/* ================= GLOBAL ================= */

:root {
    --primary: #272727;
    --secondary: #A6B727;
    --text: #418AB3;
    --accent: #A0BDC3;
}

html, body {
    height: 100%;
    margin: 0;
    background: radial-gradient(circle at center, #303030 0%, #1d1d1d 45%, #141414 100%);
    font-family: "Segoe UI", Arial, sans-serif;
    color: white;
}

/* wrapper */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 40px;
    gap: 80px;
}

/* branding */
.auth-brand {
    text-align: center;
    max-width: 420px;
}

    .auth-brand img {
        width: 180px;
        margin-bottom: 25px;
    }

    .auth-brand h1 {
        color: var(--secondary);
        font-size: 44px;
        margin: 0 0 8px 0;
        font-weight: 700;
    }

    .auth-brand p {
        color: var(--accent);
        font-size: 18px;
        margin: 0;
    }

/* card login */
.auth-card {
    background: rgba(20,20,20,.92);
    padding: 38px 36px;
    border-radius: 16px;
    width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,.65);
}

    .auth-card h2 {
        color: var(--secondary);
        font-weight: 700;
        text-align: center;
        margin-bottom: 6px;
    }

    .auth-card h4 {
        color: var(--secondary);
        text-align: center;
        font-weight: 600;
        margin-bottom: 18px;
    }

    .auth-card hr {
        border: none;
        border-top: 2px solid var(--secondary);
        margin: 18px 0 24px 0;
    }

    /* inputs */
    .auth-card .form-control {
        background: #2a2a2a;
        border: 1px solid #3a3a3a;
        color: white;
        border-radius: 10px;
        padding: 14px;
        margin-bottom: 16px;
        width: 92%;
    }

        .auth-card .form-control:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 2px rgba(166,183,39,.25);
            outline: none;
        }

    .auth-card label {
        color: var(--accent);
    }

/* checkbox */
.form-check {
    margin: 12px 0 18px 0;
}

/* button */
.auth-card .btn-primary {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    background: linear-gradient(90deg,var(--text),var(--secondary));
    color: white;
}

/* links */
.auth-card a {
    color: var(--text);
    text-decoration: none;
    display: block;
    margin-top: 8px;
}

    .auth-card a:hover {
        color: var(--accent);
    }

/* ================= MOBILE ================= */

@media (max-width:900px) {

    .auth-wrapper {
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 24px 16px 40px 16px;
        gap: 28px;
    }

    /* logo + title centrés proprement */
    .auth-brand {
        max-width: 100%;
        width: 100%;
    }

        .auth-brand img {
            width: 130px;
            margin: 0 auto 16px auto;
            display: block;
        }

        .auth-brand h1 {
            font-size: 32px;
            text-align: center;
        }

        .auth-brand p {
            font-size: 15px;
            text-align: center;
        }

    /* carte login */
    .auth-card {
        width: 80%;
        max-width: 380px;
        margin: 0 auto;
        padding: 26px 18px 24px 18px;
        border-radius: 14px;
    }

        .auth-card h2 {
            font-size: 28px;
        }

        .auth-card h4 {
            font-size: 18px;
            margin-bottom: 12px;
        }

        .auth-card hr {
            margin: 14px 0 18px 0;
        }

        /* inputs ajustés */
        .auth-card .form-control {
            padding: 12px;
            font-size: 15px;
        }

    /* checkbox centré */
    .form-check {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

    /* bouton */
    .auth-card .btn-primary {
        padding: 13px;
        font-size: 16px;
        margin-top: 8px;
    }
}