:root {
  --vert: #2e7d32;
  --orange: #ef6c00;
  --beige: #f5f0e8;
  --texte: #222;
  --gris: #666;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--beige);
  color: var(--texte);
  line-height: 1.5;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 1rem; }

header {
  background: white;
  border-bottom: 2px solid var(--vert);
  padding: 0.8rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.4rem;
  text-decoration: none;
  color: var(--texte);
}
.logo strong { color: var(--vert); }

nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: var(--gris);
  font-weight: 500;
}
nav a:hover { color: var(--vert); }

.hero {
  text-align: center;
  padding: 2rem 0 1.5rem;
}
.hero h1 { color: var(--vert); margin-bottom: 0.3rem; }
.hero p { color: var(--gris); margin-bottom: 1rem; }

#search {
  width: 100%;
  max-width: 400px;
  padding: 0.7rem 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.cat {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--vert);
  background: white;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
}
.cat.active, .cat:hover {
  background: var(--vert);
  color: white;
}

.annonces-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  transition: transform 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover { transform: translateY(-3px); }

.card-img {
  height: 160px;
  background: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 0.9rem;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 0.9rem; }
.card-body h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.prix { color: var(--orange); font-weight: 700; font-size: 1.1rem; }
.meta { color: var(--gris); font-size: 0.85rem; margin-top: 0.3rem; }

.detail {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  margin: 1.5rem 0;
}
.detail h1 { margin-bottom: 0.5rem; }
.detail .prix { font-size: 1.4rem; margin: 0.5rem 0; }

.form-publi {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  max-width: 500px;
  margin: 1rem 0 2rem;
}
.form-publi label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 500;
}
.form-publi input,
.form-publi select,
.form-publi textarea {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.3rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}
.form-publi button {
  background: var(--vert);
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  width: 100%;
}
.form-publi button:hover { background: #1b5e20; }

.info {
  background: #e8f5e9;
  padding: 0.8rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

footer {
  background: white;
  border-top: 1px solid #ddd;
  padding: 1.2rem 0;
  text-align: center;
  color: var(--gris);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  nav a { margin-left: 0.6rem; font-size: 0.9rem; }
}