body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo {
    color: #1a73e8;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.tagline {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.login-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: white;
}

.google-btn {
    background: #4285F4;
}

.google-btn:hover {
    background: #357ae8;
}

.outlook-btn {
    background: #0078D4;
}

.outlook-btn:hover {
    background: #106ebe;
}

.yahoo-btn {
    background: #7B0099;
}

.yahoo-btn:hover {
    background: #660080;
}

.slack-btn {
    background: #4A154B;
}

.slack-btn:hover {
    background: #3a1039;
}

.icon {
    width: 18px;
    height: 18px;
} 

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .login-container {
        margin: 1rem;
        padding: 1.5rem;
        max-width: 100%;
        border-radius: 12px;
    }
    
    .logo {
        font-size: 1.8rem;
    }
    
    .tagline {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .login-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        border-radius: 8px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1rem;
    }
    
    .login-container {
        margin: 0;
        padding: 1.5rem 1rem;
        min-height: auto;
    }
    
    .logo {
        font-size: 1.6rem;
    }
    
    .tagline {
        font-size: 0.95rem;
        line-height: 1.4;
    }
    
    .login-btn {
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }
    
    .icon {
        width: 20px;
        height: 20px;
    }
}