/* =========================================================
   Générateur de cartons — La Dordogne Unie
   Interface front (éditeur + porte d'accès)
   ========================================================= */

.carton-app, .carton-gate {
  --c-red:   #A61922;
  --c-green: #7BB25F;
  --c-dark:  #200E13;
  --ui-bg:        #ffffff;
  --ui-panel:     #f6f5f3;
  --ui-border:    #e2e0db;
  --ui-text:      #21201e;
  --ui-muted:     #6b6963;
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ui-text);
  box-sizing: border-box;
}
.carton-app *, .carton-gate * { box-sizing: border-box; }

/* ---------- Porte d'accès ---------- */
.carton-gate {
  display: flex; justify-content: center; padding: 3rem 1rem;
}
.carton-gate__card {
  background: var(--ui-bg);
  border: 1px solid var(--ui-border);
  border-radius: 14px;
  padding: 2rem;
  max-width: 420px; width: 100%;
  text-align: center;
}
.carton-gate__card h2 { margin: 0 0 .5rem; font-weight: 700; }
.carton-gate__card p { color: var(--ui-muted); margin: 0 0 1rem; }
.carton-gate__error { color: var(--c-red) !important; font-weight: 500; }
.carton-gate form { display: flex; gap: .5rem; flex-wrap: wrap; }
.carton-gate input {
  flex: 1 1 180px; padding: .7rem .9rem;
  border: 1px solid var(--ui-border); border-radius: 9px; font-size: 1rem;
}
.carton-gate button {
  padding: .7rem 1.3rem; border: 0; border-radius: 9px;
  background: var(--c-red); color: #fff; font-weight: 500; cursor: pointer;
}
.carton-gate button:hover { filter: brightness(1.08); }

/* ---------- Éditeur : disposition ---------- */
.carton-app { max-width: 1180px; margin: 0 auto; }
.carton-layout {
  display: grid; grid-template-columns: 380px 1fr; gap: 1.5rem;
  align-items: start;
}
@media (max-width: 900px) {
  .carton-layout { grid-template-columns: 1fr; }
}

/* ---------- Panneau de réglages ---------- */
.carton-panel {
  background: var(--ui-panel);
  border: 1px solid var(--ui-border);
  border-radius: 14px;
  padding: 1.1rem 1.1rem 1.4rem;
}
.carton-panel h3 {
  margin: 0 0 .4rem; font-size: .82rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ui-muted); font-weight: 700;
}
.carton-section { padding: .9rem 0; border-top: 1px solid var(--ui-border); }
.carton-section:first-of-type { border-top: 0; padding-top: .2rem; }

.carton-field { margin: .55rem 0; }
.carton-field > label {
  display: block; font-size: .8rem; color: var(--ui-muted);
  margin-bottom: .25rem; font-weight: 500;
}
.carton-field input[type="text"],
.carton-field textarea,
.carton-field select {
  width: 100%; padding: .55rem .65rem; font-size: .95rem;
  border: 1px solid var(--ui-border); border-radius: 9px; background: #fff;
  font-family: inherit;
}
.carton-field textarea { resize: vertical; min-height: 56px; }

.carton-row { display: flex; gap: .6rem; }
.carton-row > * { flex: 1; }

/* Sélecteur de modèle (boutons) */
.carton-models { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.carton-model-btn {
  padding: .6rem .4rem; border: 1px solid var(--ui-border); border-radius: 10px;
  background: #fff; cursor: pointer; font-size: .85rem; text-align: center;
  font-family: inherit; color: var(--ui-text); transition: .15s;
}
.carton-model-btn:hover { border-color: var(--c-green); }
.carton-model-btn[aria-pressed="true"] {
  border-color: var(--c-red); background: #fff;
  box-shadow: inset 0 0 0 1px var(--c-red);
  font-weight: 500;
}

/* Choix fond : photo / aplat */
.carton-bg-toggle { display: flex; gap: .4rem; }
.carton-bg-toggle button {
  flex: 1; padding: .5rem; border: 1px solid var(--ui-border); border-radius: 9px;
  background: #fff; cursor: pointer; font-family: inherit; font-size: .85rem;
}
.carton-bg-toggle button[aria-pressed="true"] {
  border-color: var(--c-red); box-shadow: inset 0 0 0 1px var(--c-red); font-weight: 500;
}

/* Sliders */
.carton-slider { display: flex; align-items: center; gap: .6rem; }
.carton-slider input[type="range"] { flex: 1; }
.carton-slider output {
  font-size: .8rem; color: var(--ui-muted); min-width: 38px; text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Pastilles couleur d'aplat */
.carton-swatches { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.carton-swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer;
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--ui-border);
}
.carton-swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--c-dark); }
.carton-field input[type="color"] {
  width: 38px; height: 30px; padding: 0; border: 1px solid var(--ui-border);
  border-radius: 7px; background: #fff; cursor: pointer;
}

/* Boutons d'export */
.carton-formats { display: flex; gap: .4rem; flex-wrap: wrap; }
.carton-format-btn {
  flex: 1 1 auto; padding: .5rem .7rem; border: 1px solid var(--ui-border);
  border-radius: 9px; background: #fff; cursor: pointer; font-size: .8rem;
  font-family: inherit; white-space: nowrap;
}
.carton-format-btn[aria-pressed="true"] {
  border-color: var(--c-red); box-shadow: inset 0 0 0 1px var(--c-red); font-weight: 500;
}
.carton-download {
  margin-top: .8rem; width: 100%; padding: .8rem; border: 0; border-radius: 10px;
  background: var(--c-red); color: #fff; font-weight: 700; font-size: 1rem;
  cursor: pointer; font-family: inherit;
}
.carton-download:hover { filter: brightness(1.08); }

.carton-hint { font-size: .75rem; color: var(--ui-muted); margin: .3rem 0 0; }

.carton-checkbox { display: flex; align-items: center; gap: .5rem; }
.carton-checkbox input { width: auto; }
.carton-checkbox label { margin: 0; font-size: .85rem; color: var(--ui-text); }

/* ---------- Zone d'aperçu ---------- */
.carton-preview-wrap {
  position: sticky; top: 1rem;
  background: var(--ui-panel); border: 1px solid var(--ui-border);
  border-radius: 14px; padding: 1rem; text-align: center;
}
.carton-canvas-shell {
  display: inline-block; max-width: 100%; line-height: 0;
  border-radius: 8px; overflow: hidden;
}
#carton-canvas { max-width: 100%; height: auto; display: block; }
.carton-preview-label {
  margin-top: .6rem; font-size: .78rem; color: var(--ui-muted);
}
@media (max-width: 900px) {
  .carton-preview-wrap { position: static; }
}

/* Champ masqué quand inactif */
.carton-hidden { display: none !important; }