/* Thème : clair par défaut + support system/dark via attribut data-theme sur <html> */
:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --panel2: #f7f7fb;
  --text: #111827;
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.12);

  --primary: #4b5563;   /* gris */
  --primary2: #6b7280;

  --shadow: 0 10px 25px rgba(17, 24, 39, 0.08);
  --focus: rgba(75, 85, 99, 0.35);

  --danger: #b91c1c;
  --dangerBg: rgba(185, 28, 28, 0.08);
}

html[data-theme="dark"] {
  --bg: #0b1220;
  --panel: #111a2e;
  --panel2: #0f172a;
  --text: #e5e7eb;
  --muted: #a1a1aa;
  --border: rgba(229, 231, 235, 0.12);

  --primary: #a1a1aa;
  --primary2: #cbd5e1;

  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --focus: rgba(203, 213, 225, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  backdrop-filter: blur(8px);
}

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

.theme {
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme__label {
  color: var(--muted);
  font-size: 0.95rem;
}
.theme__select {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  outline: none;
}
.theme__select:focus-visible {
  box-shadow: 0 0 0 4px var(--focus);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 14px;
}

.card--secondary {
  background: var(--panel2);
}

.card__title {
  margin: 0 0 14px 0;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.card__title--small {
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.field {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field--compact {
  grid-column: span 4;
  max-width: 420px;
}

label {
  color: var(--muted);
  font-size: 0.95rem;
}

input, select {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 12px 12px;
  border-radius: 12px;
  outline: none;
  font-size: 1rem;
}
input:focus-visible, select:focus-visible {
  box-shadow: 0 0 0 4px var(--focus);
}

.hint {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.25;
}

.actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.btn {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--primary2), var(--primary));
  color: #fff;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.02); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--focus); }

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

.results {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.result {
  grid-column: span 6;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: color-mix(in oklab, var(--panel) 70%, transparent);
}

.result--wide {
  grid-column: span 12;
}

.result__label {
  color: var(--muted);
  font-size: 0.95rem;
}
.result__value {
  margin-top: 8px;
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: 1.85rem;
}
.result__value--small {
  font-size: 0.98rem;
  font-weight: 700;
  word-break: break-word;
}
.result__meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

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

.footer {
  padding: 8px 2px 26px;
}
.muted {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 860px) {
  .field { grid-column: span 12; }
  .result { grid-column: span 12; }
}
