/* Reset basique */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", sans-serif;
}

/* Fond de la page */
body {
    min-height: 100vh;
    background: radial-gradient(circle at top left, #1b2a4e, #050816 60%);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
}

/* Carte de connexion */
.connexion {
    width: 380px;
    padding: 30px 35px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 0 25px rgba(120, 80, 255, 0.25),
        inset 0 0 20px rgba(255, 255, 255, 0.03);
}

/* Titre */
.connexion h1 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 26px;
    font-weight: 600;
}

/* Formulaire */
.connexion form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Champs */
.connexion input[type="text"],
.connexion input[type="password"] {
    background: transparent;
    border: 1px solid rgba(120, 180, 255, 0.5);
    border-radius: 10px;
    padding: 12px 14px;
    color: #fff;
    outline: none;
    transition: 0.3s;
}

.connexion input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.connexion input:focus {
    border-color: #7cf5ff;
    box-shadow: 0 0 12px rgba(124, 245, 255, 0.6);
}

/* Bouton */
.connexion input[type="submit"] {
    margin-top: 10px;
    padding: 12px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(90deg, #8a2be2, #00e5ff);
    box-shadow: 0 0 18px rgba(0, 229, 255, 0.6);
    transition: 0.3s ease;
}

.connexion input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(0, 229, 255, 0.9);
}

/* Lien */
.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;
}