/* Base : couleurs, thèmes, mise en page générale, en-tête, menu paramètres, pied de page. */

/* ---------- Couleurs (thème clair par défaut) ---------- */

:root {
  --color-background: #f6f3ee;
  --color-surface: #ffffff;
  --color-surface-alt: #f0ece5;
  --color-text: #1d1a24;
  --color-muted: #6b6474;
  --color-border: #e2dcd2;
  --color-accent: #e4572e;
  --color-on-accent: #ffffff;
  --color-accent-soft: #fde5dc;
  --color-opening: #f2a541;
  --color-ending: #7b6cf6;
  --color-success: #2f9e6b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(29, 26, 36, .06), 0 8px 24px rgba(29, 26, 36, .06);
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: light;
}

/* Thème sombre : suit le système (thème « Auto »), ou forcé par data-theme="dark". */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-background: #14121a;
    --color-surface: #1d1a25;
    --color-surface-alt: #26222f;
    --color-text: #f1edf6;
    --color-muted: #a39cae;
    --color-border: #332e3d;
    --color-accent: #ff6b3d;
    --color-on-accent: #160c08;
    --color-accent-soft: #3a1f17;
    --color-opening: #f5b55a;
    --color-ending: #9a8eff;
    --color-success: #4cc58d;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --color-background: #14121a;
  --color-surface: #1d1a25;
  --color-surface-alt: #26222f;
  --color-text: #f1edf6;
  --color-muted: #a39cae;
  --color-border: #332e3d;
  --color-accent: #ff6b3d;
  --color-on-accent: #160c08;
  --color-accent-soft: #3a1f17;
  --color-opening: #f5b55a;
  --color-ending: #9a8eff;
  --color-success: #4cc58d;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

/* ---------- Bases ---------- */

* { box-sizing: border-box; }
/* Sans !important, display:flex sur .checkbox ou .field l'emporterait sur l'attribut hidden. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font: 16px/1.5 "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

/* ---------- En-tête ---------- */

.site-header {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 16px 8px;
}
.site-header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.site-title {
  margin: 0;
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: -.02em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-logo { width: clamp(36px, 6vw, 48px); height: auto; flex: none; }
.tagline { margin: 6px 0 0; color: var(--color-muted); }

/* ---------- Menu paramètres ---------- */

.settings { position: relative; }
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-size: 18px;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
}
.icon-button:hover, .icon-button[aria-expanded="true"] { color: var(--color-accent); border-color: var(--color-accent); }
.icon-button i { transition: transform .3s; }
.icon-button[aria-expanded="true"] i { transform: rotate(60deg); }

.settings-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 20;
  min-width: 200px;
  padding: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.settings-menu-title {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-muted);
}
.theme-choice { display: flex; flex-direction: column; gap: 2px; }
.theme-choice label { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.theme-choice label:hover { background: var(--color-surface-alt); }
.theme-choice input { position: absolute; opacity: 0; pointer-events: none; }
.theme-choice i { width: 16px; text-align: center; color: var(--color-muted); }
.theme-choice label:has(input:checked) { background: var(--color-accent-soft); color: var(--color-accent); font-weight: 500; }
.theme-choice label:has(input:checked) i { color: var(--color-accent); }
.theme-choice label:has(input:focus-visible) { outline: 2px solid var(--color-accent); }

/* ---------- Mise en page : formulaire à gauche, onglets à droite ---------- */

.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
@media (min-width: 900px) {
  .layout { grid-template-columns: minmax(0, 440px) minmax(0, 1fr); }
}

/* ---------- Pied de page ---------- */

.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px 40px;
  color: var(--color-muted);
  font-size: 13px;
}
.site-footer a { color: inherit; }