/* --- 1. CONFIGURATION GÉNÉRALE --- */
:root {
    --primary: #4e8cff; /* Bleu Gemini */
    --secondary: #9c6dff; /* Violet Gemini */
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-dark: #333;
    --text-light: #666;
    --radius: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
}

/* --- 2. HEADER & NAVIGATION --- */
header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #eee;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

nav ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }
nav a { text-decoration: none; color: var(--text-dark); font-weight: 500; }
nav a.cta { background: var(--text-dark); color: #fff; padding: 10px 20px; border-radius: 30px; transition: transform 0.2s; }
nav a.cta:hover { transform: scale(1.05); background: linear-gradient(45deg, var(--primary), var(--secondary)); }

/* --- 3. HERO & SEARCH (Accueil) --- */
.hero { text-align: center; padding: 80px 20px; background: radial-gradient(circle at top, #eef2ff, #fff); }
.hero h1 { font-size: 3.5rem; margin-bottom: 15px; letter-spacing: -1.5px; font-weight: 800; }
.hero p { font-size: 1.25rem; color: var(--text-light); max-width: 600px; margin: 0 auto 40px auto; }
.search-bar input { width: 100%; max-width: 500px; padding: 18px 25px; border: 1px solid #ddd; border-radius: 50px; font-size: 1rem; box-shadow: 0 4px 15px rgba(0,0,0,0.05); outline: none; box-sizing: border-box; }

/* --- 4. GRILLE & CARTES (Accueil) --- */
.container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }
.filters { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { background: #fff; border: 1px solid #e0e0e0; padding: 10px 20px; border-radius: 30px; cursor: pointer; color: var(--text-light); }
.filter-btn.active { background: var(--text-dark); color: #fff; border-color: var(--text-dark); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }

.card { background: var(--card-bg); padding: 30px; border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,0.02); transition: transform 0.3s; border: 1px solid #f0f0f0; display: flex; flex-direction: column; justify-content: space-between; }
.card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); border-color: #e0e0e0; }
.card-icon { font-size: 2.5rem; margin-bottom: 15px; background: #f4f6f8; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
.card h3 { margin: 0 0 10px 0; font-size: 1.4rem; font-weight: 700; }
.card p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 25px; }
.tags { margin-bottom: 25px; }
.tag { background: #eef2ff; color: var(--primary); padding: 6px 12px; border-radius: 8px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; }
.btn-link { display: block; text-align: center; background: #fff; color: var(--text-dark); padding: 12px; border-radius: 10px; text-decoration: none; font-weight: 600; border: 2px solid #f0f0f0; transition: all 0.2s; }
.btn-link:hover { background: var(--text-dark); color: #fff; border-color: var(--text-dark); }

/* --- 5. ÉLÉMENTS SPÉCIFIQUES À LA FICHE DÉTAIL --- */
.breadcrumb { margin-bottom: 20px; color: var(--text-light); font-size: 0.9rem; }
.breadcrumb a { color: var(--primary); text-decoration: none; }

.gem-header { background: #fff; padding: 40px; border-radius: var(--radius); border: 1px solid #f0f0f0; text-align: center; margin-bottom: 30px; }
.gem-header .gem-icon { font-size: 4rem; display: block; margin-bottom: 10px; } /* Correction ici */
.gem-btn { background: linear-gradient(90deg, var(--primary), var(--secondary)); color: white; padding: 12px 30px; border-radius: 30px; text-decoration: none; font-weight: bold; display: inline-block; margin-top: 20px; transition: transform 0.2s; }
.gem-btn:hover { transform: scale(1.05); }

.content-box { background: #fff; padding: 30px; border-radius: var(--radius); border: 1px solid #f0f0f0; margin-bottom: 20px; }
.content-box h2 { margin-top: 0; font-size: 1.2rem; border-bottom: 2px solid #f0f0f0; padding-bottom: 10px; margin-bottom: 20px; }

.prompt-box { background: #2d2d2d; color: #f8f8f2; padding: 20px; border-radius: 8px; font-family: monospace; overflow-x: auto; position: relative; }

/* --- 6. FOOTER --- */
footer { text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 0.9rem; border-top: 1px solid #eee; margin-top: 80px; background: #fff; }

/* --- 7. PAGE AJOUTER (FORMULAIRE) --- */
.form-box {
    background: #fff;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    box-sizing: border-box; /* Important pour ne pas dépasser la largeur */
    transition: border-color 0.2s;
}

.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(78, 140, 255, 0.1);
}

.form-group textarea {
    resize: vertical; /* Permet de redimensionner en hauteur uniquement */
    min-height: 100px;
}

.form-hint {
    font-size: 0.85rem;
    color: #888;
    margin-top: 5px;
    display: block;
}

/* Bouton envoyer */
.btn-submit {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    width: 100%;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(78, 140, 255, 0.3);
}