/* Importation d'une police élégante */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Playfair+Display:wght@700&display=swap');

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #1a2a23 0%, #0a0f0d 100%);
    font-family: 'Montserrat', sans-serif;
    color: #e0e0e0;
    overflow: hidden;
}

/* Background décoratif (Optionnel : petits motifs de cartes) */
body::before {
    content: "♠ ♥ ♣ ♦";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20rem;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
}

/* Conteneur principal */
.login-container {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: #f1c40f; /* Or */
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Formulaire */
#admin-login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

label {
    font-size: 0.9rem;
    color: #bdc3c7;
    margin-bottom: -10px;
    font-weight: bold;
}

/* Input password style premium */
input[type="password"] {
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid #2c3e50;
    border-radius: 10px;
    padding: 15px;
    color: #fff;
    font-size: 1.1rem;
    text-align: center;
    transition: all 0.3s ease;
    outline: none;
}

input[type="password"]:focus {
    border-color: #f1c40f;
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.2);
    background: rgba(0, 0, 0, 0.6);
}

/* Bouton Login */
button {
    background: linear-gradient(135deg, #f1c40f 0%, #d4ac0d 100%);
    color: #1a1a1a;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 1.1rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(241, 196, 15, 0.3);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(241, 196, 15, 0.4);
    filter: brightness(1.1);
}

button:active {
    transform: translateY(0);
}

/* Animation d'entrée */
.login-container {
    animation: fadeInContainer 0.8s ease-out;
}

@keyframes fadeInContainer {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-back-home {
    display: inline-block;
    margin-top: 15px;
    color: #4da6ff;
    opacity: 0.6;
    text-decoration: none;
    font-size: 0.8rem;
    transition: opacity 0.2s;
}

.btn-back-home:hover {
    opacity: 1;
    text-decoration: underline;
}