/* Discrete Curvature Mesh Observatory — Canvas 2D, browser-local */
.page-discrete-curvature-mesh-observatory {
    --dc-ink: #e6f3f0;
    --dc-muted: #9bbab5;
    --dc-dim: #66847f;
    --dc-panel: rgba(7, 19, 23, 0.92);
    --dc-panel-2: rgba(12, 31, 35, 0.96);
    --dc-line: rgba(122, 224, 207, 0.28);
    --dc-line-strong: rgba(122, 224, 207, 0.58);
    --dc-cyan: #78f2df;
    --dc-green: #a8ffbf;
    --dc-amber: #ffe08a;
    --dc-coral: #ff9188;
    --dc-blue: #78aaff;
    --dc-focus: #fff2aa;
    color-scheme: dark;
}

.page-discrete-curvature-mesh-observatory .lab-hero {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 255px);
    gap: 18px;
    padding-top: 18px;
    padding-bottom: 14px;
}

.page-discrete-curvature-mesh-observatory .lab-hero h1 {
    margin-top: 8px;
    font-size: clamp(2rem, 4.2vw, 3.5rem);
}

.page-discrete-curvature-mesh-observatory .lab-hero > *,
.page-discrete-curvature-mesh-observatory .curvature-app,
.page-discrete-curvature-mesh-observatory .curvature-formula-wrap {
    min-width: 0;
}

.page-discrete-curvature-mesh-observatory .curvature-app,
.page-discrete-curvature-mesh-observatory .curvature-formula-wrap {
    width: min(var(--max), calc(100% - 32px));
    margin-inline: auto;
}

.page-discrete-curvature-mesh-observatory .curvature-apparatus,
.page-discrete-curvature-mesh-observatory .curvature-apparatus *,
.page-discrete-curvature-mesh-observatory .curvature-apparatus *::before,
.page-discrete-curvature-mesh-observatory .curvature-apparatus *::after {
    box-sizing: border-box;
}

.page-discrete-curvature-mesh-observatory .curvature-apparatus {
    display: grid;
    grid-template-columns: minmax(0, 1.22fr) minmax(280px, 0.78fr) minmax(235px, 0.72fr);
    grid-template-areas:
        "field operation readout"
        "advanced advanced advanced";
    align-items: stretch;
    overflow: hidden;
    border: 1px solid var(--dc-line);
    background: var(--dc-panel);
    color: var(--dc-ink);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.page-discrete-curvature-mesh-observatory .curvature-apparatus button,
.page-discrete-curvature-mesh-observatory .curvature-apparatus select,
.page-discrete-curvature-mesh-observatory .curvature-apparatus input {
    font: inherit;
}

.page-discrete-curvature-mesh-observatory .curvature-apparatus button,
.page-discrete-curvature-mesh-observatory .curvature-apparatus select,
.page-discrete-curvature-mesh-observatory .curvature-apparatus input[type="range"] {
    touch-action: manipulation;
}

.page-discrete-curvature-mesh-observatory .curvature-apparatus button:focus-visible,
.page-discrete-curvature-mesh-observatory .curvature-apparatus select:focus-visible,
.page-discrete-curvature-mesh-observatory .curvature-apparatus input:focus-visible,
.page-discrete-curvature-mesh-observatory .curvature-apparatus summary:focus-visible,
.page-discrete-curvature-mesh-observatory #curvatureCanvas:focus-visible {
    outline: 3px solid var(--dc-focus);
    outline-offset: 3px;
}

.page-discrete-curvature-mesh-observatory .curvature-field,
.page-discrete-curvature-mesh-observatory .curvature-readout,
.page-discrete-curvature-mesh-observatory .curvature-advanced {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.page-discrete-curvature-mesh-observatory .curvature-field {
    grid-area: field;
    min-width: 0;
    padding: 15px 16px 14px;
    border-right: 1px solid var(--dc-line);
}

.page-discrete-curvature-mesh-observatory .curvature-operation-wrap {
    grid-area: operation;
    min-width: 0;
    border-right: 1px solid var(--dc-line);
    background: rgba(6, 17, 21, 0.74);
}

.page-discrete-curvature-mesh-observatory .curvature-readout {
    grid-area: readout;
    min-width: 0;
    padding: 15px 16px 14px;
}

.page-discrete-curvature-mesh-observatory .curvature-advanced {
    grid-area: advanced;
    min-width: 0;
    padding: 0 16px 16px;
    border-top: 1px solid var(--dc-line);
}

.page-discrete-curvature-mesh-observatory .curvature-route-chip {
    display: inline-block;
    margin: 0 0 9px;
    padding: 4px 7px;
    border: 1px solid rgba(168, 255, 191, 0.38);
    color: var(--dc-green);
    font: 800 0.61rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
    letter-spacing: 0.08em;
}

.page-discrete-curvature-mesh-observatory .curvature-section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
    margin-bottom: 9px;
}

.page-discrete-curvature-mesh-observatory .curvature-section-heading h2 {
    margin: 0;
    color: var(--dc-ink);
    font-size: 1.05rem;
    letter-spacing: 0;
}

.page-discrete-curvature-mesh-observatory .curvature-step-label {
    margin: 0 0 4px;
    color: var(--dc-cyan);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.page-discrete-curvature-mesh-observatory .curvature-grid-note,
.page-discrete-curvature-mesh-observatory .curvature-live-pill {
    flex: 0 0 auto;
    max-width: 48%;
    padding: 5px 7px;
    border: 1px solid var(--dc-line);
    color: var(--dc-muted);
    font: 700 0.62rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
    text-align: right;
}

.page-discrete-curvature-mesh-observatory .curvature-live-pill {
    color: var(--dc-green);
    text-align: center;
}

.page-discrete-curvature-mesh-observatory .curvature-canvas-shell {
    position: relative;
    width: 100%;
    aspect-ratio: 1.38;
    min-height: 310px;
    overflow: hidden;
    border: 1px solid rgba(120, 242, 223, 0.35);
    background:
        radial-gradient(circle at 52% 45%, rgba(47, 136, 145, 0.22), transparent 40%),
        linear-gradient(135deg, #06141b, #0a252a 56%, #041016);
}

.page-discrete-curvature-mesh-observatory #curvatureCanvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
    touch-action: none;
}

.page-discrete-curvature-mesh-observatory #curvatureCanvas.is-dragging {
    cursor: grabbing;
}

.page-discrete-curvature-mesh-observatory .curvature-canvas-legend {
    position: absolute;
    right: 9px;
    bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    max-width: calc(100% - 18px);
    padding: 5px 7px;
    background: rgba(3, 11, 15, 0.84);
    color: #c4d9d5;
    font-size: 0.63rem;
    pointer-events: none;
}

.page-discrete-curvature-mesh-observatory .curvature-canvas-legend span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.page-discrete-curvature-mesh-observatory .curvature-legend-swatch {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
}

.page-discrete-curvature-mesh-observatory .curvature-legend-positive { background: var(--dc-cyan); }
.page-discrete-curvature-mesh-observatory .curvature-legend-boundary { background: var(--dc-amber); }
.page-discrete-curvature-mesh-observatory .curvature-legend-negative { background: var(--dc-coral); }

.page-discrete-curvature-mesh-observatory .curvature-canvas-hint {
    position: absolute;
    left: 9px;
    bottom: 8px;
    max-width: min(70%, 390px);
    margin: 0;
    padding: 5px 7px;
    background: rgba(3, 11, 15, 0.84);
    color: #b8d2ce;
    font-size: 0.64rem;
    line-height: 1.3;
    pointer-events: none;
}

.page-discrete-curvature-mesh-observatory .curvature-field-foot {
    display: grid;
    gap: 7px;
    margin-top: 10px;
    color: var(--dc-muted);
    font-size: 0.73rem;
    line-height: 1.5;
}

.page-discrete-curvature-mesh-observatory .curvature-field-foot p {
    margin: 0;
}

.page-discrete-curvature-mesh-observatory .curvature-field-foot strong {
    color: var(--dc-green);
}

.page-discrete-curvature-mesh-observatory .curvature-field-foot code,
.page-discrete-curvature-mesh-observatory .curvature-formula-wrap code {
    color: var(--dc-amber);
}

.page-discrete-curvature-mesh-observatory .curvature-operation {
    height: 100%;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.page-discrete-curvature-mesh-observatory .curvature-operation h2 {
    margin: 0 0 12px;
    color: var(--dc-ink);
    font-size: 1.02rem;
}

.page-discrete-curvature-mesh-observatory .chamber-status {
    margin-bottom: 13px;
    padding: 10px;
    border: 1px solid var(--dc-line);
    background: rgba(4, 13, 17, 0.62);
}

.page-discrete-curvature-mesh-observatory .chamber-status p {
    margin: 0 0 8px;
    color: var(--dc-cyan);
    font: 800 0.64rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.page-discrete-curvature-mesh-observatory .chamber-status dl,
.page-discrete-curvature-mesh-observatory .curvature-readout-grid,
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid {
    margin: 0;
}

.page-discrete-curvature-mesh-observatory .chamber-status dl {
    display: grid;
    gap: 7px;
}

.page-discrete-curvature-mesh-observatory .chamber-status dl > div {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 7px;
    align-items: baseline;
}

.page-discrete-curvature-mesh-observatory .chamber-status dt,
.page-discrete-curvature-mesh-observatory .chamber-status dd,
.page-discrete-curvature-mesh-observatory .curvature-readout-grid dt,
.page-discrete-curvature-mesh-observatory .curvature-readout-grid dd,
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid dt,
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid dd {
    margin: 0;
}

.page-discrete-curvature-mesh-observatory .chamber-status dt {
    color: var(--dc-dim);
    font: 700 0.61rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.page-discrete-curvature-mesh-observatory .chamber-status dd {
    min-width: 0;
    color: var(--dc-ink);
    font-size: 0.7rem;
    overflow-wrap: anywhere;
}

.page-discrete-curvature-mesh-observatory .curvature-controls {
    display: grid;
    gap: 10px;
}

.page-discrete-curvature-mesh-observatory .curvature-command-head,
.page-discrete-curvature-mesh-observatory .curvature-button-row,
.page-discrete-curvature-mesh-observatory .curvature-transport-row,
.page-discrete-curvature-mesh-observatory .curvature-output-row {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    align-items: center;
}

.page-discrete-curvature-mesh-observatory .curvature-command-head {
    justify-content: space-between;
    color: var(--dc-muted);
    font: 800 0.63rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
    letter-spacing: 0.1em;
}

.page-discrete-curvature-mesh-observatory .curvature-quality-badge {
    padding: 4px 6px;
    border: 1px solid rgba(168, 255, 191, 0.45);
    color: var(--dc-green);
    font-size: 0.6rem;
}

.page-discrete-curvature-mesh-observatory .curvature-preset-grid,
.page-discrete-curvature-mesh-observatory .curvature-lens-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
}

.page-discrete-curvature-mesh-observatory .curvature-lens-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-discrete-curvature-mesh-observatory .curvature-controls button,
.page-discrete-curvature-mesh-observatory .curvature-controls select {
    min-height: 44px;
}

.page-discrete-curvature-mesh-observatory .curvature-controls button {
    padding: 8px 9px;
    border: 1px solid var(--dc-line);
    border-radius: 0;
    background: rgba(11, 31, 35, 0.84);
    color: var(--dc-ink);
    cursor: pointer;
    font-size: 0.67rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.page-discrete-curvature-mesh-observatory .curvature-controls button:hover,
.page-discrete-curvature-mesh-observatory .curvature-controls button[aria-pressed="true"] {
    border-color: var(--dc-line-strong);
    background: rgba(25, 67, 69, 0.9);
    color: var(--dc-green);
}

.page-discrete-curvature-mesh-observatory .curvature-controls button[data-reset],
.page-discrete-curvature-mesh-observatory .curvature-controls button[data-report],
.page-discrete-curvature-mesh-observatory .curvature-controls button[data-png] {
    background: rgba(9, 23, 27, 0.9);
}

.page-discrete-curvature-mesh-observatory .curvature-status-line {
    min-height: 2.6em;
    margin: 0;
    color: var(--dc-muted);
    font-size: 0.71rem;
    line-height: 1.45;
}

.page-discrete-curvature-mesh-observatory .operation-guidance {
    display: grid;
    gap: 7px;
    margin: 12px 0 0;
    padding-left: 1.1rem;
    color: var(--dc-muted);
    font-size: 0.7rem;
    line-height: 1.45;
}

.page-discrete-curvature-mesh-observatory .curvature-readout-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.page-discrete-curvature-mesh-observatory .curvature-readout-grid > div,
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid > div {
    min-width: 0;
    padding: 8px;
    border: 1px solid rgba(122, 224, 207, 0.22);
    background: rgba(8, 23, 27, 0.58);
}

.page-discrete-curvature-mesh-observatory .curvature-readout-grid dt,
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid dt {
    color: var(--dc-dim);
    font: 700 0.6rem/1.35 ui-monospace, SFMono-Regular, Consolas, monospace;
    text-transform: uppercase;
}

.page-discrete-curvature-mesh-observatory .curvature-readout-grid dd {
    margin-top: 3px;
    color: var(--dc-ink);
    font: 800 0.82rem/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
    overflow-wrap: anywhere;
}

.page-discrete-curvature-mesh-observatory .curvature-readout-grid dd[data-tone="pass"],
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid dd[data-tone="pass"] {
    color: var(--dc-green);
}

.page-discrete-curvature-mesh-observatory .curvature-readout-grid dd[data-tone="warn"],
.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid dd[data-tone="warn"] {
    color: var(--dc-amber);
}

.page-discrete-curvature-mesh-observatory .curvature-readout-note {
    margin: 10px 0 0;
    color: var(--dc-muted);
    font-size: 0.7rem;
    line-height: 1.48;
}

.page-discrete-curvature-mesh-observatory .curvature-advanced details {
    padding-top: 12px;
}

.page-discrete-curvature-mesh-observatory .curvature-advanced summary,
.page-discrete-curvature-mesh-observatory .curvature-formula-wrap summary {
    color: var(--dc-ink);
    cursor: pointer;
    font-weight: 800;
}

.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
    margin-top: 11px;
}

.page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid dd {
    margin-top: 3px;
    color: var(--dc-ink);
    font: 700 0.72rem/1.35 ui-monospace, SFMono-Regular, Consolas, monospace;
    overflow-wrap: anywhere;
}

.page-discrete-curvature-mesh-observatory .curvature-diagnostic-wide {
    grid-column: span 2;
}

.page-discrete-curvature-mesh-observatory .curvature-diagnostic-note {
    margin: 10px 0 0;
    color: var(--dc-muted);
    font-size: 0.7rem;
    line-height: 1.48;
}

.page-discrete-curvature-mesh-observatory .curvature-output-row {
    margin-top: 12px;
}

.page-discrete-curvature-mesh-observatory .curvature-output-row button {
    min-width: 104px;
}

.page-discrete-curvature-mesh-observatory .curvature-report-details {
    margin-top: 9px;
}

.page-discrete-curvature-mesh-observatory .curvature-report-details pre {
    max-height: 250px;
    margin: 9px 0 0;
    padding: 10px;
    overflow: auto;
    border: 1px solid var(--dc-line);
    background: #041014;
    color: #cce8e1;
    font: 0.68rem/1.45 ui-monospace, SFMono-Regular, Consolas, monospace;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.page-discrete-curvature-mesh-observatory .curvature-formula-wrap {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.page-discrete-curvature-mesh-observatory .curvature-formula-wrap .formula-note,
.page-discrete-curvature-mesh-observatory .curvature-formula-wrap .lab-observation-guide {
    margin: 0;
}

.page-discrete-curvature-mesh-observatory .curvature-formula-wrap .formula-note p,
.page-discrete-curvature-mesh-observatory .lab-observation-guide p {
    color: var(--dc-muted);
    line-height: 1.55;
}

.page-discrete-curvature-mesh-observatory .curvature-formula-wrap .formula-note p {
    margin-bottom: 0;
}

.page-discrete-curvature-mesh-observatory .lab-observation-guide ul {
    color: var(--dc-muted);
    line-height: 1.55;
}

.page-discrete-curvature-mesh-observatory .lab-observation-guide__note,
.page-discrete-curvature-mesh-observatory .lab-observation-guide__local {
    margin-bottom: 0;
    font-size: 0.78rem;
}

.page-discrete-curvature-mesh-observatory .lab-observation-guide__note {
    color: var(--dc-amber);
}

.page-discrete-curvature-mesh-observatory .lab-observation-guide__local {
    color: var(--dc-green);
}

.page-discrete-curvature-mesh-observatory .curvature-related.panel-line,
.page-discrete-curvature-mesh-observatory .curvature-route.panel-line {
    margin-top: 0;
}

.page-discrete-curvature-mesh-observatory .curvature-app + .curvature-formula-wrap + .lab-lower-grid {
    width: min(var(--max), calc(100% - 32px));
    margin-inline: auto;
}

@media (max-width: 1080px) {
    .page-discrete-curvature-mesh-observatory .curvature-apparatus {
        grid-template-columns: minmax(0, 1.3fr) minmax(275px, 0.8fr);
        grid-template-areas:
            "field operation"
            "readout readout"
            "advanced advanced";
    }

    .page-discrete-curvature-mesh-observatory .curvature-readout {
        border-top: 1px solid var(--dc-line);
    }

    .page-discrete-curvature-mesh-observatory .curvature-operation-wrap {
        border-right: 0;
    }

    .page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .page-discrete-curvature-mesh-observatory .lab-hero {
        grid-template-columns: 1fr;
    }

    .page-discrete-curvature-mesh-observatory .curvature-app,
    .page-discrete-curvature-mesh-observatory .curvature-formula-wrap,
    .page-discrete-curvature-mesh-observatory .curvature-app + .curvature-formula-wrap + .lab-lower-grid {
        width: min(var(--max), calc(100% - 20px));
    }

    .page-discrete-curvature-mesh-observatory .curvature-apparatus {
        grid-template-columns: 1fr;
        grid-template-areas:
            "field"
            "operation"
            "readout"
            "advanced";
    }

    .page-discrete-curvature-mesh-observatory .curvature-field {
        border-right: 0;
    }

    .page-discrete-curvature-mesh-observatory .curvature-operation-wrap {
        border-top: 1px solid var(--dc-line);
        border-right: 0;
    }

    .page-discrete-curvature-mesh-observatory .curvature-canvas-shell {
        min-height: 265px;
        aspect-ratio: 1.14;
    }

    .page-discrete-curvature-mesh-observatory .curvature-section-heading {
        display: block;
    }

    .page-discrete-curvature-mesh-observatory .curvature-grid-note,
    .page-discrete-curvature-mesh-observatory .curvature-live-pill {
        display: inline-block;
        max-width: 100%;
        margin-top: 7px;
        text-align: left;
    }

    .page-discrete-curvature-mesh-observatory .curvature-diagnostic-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-discrete-curvature-mesh-observatory .curvature-diagnostic-wide {
        grid-column: span 2;
    }
}

@media (max-width: 430px) {
    .page-discrete-curvature-mesh-observatory .curvature-field,
    .page-discrete-curvature-mesh-observatory .curvature-readout,
    .page-discrete-curvature-mesh-observatory .curvature-advanced {
        padding-right: 11px;
        padding-left: 11px;
    }

    .page-discrete-curvature-mesh-observatory .curvature-canvas-shell {
        min-height: 245px;
    }

    .page-discrete-curvature-mesh-observatory .curvature-preset-grid,
    .page-discrete-curvature-mesh-observatory .curvature-lens-grid {
        grid-template-columns: 1fr;
    }

    .page-discrete-curvature-mesh-observatory .curvature-readout-grid {
        grid-template-columns: 1fr 1fr;
    }

    .page-discrete-curvature-mesh-observatory .curvature-controls button {
        padding-right: 6px;
        padding-left: 6px;
        font-size: 0.62rem;
    }
}

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