*{box-sizing:border-box}html,body{height:100%;margin:0;overscroll-behavior:none;background:#142c2c;color:#f8f6e9;font-family:ui-rounded,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button{font:inherit;cursor:pointer;touch-action:manipulation;min-height:44px;border:0}button:focus-visible{outline:3px solid #ffe39e;outline-offset:3px}
.game{position:relative;width:100%;height:100dvh;min-height:520px;overflow:hidden;background:linear-gradient(#a8d3d5,#cbe9cb)}
#site{display:block;position:absolute;inset:0;width:100%;height:100%;touch-action:none;outline:none}
.brand{position:absolute;top:0;left:0;right:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:calc(env(safe-area-inset-top) + 14px) 16px 14px;background:linear-gradient(#173630e9,#1736300a)}
.brand strong{display:block;font-size:18px}.eyebrow{font-weight:800;font-size:10px;letter-spacing:.12em;color:#9ccfb3}
#view{background:#203f39;color:white;border:1px solid #84a58f77;border-radius:16px;padding:0 13px}
.mission{position:absolute;top:calc(env(safe-area-inset-top) + 78px);left:14px;right:14px;z-index:2;border-radius:20px;padding:14px 17px;background:#f5f3e5f2;color:#234b3a;box-shadow:0 8px 24px #183e3722;max-width:620px}
.missiontop{display:flex;justify-content:space-between;color:#578267;font-size:11px;font-weight:800;letter-spacing:.12em}
.mission h1{margin:8px 0 3px;font-size:clamp(17px,4.5vw,23px);line-height:1.18}
.mission p{margin:0;font-size:13px;line-height:1.3;color:#4c6b58;min-height:16px}
.world-hint{position:absolute;top:37%;left:50%;transform:translateX(-50%);background:#244b41a3;color:#fffadf;border-radius:40px;padding:7px 12px;font-size:12px;white-space:nowrap;pointer-events:none}
.controls{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 12px);left:12px;right:12px;z-index:2;max-width:660px;margin:auto;border:1px solid #a2b6a499;background:#193f35f2;border-radius:23px;padding:12px;box-shadow:0 8px 36px #14312566}
.statusbar{display:flex;align-items:center;justify-content:space-between;margin:0 3px 9px;gap:7px}
.statusbar strong{display:block;font-size:17px;letter-spacing:.02em}
#material-info{font-size:12px;color:#d4ddca;max-width:47%;text-align:right}
.actionrow{display:flex;gap:8px;align-items:stretch}
.actionrow button{border-radius:16px;font-weight:800}
.actionrow .primary{flex:1;background:#e9bd69;color:#2b4034;font-size:16px;min-height:62px;line-height:1.15;padding:6px 10px;box-shadow:inset 0 -5px #cc9b4d}
.actionrow .primary:disabled{opacity:.58}
.actionrow .small{width:46px;flex:0 0 46px;background:#346254;color:#f1f1db;font-size:24px}
.stage-track{height:5px;background:#416a56;border-radius:8px;overflow:hidden;margin-top:12px}.stage-track div{height:100%;width:0;background:#edbf6e;transition:width .5s}
.bottomline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;font-size:11px;color:#c0dbc9}
.bottomline button{background:transparent;color:#def2dd;padding:0 6px;font-size:12px;min-width:49px}
.guide{position:absolute;z-index:10;bottom:calc(env(safe-area-inset-bottom) + 184px);right:16px;left:16px;background:#fff9df;color:#31513d;border-radius:20px;padding:16px;box-shadow:0 5px 20px #16382c99}
.guide p{margin:0 0 10px;font-size:15px}.guide button{background:#365a45;color:white;border-radius:10px;padding:0 14px}
@media(min-width:760px){.controls{left:50%;right:auto;transform:translateX(-50%);width:630px}.mission{left:25px;right:auto;width:430px}.brand{padding-left:25px;padding-right:25px}}
@media(max-height:650px){.mission{top:66px;left:12px;right:auto;width:min(340px,58vw);padding:9px 12px}.mission h1{font-size:16px}.controls{max-width:360px;right:12px;left:auto;bottom:6px;padding:8px}.actionrow .primary{min-height:47px}.world-hint{display:none}}
@media(prefers-reduced-motion:reduce){.stage-track div{transition:none}}

/* CW035 interactive equipment, shown only while driving/positioning, 48px minimum pads. */
#switch-method{color:#f7f5e6;text-decoration:none;font-size:12px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 9px;background:#234d42;border-radius:12px}
.brand{gap:5px}.brand>div{flex:1}.brand strong{font-size:clamp(14px,3.7vw,18px)}.brand #view{flex-shrink:0}
.machine-controls{position:absolute;z-index:5;bottom:calc(env(safe-area-inset-bottom) + 220px);right:14px;background:#173e34ee;border:1px solid #e9bd6988;color:#fff6de;border-radius:16px;padding:9px 10px;box-shadow:0 6px 16px #21472c55;min-width:166px}
.machine-controls[hidden]{display:none}.machine-title{font-size:11px;display:flex;flex-direction:column;gap:3px;max-width:170px}.machine-title strong{font-size:13px}.machine-title span{color:#f2deab;font-size:11px}
.machine-pad{display:grid;grid-template-columns:repeat(3,49px);grid-template-rows:repeat(2,48px);gap:4px;margin-top:8px}.machine-pad button{background:#e9bd69;color:#21463a;border-radius:12px;border:1px solid #ffe4a7;font-size:24px;touch-action:none;user-select:none;-webkit-user-select:none;min-width:48px;min-height:48px}.machine-pad button[data-drive=north]{grid-area:1/2}.machine-pad button[data-drive=west]{grid-area:2/1}.machine-pad button[data-drive=south]{grid-area:2/2}.machine-pad button[data-drive=east]{grid-area:2/3}.machine-pad button.pressed{background:#fcdf91;transform:scale(.96)}
@media(min-width:760px){.machine-controls{right:26px;bottom:220px}}@media(max-height:650px){.machine-controls{right:8px;bottom:155px;transform:scale(.83);transform-origin:bottom right}}

/* CW036 human-first world interaction: no directional pads, no selection arrows. */
.world-instruction{position:absolute;z-index:3;top:calc(env(safe-area-inset-top) + 182px);left:50%;transform:translateX(-50%);background:#1b4940d9;border:1px solid #d6c88b;color:#fff6dd;border-radius:24px;padding:9px 16px;font-size:13px;font-weight:700;text-align:center;pointer-events:none;width:max-content;max-width:calc(100vw - 48px);box-shadow:0 3px 10px #193b3220}
.world-instruction[hidden]{display:none}
.actionrow{justify-content:center}.actionrow .primary{flex:0 1 440px;width:100%;min-height:53px}
.controls{padding:11px 14px;bottom:calc(env(safe-area-inset-bottom) + 10px)}
.statusbar{margin-bottom:7px}.stage-track{margin-top:9px}
.mission{padding:10px 14px;border-radius:17px;max-width:540px}.mission h1{font-size:clamp(16px,4vw,20px);margin:5px 0 2px}.mission p{font-size:12px}
@media(max-height:650px){.world-instruction{top:calc(env(safe-area-inset-top) + 120px);left:10px;right:auto;transform:none;max-width:48vw;font-size:11px}.controls{padding:8px}.actionrow .primary{min-height:47px}}