/* Base64 Encoder Tool Styles */
.base64-encoder-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.base64-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    border-radius: 10px;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.base64-main-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.base64-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.base64-tool-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.base64-input-container,
.base64-output-container {
    flex: 1;
}

.base64-input-label,
.base64-output-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #444;
    font-size: 1.1rem;
}

.base64-input-textarea,
.base64-output-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    resize: vertical;
    min-height: 150px;
    transition: border-color 0.3s;
}

.base64-input-textarea:focus {
    border-color: #6e8efb;
    outline: none;
    box-shadow: 0 0 0 3px rgba(110, 142, 251, 0.2);
}

.base64-output-textarea {
    background-color: #f9f9f9;
}

.base64-button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.base64-action-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.base64-encode-btn {
    background-color: #4CAF50;
    color: white;
}

.base64-encode-btn:hover {
    background-color: #3e8e41;
    transform: translateY(-2px);
}

.base64-clear-btn {
    background-color: #f44336;
    color: white;
}

.base64-clear-btn:hover {
    background-color: #d32f2f;
    transform: translateY(-2px);
}

.base64-copy-btn {
    background-color: #2196F3;
    color: white;
}

.base64-copy-btn:hover {
    background-color: #0b7dda;
    transform: translateY(-2px);
}

.base64-download-btn {
    background-color: #ff9800;
    color: white;
}

.base64-download-btn:hover {
    background-color: #e68a00;
    transform: translateY(-2px);
}

.base64-info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.base64-info-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.base64-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.base64-info-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.base64-info-text {
    line-height: 1.6;
    color: #555;
}

.base64-info-list {
    padding-left: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.base64-info-list li {
    margin-bottom: 0.5rem;
}

.base64-faq-section {
    margin-bottom: 3rem;
}

.base64-faq-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #2c3e50;
}

.base64-faq-item {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.base64-faq-question {
    font-size: 1.2rem;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.base64-faq-answer {
    line-height: 1.6;
    color: #555;
}

.base64-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.base64-link:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .base64-main-title {
        font-size: 2rem;
    }
    
    .base64-subtitle {
        font-size: 1rem;
    }
    
    .base64-tool-section {
        flex-direction: column;
    }
    
    .base64-info-section {
        grid-template-columns: 1fr;
    }
    
    .base64-button-group {
        flex-direction: column;
    }
    
    .base64-action-btn {
        width: 100%;
    }
}

/* Animation for copy success */
@keyframes base64-copy-animation {
    0% { background-color: #2196F3; }
    50% { background-color: #4CAF50; }
    100% { background-color: #2196F3; }
}

.base64-copy-success {
    animation: base64-copy-animation 1s;
}