:root{color-scheme:dark;--bg:#060e19;--surface:#0b1926;--raised:#102334;--ink:#e3f8f3;--muted:#83a7b1;--line:#203b48;--accent:#57f3c1;--accent-ink:#03251e;--food:#ffd571;--danger:#ff718c}
:root[data-theme="light"]{color-scheme:light;--bg:#eaf2f2;--surface:#f8ffff;--raised:#e2efee;--ink:#102d35;--muted:#4c7078;--line:#b5cfce;--accent:#087d64;--accent-ink:#fff;--food:#8e6008;--danger:#b82d4a}
*{box-sizing:border-box}html{min-width:320px;background:var(--bg)}body{margin:0;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:radial-gradient(ellipse at 22% 0%,#13424d55,transparent 55%),var(--bg);min-height:100vh}
button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{opacity:.43;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--food);outline-offset:4px}a{color:var(--accent)}[hidden]{display:none!important}
.arcade-shell{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:25px 0 30px}.site-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.brand strong{font-size:20px;letter-spacing:-.7px}.brand small{display:block;font-size:9px;color:var(--muted);letter-spacing:1.4px;margin-top:4px}.header-controls{display:flex;gap:8px}.icon-button{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--accent);font-size:24px}.sound-toggle svg{width:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.sound-slash{display:none}.sound-toggle[aria-pressed="false"] .sound-slash{display:initial}.sound-toggle[aria-pressed="false"] .sound-wave{display:none}
.game-card{border:1px solid var(--line);border-radius:22px;background:var(--surface);padding:26px;box-shadow:0 28px 80px #0003;overflow:hidden}.game-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--accent);margin:0 0 10px}.eyebrow span{color:var(--muted);letter-spacing:1px;margin-left:16px}h1{margin:0;font-size:34px;letter-spacing:-1.7px;font-weight:800}h1 em{font-style:normal;font-size:20px;color:var(--accent);display:inline-block;border:1px solid var(--line);padding:4px 9px;border-radius:7px;vertical-align:middle;margin-left:5px;letter-spacing:0}.status-light{display:flex;align-items:center;gap:9px;font-size:11px;white-space:nowrap;color:var(--muted)}.status-light i{width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 14px var(--accent)}
.score-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0}.score-strip span{display:block;color:var(--muted);font-size:9px;letter-spacing:1px;margin-bottom:6px}.score-strip strong{font-size:25px;font-weight:600;letter-spacing:1px;font-variant-numeric:tabular-nums}.score-strip small{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0}
.mission-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:24px}.arena-column{min-width:0}.arena-caption{display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:1px;color:var(--muted);margin-bottom:10px;gap:8px}.canvas-frame{position:relative;border:1px solid #255363;border-radius:13px;overflow:hidden;background:radial-gradient(ellipse,#163344,#040817);aspect-ratio:1.17}.canvas-frame>canvas{width:100%;height:100%;display:block;touch-action:none}.view-label{position:absolute;top:13px;left:15px;color:#829fab;pointer-events:none;font-size:8px;letter-spacing:1.5px}.game-overlay{position:absolute;left:50%;bottom:25px;transform:translateX(-50%);width:min(400px,calc(100% - 36px));padding:20px 24px;text-align:center;color:#e7fff7;background:#061321e8;border:1px solid #3d6b6a;border-radius:15px;backdrop-filter:blur(10px);box-shadow:0 15px 40px #0007;pointer-events:auto}.game-overlay.survey{bottom:12px;background:#061321d8;padding:12px 18px;pointer-events:none}.game-overlay.survey button{pointer-events:auto}.game-overlay.survey #overlay-message{display:none}.overlay-kicker{margin:0 0 7px;color:#5cefc2;letter-spacing:3px;font-size:9px}.game-overlay h2{margin:0;font-size:22px;letter-spacing:-.5px}.game-overlay p:not(.overlay-kicker){font-size:12px;line-height:1.8;color:#adc8cb;margin:11px 0 16px}.countdown{position:absolute;inset:0;display:grid;place-items:center;color:#b4ffe8;font-size:90px;font-weight:800;background:#07172733;pointer-events:none;text-shadow:0 0 40px #3fffce}
.primary-button{border:0;background:#59efc0;color:#05271d;font-weight:800;font-size:13px;padding:12px 24px;border-radius:8px;box-shadow:0 0 25px #34ffad18}.navigation-note{min-height:32px;padding:10px 2px 3px;font-size:10px;line-height:1.6;color:var(--muted)}.navigation-note.danger{color:var(--danger)}.effects-strip{display:flex;flex-wrap:wrap;gap:7px;align-items:center;min-height:43px;color:var(--muted);font-size:9px;letter-spacing:.5px;border-bottom:1px solid var(--line);padding:4px 0 10px}.effect-chip{padding:5px 8px;border:1px solid var(--line);border-radius:5px;background:var(--raised);color:var(--ink);font-size:10px}.game-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px}.secondary-button{padding:10px 15px;background:var(--raised);border:1px solid var(--line);border-radius:7px;color:var(--ink);font-size:12px}.text-button{border:0;background:none;color:var(--muted);padding:8px;font-size:11px;text-decoration:underline;text-underline-offset:4px}
.mission-panel{border-left:1px solid var(--line);padding-left:23px;display:flex;flex-direction:column;gap:19px}.objective h2{font-size:19px;margin:0 0 8px}.objective>p:not(.eyebrow){font-size:11px;color:var(--muted);line-height:1.8;margin:0 0 14px}.progress-label{display:flex;justify-content:space-between;font-size:10px}.progress-label strong{color:var(--accent)}progress{width:100%;height:5px;display:block;margin-top:8px;border:0;background:var(--line);border-radius:5px;overflow:hidden;accent-color:var(--accent)}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--accent)}.altitude-row{display:flex;justify-content:space-between;color:var(--muted);font-size:9px;gap:5px}.altitude-row strong{color:var(--accent);font-size:11px}.altitude-bars{display:flex;gap:4px;margin-top:8px}.altitude-bars span{height:5px;background:var(--line);flex:1;border-radius:2px}.altitude-bars span.active{background:var(--accent);box-shadow:0 0 8px #57f3c144}#target-label{font-size:10px;color:var(--food);margin:9px 0 11px}#mini-map{display:block;width:144px;height:144px;border:1px solid var(--line);border-radius:7px;background:#071827;margin:0 auto 8px}.navigation small{display:block;text-align:center;color:var(--muted);font-size:9px;line-height:1.6}.touch-controls{display:grid;grid-template-columns:repeat(4,1fr);grid-template-areas:". f . u" "l b r d";gap:5px}.touch-controls button{background:var(--raised);color:var(--accent);border:1px solid var(--line);border-radius:7px;min-height:42px;position:relative;touch-action:manipulation;font-size:20px;font-weight:700}.touch-controls small{position:absolute;right:5px;bottom:4px;color:var(--muted);font-size:8px;font-weight:400}.touch-controls [data-direction="forward"]{grid-area:f}.touch-controls [data-direction="left"]{grid-area:l}.touch-controls [data-direction="back"]{grid-area:b}.touch-controls [data-direction="right"]{grid-area:r}.touch-controls [data-direction="rise"]{grid-area:u}.touch-controls [data-direction="dive"]{grid-area:d}.touch-controls .vertical{font-size:16px;color:var(--food)}.touch-controls button:active{background:var(--accent);color:var(--accent-ink)}.control-note{font-size:9px;color:var(--muted);line-height:1.9;margin:8px 0 0}
.item-guide{display:flex;flex-wrap:wrap;gap:12px 22px;border-top:1px solid var(--line);padding-top:18px;margin-top:24px;font-size:10px;color:var(--muted)}.item-guide span{display:flex;align-items:center;gap:6px}.item-guide i{display:inline-block;width:8px;height:8px;border-radius:2px}.food-mark{background:#ffd571}.dessert-mark{background:#fb8cdd}.bomb-mark{background:#ec5875;border-radius:50%!important}.item-guide strong{color:var(--ink);font-weight:400}.power-guide{margin-top:18px;padding:13px 15px;border:1px solid var(--line);border-radius:9px;font-size:11px;color:var(--muted);line-height:1.9}.power-guide summary{cursor:pointer;color:var(--ink)}#power-guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}#power-guide-list strong{display:block;color:var(--ink)}.music-panel{margin-top:20px}.payment-panel{font-size:11px;line-height:1.9;color:var(--muted);padding-top:15px}.payment-panel p{margin:0}.payment-link{display:inline-block;padding:8px 0;color:var(--accent);overflow-wrap:anywhere}.storage-note{font-size:9px;color:var(--muted);line-height:1.7;margin:10px 0 0}.storage-note.error{color:var(--danger)}footer{display:flex;justify-content:space-between;gap:12px;padding:22px 2px 0;font-size:9px;letter-spacing:1px;color:var(--muted)}footer a{text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}
.game-card:fullscreen{overflow:auto;border-radius:0;padding:24px;background:var(--surface)}.game-card:fullscreen .mission-layout{max-width:1400px;margin:auto}.game-card:fullscreen .canvas-frame{max-height:76vh}.game-card:fullscreen .music-panel,.game-card:fullscreen .item-guide,.game-card:fullscreen .power-guide{display:none}
@media(hover:hover){button:not(:disabled):hover{filter:brightness(1.15)}.primary-button:hover{box-shadow:0 0 26px #37ffb344}}
@media(max-width:880px){.arcade-shell{width:calc(100% - 28px)}.game-card{padding:20px}.mission-layout{grid-template-columns:minmax(0,1fr) 200px;gap:17px}.mission-panel{padding-left:16px;gap:15px}.eyebrow span{display:none}.canvas-frame{aspect-ratio:.96}.score-strip strong{font-size:22px}}
@media(max-width:640px){.arcade-shell{width:calc(100% - 20px);padding-top:15px}.site-header{margin-bottom:18px}.brand strong{font-size:17px}.brand small{font-size:8px}.brand{gap:8px}.brand-logo{width:35px!important;height:35px!important}.header-controls{gap:5px}.icon-button{width:34px;height:34px;border-radius:8px}.game-card{padding:15px;border-radius:16px}.game-heading{align-items:flex-start}h1{font-size:27px}h1 em{font-size:15px;padding:3px 6px}.status-light{font-size:9px;margin-top:2px;gap:6px}.eyebrow{font-size:8px;letter-spacing:1.5px}.score-strip{gap:10px 5px;margin:18px 0 16px;padding:12px 0}.score-strip span{font-size:7px;letter-spacing:0}.score-strip strong{font-size:19px;letter-spacing:0}.score-strip small{font-size:8px}.mission-layout{display:flex;flex-direction:column;gap:16px}.canvas-frame{aspect-ratio:1.05}.arena-caption{font-size:8px}.view-label{top:10px;left:10px;font-size:6px}.game-overlay{padding:14px 16px;bottom:15px;width:calc(100% - 28px)}.game-overlay h2{font-size:19px}.game-overlay p:not(.overlay-kicker){font-size:10px;margin:9px 0 12px}.game-overlay.survey{padding:8px 12px}.game-overlay.survey h2{font-size:15px}.game-overlay.survey .overlay-kicker{display:none}.game-overlay.survey .primary-button{padding:8px 18px;margin-top:8px}.primary-button{padding:11px 22px}.mission-panel{border-left:0;padding:16px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.objective{grid-column:1}.control-panel{grid-column:1;grid-row:2}.navigation{grid-column:2;grid-row:1 / span 2;align-self:center}.objective h2{font-size:17px}.objective>p:not(.eyebrow){font-size:10px;margin-bottom:10px}.altitude-row{font-size:8px;flex-wrap:wrap}.touch-controls{gap:4px}.touch-controls button{min-height:40px;font-size:17px}.touch-controls small{font-size:7px;right:3px;bottom:2px}.touch-controls .vertical{font-size:14px}#mini-map{width:100%;max-width:144px;height:auto;aspect-ratio:1}.game-actions{gap:7px}.secondary-button{padding:10px 12px;font-size:11px}.item-guide{gap:10px;font-size:9px;margin-top:18px}.item-guide strong{width:100%}.power-guide{font-size:10px}#power-guide-list{grid-template-columns:1fr}.navigation-note{font-size:9px}.effects-strip{font-size:8px}.payment-panel{font-size:10px}.game-card:fullscreen{padding:10px}.game-card:fullscreen .canvas-frame{max-height:none}footer{font-size:7px;letter-spacing:.5px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.mobile-navigation{display:none}
#game-canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
.tutorial-panel{padding:14px 16px;margin-bottom:16px;border:1px solid var(--accent);border-radius:10px;background:var(--raised)}.tutorial-panel h2{font-size:17px;margin:0 0 8px}.tutorial-panel>p:not(.eyebrow){font-size:11px;line-height:1.8;color:var(--muted);margin:0 0 10px}.tutorial-actions{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.tutorial-target{outline:2px solid var(--food)!important;outline-offset:2px;box-shadow:0 0 18px #ffcf5b55!important}.tutorial-focus{outline:1px solid var(--food);outline-offset:5px;border-radius:7px}
.tutorial-speed{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 12px;align-items:center;margin:12px 0;padding:10px 12px;border:1px solid var(--line);border-radius:8px}.tutorial-speed label{grid-column:1 / -1;font-size:11px;display:flex;justify-content:space-between;gap:8px}.tutorial-speed output{color:var(--accent);font-weight:700}.tutorial-speed input{min-width:0;width:100%;min-height:44px;accent-color:var(--accent);cursor:pointer}.tutorial-speed input:focus-visible{outline:2px solid var(--food);outline-offset:2px}.tutorial-speed small{font-size:9px;color:var(--muted)}#tutorial-speed-help{grid-column:1 / -1}
@media(max-width:640px){.tutorial-panel{padding:11px 12px;margin-bottom:12px}.tutorial-panel h2{font-size:15px}.tutorial-panel>p:not(.eyebrow){font-size:10px}.tutorial-actions button{min-height:44px}.tutorial-actions .secondary-button{padding:8px 10px;font-size:10px}.tutorial-actions .text-button{font-size:10px}}
@media(max-width:640px){.mobile-navigation{display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:14px;padding-top:14px}.mobile-navigation .control-panel,.mobile-navigation .navigation{grid-column:auto;grid-row:auto;align-self:start}.mobile-navigation .control-panel{padding-top:4px}.mobile-navigation .touch-controls{gap:5px}.mobile-navigation .touch-controls button{min-height:44px}.mobile-navigation .control-note{font-size:8px}.mobile-navigation #mini-map{width:92px;margin-bottom:0}.mobile-navigation .navigation small{display:none}.mobile-navigation #target-label{font-size:9px;margin:6px 0}.mission-panel{display:block}.effects-strip{min-height:30px;padding-bottom:5px}.navigation-note{min-height:25px;padding-top:7px}.game-actions{margin-top:9px}.score-strip{margin-top:13px}.site-header{margin-bottom:12px}}