:root {
  --bg: #0e131a;
  --panel: #151c26;
  --panel-2: #1b2431;
  --line: #273244;
  --text: #e8edf4;
  --muted: #93a3b8;
  --accent: #6ea8ff;
  --accent-ink: #0b1524;
  --good: #4cc38a;
  --warn-bg: #2a2410;
  --warn-ink: #e8c96a;
  --bad: #ef7070;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background:
    radial-gradient(1200px 500px at 70% -10%, #16233a 0%, transparent 60%),
    radial-gradient(900px 400px at -10% 30%, #12202e 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
header { padding: 34px 0 8px; }
.brand { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; }
.pill {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--accent); color: var(--accent-ink);
  border-radius: 999px; padding: 3px 10px; vertical-align: 3px; margin-left: 8px;
}
.lede { color: var(--muted); max-width: 76ch; margin: 10px 0 0; }
.lede strong { color: var(--text); }

main { padding: 18px 20px 40px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px; margin-top: 16px;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
code { background: var(--panel-2); border-radius: 5px; padding: 1px 6px; font-size: 12.5px; }
h2 { font-size: 16px; margin: 0 0 6px; }

.boot { display: flex; gap: 14px; align-items: center; }
.spinner {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  border: 3px solid var(--line); border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.controls { display: grid; grid-template-columns: 1fr 300px; gap: 16px; margin-top: 16px; }
.controls .card { margin-top: 0; }
.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; min-height: 150px; cursor: pointer;
  border: 1.5px dashed #35455d; transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--panel-2); }
.dz-big { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.side { display: flex; flex-direction: column; gap: 10px; }

.btn {
  appearance: none; border: 1px solid var(--line); border-radius: 9px;
  background: var(--panel-2); color: var(--text); font: inherit; font-weight: 600;
  padding: 10px 14px; cursor: pointer; transition: filter 0.15s, transform 0.05s;
}
.btn:hover { filter: brightness(1.15); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:disabled { opacity: 0.45; cursor: default; }

.panel-head { margin-bottom: 10px; }
textarea {
  width: 100%; resize: vertical; background: #0c1118; color: #d7e3f3;
  border: 1px solid var(--line); border-radius: 9px; padding: 12px;
  font: 12.5px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.row-inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
#ratesMsg.ok { color: var(--good); }
#ratesMsg.err { color: var(--bad); }

.summary {
  margin-top: 16px; display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 18px;
}
#summaryText { font-weight: 600; }
#summaryText .bad { color: var(--bad); }

.tabs { display: flex; gap: 6px; margin-top: 20px; }
.tab {
  appearance: none; border: 1px solid var(--line); border-bottom: none;
  border-radius: 9px 9px 0 0; background: transparent; color: var(--muted);
  font: inherit; font-weight: 600; padding: 8px 16px; cursor: pointer;
}
.tab.active { background: var(--panel); color: var(--text); }
.tab .badge {
  background: var(--bad); color: #fff; border-radius: 999px;
  font-size: 11px; padding: 1px 7px; margin-left: 6px;
}
.pane { margin-top: 0; border-top-left-radius: 0; }

.scroll-x { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td.wrap-cell, th.wrap-cell { white-space: normal; min-width: 320px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.warn td { background: var(--warn-bg); }
tr.warn td:first-child { box-shadow: inset 3px 0 0 var(--warn-ink); }
.mode {
  display: inline-block; border-radius: 999px; padding: 1px 10px; font-size: 12px; font-weight: 600;
}
.mode.floor { background: #223047; color: #9fc1f5; }
.mode.pallet { background: #1d3a2c; color: #79d9a8; }
.warn-note { color: var(--warn-ink); }
ul.errlist { margin: 4px 0; padding-left: 18px; }
ul.errlist li { white-space: normal; }

.note p { color: var(--muted); margin: 6px 0 0; max-width: 90ch; }
.note strong { color: var(--text); }
footer { padding: 10px 20px 34px; }

@media (max-width: 820px) {
  .controls { grid-template-columns: 1fr; }
  .summary { flex-direction: column; align-items: flex-start; }
}