:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --ink: #17231d;
  --muted: #66736b;
  --line: #dce3da;
  --panel: #ffffff;
  --accent: #1f7a4d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.page-header {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 10px;
  font-size: 2rem;
  line-height: 1.15;
}

p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
  margin-bottom: 16px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.file-label,
button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 10px 12px;
}

.file-label {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.file-label input {
  display: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

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

.metric .label {
  color: var(--muted);
  font-size: 0.82rem;
}

.metric .value {
  margin-top: 6px;
  font-size: 1.45rem;
  font-weight: 800;
}

h2 {
  margin: 0 0 12px;
  font-size: 1rem;
}

h3 {
  margin: 18px 0 10px;
  font-size: 0.95rem;
}

h4 {
  margin: 14px 0 8px;
  font-size: 0.86rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

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

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.diagnostic-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.warning {
  color: #a05a00;
}

.error {
  color: #b42318;
}

.reconciliation-warning td {
  background: #fff8e6;
}

.reconciliation-major td {
  background: #fff0ec;
  color: #8f1d12;
}

.reconciliation-missing td {
  background: #f3f6f1;
  color: var(--muted);
}

.reconciliation-meta {
  margin-bottom: 14px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.result-table td:last-child,
.result-table th:last-child {
  text-align: right;
}

.simulation-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.simulation-form label {
  color: var(--muted);
  display: grid;
  font-size: 0.82rem;
  font-weight: 700;
  gap: 6px;
}

.simulation-form input,
.simulation-form select {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  padding: 9px 10px;
}

.simulation-form button {
  align-self: end;
}

.audit-block {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 14px;
}

.audit-block:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.formula-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.formula-list li {
  margin-bottom: 4px;
}

.whatsapp-box {
  background: #f3f6f1;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
  overflow-x: auto;
  padding: 14px;
  white-space: pre-wrap;
}