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var(--ease-bounce);align-content:start;gap:6px;padding:12px;display:grid}.starter-card:hover{border-color:var(--paper-3);transform:translateY(-2px)}.starter-card.is-picked{border-color:var(--coral-fill);background:var(--card)}.starter-card:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.starter-picker:focus{outline:1px solid var(--card-edge);outline-offset:-1px}.starter-card strong{font-family:var(--font-display);font-size:16px;font-weight:600}.starter-card small{color:var(--ink-soft);font-size:12.5px;line-height:1.35}.starter-chain{flex-wrap:wrap;align-items:center;gap:4px;margin-top:2px;display:flex}.starter-step{align-items:center;gap:4px;display:inline-flex}.starter-step img{border-radius:8px;width:30px;height:30px}.starter-step i{color:var(--flow-text);font-style:normal;font-weight:700}@media (width<=760px){.starter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.plan-export{max-width:820px;padding:0}.plan-export .modal-scroll{margin:14px 8px 0 0}.plan-close{z-index:1;position:absolute;top:14px;right:14px}.plan-card{background:var(--card);grid-template-columns:minmax(0,1fr);gap:10px;padding:24px 28px 16px;display:grid}.plan-heading{flex-wrap:wrap;align-items:baseline;gap:0 10px;margin:0;padding-right:40px;font-size:26px;display:flex}.plan-heading input{border:0;border-bottom:2px dashed var(--border-control);min-width:0;font:inherit;color:var(--ink);background:0 0;flex:220px;padding:0 2px}.plan-heading input:focus-visible,.plan-table input:focus-visible{border-color:var(--ring)}.plan-map{background:var(--paper);border-radius:var(--r-md);place-items:center;min-height:120px;display:grid;overflow:hidden}.plan-map img{width:100%;height:auto}.plan-table{border-collapse:collapse;width:100%;font-size:14px}.plan-table th,.plan-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--paper-2);padding:8px 6px}.plan-table th{text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);font-size:12px;font-weight:500}.plan-service{white-space:nowrap;font-weight:500}.plan-service img{vertical-align:-7px;border-radius:6px;width:24px;height:24px;margin-right:8px;display:inline-block}.plan-table input{border:1.5px dashed var(--paper-3);background:var(--field);width:100%;font:inherit;color:var(--ink);border-radius:8px;padding:5px 8px}.plan-why{color:var(--ink-soft);margin-top:6px;font-size:13px}.plan-why strong{color:var(--ink);font-weight:600}.plan-sub{margin-top:4px;font-size:17px}.plan-steps{gap:2px;margin:0;padding-left:22px;font-size:14px;display:grid}.plan-sources{color:var(--ink-soft);border-top:1px solid var(--paper-2);padding-top:8px;font-size:12.5px}.plan-actions{background:var(--card);border-top:1px solid var(--paper-2);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;padding:12px 28px 18px;display:flex}.plan-actions p{margin-right:auto}@media (width<=600px){.plan-service{white-space:normal}}.share-dialog{max-width:560px}.share-dialog h2{font-size:26px}.share-link{border:2px solid var(--paper-3);border-radius:var(--r-sm);background:var(--paper);width:100%;color:var(--ink);resize:none;overflow-wrap:anywhere;margin-top:14px;padding:8px 10px;font:500 13px ui-monospace,Menlo,monospace}.share-warn{color:var(--ink-soft);margin-top:8px;font-size:13px}.share-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;margin-top:16px;display:flex}.share-actions p{margin-right:auto}.key-row{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.key-show{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.key-code{border:2px dashed var(--sun);border-radius:var(--r-md);background:var(--sun-soft);min-width:0;color:var(--ink);font:600 24px var(--font-display);letter-spacing:.08em;text-align:center;flex:240px;padding:10px 14px}.key-copied,.key-result{min-height:1.45em;margin-top:6px}.key-result{color:var(--ink-soft);font-size:14px}.key-form{border-top:2px solid var(--paper-2);gap:8px;margin-top:18px;padding-top:18px;display:grid}.key-form h3{font-size:20px}.key-entry{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.key-entry .field{flex:220px}.key-entry input{text-transform:uppercase;letter-spacing:.06em}.key-choice{border-radius:var(--r-md);background:var(--sun-soft);gap:6px;padding:12px 14px;display:grid}.key-choice-actions{flex-wrap:wrap;gap:10px;margin-top:6px;display:flex}.key-choice-actions .btn{white-space:normal}.key-safety{gap:6px;margin-top:6px;display:grid}.key-safety h3{font-size:17px}.key-notice{z-index:50;border-radius:var(--r-lg);background:var(--card);width:min(360px,100vw - 32px);box-shadow:var(--shadow-lg);animation:rise .35s var(--ease-out);align-items:flex-start;gap:12px;padding:14px 16px;display:flex;position:fixed;bottom:16px;left:16px}.key-notice-icon{font-size:26px;line-height:1}.key-notice-body{gap:4px;min-width:0;display:grid}.key-notice-body strong{font-family:var(--font-display);font-size:17px;font-weight:600}.key-notice-code{border:2px dashed var(--sun);border-radius:var(--r-sm);background:var(--sun-soft);font:600 18px var(--font-display);letter-spacing:.06em;justify-self:start;padding:2px 10px}.key-notice-actions{flex-wrap:wrap;gap:8px;margin-top:6px;display:flex}@media (width<=600px){.home-top .btn-label{display:none}.key-code{letter-spacing:.04em;font-size:20px}}.judge-panel{width:388px}.judge-card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow-md);gap:10px;padding:14px;font-size:14px;display:grid}.judge-head{align-items:center;gap:10px;display:flex}.judge-head>div{flex:1;min-width:0}.judge-head h3{font-size:18px}.judge-q{background:var(--paper);border-radius:var(--r-md);justify-items:start;gap:8px;padding:10px 12px;display:grid}.judge-q>strong{font-family:var(--font-display);font-size:15px;font-weight:600}.judge-q textarea{border:2px solid var(--border-control);border-radius:var(--r-sm);background:var(--field);width:100%;color:var(--ink);font:inherit;resize:vertical;padding:7px 9px;font-size:13.5px}.judge-answer{background:var(--card);border-radius:10px;padding:8px 10px;font-size:13.5px;line-height:1.45}.is-good .judge-answer{background:var(--ok-soft)}.is-fix .judge-answer{background:var(--warn-soft)}.judge-answer b{font-weight:600}@media (width<=1180px){.playground-screen .btn-label:not(.btn-label-main){display:none}}@media (width<=600px){.playground-screen .btn-label-main{display:none}.playground-screen .topbar{flex-wrap:wrap;row-gap:6px}.playground-screen .topbar-actions{flex-wrap:wrap;justify-content:flex-end;gap:6px}.starter-grid{grid-template-columns:1fr}.starter-picker,.share-dialog{padding:20px 18px}.goal-card{width:calc(100% - 72px);padding:8px 10px;top:10px;bottom:auto;left:10px}.canvas-dock-right .run-summary{max-width:calc(100vw - 180px);padding:6px 10px}.canvas-dock-right .run-summary .sparky,.goal-hint{display:none}.play-body,.level-body{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,1fr)}.side-panel,.side-panel.is-closed{border-right:none;grid-template-rows:minmax(0,1fr);width:auto}.play-body .side-panel{height:120px}.panel-resizer,.panel-head{display:none}.catalog,.story-panel{border-right:none;border-bottom:2px solid var(--paper-2)}.story-panel{flex-flow:wrap;gap:10px;max-height:210px;padding:10px 12px}.story-panel>*{flex:260px}.inspector{width:auto;padding:12px 12px 32px;left:0;right:0}.plan-card{padding:18px 16px 12px}.plan-actions{padding:10px 16px 14px}.plan-table thead{display:none}.plan-table,.plan-table tbody,.plan-table tr,.plan-table td{width:100%;display:block}.plan-table td{border-bottom:none;padding:4px 0}.plan-table tr{border-bottom:1px solid var(--paper-2);padding:6px 0}.plan-heading{font-size:22px}}.inspector,.story-panel,.catalog,.modal-scroll{scrollbar-width:thin;scrollbar-color:var(--paper-3) transparent}.chapter-list{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);gap:6px;padding:8px;display:grid}.chapter-link{border-radius:var(--r-sm);color:var(--ink);grid-template-columns:auto 1fr;align-items:center;gap:10px;padding:8px 10px;font-size:13.5px;text-decoration:none;display:grid}.chapter-link strong{font-family:var(--font-display);font-size:15px;font-weight:600;display:block}.chapter-link:hover{background:var(--paper)}.chapter-link.is-current{background:var(--sun-soft)}.chapter-link.is-locked{color:var(--ink-faint);cursor:not-allowed}@media (width<=600px){.stop-label{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}}.btn-icon{width:var(--tap);flex:none;justify-content:center;padding:0;font-size:20px}[data-device=phone] .home-top{flex-wrap:wrap;gap:8px;padding-inline:16px}[data-device=phone] .home-top .topbar-actions{gap:8px;margin-left:auto;position:relative}[data-device=phone] .home-top .band-switch{position:static}[data-device=phone] .home-top .band-menu{max-width:calc(100vw - 32px);right:0}[data-device=phone] .topbar{gap:8px;min-height:60px;padding:8px 10px}[data-device=phone] .topbar-title{font-size:18px;line-height:1.15}[data-device=phone] .topbar-title small{margin:0;font-size:12px;display:block}.phone-menu{flex:none;position:relative}.phone-menu-list{background:var(--card);border-radius:var(--r-md);width:min(300px,100vw - 20px);max-height:calc(100dvh - 90px);box-shadow:var(--shadow-lg);z-index:40;animation:pop .2s var(--ease-bounce);gap:2px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto}.phone-menu-list>.btn,.phone-menu-list .band-switch>.btn{width:100%;box-shadow:none;border-color:#0000;justify-content:flex-start}.phone-menu-list>.btn-primary{justify-content:center}[data-device=phone] .phone-menu-list .btn-label,[data-device=phone] .phone-menu-list .band-grades{display:inline}.phone-menu-list .band-menu{width:auto;box-shadow:none;padding:4px 0 0;animation:none;position:static}.phone-menu-list .phone-menu-layout{border-top:1px solid var(--paper-2);border-radius:0 0 var(--r-sm) var(--r-sm);color:var(--ink-soft);margin-top:4px;font-weight:500}[data-device=phone] .level-screen,[data-device=phone] .playground-screen{grid-template-rows:auto minmax(0,1fr) auto}[data-device=phone] .play-body,[data-device=phone] .level-body{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr)}[data-device=phone] .level-screen .canvas .react-flow__controls{margin-top:104px}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;top:0;left:0;overflow:hidden}.mission-bar{z-index:10;background:var(--card);box-shadow:var(--shadow-md);font:inherit;color:inherit;text-align:left;cursor:pointer;border:none;border-radius:20px;align-items:center;gap:8px;padding:6px 12px 6px 6px;display:flex;position:absolute;top:8px;left:8px;right:8px}.mission-bar .sparky{flex:none}.mission-worried{background:var(--bad-soft)}.mission-cheer{background:var(--ok-soft)}.mission-bar-body{flex:1;gap:4px;min-width:0;display:grid}.mission-bar-text{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;line-height:1.3;display:-webkit-box;overflow:hidden}.mission-bar-meta{flex-wrap:wrap;gap:6px;font-size:12px;font-weight:600;display:flex}.mission-bar-meta span{background:var(--paper-2);border-radius:99px;padding:2px 8px}.mission-bar-meta .is-ok{background:var(--ok-soft);color:var(--ok-text)}.mission-bar-meta .is-bad{background:var(--bad-soft);color:var(--bad-text)}[data-device=phone] .canvas-dock-right{width:auto;max-width:none;bottom:8px;left:8px;right:8px}[data-device=phone] .run-summary{width:100%;max-width:none}.phone-info{z-index:10;border-radius:var(--r-lg);max-height:55%;position:absolute;bottom:8px;left:8px;right:8px;overflow-y:auto}.sheet-backdrop{z-index:20;background:rgb(var(--shadow-rgb) / .22);animation:.2s fade;position:absolute;inset:0}.sheet{z-index:21;overscroll-behavior:contain;background:var(--card);border-radius:var(--r-lg) var(--r-lg) 0 0;max-height:calc(100% - 24px);box-shadow:0 -8px 24px rgb(var(--shadow-rgb) / .16);animation:sheet-up .25s var(--ease-out);padding:0 14px 14px;position:absolute;bottom:0;left:0;right:0;overflow-y:auto}.sheet.is-hidden,.sheet-backdrop.is-hidden{visibility:hidden}@keyframes sheet-in{0%{opacity:0;transform:translate(40px)}}@keyframes sheet-up{0%{opacity:0;transform:translateY(40px)}}.sheet-head{z-index:1;background:var(--card);grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:8px;padding:10px 0 8px;display:grid;position:sticky;top:0}.sheet-head h2{font-size:19px}.sheet-head p{color:var(--ink-soft);grid-column:1/-1;font-size:13px}.sheet-close{font-size:16px}.sheet-body{margin-top:4px}html[data-device=phone],html[data-device=phone] body{overscroll-behavior:none}.sheet .dock-wrap-lg{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:14px 10px;padding-top:8px;display:grid}.sheet .dock-wrap-sm{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}.catalog-sheet{gap:12px;display:grid}.catalog-sheet .dock-item{touch-action:pan-y}.sheet .dock-lg{width:auto}.story-sheet{gap:14px;display:grid}.phone-bar{padding:8px 10px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:2px solid var(--paper-2);grid-template-columns:1fr 1fr 1.2fr;gap:8px;display:grid}.phone-tab{border:2px solid var(--paper-3);background:var(--card);min-height:56px;font-family:var(--font-display);color:var(--ink);cursor:pointer;border-radius:16px;justify-content:center;align-items:center;gap:6px;font-size:16px;font-weight:600;display:flex;position:relative}.phone-bar[inert] .phone-tab{opacity:.45}.phone-tab[aria-pressed=true]{border-color:var(--ink);background:var(--paper-2)}.phone-tab-count{background:var(--ink);min-width:22px;height:22px;color:var(--paper);border-radius:99px;place-items:center;padding:0 6px;font-size:12px;display:grid;position:absolute;top:-8px;right:-4px}.phone-bar .btn-run{border-radius:16px;min-width:0;min-height:56px;padding:0 10px;font-size:19px}.phone-bar .btn-run.is-stop{font-size:15px}[data-device=phone] .modal-backdrop.in-canvas{padding:8px}[data-device=phone] .modal-backdrop.in-canvas .modal{max-height:100%;padding:18px;overflow-y:auto}[data-device=phone] .story-card h2{font-size:26px}@media (width<=760px),(height<=600px){.band-picker{padding:18px 14px}.band-picker .sparky{width:64px;height:54px}.band-picker h2{margin:2px 0 4px;font-size:24px}.band-picker>.muted{font-size:14px}.band-cards{grid-template-columns:minmax(0,1fr);gap:8px;margin-top:14px}.band-card{text-align:left;grid-template-columns:40px minmax(0,1fr) auto;grid-template-areas:"icon name grades""icon tag tag";align-items:center;gap:2px 12px;padding:10px 14px;display:grid}.band-card-icon{grid-area:icon;font-size:30px}.band-card strong{grid-area:name;font-size:19px}.band-card em{grid-area:grades;font-size:13px}.band-card>small{grid-area:tag}.band-card-sample{display:none}}[data-device=phone] .piece-name{font-size:22px}[data-device=phone] .piece-sub{display:none}[data-device=phone] .react-flow__handle.nub{width:46px;height:46px}[data-device=phone] .nub-plus{font-size:28px}.turn-tip{z-index:10;background:var(--card);border-radius:var(--r-md);box-shadow:var(--shadow-md);align-items:center;gap:8px;padding:6px 6px 6px 12px;font-size:14px;display:flex;position:absolute;bottom:8px;left:8px;right:8px}.turn-tip>span:nth-child(2){flex:1}[data-sideways] .turn-tip{display:none}[data-sideways] .level-screen,[data-sideways] .playground-screen{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,1fr) auto}[data-sideways] .level-screen>.topbar,[data-sideways] .playground-screen>.topbar{min-height:0;padding:4px calc(10px + env(safe-area-inset-right)) 4px calc(10px + env(safe-area-inset-left));grid-column:1/-1}[data-sideways] .phone-bar{width:calc(104px + env(safe-area-inset-right));padding:8px calc(8px + env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) 8px;border-top:none;border-left:2px solid var(--paper-2);grid-template-columns:none;grid-auto-rows:1fr}[data-sideways] .phone-tab{flex-direction:column;gap:0;min-height:0;font-size:14px}[data-sideways] .phone-bar .btn-run{white-space:normal;min-height:0;font-size:17px}[data-sideways] .mission-bar{width:min(480px,100% - 72px);padding:4px 10px 4px 4px;top:6px;left:6px;right:auto}[data-sideways] .mission-bar .sparky{width:34px;height:34px}[data-sideways] .mission-bar-body{grid-template-columns:minmax(0,1fr) auto;align-items:center}[data-sideways] .mission-bar-text{-webkit-line-clamp:1}[data-sideways] .level-screen .canvas .react-flow__controls{margin-top:15px}[data-sideways] .sheet{border-radius:var(--r-lg) 0 0 var(--r-lg);width:min(400px,60%);max-height:none;box-shadow:-8px 0 24px rgb(var(--shadow-rgb) / .16);animation-name:sheet-in;top:0;left:auto}[data-sideways] .sheet-backdrop{background:rgb(var(--shadow-rgb) / .1)}[data-sideways] .sheet .dock-wrap-lg{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:12px 8px}[data-sideways] .sheet .dock-lg{padding:6px 4px}[data-sideways] .sheet .dock-lg img{width:38px;height:38px}[data-sideways] .phone-info{width:min(380px,100% - 16px);max-height:calc(100% - 64px);left:auto}@media (prefers-reduced-motion:reduce){.sheet,.sheet-backdrop,.phone-menu-list{animation:none}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}