/* Ville écolo - feuille de style */
:root {
  --green: #2e7d32;
  --green-dark: #1b5e20;
  --green-light: #c8e6c9;
  --bg: #f7f9f6;
  --text: #1f2620;
  --muted: #5a6a5c;
  --accent: #ff8f00;
  --danger: #c62828;
  --border: #d6e0d8;
  --max-width: 920px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 1rem 1.25rem; }

.topbar {
  background: var(--green-dark);
  color: white;
  padding: 0.75rem 0;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 0; padding-bottom: 0; }
.logo { color: white; text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.tag { background: rgba(255,255,255,0.15); padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.8rem; }

.hero {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1rem 0;
  border-left: 4px solid var(--green);
}
.hero h1 { margin: 0 0 0.5rem; color: var(--green-dark); }
.hero .lead { font-size: 1.05rem; color: var(--muted); margin: 0.5rem 0; }
.hero .rgpd { background: #fff8e1; padding: 0.6rem 0.8rem; border-radius: 6px; border-left: 3px solid var(--accent); font-size: 0.9rem; }

.hero-with-banner { padding: 0; overflow: hidden; }
.hero-banner {
  display: block;
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  object-position: center;
}
.hero-content { padding: 1.25rem 1.5rem; }

.section {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1rem 0;
  border: 1px solid var(--border);
}
.section legend {
  background: var(--green);
  color: white;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius);
  font-weight: 600;
}
.section-intro { color: var(--text); font-style: normal; line-height: 1.55; }
.section-intro b, .section-intro strong { color: var(--green-dark); }
.section-intro u { text-decoration-thickness: 2px; text-underline-offset: 2px; }
.section-intro div { margin: 0.15rem 0; }
.section-banner { margin: 0.5rem 0 1rem; }
.section-banner img { display: block; max-width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--border); }

.question { margin: 1.5rem 0; padding: 1rem; background: #fafcf9; border-radius: 8px; border: 1px solid var(--border); }
.q-label { display: block; font-weight: 500; margin-bottom: 0.4rem; color: var(--text); line-height: 1.45; }
.q-label b, .q-label strong { color: var(--green-dark); font-weight: 700; }
.q-label u { text-decoration-thickness: 2px; text-underline-offset: 2px; }
.q-label i, .q-label em { color: var(--accent); }
.q-label div { margin: 0.1rem 0; }
.q-num { display: inline-block; color: var(--accent); font-weight: 700; margin-right: 0.35rem; }
.q-help { color: var(--muted); font-size: 0.88rem; margin: 0.2rem 0 0.6rem; font-style: italic; }
.req { color: var(--danger); }

.opts { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.5rem; }
.opt {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
}
.opt:hover { background: var(--green-light); }
.opt input { margin-top: 0.25rem; flex-shrink: 0; }
.opt input:checked ~ span { font-weight: 600; }
.opt:has(input:checked) { background: var(--green-light); border-color: var(--green); }
.opt input:disabled ~ span { opacity: 0.5; }

/* Variante: options avec images. Affichage en grille pour mieux comparer visuellement. */
.opts-with-img {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.6rem;
}
.opts-with-img .opt {
  flex-direction: column;
  align-items: stretch;
  padding: 0.6rem;
}
.opts-with-img .opt > input { align-self: flex-start; }
.opt-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 4px;
  background: #f0f0f0;
  margin: 0.4rem 0;
}
.opts-with-img .opt span { font-size: 0.88rem; line-height: 1.35; }

input[type="text"], input[type="email"], textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  background: white;
}
textarea { resize: vertical; min-height: 80px; }
input:focus, textarea:focus { outline: 2px solid var(--green); border-color: var(--green); }

.grid-row { margin: 0.8rem 0; padding: 0.6rem 0.8rem; background: white; border: 1px solid var(--border); border-left: 3px solid var(--green); border-radius: 6px; }
.grid-row:last-child { border-bottom: 1px solid var(--border); border-left: 3px solid var(--green); }
.grid-row-label { margin: 0 0 0.5rem; color: var(--green-dark); font-size: 0.95rem; letter-spacing: 0.02em; }
.grid .opts-with-img { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.scale { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; padding: 0.5rem 0; }
.scale-label { color: var(--muted); font-size: 0.85rem; }
.scale-step {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 0.4rem 0.6rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  min-width: 44px;
}
.scale-step input { margin: 0 0 0.2rem; }
.scale-step:has(input:checked) { background: var(--green); color: white; border-color: var(--green-dark); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.progress { color: var(--muted); font-size: 0.9rem; }
.btn-prev, .btn-next, .btn-submit {
  background: var(--green);
  color: white;
  border: 0;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-prev { background: #888; }
.btn-submit { background: var(--accent); }
.btn-prev:hover, .btn-next:hover { background: var(--green-dark); }
.btn-submit:hover { background: #e65100; }

.footer {
  background: white;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 1rem 0;
}
.footer p { margin: 0; color: var(--muted); font-size: 0.85rem; text-align: center; }

/* Admin */
.admin-block { background: white; border-radius: var(--radius); padding: 1rem 1.5rem; margin: 1rem 0; border: 1px solid var(--border); }
.admin-block h2 { color: var(--green-dark); margin-top: 0; }
.admin-block table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
.admin-block th, .admin-block td { text-align: left; padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
.admin-block th { background: var(--green-light); }
.admin-block details { margin: 0.5rem 0; padding: 0.5rem; background: #fafcf9; border-radius: 6px; }
.admin-block summary { cursor: pointer; font-weight: 600; color: var(--green-dark); }
.admin-block h4 { margin: 0.6rem 0 0.3rem; color: var(--green-dark); }

.error { color: var(--danger); font-weight: 600; }

@media (max-width: 600px) {
  .topbar .wrap { flex-direction: column; gap: 0.4rem; }
  .nav { flex-direction: column; }
  .nav button { width: 100%; }
}