/* Thème via attributs sur <html> */
:root {
  --bg: #f3f4f6;        /* gris clair */
  --card: #ffffff;
  --text: #111827;      /* écriture très lisible */
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.14);

  --primary: #2563eb;  /* bleu */
  --primary-ink: #ffffff;

  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);

  --focus: rgba(37, 99, 235, 0.35);

  --radius: 14px;
  --gap: 14px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

html[data-theme="dark"] {
  --bg: #0f172a;        /* gris foncé */
  --card: #111c35;
  --text: #e5e7eb;     /* écriture très lisible */
  --muted: #a1a1aa;
  --border: rgba(229, 231, 235, 0.16);

  --primary: #60a5fa;  /* bleu plus clair en dark */
  --primary-ink: #07121f;

  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);

  --focus: rgba(96, 165, 250, 0.35);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.header {
  display: flex;
  gap: 18px;
  align-items: flex-end;
  justify-content: space-between;
  padding: 22px 0 14px;
}

.logo{
  width: 70px;
  height: auto;
  border-radius: 90px;
  display: grid;
  place-items: center;
  display: block;
}

.theme {
  display: grid;
  gap: 8px;
  justify-items: end;
}

.label {
  font-size: 12px;
  color: var(--muted);
}

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

.card-title {
  margin: 0 0 14px;
  font-size: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.field.span2 {
  grid-column: 1 / -1;
}

.actions.span2 {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  align-items: center;
}

.field .hint {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.input, .select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  outline: none;
  font-size: 14px;
}

.input {
  font-family: var(--mono); /* écriture visible et conventionnelle */
}

.select {
  font-family: var(--sans);
  appearance: none;
}

.input:focus, .select:focus {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 4px var(--focus);
}

.checkboxRow {
  display: flex;
  gap: 10px;
  align-items: center;
  user-select: none;
}

.checkboxRow input {
  width: 18px;
  height: 18px;
}

.tvaRow {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}

.btn {
  border: 1px solid transparent;
  background: var(--primary);
  color: var(--primary-ink);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 4px var(--focus);
}

.results {
  display: grid;
  gap: 10px;
}

.resultRow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.k {
  color: var(--muted);
  font-size: 13px;
}

.v {
  font-family: var(--mono);
  font-size: 16px;
  text-align: right;
}

.resultRow.total .v {
  font-size: 20px;
  font-weight: 800;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.detail {
  max-width: 62ch;
  color: var(--text);
  font-size: 13px;
  line-height: 1.3;
  white-space: pre-wrap;
}

.micro {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.footer {
  padding: 22px 0 30px;
  color: var(--muted);
  font-size: 12px;
  display: flex;
  justify-content: center;
}

/* Mobile: une colonne */
@media (max-width: 720px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
  .theme {
    width: 100%;
    justify-items: start;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .field.span2, .actions.span2 {
    grid-column: auto;
  }
  .tvaRow {
    grid-template-columns: 1fr;
  }
}
