/* ===== Global ===== */
* {
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Image de fond */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: url('fond.png') no-repeat center center/cover;
    filter: blur(3px);
    -webkit-filter: blur(3px);
    z-index: -2;
    transform: scale(1.1); /* Évite les bords flous */
}

/* Overlay blanc semi-transparent */
.background-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.3);
    z-index: -1;
}

/* ===== Bouton Admin/Personnel ===== */
.personnel-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 10;
}
.personnel-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== Conteneur principal inscription ===== */
.main-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 50px;
    flex-wrap: wrap;
    text-align: center;
    width: 100%;
    padding: 50px 20px;
}

/* ===== Images latérales ===== */
.side-image {
    max-width: 380px;
    width: 100%;
    border-radius: 25px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    flex-shrink: 0;
}

/* ===== Formulaire ===== */
.container {
    background: rgba(255,255,255,0.35);
    backdrop-filter: blur(12px);
    border-radius: 25px;
    padding: 50px 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
    transition: all 0.3s ease;
}
.container:hover { transform: translateY(-3px); }

h1 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #222;
}

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

input {
    width: 100%;
    padding: 14px 14px 14px 12px;
    border-radius: 15px;
    border: 1px solid rgba(0,0,0,0.25);
    font-size: 1rem;
    background: rgba(255,255,255,0.85);
    color: #000;
    transition: 0.3s;
}
input:focus { outline: none; border-color: #333; }
input::placeholder { color: #666; }

button {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 18px;
    background-color: #333;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    transition: 0.3s;
}
button:hover { background-color: #555; }

.error-message {
    color: #ff4c4c;
    font-size: 0.85rem;
    margin-top: 5px;
}

#message {
    margin-top: 15px;
    text-align: center;
    font-weight: bold;
}

/* ===== Responsive ===== */
@media(max-width: 900px){
    .main-container { 
        flex-direction: column; 
        gap: 30px; 
        align-items: center; 
    }
    .side-image { max-width: 350px; }
}

@media(max-width: 700px){
    .container { 
        max-width: 90%; 
        padding: 40px 25px; 
    }
    h1 { font-size: 1.7rem; }
    button { font-size: 1rem; padding: 12px; }
}

/* 📱 Fix pour les petits téléphones */
@media(max-width: 500px){
    .main-container {
        padding: 30px 15px;
    }
    
    .side-image { 
        max-width: 90%; 
        margin: 0 auto;
    }
    
    .container { 
        padding: 30px 20px;
        max-width: 95%;
        min-width: unset; /* ✅ Supprime le min-width */
    }
    
    h1 { 
        font-size: 1.5rem; 
        margin-bottom: 25px;
    }
    
    input {
        padding: 12px 10px;
        font-size: 0.95rem;
    }
    
    button {
        padding: 14px;
        font-size: 1rem;
    }
}

/* 📱 Fix pour les très petits écrans (iPhone SE, etc.) */
@media(max-width: 380px){
    .personnel-btn {
        width: 45px;
        height: 45px;
        top: 15px;
        right: 15px;
    }
    
    .main-container {
        padding: 20px 10px;
    }
    
    .container {
        padding: 25px 15px;
        border-radius: 20px;
    }
    
    h1 {
        font-size: 1.4rem;
    }
    
    input {
        padding: 11px 10px;
        font-size: 0.9rem;
        border-radius: 12px;
    }
    
    button {
        padding: 12px;
        font-size: 0.95rem;
        border-radius: 15px;
    }
}