ecf4;
  overflow: hidden;
}

.fill { height: 100%; background: var(--green); }
.bar-line.warn .fill { background: var(--amber); }
.bar-line.bad .fill { background: var(--red); }
.bar-line.blue .fill { background: var(--blue); }
.bar-value { text-align: right; font-weight: 800; color: var(--ink); font-variant-numeric: tabular-nums; }

.audit-box {
  display: grid;
  gap: 10px;
  color: var(--muted);
  line-height: 1.6;
}

.audit-box b { color: var(--ink); }

.filters {
  padding: 16px 18px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filters input, .filters select {
  height: 36px;
  border: 1px solid #cbd3df;
  border-radius: 6px;
  background: #fff;
  padding: 0 10px;
  color: var(--ink);
  min-width: 132px;
}

.filters input { min-width: 190px; }

.table-wrap {
  margin: 14px 18px 18px;
  max-height: 620px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td {
  padding: 8px 10px;
  border-bottom: 1px solid #edf1f6;
  text-align: left;
  white-space: nowrap;
}
th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f7f9fc;
  color: #4b5567;
  cursor: pointer;
}
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: #f6faff; }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 12px;
  background: var(--blue-soft);
  color: var(--blue);
}
.tag.good { background: var(--green-soft); color: var(--green); }
.tag.warn { background: var(--amber-soft); color: var(--amber); }
.tag.bad { background: var(--red-soft); color: var(--red); }

@media (max-width: 1180px) {
  .workspace { grid-template-columns: 1fr; }
  .rail { position: relative; top: 0; height: auto; }
  .kpi-grid, .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .shell { padding: 10px; }
  .upload-grid, .kpi-grid, .insight-grid { grid-template-columns: 1fr; }
  .top, .board-head { align-items: flex-start; flex-direction: column; }
  h1 { font-size: 25px; }
}