.autonomy-lab{--td-tick:350ms;--td-leaf:#a9c19a;--td-petal:#edbaa4;--td-pollen:#e6c776;--td-art-ink:#374c31;max-width:1200px;margin:auto;color:var(--ink);border-bottom:1px solid var(--line)}
html[data-theme=dark] .autonomy-lab{--td-leaf:#8da97b;--td-petal:#dca98f;--td-pollen:#d8b76a;--td-art-ink:#263724}
.autonomy-lab,.autonomy-lab *{box-sizing:border-box}.autonomy-lab [hidden]{display:none!important}.td-symbols{position:absolute;width:0;height:0;overflow:hidden}.autonomy-lab svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.autonomy-lab button,.autonomy-lab select{font:inherit;color:var(--ink);cursor:pointer;touch-action:manipulation}.autonomy-lab button:disabled{opacity:.5;cursor:default}.autonomy-lab :focus-visible{outline:3px solid var(--accent);outline-offset:3px}.autonomy-lab ::selection{background:var(--accent);color:var(--button-ink)}.autonomy-lab .td-leaf{fill:var(--td-leaf);stroke:var(--td-art-ink)}.autonomy-lab .td-petal{fill:var(--td-petal);stroke:var(--td-art-ink)}.autonomy-lab .td-pollen{fill:var(--td-pollen);stroke:var(--td-art-ink)}.autonomy-lab .td-eye{fill:var(--td-art-ink);stroke:none}
.td-entry{display:grid;grid-template-columns:1fr 56px auto;gap:36px;align-items:center;list-style:none;padding:30px 40px;cursor:pointer}.td-entry::-webkit-details-marker{display:none}.td-entry h2{font:600 clamp(25px,3vw,34px)/1.4 "Research Display","Songti SC",serif;letter-spacing:-.02em;margin:0;border:0}.td-entry p{font-size:13px;line-height:1.7;color:var(--muted);margin:8px 0 0}.td-entry>svg{width:56px;height:56px;color:var(--accent)}.td-entry>span{font-size:13px;color:var(--accent);min-width:92px}
.td-app{padding:0 40px 30px;font-size:14px;line-height:1.7}.td-app p{margin:0}.td-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 0 22px;border-bottom:1px solid var(--line);font-size:13px}.td-toolbar label{display:flex;gap:14px;align-items:center}.td-toolbar p{font-size:12px;color:var(--muted)}.td-toolbar select{min-height:44px;padding:8px 32px 8px 12px;border:1px solid var(--line);border-radius:6px;background:var(--panel);max-width:100%;font-size:13px}.td-toolbar option{background:var(--panel);color:var(--ink)}.td-level-intro{display:flex;gap:24px;align-items:baseline;margin:24px 0 18px}.td-level-intro h3{font:600 26px/1.4 "Research Display","Songti SC",serif;margin:0;border:0;flex:none}.td-level-intro p{font-size:13px;color:var(--muted);max-width:65ch}
.td-game{max-width:900px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.td-game-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.td-hud{display:flex;gap:28px;align-items:center;font-variant-numeric:tabular-nums}.td-hud>span{display:flex;gap:8px;align-items:baseline}.td-hud small{color:var(--muted);font-size:12px}.td-hud strong{font-size:22px;font-weight:600}.td-hud .td-energy{align-items:center;gap:8px}.td-energy>svg{width:36px;height:36px;fill:var(--td-pollen);color:var(--td-art-ink)}.td-energy>span{display:flex;flex-direction:column;line-height:1.25}.td-energy strong{font-size:28px}.td-demo,.td-tools button,.td-controls button,.td-actions button,.td-reset-box button{min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:6px;background:transparent;font-size:13px}.td-demo{white-space:nowrap}.td-demo:not(:disabled):hover{background:var(--field)}
.td-palette{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;position:sticky;top:118px;z-index:3;padding:8px 0;background:var(--panel)}.td-palette button{position:relative;display:grid;grid-template-columns:60px 1fr;grid-template-rows:1fr 1fr;align-items:center;gap:0 10px;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--canvas);text-align:left;min-height:100px}.td-palette button>svg{grid-row:1/3;width:60px;height:64px;color:var(--ink)}.td-unit-name{font-size:15px;font-weight:600;align-self:end}.td-unit-role{font-size:11px;color:var(--muted);align-self:start}.td-unit-cost{position:absolute;top:4px;right:8px;font-size:12px;font-variant-numeric:tabular-nums}.td-palette button[aria-pressed=true]{border:2px solid var(--accent);background:var(--field);padding:11px}.td-palette button:hover:not(:disabled){border-color:var(--accent)}
.td-planting{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0}.td-choice{font-size:13px;color:var(--ink);max-width:46ch}.td-tools{display:flex;gap:6px;flex:none}.td-tools button{font-size:12px;padding:6px 10px}.td-tools button[aria-pressed=true]{background:var(--accent);color:var(--button-ink);border-color:var(--accent)}
.td-field-heading{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:8px;gap:10px}.td-arena{position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--field);isolation:isolate}.td-grid{display:grid;width:100%;min-width:0;grid-template-columns:repeat(6,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));aspect-ratio:18/7;min-height:210px}.td-cell{position:relative;min-width:0;min-height:0;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0;background:color-mix(in srgb,var(--accent) 8%,var(--panel));padding:0;display:grid;place-items:center;overflow:hidden}.td-cell:nth-child(2n){background:color-mix(in srgb,var(--accent) 15%,var(--panel))}.td-cell:nth-child(n+13){border-bottom:0}.td-cell:nth-child(6n){border-right:0;background:var(--canvas);opacity:1}.td-cell:focus-visible{z-index:2;outline-offset:-4px}.td-cell .td-slot{width:26%;min-width:18px;height:auto;opacity:.5;color:var(--accent)}.td-cell .td-ghost{display:none;position:absolute;inset:12%;width:76%;height:76%;max-width:90px;max-height:100px;margin:auto;opacity:.4;color:var(--td-art-ink)}.td-game[data-mode=plant] .td-cell.can-plant:is(:hover,:focus-visible){box-shadow:inset 0 0 0 2px var(--accent)}.td-game[data-mode=plant] .td-cell.can-plant:is(:hover,:focus-visible) .td-slot{visibility:hidden}.td-game[data-mode=plant] .td-cell.can-plant:is(:hover,:focus-visible) .td-ghost{display:block}.td-cell .td-plant{width:80%;height:80%;max-width:98px;max-height:110px;color:var(--ink);animation:td-root .3s cubic-bezier(.16,1,.3,1)}.td-cell.is-entry>svg{width:24%;height:30px;color:var(--muted)}.td-durability{position:absolute;height:4px;background:var(--accent);bottom:7%;left:20%;width:60%;transform-origin:left;transition:transform .2s}.td-rank{position:absolute;top:5px;right:8px;font-size:10px;font-weight:700;color:var(--accent)}.td-game[data-mode=upgrade] .td-cell.is-occupied:is(:hover,:focus-visible),.td-game[data-mode=reclaim] .td-cell.is-occupied:is(:hover,:focus-visible){box-shadow:inset 0 0 0 2px var(--accent)}
.td-actors{position:absolute;inset:0;pointer-events:none;z-index:1}.td-actors *{pointer-events:none}.td-enemy{position:absolute;transform:translate(-50%,-50%);width:clamp(28px,5vw,48px);height:clamp(28px,5vw,48px);color:var(--ink);transition:left var(--td-tick) linear}.td-enemy>svg{width:100%;height:100%;fill:var(--canvas)}.td-enemy.is-slow{color:var(--accent)}.td-enemy-hp{position:absolute;left:12%;bottom:-5px;width:76%;height:3px;background:var(--ink);transform-origin:left}.td-shot{position:absolute;transform:translate(-50%,-50%);width:9px;height:9px;background:var(--accent);border-radius:50%;transition:left var(--td-tick) linear}
.td-battle-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0 12px}.td-wave-readout{display:grid;gap:4px;flex:1;max-width:360px;font-size:13px}.td-wave-readout small{font-size:11px;color:var(--muted)}.td-wave-readout progress{appearance:none;width:100%;height:5px;border:0;background:var(--field);color:var(--accent);border-radius:0}.td-wave-readout progress::-webkit-progress-bar{background:var(--field)}.td-wave-readout progress::-webkit-progress-value{background:var(--accent)}.td-wave-readout progress::-moz-progress-bar{background:var(--accent)}.td-actions{display:flex;gap:8px;flex:none}.td-actions .td-primary{background:var(--accent);border-color:var(--accent);color:var(--button-ink);font-weight:600;min-width:124px}.td-actions button:hover:not(:disabled),.td-controls button:hover:not(:disabled){background:var(--field);color:var(--ink)}.td-status{font-size:13px;min-height:44px;max-width:75ch;padding:10px 0;border-top:1px solid var(--line)}.td-game[data-phase=won] .td-status{font-weight:600;color:var(--accent)}.td-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:10px 0 0}.td-controls button{font-size:12px;padding:7px 11px}.td-controls>span{font-size:11px;color:var(--muted);margin-left:auto}.td-response{font-size:12px;color:var(--accent);min-height:24px;max-width:75ch;margin-top:8px!important}
.td-guide{border-top:1px solid var(--line);margin-top:22px;padding-top:12px;font-size:13px;color:var(--muted)}.td-guide>summary{cursor:pointer;min-height:44px;padding:10px 0;color:var(--ink)}.td-guide p{max-width:75ch;margin:10px 0!important;line-height:1.8}.td-guide a{color:var(--accent);min-height:44px;padding:8px 0;display:inline-block;text-underline-offset:4px}.td-guide-body{display:grid;grid-template-columns:1fr 1fr;gap:32px}.td-collection{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0}.td-collection button{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:6px;background:transparent;min-height:52px;text-align:left;font-size:13px}.td-collection button[aria-current=true]{border-color:var(--accent)}.td-awards{display:flex;gap:2px;flex:none;color:var(--accent)}.td-awards svg{width:11px;height:11px}.td-awards .earned{fill:currentColor}.td-save{font-size:12px;color:var(--muted);margin-top:18px!important}.td-reset{min-height:44px;border:0;background:transparent;color:var(--muted)!important;text-decoration:underline;text-underline-offset:4px;font-size:12px!important;padding:8px 0}.td-reset-box{background:var(--panel);padding:16px}.td-reset-box button{margin-right:8px}
@keyframes td-root{from{clip-path:inset(100% 0 0);transform:translateY(8px)}to{clip-path:inset(0);transform:translateY(0)}}
@media(max-width:1000px){.td-palette button{grid-template-columns:44px 1fr;padding:10px;gap:0 6px}.td-palette button[aria-pressed=true]{padding:9px}.td-palette button>svg{width:44px;height:54px}.td-unit-name{font-size:13px}.td-unit-role{font-size:10px}.td-level-intro{display:block}.td-level-intro h3{margin-bottom:8px}}
@media(max-width:650px){.td-entry{padding:24px 22px;grid-template-columns:1fr 46px;gap:14px}.td-entry>svg{width:46px;height:46px}.td-entry>span{grid-column:1/-1}.td-entry p{font-size:12px}.td-app{padding:0 12px 26px}.td-toolbar{flex-direction:column;align-items:flex-start;gap:8px}.td-toolbar label{justify-content:space-between;width:100%}.td-toolbar select{max-width:68%;min-width:0}.td-level-intro{margin:20px 0 14px}.td-level-intro h3{font-size:24px}.td-game{padding:10px;border-radius:12px}.td-game-head{gap:8px;flex-wrap:wrap;margin-bottom:4px}.td-hud{gap:14px;flex:1}.td-hud>span{flex-direction:column;gap:0;line-height:1.3}.td-hud small{font-size:10px}.td-hud strong{font-size:18px}.td-hud .td-energy{flex-direction:row;gap:5px}.td-energy>svg{width:28px;height:28px}.td-energy strong{font-size:24px}.td-demo{font-size:11px;padding:6px 8px}.td-palette{gap:5px;top:113px}.td-palette button{display:flex;flex-direction:column;justify-content:center;gap:0;padding:8px 2px 5px;min-height:106px;text-align:center;border-radius:8px}.td-palette button[aria-pressed=true]{padding:7px 1px 4px}.td-palette button>svg{width:44px;height:46px;margin-bottom:2px}.td-unit-name{font-size:12px;align-self:auto}.td-unit-role{font-size:9px;align-self:auto}.td-unit-cost{top:1px;right:5px;font-size:10px}.td-planting{flex-direction:column;align-items:stretch;gap:7px;padding:8px 0 10px}.td-choice{font-size:11px;min-height:19px}.td-tools{gap:6px}.td-tools button{flex:1;min-height:44px;font-size:11px;padding:5px}.td-field-heading{font-size:10px}.td-grid{min-height:210px}.td-cell .td-slot{width:34%}.td-durability{height:3px;left:18%;width:64%;bottom:8%}.td-cell .td-plant{width:94%;height:82%}.td-enemy{width:30px;height:30px}.td-battle-bar{gap:12px;align-items:center;padding:12px 0}.td-wave-readout{font-size:12px;min-width:0}.td-wave-readout small{font-size:10px}.td-actions{gap:6px}.td-actions button{font-size:12px;padding:8px 10px}.td-actions .td-primary{min-width:108px}.td-status{font-size:12px;min-height:56px}.td-controls button{font-size:11px;padding:6px 8px}.td-controls>span{font-size:10px}.td-response{font-size:11px}.td-guide-body{grid-template-columns:1fr;gap:0}.td-collection{grid-template-columns:1fr 1fr}.td-collection button{font-size:12px;padding:10px}}
@media(prefers-reduced-motion:reduce){.autonomy-lab *{animation:none!important;transition:none!important}}html[data-motion=off] .autonomy-lab *{animation:none!important;transition:none!important}@media print{.autonomy-lab{display:none!important}}