:root {
  --bg: #f4f1ea;
  --paper: #fffdf8;
  --ink: #1c1915;
  --muted: #6b645a;
  --line: #e4ddd2;
  --accent: #1f4e3d;
  --accent-hover: #16382c;
  --warn: #8a3b12;
  --warn-bg: #fcefe6;
  --ok: #1f4e3d;
  --override: #5b4a16;
  --control-h: 38px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 15px/1.4 "Segoe UI", system-ui, sans-serif;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}

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

.source {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.source select {
  height: var(--control-h);
  min-width: 8rem;
  padding: 0 2rem 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b645a' d='M1.2 1.2 6 6l4.8-4.8'/%3E%3C/svg%3E")
    no-repeat right 10px center;
  color: var(--ink);
  font: 15px/1.4 "Segoe UI", system-ui, sans-serif;
  text-transform: none;
  letter-spacing: 0;
  appearance: none;
}

.source select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 650;
}

h2 {
  margin: 0 0 4px;
  font-size: 0.95rem;
}

.sub,
.hint {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 20px;
}

.dropzone {
  border: 1.5px dashed #c4bbae;
  background: var(--paper);
  border-radius: 10px;
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
}

.dropzone:hover,
.dropzone:focus,
.dropzone.dragover {
  border-color: var(--accent);
  outline: none;
  background: #f7faf7;
}

.drop-title {
  margin: 0;
  font-weight: 650;
}

.drop-hint {
  margin: 6px 0 0;
  color: var(--muted);
}

.status {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--warn-bg);
  color: var(--warn);
}

.status.ok {
  background: #e7f2ec;
  color: var(--ok);
}

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.85rem;
}

.chip.warn {
  background: var(--warn-bg);
  border-color: #efd3c0;
  color: var(--warn);
}

.fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 720px) {
  .fields {
    grid-template-columns: 1fr;
  }
}

.fields label {
  display: grid;
  gap: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.fields input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.4 "Segoe UI", system-ui, sans-serif;
  text-transform: none;
  letter-spacing: 0;
}

.fields input.invalid {
  border-color: #c24a1a;
}

.table-wrap {
  overflow: auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  background: #faf7f1;
  position: sticky;
  top: 0;
}

tr:last-child td {
  border-bottom: 0;
}

td.num {
  font-variant-numeric: tabular-nums;
}

input.bbd {
  width: 11.5rem;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input.bbd.invalid {
  border-color: #c24a1a;
}

.btn {
  border: 0;
  border-radius: 8px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.top-actions .btn {
  height: var(--control-h);
  padding: 0 14px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn.ghost {
  background: transparent;
  color: var(--muted);
  padding: 6px 8px;
  font-weight: 600;
  font-size: 0.8rem;
}

.btn.ghost:hover:not(:disabled) {
  color: var(--ink);
}

.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 650;
  color: var(--override);
  background: #f4ead0;
}