/* --- Variables globales --- */
:root {
    --primary: #d4a373; /* Champagne/Or */
    --primary-dark: #bc8a5f;
    --secondary: #faedcd;
    --dark: #1f2937;
    --light: #fdf8f5;
    --white: #ffffff;
    --danger: #e74c3c;
    --success: #2ecc71;
}

/* --- Base --- */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light);
    color: var(--dark);
    margin: 0;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* --- NAVBAR (Header Horizontal) --- */
.main-navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 15px; /* Espace entre les boutons */
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0;
}

/* Style des liens en "vrais boutons" */
.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 25px;
    transition: 0.3s;
    font-size: 0.95rem;
    display: inline-block;
}

.nav-links a:hover {
    background-color: var(--secondary);
    color: var(--primary-dark);
}

.nav-links a.active {
    background-color: var(--primary);
    color: var(--white);
}

.logout-btn {
    background-color: #f8d7da;
    color: #721c24 !important;
}

.logout-btn:hover {
    background-color: #f5c6cb;
}

/* --- Formulaires (Dashboard) --- */
.auth-box, .contribution-form {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
}

/* Correction 2 : Zone de texte plus grande */
textarea {
    height: 150px; /* Plus grand par défaut */
    resize: vertical; /* Permet à l'utilisateur d'agrandir verticalement */
}

button[type="submit"] {
    width: 100%;
    padding: 15px;
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    transition: 0.3s;
}

button[type="submit"]:hover {
    background-color: var(--primary-dark);
}

/* --- Cartes de message --- */
.card {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 10px;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    .nav-links a {
        padding: 8px 15px;
        font-size: 0.85rem;
    }
}