.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.auth-box {
    background: #18181b;
    border: 1px solid #27272a;
    border-radius: 12px;
    padding: 3rem;
    max-width: 450px;
    width: 100%;
}

.auth-box h1 {
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: #a1a1aa;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #e4e4e7;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    background: #27272a;
    border: 1px solid #3f3f46;
    color: #e4e4e7;
    padding: 0.8rem;
    border-radius: 8px;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: #a1a1aa;
}

.auth-link a {
    color: #667eea;
    text-decoration: none;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background: #ef444420;
    border: 1px solid #ef4444;
    color: #ef4444;
}

.alert-success {
    background: #10b98120;
    border: 1px solid #10b981;
    color: #10b981;
}


button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}


/* ===== RESPONSIVE DESIGN FOR AUTH PAGES ===== */

@media (max-width: 768px) {
    .auth-container {
        padding: 1.5rem;
        margin: 2rem auto;
    }
    
    .auth-container h1 {
        font-size: 1.5rem;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
    
    .form-group label {
        font-size: 0.85rem;
    }
    
    .form-group input {
        padding: 0.7rem;
        font-size: 0.9rem;
    }
    
    .btn-auth {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .auth-footer {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
        margin: 1rem auto;
        max-width: 100%;
    }
    
    .auth-container h1 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .auth-container p {
        font-size: 0.85rem;
    }
    
    .auth-form {
        padding: 1.2rem;
    }
    
    .form-group {
        margin-bottom: 0.8rem;
    }
    
    .form-group label {
        font-size: 0.8rem;
        margin-bottom: 0.3rem;
    }
    
    .form-group input {
        padding: 0.6rem;
        font-size: 0.85rem;
    }
    
    .btn-auth {
        padding: 0.7rem;
        font-size: 0.85rem;
    }
    
    .auth-footer {
        font-size: 0.8rem;
        padding-top: 0.8rem;
    }
}

/* Google Sign-In Button */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: white;
    color: #3c4043;
    border: 1px solid #dadce0;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.btn-google:hover {
    background: #f8f9fa;
    border-color: #d2d3d4;
    box-shadow: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
}

.btn-google:active {
    background: #f1f3f4;
    border-color: #d2d3d4;
}

.btn-google svg {
    flex-shrink: 0;
}