/* Word Vector Demo styles */

/* Foundation badge variant (blue) */
.lesson-badge.foundation {
    color: #60a5fa;
    background: rgba(96, 165, 250, 0.1);
}
.progress-dot.active.foundation { background: #60a5fa; }

/* Demo container */
.demo-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin: 28px 0;
}
.demo-container h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* Word selector */
.word-selector {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.word-selector label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.word-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    min-width: 140px;
    cursor: pointer;
}
.word-select:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Vector visualization canvas */
.vector-canvas {
    width: 100%;
    height: 120px;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* Similarity demo */
.similarity-inputs {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.similarity-inputs span {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Similarity meter */
.similarity-result {
    margin-top: 20px;
}
.similarity-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}
.similarity-label span:first-child {
    color: var(--text-secondary);
}
.similarity-label .score {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-weight: 600;
}
.similarity-meter {
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}
.similarity-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--red) 0%, var(--warning) 50%, var(--accent) 100%);
    transition: width 0.3s ease;
    border-radius: 12px;
}

/* 2D Scatter plot */
.scatter-container {
    margin-top: 24px;
}
.scatter-canvas {
    width: 100%;
    height: 300px;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border);
    cursor: grab;
}
.scatter-canvas:active {
    cursor: grabbing;
}
.scatter-legend {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
    justify-content: center;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.legend-dot.royalty { background: #f472b6; }
.legend-dot.animals { background: #60a5fa; }
.legend-dot.places { background: #34d399; }
.legend-dot.concepts { background: #fbbf24; }

/* Equation builder */
.equation-builder {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.equation-operator {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
}
.calculate-btn {
    background: var(--accent);
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s;
}
.calculate-btn:hover {
    background: var(--accent-dim);
}
.calculate-btn:disabled {
    background: var(--border);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* Results list */
.results-list {
    margin-top: 20px;
}
.results-list h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 8px;
}
.result-item:first-of-type {
    border: 1px solid var(--accent);
}
.result-word {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
    font-weight: 600;
}
.result-item:first-of-type .result-word {
    color: var(--accent);
}
.result-score {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Preset examples */
.preset-examples {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.preset-examples h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.preset-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.preset-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}
.preset-btn:hover {
    background: var(--border);
    color: var(--text-primary);
}

/* Vector display (simple) */
.vector-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    white-space: nowrap;
}
.vector-display .highlight {
    color: var(--accent);
}

/* Concept diagram */
.concept-diagram {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin: 28px 0;
    text-align: center;
}
.concept-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.concept-box {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 24px;
}
.concept-box.word {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: var(--text-primary);
}
.concept-box.vector {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent);
}
.concept-arrow {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

/* Comparison visual */
.comparison-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}
.comparison-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}
.comparison-item h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

@media (max-width: 600px) {
    .comparison-visual {
        grid-template-columns: 1fr;
    }
    .equation-builder {
        flex-direction: column;
        align-items: stretch;
    }
    .equation-builder .word-select {
        width: 100%;
    }
    .similarity-inputs {
        flex-direction: column;
        align-items: stretch;
    }
    .similarity-inputs .word-select {
        width: 100%;
    }
    .similarity-inputs span {
        text-align: center;
    }
    .scatter-canvas {
        height: 250px;
    }
}