:root {
  --brand-900: #0a5b45;
  --brand-800: #0c7f5f;
  --brand-700: #13906c;
  --ink-950: #143532;
  --ink-800: #2a5550;
  --ink-700: #4d6f6b;
  --surface: #ffffff;
  --surface-100: #f4f8f6;
  --surface-200: #f7fbf9;
  --surface-300: #dcece5;
  --accent-500: #f19a2a;
  --danger-600: #8e2f2f;
  --success-600: #1f7a54;
  --shadow: 0 20px 46px rgba(10, 91, 69, 0.14);
  --radius: 12px;
  --font-xs: 0.74rem;
  --font-sm: 0.82rem;
  --font-base: 0.9rem;
  --font-lg: 0.98rem;
  --font-xl: 1.1rem;
  --font-2xl: clamp(1.1rem, 2.2vw, 1.9rem);
  --space-1: 4px;
  --space-2: 6px;
  --space-3: 10px;
  --space-4: 12px;
  --space-5: 14px;
  --space-6: 16px;
  --space-7: 18px;
  --space-8: 20px;
  --space-9: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink-950);
  background:
    radial-gradient(circle at top right, rgba(19, 144, 108, 0.23), transparent 32%),
    radial-gradient(circle at bottom left, rgba(241, 154, 42, 0.14), transparent 34%),
    linear-gradient(135deg, #eff8f4 0%, #f7fbf9 48%, #f2f8f6 100%);
}

.site-header {
  background: linear-gradient(90deg, var(--brand-900), var(--brand-800));
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.header-inner {
  width: min(1300px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo-wrap {
  display: inline-flex;
  align-items: center;
}

.logo {
  height: 46px;
  width: auto;
}

.page-title {
  margin: 0;
  font-size: var(--font-2xl);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  text-align: right;
}

.container {
  width: min(1300px, calc(100% - 32px));
  margin: 24px auto;
  display: grid;
  gap: 20px;
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.info-card,
.panel {
  background: var(--surface);
  border: 1px solid var(--surface-300);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-card {
  padding: 18px 22px;
}

.info-card h2 {
  margin: 0 0 10px;
  color: var(--brand-900);
  font-size: var(--font-xl);
}

.info-card ol {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-800);
  display: grid;
  gap: 6px;
}

.panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--surface-300);
}

.panel-header h3 {
  margin: 0;
  color: var(--ink-800);
  font-size: var(--font-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.panel-body {
  padding: 16px 18px 20px;
}

.upload-grid,
.field-group {
  display: grid;
  gap: 16px;
}

.upload-grid {
  grid-template-columns: 1fr 1fr;
}

.sheet-card {
  padding: 14px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(12, 127, 95, 0.05), rgba(255, 255, 255, 0.8));
  border: 1px solid rgba(12, 127, 95, 0.14);
}

.sheet-card h4 {
  margin: 0 0 12px;
  color: var(--brand-900);
  font-size: 1rem;
}

.sheet-meta {
  margin: 12px 0 0;
  color: var(--ink-700);
  font-size: var(--font-sm);
}

.label {
  display: block;
  margin-bottom: 7px;
  font-size: var(--font-sm);
  color: var(--ink-700);
  font-weight: 700;
  text-transform: uppercase;
}

input[type="file"],
select,
input[type="text"],
textarea {
  width: 100%;
  border: 1.5px solid #bdd5cb;
  border-radius: 9px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink-950);
  font: inherit;
}

select:disabled,
input:disabled,
button:disabled {
  opacity: 0.6;
}

select:focus,
input:focus,
button:focus {
  outline: 3px solid rgba(19, 144, 108, 0.16);
  outline-offset: 1px;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand-900);
  color: #fff;
}

.btn-secondary {
  background: var(--brand-700);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--brand-900);
  border: 1.4px solid var(--brand-900);
}

.status-box {
  margin-top: 14px;
  border-radius: 9px;
  padding: 10px 12px;
  font-size: var(--font-base);
}

.status-box.neutral {
  background: var(--surface-100);
  color: var(--ink-800);
}

.status-box.success {
  background: #ddf8ea;
  color: var(--success-600);
}

.status-box.error {
  background: #fee8e8;
  color: var(--danger-600);
}

.kpis {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.kpi-item {
  background: var(--surface-200);
  border: 1px solid var(--surface-300);
  border-radius: 9px;
  padding: 10px;
}

.kpi-label {
  display: block;
  font-size: var(--font-xs);
  color: var(--ink-700);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.kpi-item strong {
  font-size: 1.02rem;
  color: var(--ink-950);
}

.divider {
  height: 1px;
  margin: 18px 0;
  background: linear-gradient(90deg, transparent, var(--surface-300), transparent);
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.choice-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--surface-300);
  background: var(--surface-200);
  cursor: pointer;
}

.choice-card input {
  width: auto;
  margin: 0;
}

.choice-card strong,
.choice-card small {
  display: block;
}

.choice-card small {
  color: var(--ink-700);
  margin-top: 2px;
}

.disabled-block {
  opacity: 0.7;
}

.selection-header,
.selection-actions,
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.selection-header {
  margin-bottom: 12px;
}

.columns-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 14px;
  border-radius: 10px;
  border: 1px dashed rgba(10, 91, 69, 0.25);
  background: rgba(244, 248, 246, 0.8);
}

.columns-picker.empty-state {
  color: var(--ink-700);
  font-size: var(--font-base);
}

.column-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px;
  border-radius: 9px;
  background: #fff;
  border: 1px solid var(--surface-300);
}

.column-option input {
  width: auto;
  margin-top: 3px;
}

.column-option span {
  font-size: var(--font-base);
}

.action-row {
  margin-top: 18px;
  justify-content: flex-end;
}

.results-panel {
  overflow: hidden;
}

.preview-intro p {
  margin: 0;
  color: var(--ink-800);
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  border-bottom: 1px solid var(--surface-300);
  padding: 11px 12px;
  text-align: left;
  font-size: var(--font-base);
  vertical-align: top;
}

th {
  color: var(--ink-800);
  background: #f4faf7;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  position: sticky;
  top: 0;
}

.empty-cell {
  text-align: center;
  color: var(--ink-700);
  padding: 24px;
}

.muted-note {
  color: var(--ink-700);
  font-size: var(--font-xs);
}

@media (max-width: 980px) {

  .main-grid,
  .upload-grid,
  .field-group,
  .choice-grid,
  .columns-picker,
  .kpis {
    grid-template-columns: 1fr;
  }

  .header-inner,
  .selection-header,
  .selection-actions,
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-title {
    text-align: left;
  }
}