/* ============================================
   DEMO PAGE — Graph Traversal vs Prompt Engineering
   ============================================ */

/* === SECTION 1: THE DECISION RACE === */

.demo-race-section {
    background: var(--bg);
}

.race-container {
    display: flex;
    gap: 0;
    align-items: stretch;
    position: relative;
}

.race-panel {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    min-height: 480px;
}

.race-panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.race-panel-header h3 {
    font-family: var(--font);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.race-panel-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.race-icon-prompt {
    background: rgba(196, 69, 60, 0.08);
    color: var(--red);
}

.race-icon-iw {
    background: rgba(27, 107, 90, 0.08);
    color: var(--accent);
}

/* Prompt document (text-heavy, readable) */
.race-prompt-doc {
    flex: 1;
    max-height: 240px;
    overflow-y: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.race-prompt-doc::-webkit-scrollbar {
    width: 4px;
}

.race-prompt-doc::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.race-prompt-doc-heading {
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.75rem;
    margin-bottom: 0.3rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid var(--border);
}

.race-prompt-doc-heading:first-child {
    margin-top: 0;
}

.race-prompt-doc-text {
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.race-prompt-doc-text em {
    color: var(--text-dim);
    font-style: normal;
}

/* Failure explanation panel */
.race-failure-explain {
    margin-bottom: 1rem;
    opacity: 0;
    transition: opacity 0.5s var(--ease);
}

.race-failure-explain.visible {
    opacity: 1;
}

.race-failure-explain-title {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.race-failure-item {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 0.5rem 0.6rem;
    border-radius: 6px;
    background: rgba(196, 69, 60, 0.04);
    border-left: 2px solid var(--red);
    margin-bottom: 0.35rem;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.race-failure-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.race-failure-item-icon {
    font-size: 0.85rem;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
}

.race-failure-item-content {
    flex: 1;
    min-width: 0;
}

.race-failure-item-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--red);
    margin-bottom: 0.1rem;
}

.race-failure-item-desc {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ---- Success explanation (IW side) ---- */
.race-success-explain {
    margin-bottom: 1rem;
    opacity: 0;
    transition: opacity 0.5s var(--ease);
}

.race-success-explain.visible {
    opacity: 1;
}

.race-success-explain-title {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.race-success-item {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 0.5rem 0.6rem;
    border-radius: 6px;
    background: rgba(27, 107, 90, 0.04);
    border-left: 2px solid var(--accent);
    margin-bottom: 0.35rem;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.race-success-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.race-success-item-icon {
    font-size: 0.85rem;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
}

.race-success-item-content {
    flex: 1;
    min-width: 0;
}

.race-success-item-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.1rem;
}

.race-success-item-desc {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.race-token-counter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text-dim);
}

.race-token-value {
    color: var(--red);
    font-weight: 600;
    min-width: 3.5rem;
}

/* Race steps (IW side) */
.race-steps {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 1rem;
    max-height: 380px;
    overflow-y: auto;
    scrollbar-width: thin;
}

.race-step {
    display: flex;
    gap: 0.75rem;
    padding: 0.65rem 0;
    opacity: 0;
    transform: translateX(12px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.race-step.visible {
    opacity: 1;
    transform: translateX(0);
}

.race-step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 24px;
}

.race-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--surface);
    transition: all 0.3s;
    flex-shrink: 0;
}

.race-step.visible .race-step-dot {
    background: var(--accent);
    border-color: var(--accent);
}

.race-step-line {
    width: 2px;
    flex: 1;
    background: var(--surface);
    min-height: 8px;
}

.race-step:last-child .race-step-line {
    display: none;
}

.race-step-content {
    flex: 1;
    min-width: 0;
}

.race-step-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

/* === RULE SCAN GRID (prompt side) === */

.race-rule-scan {
    margin-bottom: 1rem;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}

.race-rule-scan.visible {
    opacity: 1;
}

.race-scan-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    margin-bottom: 0.6rem;
}

.race-scan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
}

.race-rule-chip {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--text-dim);
    transition: all 0.4s var(--ease);
    cursor: default;
}

.race-rule-chip-id {
    font-weight: 700;
    min-width: 20px;
}

.race-rule-chip-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.race-rule-chip-status {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    flex-shrink: 0;
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.3s, transform 0.3s var(--ease);
}

.race-rule-chip.scanned .race-rule-chip-status {
    opacity: 1;
    transform: scale(1);
}

.race-rule-chip.correct {
    border-color: rgba(27, 107, 90, 0.3);
    background: rgba(27, 107, 90, 0.06);
    color: var(--accent);
}
.race-rule-chip.correct .race-rule-chip-status {
    background: var(--accent);
    color: white;
}

.race-rule-chip.confused {
    border-color: rgba(217, 119, 6, 0.3);
    background: rgba(217, 119, 6, 0.06);
    color: var(--amber);
}
.race-rule-chip.confused .race-rule-chip-status {
    background: var(--amber);
    color: white;
}

.race-rule-chip.missed {
    border-color: rgba(196, 69, 60, 0.3);
    background: rgba(196, 69, 60, 0.06);
    color: var(--red);
}
.race-rule-chip.missed .race-rule-chip-status {
    background: var(--red);
    color: white;
}

.race-rule-chip.wrong {
    border-color: rgba(196, 69, 60, 0.3);
    background: rgba(196, 69, 60, 0.06);
    color: var(--red);
}
.race-rule-chip.wrong .race-rule-chip-status {
    background: var(--red);
    color: white;
}

.race-scan-summary {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 0.6rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.4s, transform 0.4s var(--ease);
}

.race-scan-summary.visible {
    opacity: 1;
    transform: translateY(0);
}

.race-scan-stat {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.race-scan-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* === FLOW DIAGRAM (IW side) === */

.race-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0.75rem 0;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.race-flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    opacity: 0.25;
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.race-flow-node.active {
    opacity: 1;
    transform: scale(1.08);
}

.race-flow-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-dim);
    transition: all 0.5s var(--ease);
}

.race-flow-node.active .race-flow-circle {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

@keyframes flowNodePulse {
    0% { box-shadow: 0 0 0 0 rgba(27, 107, 90, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(27, 107, 90, 0); }
    100% { box-shadow: 0 0 0 0 rgba(27, 107, 90, 0); }
}

.race-flow-node.active .race-flow-circle {
    animation: flowNodePulse 0.8s ease-out;
}

.race-flow-label {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: color 0.5s;
}

.race-flow-node.active .race-flow-label {
    color: var(--accent);
    font-weight: 600;
}

.race-flow-edge {
    width: 28px;
    height: 2px;
    background: var(--border);
    margin: 0 2px;
    margin-bottom: 1.2rem;
    position: relative;
    transition: background 0.5s var(--ease);
}

.race-flow-edge.active {
    background: var(--accent);
}

.race-flow-edge::after {
    content: '';
    position: absolute;
    right: -2px;
    top: -3px;
    width: 0;
    height: 0;
    border-left: 5px solid var(--border);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: border-left-color 0.5s var(--ease);
}

.race-flow-edge.active::after {
    border-left-color: var(--accent);
}

/* Race step sub-phases (think → query → retrieve → conclude) */
.race-step-phases {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.race-phase {
    display: flex;
    gap: 0.4rem;
    align-items: flex-start;
    font-family: var(--mono);
    font-size: 0.72rem;
    line-height: 1.4;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.race-phase.visible {
    opacity: 1;
    transform: translateY(0);
}

.race-phase-icon {
    flex-shrink: 0;
    width: 16px;
    text-align: center;
    font-weight: 700;
}

.race-phase-text {
    flex: 1;
    min-width: 0;
}

.race-phase-think {
    color: var(--text-dim);
    font-style: italic;
}

.race-phase-think .race-phase-icon {
    color: var(--accent);
}

.race-phase-query {
    color: var(--accent);
    background: rgba(27, 107, 90, 0.04);
}

.race-phase-retrieve {
    color: var(--text-secondary);
    background: rgba(27, 107, 90, 0.06);
    border-left: 2px solid var(--accent);
    padding-left: 0.6rem;
}

.race-phase-conclude {
    color: var(--accent);
    font-weight: 500;
}

/* Race result */
.race-result {
    background: var(--bg-elevated);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text);
    min-height: 3.5rem;
    max-height: 280px;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 0.5s var(--ease);
    scrollbar-width: thin;
}

.race-result.visible {
    opacity: 1;
}

.race-result-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
    display: block;
}

.race-panel-prompt .race-result-label {
    color: var(--red);
}

.race-panel-iw .race-result-label {
    color: var(--accent);
}

.race-error {
    background: rgba(196, 69, 60, 0.08);
    color: var(--red);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    border-bottom: 2px solid var(--red);
    position: relative;
    cursor: help;
}

.race-error-note {
    display: block;
    font-size: 0.72rem;
    color: var(--red);
    font-style: italic;
    margin-top: 0.35rem;
    padding-left: 1rem;
    border-left: 2px solid rgba(196, 69, 60, 0.2);
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.3s, transform 0.3s;
}

.race-error-note.visible {
    opacity: 1;
    transform: translateY(0);
}

.race-correct {
    color: var(--accent);
    font-weight: 500;
}

/* Accuracy bar */
.race-accuracy {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.race-accuracy-bar {
    flex: 1;
    height: 6px;
    background: var(--surface);
    border-radius: 3px;
    overflow: hidden;
}

.race-accuracy-fill {
    height: 100%;
    width: 0%;
    background: var(--red);
    border-radius: 3px;
    transition: width 1.2s var(--ease-out);
}

.race-accuracy-fill-high {
    background: var(--accent);
}

.race-accuracy-label {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.race-accuracy-label strong {
    font-size: 1.1rem;
}

.race-panel-prompt .race-accuracy-label strong {
    color: var(--red);
}

.race-panel-iw .race-accuracy-label strong {
    color: var(--accent);
}

/* Race divider */
.race-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 1.5rem;
    flex-shrink: 0;
}

.race-divider-line {
    width: 1px;
    flex: 1;
    background: var(--border);
}

.race-divider-vs {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-dim);
    padding: 0.75rem 0;
    letter-spacing: 0.08em;
}

/* Race controls */
.race-controls {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.race-replay-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* (cortex + context sections removed — now on cortex.html) */

/* === SECTION 2: WALK THE GRAPH === */

.demo-walk-section {
    background: var(--bg-elevated);
}

.walk-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.walk-scenario-select {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.walk-scenario-select label {
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.walk-scenario-select select {
    font-family: var(--font);
    font-size: 0.9rem;
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A09D98' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
}

.walk-layer-toggles {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.walk-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.walk-toggle input {
    display: none;
}

.walk-toggle-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    transition: opacity 0.2s;
}

.walk-toggle input:not(:checked) + .walk-toggle-dot {
    opacity: 0.25;
}

.walk-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    min-height: 450px;
}

.walk-graph-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.walk-graph-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.walk-right {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.walk-question {
    font-family: var(--serif);
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 1.25rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    line-height: 1.4;
}

.walk-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
}

.walk-step {
    padding: 0.85rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 0.5rem;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), border-color 0.3s;
}

.walk-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.walk-step.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.walk-step.skipped {
    opacity: 0.35;
    border-color: var(--red);
}

.walk-step-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.35rem;
}

.walk-step-num {
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.walk-step-num-l1 { background: #1B6B5A; }
.walk-step-num-l2 { background: #14b8a6; }
.walk-step-num-l3 { background: #C4453C; }

.walk-step-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text);
}

.walk-step-nodes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.35rem;
}

.walk-step-node-chip {
    font-family: var(--mono);
    font-size: 0.68rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.walk-step-result {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    line-height: 1.4;
}

.walk-step-skip-msg {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--red);
    font-weight: 600;
}

.walk-final-answer {
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-top: 0.5rem;
    opacity: 0;
    transition: opacity 0.5s var(--ease);
}

.walk-final-answer.visible {
    opacity: 1;
}

.walk-final-answer-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
    display: block;
}

.walk-final-answer-text {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.5;
}

/* Walk error banner */
.walk-error-banner {
    margin-top: 1.5rem;
    background: rgba(196, 69, 60, 0.05);
    border: 1px solid rgba(196, 69, 60, 0.15);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    display: none;
}

.walk-error-banner.visible {
    display: block;
    animation: fadeInUp 0.4s var(--ease);
}

.walk-error-banner-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--red);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.walk-error-banner-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* === SECTION 3: THE COMPLEXITY CLIFF === */

.demo-cliff-section {
    background: var(--bg);
}

.cliff-container {
    max-width: 800px;
    margin: 0 auto;
}

.cliff-slider-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cliff-slider-label {
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.cliff-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--surface);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.cliff-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.cliff-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.cliff-slider-value {
    font-family: var(--mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    min-width: 2.5rem;
    text-align: right;
}

.cliff-chart-container {
    aspect-ratio: 16 / 8;
    max-height: 380px;
    margin-bottom: 1rem;
}

.cliff-chart-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.cliff-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.cliff-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.cliff-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.cliff-failure {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--red);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    min-height: 3rem;
    transition: border-color 0.3s;
}

.cliff-failure-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.3rem;
    display: block;
}

/* === ANIMATIONS === */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* data-animate: triggered by IntersectionObserver */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

[data-animate].animated {
    opacity: 1;
    transform: none;
}

/* === RESPONSIVE === */

@media (max-width: 1024px) {
    .walk-layout {
        grid-template-columns: 1fr;
    }
    .walk-graph-container {
        min-height: 350px;
    }
}

@media (max-width: 768px) {
    .race-container {
        flex-direction: column;
    }
    .race-divider {
        flex-direction: row;
        padding: 1rem 0;
    }
    .race-divider-line {
        width: auto;
        height: 1px;
        flex: 1;
    }
    .race-divider-vs {
        padding: 0 1rem;
    }
    .race-panel {
        min-height: auto;
    }
    .walk-controls {
        flex-direction: column;
        gap: 1rem;
    }
    .walk-layer-toggles {
        justify-content: center;
    }
    .walk-graph-container {
        min-height: 300px;
    }
    .cliff-slider-row {
        flex-wrap: wrap;
    }
    .cliff-chart-container {
        aspect-ratio: 4 / 3;
    }
}

@media (max-width: 480px) {
    .race-panel {
        padding: 1.25rem;
    }
    .race-prompt-scroll {
        max-height: 160px;
    }
    .race-scan-grid {
        grid-template-columns: 1fr 1fr;
    }
    .race-scan-summary {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .race-flow-edge {
        width: 16px;
    }
    .race-flow-circle {
        width: 28px;
        height: 28px;
        font-size: 0.65rem;
    }
    .race-flow-label {
        font-size: 0.5rem;
    }
    .walk-layer-toggles {
        flex-direction: column;
        gap: 0.5rem;
    }
    .cliff-legend {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}