/* ===== BASE64 ENCODER/DECODER STYLES ===== */

.yan-tools-base64-encoder {
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* ===== HEADER ===== */
.yan-tools-base64-encoder .yan-tools-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
}

.yan-tools-base64-encoder .yan-tools-header h2 {
    margin: 0 0 1rem 0;
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    color: white;
}

.yan-tools-base64-encoder .yan-tools-header p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== MAIN CONTENT ===== */
.yan-tools-base64-encoder .yan-tools-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* ===== INPUT/RESULT SECTIONS ===== */
.yan-tools-base64-encoder .yan-tools-input-section,
.yan-tools-base64-encoder .yan-tools-result-section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #e1e5e9;
}

.yan-tools-base64-encoder .yan-tools-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
}

.yan-tools-base64-encoder .yan-tools-section-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
}

.yan-tools-base64-encoder .yan-tools-section-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* ===== BUTTONS ===== */
.yan-tools-base64-encoder .yan-tools-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.yan-tools-base64-encoder .yan-tools-switch-mode-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.yan-tools-base64-encoder .yan-tools-switch-mode-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.yan-tools-base64-encoder .yan-tools-file-btn,
.yan-tools-base64-encoder .yan-tools-clear-btn {
    background: #6c757d;
    color: white;
}

.yan-tools-base64-encoder .yan-tools-file-btn:hover,
.yan-tools-base64-encoder .yan-tools-clear-btn:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.yan-tools-base64-encoder .yan-tools-download-btn {
    background: #28a745;
    color: white;
}

.yan-tools-base64-encoder .yan-tools-download-btn:hover {
    background: #218838;
    transform: translateY(-1px);
}

.yan-tools-base64-encoder .yan-tools-copy-btn {
    background: #007bff;
    color: white;
}

.yan-tools-base64-encoder .yan-tools-copy-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
}

.yan-tools-base64-encoder .yan-tools-encode-btn {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.yan-tools-base64-encoder .yan-tools-encode-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

/* ===== TEXTAREA WRAPPER ===== */
.yan-tools-base64-encoder .yan-tools-textarea-wrapper {
    position: relative;
    height: 400px;
}

.yan-tools-base64-encoder .yan-tools-input-textarea,
.yan-tools-base64-encoder .yan-tools-result-textarea {
    width: 100%;
    height: 100%;
    border: none;
    padding: 1.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    background: #f8f9fa;
    color: #2c3e50;
    box-sizing: border-box;
}

.yan-tools-base64-encoder .yan-tools-input-textarea:focus,
.yan-tools-base64-encoder .yan-tools-result-textarea:focus {
    background: #fff;
    box-shadow: inset 0 0 0 2px #667eea;
}

.yan-tools-base64-encoder .yan-tools-result-textarea {
    background: #f1f3f4;
    color: #495057;
}

/* ===== DRAG OVERLAY ===== */
.yan-tools-base64-encoder .yan-tools-drag-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.1);
    border: 2px dashed #667eea;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.yan-tools-base64-encoder .yan-tools-drag-overlay.drag-over,
.yan-tools-base64-encoder .yan-tools-drag-overlay.active {
    display: flex;
}

.yan-tools-base64-encoder .yan-tools-drag-text {
    text-align: center;
    color: #667eea;
}

.yan-tools-base64-encoder .yan-tools-upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.yan-tools-base64-encoder .yan-tools-drag-text strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* ===== FOOTER ===== */
.yan-tools-base64-encoder .yan-tools-input-footer,
.yan-tools-base64-encoder .yan-tools-result-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
}

.yan-tools-base64-encoder .yan-tools-input-stats,
.yan-tools-base64-encoder .yan-tools-result-stats {
    font-size: 0.9rem;
    color: #6c757d;
    display: flex;
    gap: 1rem;
}

.yan-tools-base64-encoder .yan-tools-copy-status {
    font-size: 0.9rem;
    color: #28a745;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.yan-tools-base64-encoder .yan-tools-copy-status.show {
    opacity: 1;
}

/* ===== SETTINGS SECTION ===== */
.yan-tools-base64-encoder .yan-tools-settings-section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    border: 1px solid #e1e5e9;
}

.yan-tools-base64-encoder .yan-tools-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    border-radius: 12px 12px 0 0;
}

.yan-tools-base64-encoder .yan-tools-settings-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
}

.yan-tools-base64-encoder .yan-tools-settings-actions {
    display: flex;
    gap: 0.5rem;
}

.yan-tools-base64-encoder .yan-tools-reset-settings-btn {
    background: #dc3545;
    color: white;
}

.yan-tools-base64-encoder .yan-tools-reset-settings-btn:hover {
    background: #c82333;
    transform: translateY(-1px);
}

.yan-tools-base64-encoder .yan-tools-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
}

.yan-tools-base64-encoder .yan-tools-setting-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.yan-tools-base64-encoder .yan-tools-setting-item label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.yan-tools-base64-encoder .yan-tools-setting-item label:hover {
    background: #f8f9fa;
}

.yan-tools-base64-encoder .yan-tools-setting-checkbox {
    width: 18px;
    height: 18px;
    accent-color: #667eea;
    cursor: pointer;
}

.yan-tools-base64-encoder .yan-tools-checkbox-text {
    font-size: 0.9rem;
    color: #495057;
    font-weight: 500;
    flex: 1;
}

.yan-tools-base64-encoder .yan-tools-setting-select {
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 0.9rem;
    background: white;
    color: #495057;
    min-width: 120px;
}

.yan-tools-base64-encoder .yan-tools-setting-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* ===== INFO PANEL ===== */
.yan-tools-base64-encoder .yan-tools-info-panel {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e1e5e9;
    overflow: hidden;
}

.yan-tools-base64-encoder .yan-tools-info {
    padding: 2rem;
}

.yan-tools-base64-encoder .yan-tools-info h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e9ecef;
}

.yan-tools-base64-encoder .yan-tools-info h4 {
    color: #495057;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
}

.yan-tools-base64-encoder .yan-tools-info p {
    color: #6c757d;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.yan-tools-base64-encoder .yan-tools-info ul {
    margin: 1rem 0;
    padding-left: 0;
    list-style: none;
}

.yan-tools-base64-encoder .yan-tools-info li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f3f4;
    color: #6c757d;
    line-height: 1.6;
}

.yan-tools-base64-encoder .yan-tools-info li:last-child {
    border-bottom: none;
}

.yan-tools-base64-encoder .yan-tools-info li strong {
    color: #495057;
    font-weight: 600;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .yan-tools-base64-encoder {
        padding: 1rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-main-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-header h2 {
        font-size: 2rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-header p {
        font-size: 1rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .yan-tools-base64-encoder .yan-tools-section-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .yan-tools-base64-encoder .yan-tools-textarea-wrapper {
        height: 300px;
    }
    
    .yan-tools-base64-encoder .yan-tools-settings-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-info {
        padding: 1.5rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-input-footer,
    .yan-tools-base64-encoder .yan-tools-result-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .yan-tools-base64-encoder .yan-tools-input-stats,
    .yan-tools-base64-encoder .yan-tools-result-stats {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .yan-tools-base64-encoder .yan-tools-header {
        padding: 1.5rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-header h2 {
        font-size: 1.8rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-textarea-wrapper {
        height: 250px;
    }
    
    .yan-tools-base64-encoder .yan-tools-input-textarea,
    .yan-tools-base64-encoder .yan-tools-result-textarea {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .yan-tools-base64-encoder .yan-tools-encode-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.yan-tools-base64-encoder .yan-tools-input-section,
.yan-tools-base64-encoder .yan-tools-result-section,
.yan-tools-base64-encoder .yan-tools-settings-section,
.yan-tools-base64-encoder .yan-tools-info-panel {
    animation: fadeIn 0.6s ease-out;
}

/* ===== LOADING STATES ===== */
.yan-tools-base64-encoder .yan-tools-encode-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.yan-tools-base64-encoder .yan-tools-encode-btn.loading .yan-tools-encode-text::after {
    content: '...';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% {
        content: '';
    }
    40% {
        content: '.';
    }
    60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}

/* ===== SUCCESS/ERROR STATES ===== */
.yan-tools-base64-encoder .yan-tools-copy-status.success {
    color: #28a745;
}

.yan-tools-base64-encoder .yan-tools-copy-status.error {
    color: #dc3545;
}

/* ===== FILE INPUT ===== */
.yan-tools-base64-encoder input[type="file"] {
    display: none;
}

/* ===== SCROLLBAR STYLING ===== */
.yan-tools-base64-encoder .yan-tools-input-textarea::-webkit-scrollbar,
.yan-tools-base64-encoder .yan-tools-result-textarea::-webkit-scrollbar {
    width: 8px;
}

.yan-tools-base64-encoder .yan-tools-input-textarea::-webkit-scrollbar-track,
.yan-tools-base64-encoder .yan-tools-result-textarea::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.yan-tools-base64-encoder .yan-tools-input-textarea::-webkit-scrollbar-thumb,
.yan-tools-base64-encoder .yan-tools-result-textarea::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.yan-tools-base64-encoder .yan-tools-input-textarea::-webkit-scrollbar-thumb:hover,
.yan-tools-base64-encoder .yan-tools-result-textarea::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}