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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f7f8;

}

.login-page {
    display: flex;
    min-height: 100vh;
}

/*=========================
LEFT
==========================*/

.login-left {
    width: 45%;
    background: linear-gradient(135deg,#f7fbf8,#eef8f0);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px;
    border-right: 1px solid #dfe8e1;

}

.login-logo {

    width: 170px;

    animation: heartbeat 5s infinite cubic-bezier(.4, 0, .2, 1);

    transform-origin: center;
}

@keyframes heartbeat {

    0% {
        transform: scale(1);
    }

    3% {
        transform: scale(1.04);
    }

    6% {
        transform: scale(1);
    }

    9% {
        transform: scale(1.08);
    }

    14% {
        transform: scale(1);
    }

    /* Le logo reste calme jusqu'à la fin */
    100% {
        transform: scale(1);
    }

}
.login-left h1 {

    font-size: 35px;
    text-align: center;
    margin-bottom: 10px;

}

.slogan {
    font-size: 20px;
    color: #198754;
    font-weight: 600;
    font-style: italic;
    margin-bottom: 10px;
}

.description {
    color: #6c757d;
    font-size: 16px;
    line-height: 28px;
    text-align: center;
    max-width: 380px;
}

/*=========================
RIGHT
==========================*/

.login-right {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8fafb;
}

.login-card {

    width: 430px;

    background: #fff;

    border-radius: 18px;

    padding: 45px;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, .08);

}

.login-card h2 {

    color: #198754;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;

}

.login-card p {
    margin-bottom: 30px;
    text-align: center;
    color: #666;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 10px;
    outline: none;
    transition: .3s;
}

.form-control:focus {
    border-color: #18A300;
    box-shadow: 0 0 10px rgba(24, 163, 0, .2);
}

.input-group {

    display: flex;

    align-items: center;

    border: 1px solid #d9d9d9;

    border-radius: 10px;

    overflow: hidden;

    background: #fff;

    transition: .3s;

}

.input-group:focus-within {

    border-color: #198754;

    box-shadow: 0 0 8px rgba(25, 135, 84, .2);

}

.input-icon {
    width: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #198754;
    font-size: 18px;
    border-right: 1px solid #e5e5e5;

}

.input-group .form-control {

    border: none;

    box-shadow: none;

    padding: 14px;

}

.input-group .form-control:focus {

    box-shadow: none;

}

.password-toggle {

    border: none;

    background: white;

    width: 50px;

    cursor: pointer;

    color: #777;

    transition: .3s;

}

.password-toggle:hover {

    color: #198754;

}


.btn-login {

    width: 100%;

    background: #198754;

    color: white;

    border: none;

    border-radius: 10px;

    padding: 14px;

    font-size: 17px;

    font-weight: 600;

    cursor: pointer;

    transition: .3s;

}

.btn-login:hover {

    background: #146c43;

}

.btn-login:disabled {

    opacity: .75;

    cursor: not-allowed;

}

/*=========================
RESPONSIVE
==========================*/

@media(max-width:992px) {

    .login-page {

        flex-direction: column;

    }

    .login-left,
    .login-right {

        width: 100%;

    }

    .login-left {

        padding: 40px;

    }

    .login-card {

        width: 90%;

        margin: 40px auto;

    }

}


/* ==========================================
   ERREURS DES CHAMPS
   ========================================== */

.field-error {
    display: flex;
    align-items: center;
    gap: 5px;

    margin-top: 5px;

    color: #dc3545;

    font-size: 12px;
    line-height: 1.3;
}

.field-error i {
    font-size: 13px;
}


/* ==========================================
   CHAMP EN ERREUR
   ========================================== */

.form-control.is-invalid {
    border-color: #dc3545;
}

.form-control.is-invalid:focus {
    border-color: #dc3545;

    box-shadow: 0 0 0 0.15rem rgba(220, 53, 69, 0.1);
}


/* ==========================================
   ERREUR IDENTIFIANTS
   ========================================== */

.login-error {
    display: flex;
    align-items: center;
    gap: 8px;

    margin-top: 12px;
    margin-bottom: 15px;

    padding: 10px 12px;

    border: 1px solid #f5c2c7;
    border-radius: 7px;

    background: #f8d7da;
    color: #842029;

    font-size: 13px;
}

.login-error i {
    flex-shrink: 0;
    font-size: 15px;
}