* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  min-height: 100vh; /* s’adapte à la taille écran */
  font-family: var(--font-family), monospace;



  background-image:
    linear-gradient(var(--line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-color) 1px, transparent 1px);
  background-size: 35px 35px;
  animation: drift 25s linear infinite;
  
  @keyframes drift {
    from { background-position: 0 0; }
    to   { background-position: 100px 100px; }
  }

}
main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page {
  max-width: 1200px;
  margin: 32px auto 48px;
  padding: 0 16px;
}

.page-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-title {
  font-size: 2rem;
  margin: 0;
}

.page-subtitle {
  margin: 0;
  color: var(--muted-text);
}

h1, h2, h3, h4 {
  color: var(--text-color);
}

h3, h4,
p {
  margin: 0;
}

.panel {
  border: var(--border-color);
  border-radius: 12px;
  box-shadow: var(--box-shadow);
  padding: 20px;
  background: var(--panel-color);
}

.section-title {
  margin: 0 0 12px;
  color: var(--text-color);
}

.matrix-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel-color);

  border-radius: 12px;
  box-shadow: var(--box-shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3 {
  font-size: 1.15rem;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.field span {
  font-size: 0.9rem;
  color: var(--muted-text);
}

input[type="number"],
input[type="text"],
select,
textarea {
  font-family: var(--font-family);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--input-bg);
  color: var(--text-color);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--btn-color);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

button {
  font-family: var(--font-family);
  padding: 10px 16px;
  background-color: var(--text-color);
  color: var(--bg-color);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

button:hover {
  background-color: var(--btn-color);
  color: var(--text-color);
}

button:active {
  transform: translateY(1px);
}

button.primary {
  background-color: var(--btn-color);
  color: var(--text-color);
}

button.primary:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

button.ghost {
  background-color: var(--btn-color);
  color: var(--text-color);
  border: 1px solid var(--input-border);
}

button.ghost:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.text-mode {
  padding: 10px;
  border: 1px solid var(--soft-border);
  border-radius: 10px;
  background: var(--input-alt-bg);
  gap: 8px;
  flex-direction: column;
}

.text-mode textarea {
  width: 100%;
  resize: vertical;
}

.matrix-table {
  border-collapse: collapse;
  margin-top: 8px;
  width: 100%;
}

.matrix-table td {
  padding: 4px;
}

.matrix-table input[type="text"],
.matrix-table input[type="number"] {
  width: 60px;
  height: 38px;
  text-align: center;
}

.fonction {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fonction-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.choice {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--input-alt-bg);
  border: 1px solid var(--soft-border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--muted-text);
}

.choice p {
  font-weight: 600;
}

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

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.action-pair {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--input-alt-bg);
  border: 1px solid var(--soft-border);
  border-radius: 10px;
}

.action-pair input[type="number"] {
  width: 80px;
  padding: 8px 10px;
  text-align: center;
}

.custom-op {
  background: var(--input-alt-bg);
  border: 1px solid var(--soft-border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.custom-op__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted-text);
}

.custom-op__header h4 {
  margin: 0;
  color: var(--text-color);
}

.custom-op__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.custom-op__controls input[type="text"] {
  flex: 1;
  min-width: 220px;
}

.resultat {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.resultat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

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

.resultat-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-item{
  color: var(--text-color);
}

.resultat-list > div {
  padding: 12px;
  margin: 0;
  border-radius: 10px;
  border: 1px solid var(--soft-border);
}

.resultat-list > div:nth-child(odd) {
  background-color: var(--accent-surface-one);
}

.resultat-list > div:nth-child(even) {
  background-color: var(--accent-surface-two);
}

/* Remove native spinners */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
}