/* RESET BASIQUE */
* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* FOND */
body {
    margin: 0;
    height: 100vh;
    background: radial-gradient(circle at 20% 30%, #3b82f6, transparent 40%),
                radial-gradient(circle at 80% 70%, #d946ef, transparent 40%),
                #050816;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CONTAINER */
.connexion {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: 22px;
    padding: 40px 35px;
    width: 360px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

/* FORMULAIRE */
#connexionform {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* INPUTS */
#connexionform input[type="text"],
#connexionform input[type="password"] {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    padding: 14px 16px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
}

#connexionform input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

#connexionform input:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
    background: rgba(255, 255, 255, 0.18);
}

/* BOUTON */
#connexionform input[type="submit"] {
    margin-top: 10px;
    border: none;
    border-radius: 30px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(90deg, #a855f7, #22d3ee);
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.5);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

#connexionform input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(34, 211, 238, 0.6);
}

/* MESSAGE ERREUR */
#message {
    text-align: center;
    font-size: 14px;
    color: #f87171;
    margin-top: 5px;
}

.connexion a {
    display: block;
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.connexion a:hover {
    color: #7cf5ff;
}