/* Tools-specific styles */

/* Tool Grid Layout */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tool-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
    display: block;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tool-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.tool-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.tool-card .tool-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
    font-size: 1.5rem;
}

/* Input Enhancements */
.input-group textarea {
    font-family: var(--font-mono);
    line-height: 1.4;
    tab-size: 4;
}

.input-group textarea::placeholder {
    color: var(--text-light);
    font-style: italic;
}

.input-group .char-counter {
    font-size: 0.75rem;
    color: var(--text-light);
    text-align: right;
    margin-top: 0.25rem;
}

.input-group .char-counter.warning {
    color: var(--warning-color);
}

.input-group .char-counter.error {
    color: var(--error-color);
}

/* Advanced Input Controls */
.input-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.input-controls .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

/* Options Panel */
.options-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.options-panel h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-item input[type="checkbox"],
.option-item input[type="radio"] {
    width: auto;
    margin: 0;
}

.option-item label {
    margin: 0;
    font-size: 0.875rem;
    cursor: pointer;
}

/* Results Enhancements */
.results-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.results-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.result-text {
    position: relative;
}

.result-text .copy-indicator {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.result-text .copy-indicator.show {
    opacity: 1;
}

/* Progress Indicators */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

/* Loading States */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

/* Tool-specific Result Styles */
.result-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.result-list li {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-list li:last-child {
    border-bottom: none;
}

.result-list .item-text {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.result-list .item-count {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Frequency Chart */
.frequency-chart {
    margin: 1rem 0;
}

.frequency-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.frequency-bar {
    flex: 1;
    height: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.frequency-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.frequency-text {
    min-width: 100px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.frequency-count {
    min-width: 60px;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
}

/* Comparison View */
.comparison-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1rem 0;
}

.comparison-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.comparison-panel h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.comparison-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.4;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 300px;
    overflow-y: auto;
}

/* Error States */
.error-message {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

.error-message h4 {
    margin-bottom: 0.5rem;
    color: #dc2626;
}

/* Success States */
.success-message {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

.success-message h4 {
    margin-bottom: 0.5rem;
    color: #16a34a;
}

/* Warning States */
.warning-message {
    background: #fffbeb;
    border: 1px solid #fed7aa;
    color: #d97706;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

.warning-message h4 {
    margin-bottom: 0.5rem;
    color: #d97706;
}

/* Tool Categories */
.category-header {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 2rem 0 1rem 0;
    border-left: 4px solid var(--primary-color);
}

.category-header h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

.category-header p {
    margin: 0.5rem 0 0 0;
    color: var(--text-secondary);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.quick-action {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.quick-action:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.file-upload.dragover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.file-upload-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.file-upload-hint {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Responsive Tool Adjustments */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-view {
        grid-template-columns: 1fr;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .results-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .results-actions {
        justify-content: center;
    }
    
    .frequency-item {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    
    .frequency-text,
    .frequency-count {
        min-width: auto;
    }
}