/* Text Summarizer Styles */
.tool-header {
    margin-bottom: 30px;
}

.breadcrumb {
    margin-bottom: 20px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.tool-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 800px;
    line-height: 1.6;
}

.summarizer-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .summarizer-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Input Section */
.input-section {
    background: var(--surface);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.input-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.input-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.input-controls select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--background);
    color: var(--text-primary);
    font-size: 0.9rem;
}

#inputText {
    width: 100%;
    min-height: 300px;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
    background: var(--background);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
    margin-bottom: 15px;
}

#inputText:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.text-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 10px;
}

.text-stats {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.summary-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.option-group label {
    font-weight: 500;
    color: var(--text-primary);
}

/* Output Section */
.output-section {
    background: var(--surface);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.output-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.output-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.summary-container {
    min-height: 300px;
    margin-bottom: 20px;
}

.summary-status {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    background: var(--background);
    border-radius: 8px;
    color: var(--text-secondary);
    font-style: italic;
    border: 2px dashed var(--border-color);
}

.summary-content {
    background: var(--background);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    min-height: 200px;
    display: none;
}

.summary-text {
    line-height: 1.6;
    color: var(--text-primary);
}

.summary-paragraph {
    margin-bottom: 15px;
}

.bullet-summary {
    padding-left: 0;
    list-style: none;
}

.bullet-summary li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    margin-bottom: 10px;
    border-left: 3px solid var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
    padding-left: 20px;
}

.bullet-summary li::before {
    content: '•';
    position: absolute;
    left: 15px;
    color: var(--primary-color);
    font-weight: bold;
}

.key-sentences {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.key-sentence {
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    font-style: italic;
    border-left: 3px solid var(--success-color);
}

/* Summary Analysis */
.summary-analysis {
    background: var(--background);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.analysis-tabs {
    display: flex;
    gap: 5px;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.analysis-tab {
    padding: 8px 15px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.analysis-tab:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.analysis-tab.active {
    background: var(--primary-color);
    color: white;
}

.analysis-content {
    padding: 20px;
}

.analysis-pane {
    display: none;
}

.analysis-pane.active {
    display: block;
}

.quality-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.metric {
    text-align: center;
    padding: 15px;
    background: var(--surface);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.metric-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.quality-assessment {
    background: var(--surface);
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
}

.keyword-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.keyword-section {
    background: var(--surface);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
}

.keyword-section h4 {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 1rem;
}

.keyword-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.keyword-tag {
    background: var(--primary-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.structure-analysis {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.structure-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.metric-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* Comparison Section */
.comparison-section {
    background: var(--surface);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.comparison-section h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.comparison-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    padding-bottom: 5px;
}

.comp-tab {
    padding: 10px 15px;
    border: none;
    background: var(--background);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.comp-tab:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.comp-tab.active {
    background: var(--primary-color);
    color: white;
}

.summary-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.comp-summary {
    background: var(--background);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
}

.comp-summary h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.comp-summary .summary-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Educational Info */
.educational-info {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
}

.educational-info h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.techniques-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.technique-card {
    background: var(--surface);
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.technique-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.technique-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.technique-pros, .technique-cons {
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.technique-pros strong, .technique-cons strong {
    color: var(--text-primary);
}

.best-practices {
    background: var(--surface);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.best-practices h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.best-practices ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
    list-style: none;
    padding: 0;
}

.best-practices li {
    padding: 10px;
    background: var(--background);
    border-radius: 6px;
    border-left: 3px solid var(--success-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.best-practices li strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 3px;
}

/* Loading States */
.summarizer-layout.loading {
    opacity: 0.7;
    pointer-events: none;
}

.summarizer-layout.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .input-header {
        flex-direction: column;
        align-items: stretch;
    }

    .input-controls {
        justify-content: center;
    }

    .output-header {
        flex-direction: column;
        align-items: stretch;
    }

    .output-controls {
        justify-content: center;
    }

    .text-info {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .summary-options {
        justify-content: center;
    }

    .analysis-tabs {
        justify-content: flex-start;
    }

    .quality-metrics {
        grid-template-columns: 1fr;
    }

    .keyword-analysis {
        grid-template-columns: 1fr;
    }

    .summary-comparison {
        grid-template-columns: 1fr;
    }

    .techniques-grid {
        grid-template-columns: 1fr;
    }

    .best-practices ul {
        grid-template-columns: 1fr;
    }
}