:root{--sat:env(safe-area-inset-top,0px);--sar:env(safe-area-inset-right,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px);--button-scale:1}
html,body{width:100%;height:100%;overscroll-behavior:none}
.game-shell{width:100%;height:100vh;height:100dvh;display:grid;grid-template-areas:'hud' 'mission' 'field' 'controls';grid-template-rows:auto auto minmax(0,1fr) auto;gap:4px;padding:calc(4px + var(--sat)) calc(6px + var(--sar)) calc(4px + var(--sab)) calc(6px + var(--sal));touch-action:auto}
.playfield{grid-area:field;position:relative;min-width:0;min-height:0;overflow:hidden;border:1px solid #7592c444;border-radius:12px;background:#040a20}
#gameCanvas{width:100%;height:100%;touch-action:none;display:block}#gameCanvas:focus-visible{outline:3px solid #ffdf8a;outline-offset:-3px}
button,a,summary,input{ -webkit-tap-highlight-color:transparent}button{min-width:44px;min-height:44px}button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #ffdc83;outline-offset:2px}
.hud{grid-area:hud;position:static;display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto auto;gap:4px;pointer-events:auto;align-items:stretch}
.hud div{min-width:0;padding:4px 5px;border-radius:10px;box-shadow:none}.hud span{font-size:9px}.hud b{font-size:13px;white-space:nowrap}.hud button{padding:4px 8px;border-radius:10px;font-size:12px;box-shadow:none}.hud .fullscreen-icon{font-size:24px;width:44px;padding:0}
.mission-card{grid-area:mission;display:block;position:static;width:auto;min-width:0;padding:5px 8px;border-radius:10px;box-shadow:none;pointer-events:auto}.mission-card h2{font-size:12px;margin:0;line-height:1.3}.mission-card p{font-size:11px;line-height:1.3;margin:2px 0}.mission-card small{display:none}.meter{height:4px;margin:3px 0 0}
.mobile-controls{grid-area:controls;position:static;display:flex;justify-content:space-between;max-width:none;transform:none;padding:4px 0 0;opacity:1;gap:6px}
.movement-controls,.action-controls{display:flex;gap:4px}.mobile-controls button{width:calc(44px * var(--button-scale));height:calc(44px * var(--button-scale));min-width:44px;min-height:44px;border-radius:12px;font-size:12px;font-weight:800;box-shadow:none;touch-action:none;user-select:none}.mobile-controls [data-dir]{font-size:21px}.mobile-controls button[data-held=true]{background:#205471;border-color:#a8efff}.mobile-controls #shootBtn{background:#194858;border-color:#64e6ed}.left-handed .movement-controls{order:2}.left-handed .action-controls{order:1}
.overlay{position:fixed;padding:calc(10px + var(--sat)) calc(10px + var(--sar)) calc(10px + var(--sab)) calc(10px + var(--sal));touch-action:pan-y;overflow:auto}.panel{width:min(600px,100%);max-height:calc(100dvh - var(--sat) - var(--sab) - 20px);overflow:auto;padding:20px;border-radius:22px;overscroll-behavior:contain}.panel h1{font-size:clamp(28px,6vw,48px)}.panel p{font-size:14px;line-height:1.5}.button-row button{min-height:44px}.button-row{gap:7px}.help.visible{display:block}.help{line-height:1.5}
.mission-select{text-align:left;margin-top:12px;border:1px solid #7aa4cd55;border-radius:12px;padding:6px 10px}.mission-select summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font-weight:800}#missionList{display:grid;gap:6px;grid-template-columns:repeat(2,minmax(0,1fr));padding-bottom:6px}#missionList button{border-radius:10px;min-width:0;padding:8px;text-align:left;background:#18334c;color:#def5ff;box-shadow:none;line-height:1.3}#missionList button:disabled{opacity:.45;cursor:default}#saveStatus{font-size:12px;color:#b5e9e9;margin:10px 0 0}
#menuDialog{color:#eef8ff;font:inherit;margin:auto;width:min(570px,calc(100% - var(--sal) - var(--sar) - 20px));max-height:calc(100dvh - var(--sat) - var(--sab) - 20px);overflow:auto;padding:18px;border:1px solid #76c3ec77;border-radius:22px;background:#0b1934;overscroll-behavior:contain}#menuDialog::backdrop{background:#020514dd;backdrop-filter:blur(7px)}#menuDialog h2{margin:0;font-size:25px}#menuDialog p{font-size:13px;line-height:1.5;color:#d1e6f6}#menuDialog label:not(.check){display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-weight:700}#menuDialog input[type=range]{display:block;width:100%;min-height:44px;margin:0;accent-color:#70dfe9;touch-action:pan-x}#menuDialog output{color:#9eece6}#menuDialog .check{display:flex;align-items:center;gap:9px;min-height:44px;line-height:1.4}#menuDialog input[type=checkbox]{width:22px;height:22px;accent-color:#70dfe9}.help-text{margin-bottom:0}
[hidden]{display:none!important}.wga-tab-fullscreen,.wga-tab-status{display:none!important}.toast{max-width:90%;white-space:normal;text-align:center;font-size:13px;padding:10px;pointer-events:none}
@media(min-width:900px) and (min-height:620px){.game-shell{padding-left:max(12px,var(--sal));padding-right:max(12px,var(--sar))}.hud{grid-template-columns:repeat(4,minmax(90px,130px)) auto 44px;justify-content:center}.mission-card{text-align:center}.mission-card small{display:block;margin-top:2px;font-size:11px}.mobile-controls{justify-content:center;gap:70px}.mobile-controls button{width:calc(52px * var(--button-scale));height:calc(48px * var(--button-scale))}}
@media(max-height:450px){.game-shell{gap:2px;padding-top:var(--sat);padding-bottom:var(--sab)}.hud div{padding:2px 4px}.mission-card{padding:2px 6px;display:flex;align-items:center;gap:10px}.mission-card h2{font-size:10px;max-width:35%;flex-shrink:0}.mission-card p{font-size:10px;margin:0}.mission-card .meter{display:none}.mobile-controls{padding-top:0}.panel{padding:12px}.panel h1{font-size:28px}.panel p{margin:8px 0;font-size:12px}.toast{top:40%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Chapter presentation uses the same safe mobile shell as the original route. */
.hero-panel em{font-style:normal;font-size:.57em;display:block;letter-spacing:.03em;color:#9af5ff}.route-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;color:#a5ebff;text-decoration:underline;font-weight:700;padding:4px 8px;border-radius:8px}.route-link:focus-visible{outline:3px solid #ffdc83;outline-offset:2px}
#storyDialog{color:#eef8ff;font:inherit;width:min(600px,calc(100% - var(--sal) - var(--sar) - 20px));max-height:calc(100dvh - var(--sat) - var(--sab) - 20px);overflow:auto;margin:auto;padding:22px;border:1px solid #68dbed88;border-radius:22px;background:linear-gradient(135deg,#142a4c,#120e2c);overscroll-behavior:contain}#storyDialog::backdrop{background:#020515d9}#storyDialog h2{font-size:clamp(22px,5vw,32px);margin:8px 0 14px}#storyDialog p{line-height:1.6;font-size:14px}#storyTask{border-top:1px solid #7be6ff55;padding-top:12px;color:#9ff4ed;font-weight:700}#launchMission{width:100%;min-height:48px}