* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background: #050818;
    color: white;
}

.page-connexion {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100svh;

    background-image: url("./fond-lycee-vertical.png");
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;

    padding: 18px;
    overflow-x: hidden;
}

.page-connexion::before {
    content: "";
    position: absolute;
    inset: 0;

    background: rgba(5, 8, 20, 0.25);

    z-index: 0;
}

.contenu {
    position: relative;
    z-index: 1;

    width: 100%;
    max-width: 390px;
    margin: 0 auto;

    padding-top: 210px;
}

/* Bouton retour */

.bouton-retour {
    position: absolute;

    top: 18px;
    left: 18px;

    width: 42px;
    height: 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(255,255,255,.25);
    border-radius: 50%;

    background: rgba(5,8,24,.35);

    color: white;
    font-size: 22px;
    line-height: 1;

    text-decoration: none;

    z-index: 5;

    backdrop-filter: blur(6px);
}

/* Bloc connexion */

.connexion-box {
    width: 100%;

    padding: 25px;

    border-radius: 20px;

    background: rgba(5, 8, 24, 0.78);

    border: 1px solid rgba(255,255,255,.15);

    backdrop-filter: blur(10px);
}

/* Titres */

.connexion-box h1 {
    text-align: center;

    font-size: 30px;

    margin-bottom: 8px;
}

.sous-titre {
    text-align: center;

    color: rgba(255,255,255,.7);

    font-size: 14px;

    margin-bottom: 25px;
}

/* Formulaire */

#formulaire-connexion {
    width: 100%;
}

#formulaire-connexion label {
    display: block;

    margin-bottom: 7px;

    font-size: 14px;
}

#formulaire-connexion input {
    display: block;

    width: 100%;

    padding: 13px 14px;

    margin-bottom: 18px;

    border: 1px solid rgba(255,255,255,.2);
    border-radius: 10px;

    background: rgba(255,255,255,.08);

    color: white;

    font-size: 15px;

    outline: none;
}

#formulaire-connexion input::placeholder {
    color: rgba(255,255,255,.5);
}

#formulaire-connexion input:focus {
    border-color: rgba(255,255,255,.5);
}

/* Bouton */

.bouton-principal {
    width: 100%;

    padding: 13px;

    margin-top: 5px;

    border: none;
    border-radius: 10px;

    background: white;
    color: #050818;

    font-size: 15px;
    font-weight: bold;

    cursor: pointer;
}

.bouton-principal:hover {
    opacity: 0.9;
}

/* Inscription */

.inscription {
    text-align: center;

    margin-top: 22px;

    font-size: 14px;

    color: rgba(255,255,255,.7);
}

.inscription a {
    color: white;

    font-weight: bold;

    text-decoration: none;
}

.inscription a:hover {
    text-decoration: underline;
}