:root {
  --bg: #0f141a;
  --bg-soft: #151c24;
  --card: #1a222c;
  --card-hover: #1f2935;
  --border: #2b3644;
  --text: #e8edf3;
  --muted: #97a5b4;
  --accent: #ffc53d;
  --accent-dim: rgba(255, 197, 61, 0.14);
  --blue: #5ec5ff;
  --blue-dim: rgba(94, 197, 255, 0.13);
  --good: #5fd68f;
  --bad: #ff7a7a;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px 40px;
  background:
    radial-gradient(900px 380px at 50% -80px, rgba(255, 197, 61, 0.08), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.6;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.site-header {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 4px 20px;
}

.site-header h1 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: 1px;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}

.site-header .sub {
  margin: 0 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.card h2 {
  margin: 0 0 14px;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-no {
  color: var(--accent);
  font-size: 15px;
}

/* ---------- 上传区 ---------- */
#dropzone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  outline: none;
}

#dropzone:hover, #dropzone:focus-visible, #dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.drop-main { margin: 0 0 8px; font-size: 15px; }
.drop-main code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: 13px;
}

.hint { margin: 0; color: var(--muted); font-size: 12.5px; }

.parse-result {
  margin-top: 14px;
  font-size: 14px;
}

.parse-error {
  color: var(--bad);
  background: rgba(255, 122, 122, 0.1);
  border: 1px solid rgba(255, 122, 122, 0.35);
  border-radius: 8px;
  padding: 10px 12px;
}

.parse-ok-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 8px;
}

.parse-ok-head .ok-badge { color: var(--good); font-weight: 600; }
.parse-ok-head .file-name { color: var(--muted); font-size: 13px; }

.sheet-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.warnings { margin: 6px 0 0; padding-left: 18px; color: #e5b869; font-size: 13px; }
.warnings li { margin: 2px 0; }

.custom-import {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.custom-import h3 { margin: 0 0 3px; font-size: 14px; }

.custom-form {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px;
  margin-top: 10px;
}

.custom-form label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  color: var(--muted);
  font-size: 12px;
}

.custom-form select {
  min-width: 150px;
  padding: 7px 28px 7px 9px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 7px;
  font: inherit;
}

.primary-btn {
  padding: 7px 14px;
  color: #17130a;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 7px;
  font-weight: 600;
  cursor: pointer;
}

.primary-btn:hover { filter: brightness(1.08); }

.custom-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.custom-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 5px 3px 10px;
  color: var(--text);
  background: var(--blue-dim);
  border: 1px solid rgba(94, 197, 255, 0.3);
  border-radius: 7px;
  font-size: 12px;
}

.remove-custom {
  width: 20px;
  height: 20px;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 17px;
  line-height: 1;
}

.remove-custom:hover { color: var(--bad); background: rgba(255, 122, 122, 0.12); }

/* ---------- 存储状态 ---------- */
.store-status {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 7px;
}

.store-status:empty { display: none; }

.store-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}

.store-status .dot.green { background: var(--good); }
.store-status .dot.amber { background: var(--accent); }
.store-status .dot.red { background: var(--bad); }
.store-status .dot.gray { background: #5a6a7a; }
.store-status .dot.pulse { animation: pulse 1.2s ease-in-out infinite; }

@keyframes pulse { 50% { opacity: 0.35; } }

button.link-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 7px;
  padding: 4px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

button.link-btn:hover { color: var(--text); border-color: var(--accent); }

/* ---------- 结果 ---------- */
.summary { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.summary strong { color: var(--accent); font-size: 16px; }
.summary .cov { margin-left: 12px; }

.best-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}

.best-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s, transform 0.15s;
}

.best-card:hover { border-color: rgba(255, 197, 61, 0.55); transform: translateY(-2px); }

.best-card .row1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.area-badge {
  background: var(--blue-dim);
  color: var(--blue);
  border-radius: 6px;
  padding: 2px 10px;
  font-weight: 600;
  font-size: 14px;
}

.count-badge {
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.chip-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip-label { color: var(--muted); font-size: 12.5px; margin-right: 2px; }

.chip {
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 12.5px;
  border: 1px solid var(--border);
  background: var(--card);
  white-space: nowrap;
}

.chip.main { background: var(--blue-dim); border-color: transparent; color: var(--blue); }

.chip.pick {
  background: var(--accent-dim);
  border-color: rgba(255, 197, 61, 0.5);
  color: var(--accent);
  font-weight: 600;
}

.chip-row .type-note { color: var(--muted); font-size: 12px; }

.missing-toggle {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12.5px;
  cursor: pointer;
  text-align: left;
  padding: 0;
  align-self: flex-start;
}

.missing-toggle:hover { color: var(--accent); }

.missing-box {
  border-top: 1px dashed var(--border);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 260px;
  overflow-y: auto;
}

.missing-box[hidden] { display: none; }

.missing-group { font-size: 12.5px; }
.missing-group .g-main { color: var(--blue); font-weight: 600; margin-right: 6px; }
.missing-group .g-items { color: var(--muted); word-break: break-all; }

/* ---------- 全部方案表 ---------- */
.all-results-box { margin-top: 16px; }
.all-results-box > summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  user-select: none;
}
.all-results-box > summary:hover { color: var(--accent); }

.table-wrap {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
  max-height: 480px;
}

#all-results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 640px;
}

#all-results-table th, #all-results-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

#all-results-table th {
  position: sticky;
  top: 0;
  background: var(--bg-soft);
  color: var(--muted);
  font-weight: 600;
  z-index: 1;
}

#all-results-table td.num, #all-results-table th.num { text-align: right; }
#all-results-table td.num { font-weight: 600; color: var(--accent); }
#all-results-table tbody tr:hover { background: var(--card-hover); }

/* ---------- 地区参考 ---------- */
.ref-box > summary { cursor: pointer; color: var(--muted); user-select: none; }
.ref-box > summary:hover { color: var(--accent); }

.area-reference {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
}

.area-ref-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
}

.area-ref-card h3 {
  margin: 0 0 8px;
  font-size: 14.5px;
  color: var(--blue);
}

.area-ref-card .line { margin: 4px 0; color: var(--muted); }
.area-ref-card .line b { color: var(--text); font-weight: 600; margin-right: 6px; }

/* ---------- 页脚 ---------- */
.site-footer {
  max-width: 1080px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 12.5px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.site-footer .muted { opacity: 0.75; }

.noscript-warn {
  max-width: 1080px;
  margin: 20px auto;
  color: var(--bad);
  text-align: center;
}

@media (max-width: 560px) {
  .site-header { padding-top: 24px; }
  .site-header h1 { font-size: 21px; }
  .card { padding: 14px; }
  .custom-form label, .custom-form select, .primary-btn { width: 100%; }
}