/* Favicon Generator Tool Styles */

.favicon-generator-app {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Upload Section */
.upload-section {
    background: var(--card-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.upload-area {
    border: 2px dashed var(--subtle-border-color);
    border-radius: 12px;
    padding: 48px 32px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    background: var(--main-bg-color);
}

.upload-area:hover {
    border-color: var(--highlight-color);
    background: rgba(59, 130, 246, 0.05);
}

.upload-area.dragover {
    border-color: var(--highlight-color);
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.02);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.upload-icon {
    width: 64px;
    height: 64px;
    color: var(--highlight-color);
    opacity: 0.7;
}

.upload-content h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
}

.upload-content p {
    margin: 0;
    color: var(--text-color);
    opacity: 0.7;
    font-size: 16px;
}

.file-info {
    font-size: 14px !important;
    opacity: 0.6 !important;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--highlight-color);
    color: white;
}

.btn-primary:hover {
    background: var(--highlight-color);
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--subtle-border-color);
}

.btn-outline:hover {
    background: var(--main-bg-color);
    border-color: var(--highlight-color);
    color: var(--highlight-color);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-copy {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px 12px;
    font-size: 14px;
}

/* Preview Section */
.preview-section {
    background: var(--card-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 12px;
    padding: 32px;
}

.preview-section h3 {
    margin: 0 0 24px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
}

.preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: var(--main-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.preview-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.preview-size {
    font-size: 14px;
    font-weight: 500;
    color: var(--highlight-color);
}

.preview-item canvas {
    border: 1px solid var(--subtle-border-color);
    border-radius: 4px;
    background: white;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.preview-label {
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.7;
    text-align: center;
}

/* Options Section */
.options-section {
    background: var(--card-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 12px;
    padding: 32px;
}

.options-section h3 {
    margin: 0 0 24px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.option-group {
    padding: 20px;
    background: var(--main-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.option-group:hover {
    border-color: var(--highlight-color);
    transform: translateY(-1px);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    user-select: none;
    margin-bottom: 8px;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--subtle-border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--highlight-color);
    border-color: var(--highlight-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.option-desc {
    margin: 0;
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
    line-height: 1.4;
}

/* Generate Section */
.generate-section {
    background: var(--card-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.generate-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* Code Section */
.code-section {
    background: var(--card-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 12px;
    padding: 32px;
}

.code-section h3 {
    margin: 0 0 16px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
}

.code-desc {
    margin: 0 0 20px 0;
    color: var(--text-color);
    opacity: 0.7;
    font-size: 14px;
}

.code-container {
    position: relative;
    background: var(--main-bg-color);
    border: 1px solid var(--subtle-border-color);
    border-radius: 8px;
    overflow: hidden;
}

.code-container pre {
    margin: 0;
    padding: 20px;
    background: transparent;
    color: var(--text-color);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 2px solid var(--subtle-border-color);
    border-top: 2px solid var(--highlight-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Message Toast */
.message-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    font-size: 14px;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 300px;
    word-wrap: break-word;
}

.message-toast.show {
    transform: translateX(0);
}

.message-toast.success {
    background: #10b981;
}

.message-toast.error {
    background: #ef4444;
}

.message-toast.info {
    background: var(--highlight-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .favicon-generator-app {
        gap: 24px;
    }
    
    .upload-section,
    .preview-section,
    .options-section,
    .generate-section,
    .code-section {
        padding: 24px;
    }
    
    .upload-area {
        padding: 32px 20px;
    }
    
    .upload-icon {
        width: 48px;
        height: 48px;
    }
    
    .upload-content h3 {
        font-size: 20px;
    }
    
    .preview-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 16px;
    }
    
    .preview-item {
        padding: 16px;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .generate-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn-copy {
        position: static;
        width: auto;
        margin-top: 12px;
    }
    
    .code-container {
        margin-top: 12px;
    }
}

@media (max-width: 480px) {
    .upload-content p {
        font-size: 14px;
    }
    
    .file-info {
        font-size: 12px !important;
    }
    
    .preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .preview-item canvas {
        max-width: 100%;
        height: auto;
    }
}