/* Arcade instruments stay vector-based, offline and independent of game rules. */
.arcade-dialog { --arc-ink: var(--n-100); --arc-muted: var(--n-400); --arc-line: var(--n-800); width: min(1180px,calc(100vw - 40px)); max-width: 1180px; max-height: 90dvh; padding: 0; color: var(--arc-ink); background: var(--n-950); border: 1px solid var(--n-700); border-radius: var(--r-md); box-shadow: var(--sh-3); }
.arcade-dialog::backdrop { background: color-mix(in srgb, var(--n-950) 73%, transparent); backdrop-filter: blur(8px); }
.arcade-dialog button { font: inherit; }
.arcade-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding: 26px 30px 22px; border-bottom: 1px solid var(--arc-line); }
.arcade-kicker { font: 600 var(--fs-xs) var(--font-mono); letter-spacing: .16em; color: var(--accent-on-dark); }
.arcade-dialog h2 { margin: 9px 0; font-size: clamp(20px,2vw,28px); letter-spacing: -.6px; color: var(--n-50); }
.arcade-dialog-head p { margin: 8px 0 0; color: var(--arc-muted); font-size: var(--fs-md); line-height: 1.6; }
.arcade-dialog .arcade-close { flex: none; border: 1px solid var(--arc-line); background: var(--n-850); color: var(--n-150); font-size: var(--fs-4xl); width: 40px; height: 40px; padding: 0; border-radius: var(--r-md); }
.arcade-gallery-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; padding: 24px 30px; }
.arcade-game-card { border: 1px solid var(--n-800); border-radius: var(--r-md); overflow: hidden; background: var(--n-900); display: flex; flex-direction: column; }
.arcade-mini { height: 174px; overflow: hidden; background: radial-gradient(ellipse at 50% 40%,#243957,#101b2c); position: relative; border-bottom: 1px solid #314058; }
.arcade-mini-stage { width: 1200px; height: 720px; position: absolute; left: 50%; top: -6px; transform: translateX(-50%) scale(.27); transform-origin: 50% 0; pointer-events: none; }
.arcade-mini-object { position: absolute; color: var(--component-color); }
.arcade-mini .arcade-cell .game-mark:after {content: '×';color: #6dddce;font-size: 70px}
.arcade-mini .arcade-mini-object:nth-child(3n) .arcade-cell .game-mark:after {content: '○';color: #ffbc67}
.arcade-mini .arcade-mini-object:nth-child(2n) .arcade-cell .game-mark:after {content: ''}
.arcade-mini .arcade-progress,.arcade-mini .arcade-key-name,.arcade-mini .arcade-result-status,.arcade-mini .arcade-cell-id {display: none}
.arcade-mini .arcade-travel {transform: translateX(40%)}
.arcade-mini .arcade-mini-object:nth-child(2n) .arcade-travel {transform: translateX(65%)}
.arcade-card-copy { padding: 18px; display: flex; flex: 1; flex-direction: column; }
.arcade-card-index { color: #a9b9cf; font: var(--fs-2xs) var(--font-mono); line-height: 1.6; }
.arcade-game-card h3 { font-size: var(--fs-3xl); margin: 7px 0; color: var(--n-50); letter-spacing: -.4px; }
.arcade-ready {display: inline-block;margin-left: 7px;padding: 3px 6px;border: 1px solid var(--accent-400);border-radius: var(--r-sm);color: var(--accent-on-dark);font: 700 var(--fs-2xs) var(--font-mono);letter-spacing: .08em;vertical-align: middle}
.arcade-game-card p { font-size: var(--fs-sm); line-height: 1.65; color: var(--z-muted-dark); margin: 0 0 18px; flex: 1; }
.arcade-dialog .arcade-create { display: flex; justify-content: space-between; gap: 8px; align-items: center; text-align: left; border: 1px solid var(--n-600); background: var(--n-800); color: var(--accent-on-dark); width: 100%; padding: 10px 12px; border-radius: var(--r-sm); font-size: var(--fs-sm); }
.arcade-create:hover {filter: brightness(1.2)}
.arcade-gallery-footer { border-top: 1px solid var(--arc-line); padding: 16px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--z-muted-dark); font-size: var(--fs-xs); line-height: 1.6; }
.arcade-dialog .arcade-back {background: var(--n-800);color: var(--n-150);border: 1px solid var(--n-700);white-space: nowrap}
.arcade-dialog button:focus-visible,.arcade-dialog input:focus-visible { outline: 3px solid var(--accent-200); outline-offset: 3px; }
.arcade-config {width: min(800px,calc(100vw - 32px))}
.arcade-config-tabs {display: flex;gap: 6px;padding: 12px 24px;border-bottom: 1px solid var(--arc-line);overflow: auto}
.arcade-config-tabs button {background: transparent;border: 1px solid transparent;color: var(--n-300);white-space: nowrap;font-size: var(--fs-sm);padding: 9px 12px}
.arcade-config-tabs button[aria-pressed="true"] {color: var(--accent-on-dark);background: var(--n-800);border-color: var(--accent-600)}
.arcade-config-body {padding: 24px 30px;color: var(--n-300);min-width: 0;max-width: 100%;box-sizing: border-box}
.arcade-lead {font-size: var(--fs-xl);line-height: 1.65;margin: 0 0 24px}
.arcade-steps {list-style: none;margin: 0;padding: 0}
.arcade-steps li {display: flex;gap: 20px;padding: 18px 0;border-top: 1px solid var(--n-800);font-size: var(--fs-lg);line-height: 1.6}
.arcade-steps li>span {font: var(--fs-2xl) var(--font-mono);color: var(--accent-on-dark);padding-top: 4px}
.arcade-steps p {margin: 0}
.arcade-ladder-kit {display: flex;flex-wrap: wrap;gap: 9px;margin: 22px 0}
.arcade-ladder-kit span {padding: 10px;background: var(--n-800);color: var(--accent-on-dark);font: var(--fs-sm) var(--font-mono);border-radius: var(--r-sm)}
.arcade-note {font-size: var(--fs-sm);line-height: 1.7;color: #aabbd0;margin: 0 0 20px}
.arcade-config fieldset {border: 0;padding: 0;margin: 0;min-width: 0}
.arcade-config label {display: flex;flex-direction: column;gap: 8px;font-size: var(--fs-md);margin-bottom: 20px;color: var(--n-200)}
.arcade-config input:not([type=checkbox]):not([type=radio]):not([type=range]) {background: var(--n-950);color: var(--n-50);border: 1px solid var(--n-700);border-radius: var(--r-sm);padding: 10px;min-width: 0;width: 100%}
.arcade-config .arcade-check {flex-direction: row;align-items: center;gap: 10px}
.arcade-config input[type=checkbox],.arcade-config input[type=radio] {width: 18px;height: 18px;accent-color: var(--ok-line);flex: none}
.arcade-config-body form,.arcade-assets,.arcade-asset-row{min-width: 0;max-width: 100%;box-sizing: border-box}.arcade-assets{margin: 28px 0;border-top: 1px solid var(--n-800);padding-top: 22px}.arcade-assets-head{display: flex;align-items: end;justify-content: space-between;gap: 20px;margin-bottom: 14px}.arcade-assets-head h3{margin: 5px 0;color: var(--n-50);font-size: var(--fs-2xl)}.arcade-assets-head p{margin: 0;color: var(--n-400);font-size: var(--fs-xs);line-height: 1.5}.arcade-assets-head>span{border: 1px solid var(--accent-600);border-radius: 999px;padding: 7px 10px;color: var(--accent-on-dark);font: var(--fs-2xs) var(--font-mono);white-space: nowrap}.arcade-asset-row{display: grid;grid-template-columns: minmax(190px,.8fr) minmax(0,1.6fr);gap: 7px 18px;align-items: center;padding: 14px;border: 1px solid var(--n-800);border-radius: var(--r-md);background: var(--n-900);margin: 9px 0}.arcade-asset-identity{display: flex;align-items: center;gap: 12px;min-width: 0}.arcade-asset-identity>span:last-child{min-width: 0}.arcade-asset-identity strong{display: block;color: var(--n-50);font-size: var(--fs-sm);overflow-wrap: anywhere}.arcade-asset-identity small{display: block;color: var(--accent-on-dark);font: var(--fs-2xs) var(--font-mono);margin-top: 4px}.arcade-asset-preview{display: grid;place-items: center;flex: 0 0 48px;height: 48px;border: 1px solid color-mix(in srgb,var(--asset-color) 60%,var(--n-600));border-radius: var(--r-md);background: color-mix(in srgb,var(--asset-color) 14%,var(--n-950));background-size: cover;background-position: center;color: var(--asset-color);font: bold var(--fs-3xl) var(--font-mono);box-shadow: inset 0 0 18px var(--n-950)}.arcade-asset-preview.has-image{background-color: var(--n-950)}.arcade-asset-controls{display: flex;align-items: center;gap: 7px;flex-wrap: wrap}.arcade-asset-controls .arcade-file-button,.arcade-asset-controls button{display: inline-flex;align-items: center;margin: 0;border: 1px solid var(--n-700);border-radius: var(--r-sm);background: var(--n-850);color: var(--n-200);padding: 8px 10px;font-size: var(--fs-2xs);line-height: 1;cursor: pointer}.arcade-file-button input{position: absolute;width: 1px;height: 1px;opacity: 0;pointer-events: none}.arcade-asset-controls button:disabled{opacity: .35;cursor: not-allowed}.arcade-asset-controls .arcade-audio-preview{color: var(--accent-on-dark);border-color: var(--accent-400)}.arcade-asset-controls .arcade-clear-asset{color: var(--z-muted-dark)}.arcade-asset-status{grid-column: 2;margin: 0;color: var(--n-400);font-size: var(--fs-2xs);line-height: 1.4}.arcade-general-settings{padding: 2px 0 8px}
.arcade-sequence-guide h3,.arcade-lanes-guide>h3,.arcade-edge-explainer h3{margin: 0 0 12px;color: var(--n-50)}.arcade-sequence-guide ol{list-style: none;margin: 0;padding: 0;border-top: 1px solid var(--n-800)}.arcade-sequence-guide li{display: grid;grid-template-columns: 38px 1fr;gap: 12px;padding: 13px 0;border-bottom: 1px solid var(--n-800);line-height: 1.6;font-size: var(--fs-sm)}.arcade-sequence-guide li>span{font: 700 var(--fs-sm) var(--font-mono);color: var(--accent-on-dark)}.arcade-sequence-guide p{margin: 0}.arcade-sequence-guide .arcade-address,.arcade-lane-guide .arcade-address{margin-inline: 3px}.arcade-edge-explainer{margin: 20px 0;padding: 18px;border: 1px solid var(--n-700);border-radius: var(--r-md);background: linear-gradient(135deg,var(--n-850),var(--n-900))}.arcade-edge-explainer p{margin: 12px 0 0;color: var(--z-muted-dark);font-size: var(--fs-sm);line-height: 1.65}.arcade-edge-wave{display: grid;grid-template-columns: repeat(5,minmax(0,1fr));position: relative;margin-top: 14px;padding-top: 18px;gap: 4px}.arcade-edge-wave:before{content: '';position: absolute;left: 4%;right: 4%;top: 8px;height: 2px;background: linear-gradient(90deg,#70859e 0 10%,#77e2bf 10% 42%,#70859e 42% 57%,#77e2bf 57% 100%);clip-path: polygon(0 50%,10% 50%,10% 0,42% 0,42% 100%,57% 100%,57% 0,100% 0,100% 65%,0 65%)}.arcade-edge-wave b{font: var(--fs-2xs) var(--font-mono);color: #9cb0c7;text-align: center}.arcade-lanes-guide{margin-top: 24px}.arcade-lane-guide{margin: 10px 0;border: 1px solid #31445d;border-radius: var(--r-md);background: #162439;overflow: hidden}.arcade-lane-guide header{display: flex;align-items: center;gap: 12px;padding: 13px 15px;border-bottom: 1px solid #2b3e56}.arcade-lane-guide header>span{font: 700 var(--fs-lg) var(--font-mono);color: #7fd9c2}.arcade-lane-guide h4{margin: 0;color: #f0f5fc}.arcade-lane-guide header p{margin: 3px 0 0;font-size: var(--fs-2xs);color: #91a8c1}.arcade-lane-guide dl{display: grid;grid-template-columns: repeat(2,minmax(0,1fr));margin: 0}.arcade-lane-guide dl>div{padding: 11px 15px;border-bottom: 1px solid #293c53}.arcade-lane-guide dl>div:nth-child(odd){border-right: 1px solid #293c53}.arcade-lane-guide dt{color: #9cb0c7;font: var(--fs-2xs) var(--font-mono);text-transform: uppercase;letter-spacing: .08em}.arcade-lane-guide dd{margin: 5px 0 0;color: #cbd7e7;font-size: var(--fs-2xs);line-height: 1.55}
.arcade-theme-picker {display: grid;grid-template-columns: repeat(3,1fr);gap: 12px;margin: 10px 0 22px}
.arcade-config .arcade-file-button input[type=file]{position: absolute !important;width: 1px !important;min-width: 0 !important;height: 1px !important;padding: 0 !important;opacity: 0;pointer-events: none}
.arcade-theme-picker label {padding: 20px 12px;border: 1px solid var(--accent-400);border-radius: var(--r-md);min-height: 90px;justify-content: space-between}
.arcade-theme-midnight{background: #142137}.arcade-theme-chalk{background: #284255}.arcade-theme-picker .arcade-theme-light{background: var(--n-50);color: var(--n-800)}
.arcade-signal-table {overflow: auto;margin-bottom: 20px;max-height: 52dvh}
.arcade-signal-table table {width: 100%;border-collapse: collapse;font-size: var(--fs-sm)}
.arcade-signal-table td,.arcade-signal-table th {padding: 10px 8px;text-align: left;border-bottom: 1px solid var(--n-800)}
.arcade-signal-table th {position: sticky;top: 0;background: var(--n-900);color: var(--n-150);z-index: 1}
.arcade-signal-table td:first-child{width: 120px}.arcade-signal-table td:nth-child(2){min-width: 210px}.arcade-signal-table td:last-child{color: var(--n-400);line-height: 1.6}
.arcade-signal-table small{display: block;font-size: var(--fs-2xs);color: var(--accent-on-dark);margin-top: 5px}
.arcade-address{font: var(--fs-sm) var(--font-mono);color: #a0decd}.arcade-address.output{color: #ffd291}
.arcade-tools {display: flex;gap: 4px;align-items: center}.arcade-tools[hidden]{display: none}
.arcade-tools button {font-size: var(--fs-xs);white-space: nowrap}
#plant-stage[data-arcade-theme]:not([data-arcade-theme=""]) {background-color: #111e32;background-image: radial-gradient(#4b668329 .9px,transparent 1px);background-size: 22px 22px;--arcade-text: #c3d2e7;--arcade-surface: #1b2b44;--arcade-outline: #4c6587;--arcade-subtle: #8da6c7}
#plant-stage[data-arcade-theme="chalk"]{background-color: #243e50;--arcade-text: #e1ebf1;--arcade-surface: #29495e;--arcade-outline: #87a9b9;--arcade-subtle: #afccd6}
#plant-stage[data-arcade-theme="light"]{background-color: #edf3f6;--arcade-text: #22394d;--arcade-surface: #dae5ed;--arcade-outline: #8ea8ba;--arcade-subtle: #486b83}
.arcade-scene-heading {position: absolute;left: 100px;top: 25px;color: var(--arcade-text);pointer-events: none}
.arcade-scene-heading>span {font: var(--fs-2xs) var(--font-mono);letter-spacing: .2em;color: var(--arcade-subtle)}
.arcade-scene-heading strong {display: block;font-size: 32px;letter-spacing: -1px;margin: 7px 0 4px;font-weight: 700}
.arcade-scene-heading p {margin: 0;font-size: var(--fs-md);color: var(--arcade-subtle)}.arcade-scene-heading small{margin-left: 16px;font-size: var(--fs-xs)}
.recreation-workspace #plant-stage .object-caption,.recreation-workspace #plant-stage .object-signal {color: var(--arcade-subtle);font-size: var(--fs-xs);background: transparent}
#plant-stage[data-arcade-game="reactor"] .scene-object[data-kind="score_display"] .object-caption {visibility: hidden}
#plant-stage[data-arcade-game="reactor"] .arcade-scene-heading p {display: none}
#plant-stage.arcade-hide-labels .object-caption,#plant-stage.arcade-hide-labels .object-signal {visibility: hidden}
.recreation-workspace .scene-object .scene-graphic {overflow: visible}
.arcade-control {width: 100%;height: 100%;position: relative;display: grid;place-items: center;border-radius: var(--r-md);border: 2px solid var(--arcade-outline,#4c6587);background: var(--arcade-surface,#1b2b44);color: var(--component-color);padding: 14px;overflow: hidden;box-shadow: 0 5px 0 #08111f70,inset 0 1px 0 #ffffff18;transition: background .14s,box-shadow .14s,transform .1s;touch-action: none}
.arcade-control .arcade-glyph {width: min(55%,80px);height: min(55%,80px)}
.arcade-custom-image{position: absolute;inset: 8%;width: 84%;height: 84%;object-fit: cover;border-radius: var(--r-md);opacity: .56;filter: saturate(.75);pointer-events: none}.scene-graphic .arcade-custom-image{width: 84%;height: 84%;object-fit: cover}.arcade-powered .arcade-custom-image{opacity: 1;filter: saturate(1.15) brightness(1.08)}.arcade-control:has(.arcade-custom-image) .arcade-idle-face,.arcade-control:has(.arcade-custom-image) .arcade-active-face{display: none}
.arcade-idle-face,.arcade-active-face {position: absolute;inset: 0;display: grid;place-items: center;transition: opacity .18s,transform .18s;pointer-events: none}
.arcade-idle-face {opacity: .45}.arcade-active-face{opacity: 0;transform: scale(.85)}
.arcade-key-name {position: absolute;bottom: 12px;font-size: var(--fs-lg);font-weight: 600;color: var(--arcade-text,#d9e7fa)}
.arcade-led {position: absolute;right: 13px;top: 13px;width: 6px;height: 6px;border-radius: 50%;background: currentColor;opacity: .35}
.arcade-powered .arcade-control {background: color-mix(in srgb,var(--component-color) 24%,var(--arcade-surface,#1b2b44));border-color: var(--component-color);box-shadow: 0 0 26px color-mix(in srgb,var(--component-color) 26%,transparent),inset 0 0 22px #ffffff0a}
.arcade-powered .arcade-active-face {opacity: 1;transform: scale(1)}.arcade-powered .arcade-idle-face{opacity: 0}.arcade-powered .arcade-led{opacity: 1;box-shadow: 0 0 12px currentColor}
.scene-object.is-pressed .arcade-control {transform: translateY(3px);box-shadow: inset 0 0 0 3px #f7fbff55}
.arcade-control:focus-visible {outline: 4px solid #fff;outline-offset: 4px}
.arcade-control.arcade-simon {border-radius: var(--r-md); border-color: color-mix(in srgb,var(--component-color) 45%,#243855);border-width: 3px}
.arcade-simon:before {content: '';position: absolute;inset: 12px;border: 1px solid currentColor;border-radius: var(--r-md);opacity: .18}
.arcade-control.arcade-target {border-radius: var(--r-md) var(--r-md) var(--r-md) var(--r-md);background: linear-gradient(0deg,#101928 24%,var(--arcade-surface,#1b2b44) 25%)}
.arcade-target .arcade-idle-face {opacity: .16;transform: translateY(40%)}
.arcade-target .arcade-active-face {transform: translateY(95%);background: var(--component-color);border-radius: 50% 50% 20% 20%;inset: 20% 17% 12%;color: #12273b}
.arcade-powered .arcade-target .arcade-active-face {transform: translateY(0)}
.arcade-control.arcade-card {border-radius: var(--r-md);border-style: double;border-width: 5px;background-image: repeating-linear-gradient(45deg,transparent,transparent 8px,#91adc30a 8px,#91adc30a 10px)}
.arcade-card .arcade-idle-face{opacity: .6}.arcade-card .arcade-active-face{transform: scaleX(0)}.arcade-powered .arcade-card .arcade-active-face{transform: scaleX(1)}
.arcade-control.arcade-cell {border-radius: var(--r-md);background: var(--arcade-surface,#1b2b44)}
.arcade-cell .game-mark {font: 500 84px/1 var(--font-ui);color: #69dbcf}.arcade-cell-id{position: absolute;bottom: 8px;font-size: var(--fs-2xs);color: var(--arcade-subtle,#8da6c7)}
.game-o .arcade-cell .game-mark{color: #ffc274}.game-x.game-o .arcade-cell .game-mark{color: #ff7d8f}
.arcade-result {position: relative;width: 100%;height: 100%;border: 1px solid var(--arcade-outline,#4c6587);border-radius: var(--r-md);background: var(--arcade-surface,#1b2b44);display: flex;flex-direction: column;align-items: center;justify-content: center;gap: 7px;color: var(--component-color);overflow: hidden}
.arcade-result-icon {height: 40%;max-height: 70px;aspect-ratio: 1;opacity: .25}.arcade-glyph{width: 100%;height: 100%;display: block}
.arcade-result-image{display: block;width: 100%;height: 100%;object-fit: contain;border-radius: var(--r-md)}
.arcade-result strong{font-size: var(--fs-xl);font-weight: 600;color: var(--arcade-text,#d9e7fa)}.arcade-result-status{font: var(--fs-2xs) var(--font-mono);text-transform: uppercase;letter-spacing: .1em;color: var(--arcade-subtle,#8da6c7)}
.arcade-powered .arcade-result{border-color: var(--component-color);background: color-mix(in srgb,var(--component-color) 18%,var(--arcade-surface,#1b2b44))}.arcade-powered .arcade-result-icon{opacity: 1}
.arcade-spark{position: absolute;top: 28%;left: 22%;height: 5px;width: 5px;background: currentColor;opacity: 0}.arcade-spark.s2{left: 78%;top: 20%}.arcade-spark.s3{left: 18%;top: 65%}.arcade-spark.s4{left: 85%;top: 72%}
.arcade-powered .arcade-spark{opacity: .8}
.simulation-running [data-arcade-effect="pulse"].arcade-powered .arcade-result-icon{animation: arcade-breathe 1.3s ease-in-out infinite alternate}
.simulation-running [data-arcade-effect="pulse"].arcade-powered .arcade-spark{animation: arcade-sparks 1.6s ease-out infinite}
[data-arcade-effect="halo"].arcade-powered .arcade-result{box-shadow: 0 0 28px color-mix(in srgb,var(--component-color) 30%,transparent)}
.arcade-track {width: 100%;height: 100%;position: relative;overflow: hidden;border: 1px solid var(--arcade-outline,#4c6587);border-radius: var(--r-md);background: var(--arcade-surface,#1b2b44);color: var(--component-color)}
.arcade-track-background{position: absolute;inset: 0;width: 100%;height: 100%;object-fit: cover;opacity: .42;filter: saturate(.8) brightness(.72);pointer-events: none}.scene-graphic .arcade-track-background{object-fit: cover}
.arcade-powered .arcade-track-background{opacity: .58;filter: saturate(1) brightness(.82)}
.arcade-track-grid {position: absolute;inset: 14px 0;background: repeating-linear-gradient(90deg,transparent 0 58px,#899eb926 58px 60px);border-block: 1px dashed #6985a855}
.arcade-start-line{position: absolute;left: 75px;inset-block: 0;border-left: 2px dashed #9eb6ce99}
.arcade-finish-line{position: absolute;right: 50px;inset-block: 0;width: 24px;background: repeating-conic-gradient(#d7e7ec99 0% 25%,#19314788 0% 50%) 50% / 24px 24px}
.arcade-position-start,.arcade-position-finish{display: none}
.arcade-travel {position: absolute;left: 75px;right: 179px;top: 50%;height: 64px;transform: translateX(calc(var(--arcade-progress,0)*100%));margin-top: -32px}
.arcade-ship,.scene-graphic .arcade-ship{width: 105px;height: 64px;filter: drop-shadow(0 0 6px #ffffff25)}.arcade-exhaust{opacity: 0}.arcade-powered .arcade-exhaust{opacity: .8}
.arcade-progress{position: absolute;right: 18px;bottom: 6px;font: var(--fs-2xs) var(--font-mono);color: var(--arcade-text,#c3d2e7)}
.arcade-horse-track{border-radius: var(--r-md);background: linear-gradient(180deg,color-mix(in srgb,var(--component-color) 8%,var(--arcade-surface,#1b2b44)),var(--arcade-surface,#1b2b44))}
.arcade-horse-track .arcade-track-grid{inset: 12px 48px 12px 22px;background: repeating-linear-gradient(90deg,transparent 0 calc(2% - 1px),#91abc21f calc(2% - 1px) 2%);border-block-color: #8aa5bf48}
.arcade-horse-track .arcade-start-line{left: 22px;border-left-style: solid}
.arcade-horse-track .arcade-finish-line{right: 48px;width: 18px;background-size: 18px 18px}
.arcade-horse-track .arcade-travel{left: 22px;right: 170px;height: 66px;margin-top: -33px;display: flex;align-items: center}
.arcade-horse-track .arcade-horse{flex: none;width: 104px !important;height: 64px !important;overflow: visible;filter: drop-shadow(0 5px 5px #050b1488);transform-origin: 50% 70%}
.arcade-horse-image,.scene-graphic .arcade-horse-image{display: block;width: 104px;height: 66px;object-fit: contain;filter: drop-shadow(0 5px 5px #050b1488);pointer-events: none}
.arcade-horse-track .arcade-position-start,.arcade-horse-track .arcade-position-finish{display: block;position: absolute;top: 4px;font: 700 var(--fs-2xs) var(--font-mono);color: var(--arcade-subtle,#8da6c7)}
.arcade-horse-track .arcade-position-start{left: 27px}.arcade-horse-track .arcade-position-finish{right: 22px;color: var(--arcade-text,#c3d2e7)}
.arcade-horse-track .arcade-progress{right: 22px;bottom: 5px;letter-spacing: .03em}
.simulation-running .arcade-powered .arcade-horse{animation: arcade-gallop .18s ease-in-out infinite alternate}
.arcade-vault {width: 100%;height: 100%;position: relative;overflow: hidden;border: 12px solid #41516b;border-radius: var(--r-md);background: #0c1928;box-shadow: inset 0 0 0 3px #748399;color: var(--component-color)}
.arcade-vault-door {position: absolute;inset: 8px;border: 2px solid #70859f;border-radius: var(--r-sm);background: repeating-linear-gradient(0deg,#2d4159 0 3px,#2e425b 3px 6px);transform: translateX(calc(var(--arcade-progress,0)*-108%));display: flex;flex-direction: column;justify-content: center;align-items: center;gap: 30px}
.arcade-vault-ring{width: 40%;aspect-ratio: 1;border-radius: 50%;border: 10px double #899cb4;background: #26394e;padding: 15px;transform: rotate(calc(var(--arcade-progress,0)*180deg))}
.arcade-vault-lock{font: var(--fs-2xs) var(--font-mono);letter-spacing: .17em;color: #b3c3d6}
.arcade-treasure{position: absolute;inset: 20%;display: flex;flex-direction: column;align-items: center;justify-content: center;gap: 20px;color: #ffc970}.arcade-treasure svg{height: 60%;filter: drop-shadow(0 0 20px #ffbc5b88)}.arcade-treasure span{font: var(--fs-xs) var(--font-mono);white-space: nowrap}
.arcade-vault-bolt{position: absolute;right: 0;top: 20%;height: 30px;width: 12px;background: #8197af}.arcade-vault-bolt.b{top: 70%}
@keyframes arcade-breathe{to{transform: scale(1.12);filter: drop-shadow(0 0 9px currentColor)}}
@keyframes arcade-sparks{0%{transform: translateY(10px) rotate(0);opacity: 0}35%{opacity: .85}100%{transform: translateY(-25px) rotate(120deg);opacity: 0}}
@keyframes arcade-gallop{to{transform: translateY(-4px) rotate(-1deg)}}
.arcade-reduced-motion *, .arcade-reduced-motion *:before, .arcade-reduced-motion *:after {animation: none !important;transition: none !important}
@media(prefers-reduced-motion:reduce){.arcade-control,.arcade-idle-face,.arcade-active-face{transition: none}.arcade-powered .arcade-result-icon,.arcade-powered .arcade-spark{animation: none !important}}
@media(max-width:950px){.arcade-gallery-grid{grid-template-columns: repeat(2,minmax(0,1fr))}.arcade-dialog-head{padding: 22px}.arcade-gallery-grid{padding: 20px}.arcade-mini{height: 175px}}
@media(max-width:600px){.arcade-dialog{width: calc(100vw - 16px);max-height: 94dvh;border-radius: var(--r-md)}.arcade-dialog-head{padding: 18px 16px;gap: 12px}.arcade-dialog h2{font-size: var(--fs-3xl)}.arcade-gallery-grid{grid-template-columns: 1fr;padding: 14px;gap: 14px}.arcade-mini{height: 165px}.arcade-gallery-footer{padding: 16px;flex-direction: column;align-items: flex-start}.arcade-config-body{padding: 18px 16px}.arcade-config-tabs{padding: 10px}.arcade-theme-picker{gap: 6px}.arcade-theme-picker label{font-size: var(--fs-xs);padding: 12px 8px}.arcade-tools{flex-wrap: wrap}.arcade-signal-table td:last-child,.arcade-signal-table th:last-child{display: none}.arcade-signal-table td:nth-child(2){min-width: 150px}.arcade-card-copy{padding: 16px}.arcade-assets-head{align-items: flex-start;flex-direction: column}.arcade-asset-row{grid-template-columns: minmax(0,1fr);padding: 12px}.arcade-asset-status{grid-column: 1}.arcade-asset-controls{align-items: stretch}.arcade-asset-controls .arcade-file-button,.arcade-asset-controls button{flex: 1;justify-content: center;min-height: 36px}.arcade-lane-guide dl{grid-template-columns: 1fr}.arcade-lane-guide dl>div:nth-child(odd){border-right: 0}.arcade-edge-wave b{font-size: var(--fs-2xs)}}

.recreation-workspace .scene-object[data-arcade-skin]:not([data-arcade-skin=""]) .object-caption {visibility: hidden}
.arcade-compact-control .arcade-idle-face,.arcade-compact-control .arcade-active-face {display: none}
.arcade-compact-control .arcade-key-name {position: static;font-size: var(--fs-md)}
.arcade-compact-control .arcade-control {border-radius: var(--r-md);padding: 6px}

.arcade-control.arcade-pad {border-radius: var(--r-md)}
.arcade-compact-control .arcade-control.arcade-pad {border-radius: var(--r-md)}

@media(max-width:600px){
  .recreation-workspace .studio-shell .topbar {display: grid;grid-template-columns: 26px minmax(0,1fr) auto;grid-template-rows: 32px 30px;gap: 2px 8px;height: 70px;min-height: 70px;flex-basis: 70px;padding: 3px 8px}
  .recreation-workspace .topbar .brand {grid-column: 1;grid-row: 1}
  .recreation-workspace .topbar .project-heading {grid-column: 2;grid-row: 1;min-width: 0;width: auto}
  .recreation-workspace .topbar .project-heading input {width: 100%;max-width: none}
  .recreation-workspace .topbar .run-controls {grid-column: 3;grid-row: 1}
  .recreation-workspace .topbar .file-actions {grid-column: 1 / span 2;grid-row: 2;display: flex;gap: 6px}
  .recreation-workspace .topbar #connect-board {grid-column: 3;grid-row: 2;min-width: 0;max-width: 140px}
  .recreation-workspace .topbar #connection-summary,.recreation-workspace .topbar #run-state,.recreation-workspace .topbar #step {display: none}
  .recreation-workspace .arcade-tools {order: -1;flex-shrink: 0}
  .recreation-workspace .arcade-tools [data-arcade-panel="signals"],.recreation-workspace .arcade-tools [data-arcade-panel="style"] {display: none}
  .recreation-workspace .plant-toolbar #plant-image-add {display: none}
}
/* The isolated instructional replay uses the same readable light surface as practices. */
.arcade-demo-section{background: var(--n-0);color: var(--n-800);padding: 20px;border-radius: var(--r-md);margin-bottom: 24px;min-width: 0}
.arcade-demo-section>h3{margin: 0 0 8px;color: var(--n-800)}
.arcade-demo-section>p{font-size: var(--fs-lg);line-height: 1.5;color: var(--n-700);margin: 0 0 16px}
@media(max-width:550px){.arcade-demo-section{padding: 12px}}