.page-causal-cone-observatory .lab-hero {
    margin-bottom: clamp(1rem, 2vw, 1.6rem);
}

.page-causal-cone-observatory .site-header {
    background: rgba(5, 7, 8, 0.96);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
}

.page-causal-cone-observatory .lab-hero h1 {
    max-width: 24ch;
    font-size: clamp(2.2rem, 4.4vw, 3.7rem);
    line-height: 1;
}

.page-causal-cone-observatory .lab-status-panel span {
    max-width: 22ch;
    overflow-wrap: anywhere;
}

.page-causal-cone-observatory .causal-app,
.page-causal-cone-observatory .causal-lower-grid {
    width: calc(100% - 32px);
    max-width: 1180px;
    margin-inline: auto;
    min-width: 0;
}

.causal-app,
.causal-app * {
    box-sizing: border-box;
}

.causal-app {
    display: grid;
    gap: clamp(1rem, 2vw, 1.6rem);
}

.causal-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.85fr);
    gap: clamp(1rem, 2vw, 1.5rem);
    align-items: start;
    min-width: 0;
}

.causal-stage,
.causal-controls {
    min-width: 0;
    padding: clamp(0.85rem, 2vw, 1.25rem);
}

.causal-stage {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 20% 24%, rgba(120, 246, 231, 0.08), transparent 32%),
        radial-gradient(circle at 78% 74%, rgba(255, 217, 138, 0.06), transparent 32%);
}

.causal-stage__head,
.control-heading,
.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.causal-stage__head h2,
.control-heading h2,
.causal-notes h2 {
    margin: 0.2rem 0 0;
    color: var(--text);
    line-height: 1.18;
}

.causal-stage__head h2 {
    font-size: clamp(1.25rem, 2.4vw, 1.8rem);
}

.causal-stage__head p:not(.eyebrow) {
    max-width: 68ch;
    margin: 0.55rem 0 0;
    color: var(--muted);
    line-height: 1.55;
}

.causal-state {
    flex: 0 0 auto;
    min-width: 8.8rem;
    padding: 0.52rem 0.68rem;
    border: 1px solid var(--line-strong);
    color: var(--cyan);
    background: rgba(120, 246, 231, 0.055);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-align: center;
}

.causal-state[data-state="running"],
.causal-state[data-state="reachable"] {
    border-color: rgba(168, 255, 191, 0.62);
    color: var(--green);
    box-shadow: 0 0 24px rgba(168, 255, 191, 0.14);
}

.causal-state[data-state="blocked"],
.causal-state[data-state="collision"] {
    border-color: rgba(255, 217, 138, 0.58);
    color: var(--amber);
}

.causal-canvas-frame {
    width: 100%;
    height: clamp(320px, 38vw, 500px);
    margin-top: 1rem;
    overflow: hidden;
    border: 1px solid rgba(120, 246, 231, 0.24);
    background: #030708;
}

#causalCanvas {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    outline: none;
    background: #030708;
    touch-action: none;
}

#causalCanvas:focus-visible {
    box-shadow: inset 0 0 0 2px var(--cyan), 0 0 0 2px rgba(120, 246, 231, 0.26);
}

.canvas-help,
.control-help {
    color: var(--dim);
    line-height: 1.5;
}

.canvas-help {
    margin: 0.62rem 0 0;
    font-size: 0.76rem;
}

.causal-live {
    min-height: 2.5rem;
    margin: 0.75rem 0 0;
    padding: 0.62rem 0.75rem;
    border-left: 2px solid var(--cyan);
    color: var(--muted);
    background: rgba(120, 246, 231, 0.045);
    font-size: 0.78rem;
    line-height: 1.45;
}

.causal-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.58rem;
    margin: 0.85rem 0 0;
}

.causal-metrics div {
    min-width: 0;
    padding: 0.7rem;
    border: 1px solid var(--line);
    background: rgba(3, 8, 9, 0.58);
}

.causal-metrics dt {
    color: var(--dim);
    font-size: 0.66rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.causal-metrics dd {
    margin: 0.32rem 0 0;
    color: var(--text);
    font: 700 clamp(0.8rem, 1.65vw, 1rem)/1.25 ui-monospace, SFMono-Regular, Consolas, monospace;
    overflow-wrap: anywhere;
}

.causal-controls {
    position: sticky;
    top: 82px;
    display: grid;
    gap: 1rem;
    max-height: calc(100vh - 94px);
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-gutter: stable;
}

.control-heading h2 {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.causal-controls .section-heading h3,
.range-stack h3,
.shortcut-note h3,
.transition-log h3 {
    margin: 0;
    color: var(--text);
    font-size: 0.78rem;
    letter-spacing: 0.09em;
}

.section-heading span,
#runReadout,
#modeReadout {
    color: var(--green);
    font: 700 0.72rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
    letter-spacing: 0.08em;
    text-align: right;
}

.causal-control-group,
.range-stack,
.shortcut-note,
.transition-log {
    min-width: 0;
    padding: 0.85rem;
    border: 1px solid var(--line);
    background: rgba(3, 8, 9, 0.45);
}

.causal-control-group {
    display: grid;
    gap: 0.65rem;
}

.causal-app button {
    min-width: 0;
    min-height: 44px;
    padding: 0.58rem 0.7rem;
    border: 1px solid var(--line-strong);
    border-radius: 0;
    color: var(--text);
    background: rgba(120, 246, 231, 0.055);
    font: inherit;
    line-height: 1.25;
    cursor: pointer;
    overflow-wrap: anywhere;
    touch-action: manipulation;
}

.causal-app button:hover,
.causal-app button:focus-visible {
    border-color: var(--cyan);
    outline: none;
    box-shadow: 0 0 0 2px rgba(120, 246, 231, 0.18);
}

.causal-app button.is-active,
.causal-app button[aria-pressed="true"] {
    border-color: rgba(120, 246, 231, 0.72);
    color: var(--cyan);
    background: rgba(120, 246, 231, 0.12);
}

.causal-app .primary-control {
    border-color: rgba(120, 246, 231, 0.58);
    color: var(--cyan);
    background: rgba(120, 246, 231, 0.1);
}

.mode-grid,
.lens-grid,
.causal-action-grid {
    display: grid;
    gap: 0.55rem;
}

.mode-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lens-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.causal-action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.control-help {
    margin: 0;
    font-size: 0.76rem;
}

.range-stack {
    display: grid;
    gap: 0.78rem;
}

.range-stack label {
    display: grid;
    gap: 0.42rem;
    color: var(--muted);
    font-size: 0.78rem;
}

.range-stack label > span {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    overflow-wrap: anywhere;
}

.range-stack output {
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    white-space: nowrap;
}

.range-stack input[type="range"] {
    width: 100%;
    min-height: 44px;
    accent-color: var(--cyan);
}

.range-stack input[type="range"]:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
}

.shortcut-note p {
    margin: 0.62rem 0 0;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.6;
}

.shortcut-note kbd {
    display: inline-block;
    padding: 0.08rem 0.32rem;
    border: 1px solid var(--line-strong);
    color: var(--cyan);
    background: rgba(120, 246, 231, 0.06);
    font: inherit;
}

.transition-log ol {
    display: grid;
    gap: 0.45rem;
    max-height: 10rem;
    margin: 0.7rem 0 0;
    padding: 0;
    overflow: auto;
    list-style: none;
}

.transition-log li {
    padding-left: 0.65rem;
    border-left: 2px solid rgba(120, 246, 231, 0.28);
    color: var(--muted);
    font-size: 0.76rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.transition-log li:first-child {
    border-left-color: var(--cyan);
    color: var(--text);
}

.causal-notes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(0.8rem, 1.8vw, 1.2rem);
}

.causal-notes article,
.causal-lower-grid > * {
    min-width: 0;
    padding: clamp(0.9rem, 2vw, 1.2rem);
}

.causal-notes h2 {
    font-size: clamp(1rem, 1.8vw, 1.24rem);
}

.causal-notes p,
.causal-notes li {
    color: var(--muted);
    line-height: 1.62;
}

.causal-notes ul {
    margin: 0.65rem 0 0;
    padding-left: 1.15rem;
}

.formula-card code {
    color: var(--green);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    overflow-wrap: anywhere;
}

.causal-lower-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(0.8rem, 1.8vw, 1.2rem);
    margin: clamp(1rem, 2vw, 1.6rem) auto 0;
}

.page-causal-cone-observatory .related-lab-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 900px) {
    .causal-layout {
        grid-template-columns: 1fr;
    }

    .causal-controls {
        position: static;
        max-height: none;
        overflow-y: visible;
        overscroll-behavior-y: auto;
        scrollbar-gutter: auto;
    }

    .causal-notes {
        grid-template-columns: 1fr 1fr;
    }

    .causal-notes .formula-card {
        grid-column: 1 / -1;
    }
}

@media (max-width: 620px) {
    .page-causal-cone-observatory .lab-hero {
        gap: 0.75rem;
        padding: 1rem 0 0.75rem;
    }

    .page-causal-cone-observatory .lab-hero__copy > .eyebrow {
        margin-bottom: 0.45rem;
    }

    .page-causal-cone-observatory .lab-hero__copy > p:last-child {
        margin-top: 0.45rem;
        font-size: 0.84rem;
        line-height: 1.35;
    }

    .page-causal-cone-observatory .lab-route {
        margin: 0.25rem 0 0.5rem;
        padding: 0.3rem 0.45rem;
    }

    .page-causal-cone-observatory .lab-status-panel {
        padding: 0.65rem 0.75rem;
    }

    .page-causal-cone-observatory .lab-hero h1 {
        font-size: clamp(1.65rem, 9vw, 2.35rem);
        overflow-wrap: anywhere;
    }

    .causal-stage,
    .causal-controls {
        padding: 0.78rem;
    }

    .causal-stage__head,
    .control-heading {
        display: grid;
        gap: 0.65rem;
    }

    .causal-stage__head p:not(.eyebrow) {
        margin-top: 0.4rem;
        line-height: 1.4;
    }

    .causal-state {
        width: 100%;
        min-width: 0;
        text-align: left;
    }

    .causal-canvas-frame {
        height: clamp(320px, 78vw, 400px);
        margin-top: 0.75rem;
    }

    .causal-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .causal-notes,
    .causal-lower-grid {
        grid-template-columns: 1fr;
    }

    .causal-notes .formula-card {
        grid-column: auto;
    }

    .page-causal-cone-observatory .related-lab-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 420px) {
    .page-causal-cone-observatory .lab-hero {
        gap: 0.35rem;
        padding: 0.35rem 0 0.55rem;
    }

    .page-causal-cone-observatory .lab-hero h1 {
        font-size: clamp(1.5rem, 8.5vw, 2.1rem);
        line-height: 1.02;
    }

    .page-causal-cone-observatory .lab-hero__copy > p:last-child {
        font-size: 0.76rem;
        line-height: 1.3;
    }

    .page-causal-cone-observatory .lab-route {
        margin: 0.15rem 0 0.35rem;
        padding: 0.25rem 0.4rem;
    }

    .page-causal-cone-observatory .lab-route .lab-route__details {
        margin-top: 4px;
    }

    .page-causal-cone-observatory .lab-status-panel {
        padding: 0.55rem 0.65rem;
    }

    .page-causal-cone-observatory .lab-status-panel strong {
        margin-top: 4px;
    }

    .causal-stage,
    .causal-controls {
        padding: 0.66rem;
    }

    .causal-stage__head {
        gap: 0.55rem;
    }

    .causal-stage__head h2 {
        font-size: 1.18rem;
    }

    .causal-stage__head p:not(.eyebrow) {
        margin-top: 0.35rem;
    }

    .causal-state {
        padding: 0.4rem 0.5rem;
    }

    .causal-canvas-frame {
        height: 300px;
        margin-top: 0.55rem;
    }

    .canvas-help {
        margin-top: 0.45rem;
    }

    .causal-live {
        min-height: 2.2rem;
        margin-top: 0.55rem;
        padding: 0.5rem 0.6rem;
    }

    .causal-metrics {
        margin-top: 0.65rem;
    }

    .causal-controls {
        gap: 0.75rem;
    }

    .causal-control-group,
    .range-stack,
    .shortcut-note,
    .transition-log {
        padding: 0.68rem;
    }

    .causal-app button {
        padding-inline: 0.45rem;
    }

    .causal-metrics {
        gap: 0.45rem;
    }

    .causal-metrics div {
        padding: 0.58rem;
    }

    .mode-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .causal-action-grid,
    .lens-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .page-causal-cone-observatory .causal-app,
    .page-causal-cone-observatory .causal-lower-grid {
        width: calc(100% - 22px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .causal-app,
    .causal-app *,
    .causal-app *::before,
    .causal-app *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
    }
}