.login-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    min-width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--bs-body-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--bs-border-color);
    border-radius: 24px;
    box-shadow: var(--shadow-primary);
    transition: all 0.3s ease;
    overflow: hidden;
    max-width: 420px;
    width: 100%;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-header {
    background: transparent;
    border: none;
    text-align: center;
    padding: 48px 48px 24px;
}

.card-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--bs-body-color);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.card-subtitle {
    color: var(--bs-primary);
    font-size: 16px;
    margin-bottom: 0;
}

.card-body {
    padding: 24px 48px 48px;
}

/* Loading state */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading .btn-primary::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .card-header {
        padding: 32px 24px 16px;
    }

    .card-body {
        padding: 16px 24px 32px;
    }

    .card-title {
        font-size: 24px;
    }
}