:root {
    --fond: #0b0812;
    --carte: #191324;
    --champ: #261d35;
    --violet: #b68cff;
    --texte: #f5f2fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    padding: 30px 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    color: var(--texte);
    background: radial-gradient(circle at top, #382051, var(--fond) 75%);
}

.carte {
    width: 100%;
    max-width: 580px;
    padding: 38px;
    background: var(--carte);
    border: 1px solid var(--violet);
    border-radius: 18px;
    box-shadow: 0 0 35px rgba(182, 140, 255, 0.25);
}

.surtitre {
    color: #d8c0ff;
    text-align: center;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 12px;
}

h1 {
    color: var(--violet);
    text-align: center;
    font-size: 32px;
    letter-spacing: 2px;
}

h2 {
    color: #d8c0ff;
    font-size: 21px;
}

.carte > p {
    text-align: center;
    line-height: 1.6;
}

form {
    margin-top: 25px;
}

form > label {
    display: block;
    margin: 18px 0 8px;
    font-weight: bold;
}

input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    padding: 13px;
    color: white;
    background: var(--champ);
    border: 1px solid #59436f;
    border-radius: 8px;
    font: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus {
    outline: 2px solid var(--violet);
}

fieldset {
    margin: 24px 0;
    padding: 17px;
    border: 1px solid #59436f;
    border-radius: 10px;
}

legend {
    color: #d8c0ff;
    font-weight: bold;
}

fieldset label {
    display: inline-block;
    margin: 8px 14px 5px 0;
}

input[type="radio"] {
    accent-color: var(--violet);
}

button {
    width: 100%;
    padding: 15px;
    color: #130d1e;
    background: var(--violet);
    border: none;
    border-radius: 9px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #d8c0ff;
}

table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
}

th, td {
    padding: 13px;
    text-align: left;
    border: 1px solid #59436f;
    overflow-wrap: anywhere;
}

th {
    color: #d8c0ff;
    background: #302040;
}

td {
    background: var(--champ);
}

a {
    color: var(--violet);
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    color: #d8c0ff;
    text-decoration: underline;
}

@media (max-width: 600px) {
    .carte {
        padding: 22px;
    }

    h1 {
        font-size: 25px;
    }
}