.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7ff 0%, #e3e6ff 100%);
}

.auth-card {
    max-width: 420px;
    width: 100%;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(138, 92, 245, 0.1);
    padding: 40px;
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
}

.auth-header .logo i {
    font-size: 28px;
}

.auth-header h2 {
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin: 0;
}

.method-selector .btn-group {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.method-selector .btn {
    padding: 12px;
    font-weight: 500;
    transition: all 0.2s;
}

.method-selector .btn-outline-primary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.method-selector .btn-check:checked + .btn-outline-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.auth-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.auth-footer p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

@media (max-width: 576px) {
    .auth-card {
        padding: 24px;
        margin: 0 15px;
    }

    .method-selector .btn {
        font-size: 14px;
        padding: 10px;
    }
}