body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, rgb(82, 231, 254) 0%, rgb(59, 172, 217) 100%);
}

.card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    max-width: 400px;
    width: 100%;
    margin: 0;
    padding: 32px 24px 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.card-logo {
    width: 180px;
    max-width: 80vw;
    height: auto;
    margin-bottom: 32px;
    display: block;
}

.card-footer {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background: #000;
    border-radius: 0 0 16px 16px;
    padding: 16px 0 12px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    border-top: 1px solid #222;
}

.main-footer {
    width: 100vw;
    background: #000;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 12px 0 8px 0;
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.main-footer .powered-text {
    font-size: 15px;
    letter-spacing: 1px;
    opacity: 0.8;
}

.main-footer .footer-logo {
    width: 80px;
    height: auto;
    display: inline-block;
}

.card-footer-logo {
    width: 120px;
    max-width: 50vw;
    height: auto;
    display: block;
}

@media (max-width: 600px) {
    .card {
        max-width: 95vw;
        padding: 16px 8px 0 8px;
    }
    .card-logo {
        width: 120px;
    }
    .card-footer-logo {
        width: 80px;
    }
}

.btn-login {
    background-color: #2ecc40 !important;
    border: none;
    border-radius: 8px;
    color: white;
    padding: 12px;
    font-weight: 600;
    width: 100%;
    margin-top: 20px;
    transition: all 0.3s;
}

.btn-login:hover {
    background-color: #27ae38 !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 64, 0.2);
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
    display: none;
}