:root{color-scheme:dark;--bg:#101322;--panel:#191e33;--panel2:#222943;--line:#353e60;--text:#f3f5ff;--muted:#a1abc5;--accent:#ffd45e;--accent2:#ff9d55;--purple:#a789ff;--success:#77e0ac;--canvas-scale:1}
*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--bg)}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 50% -24%,#31375a 0,transparent 58%),var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;user-select:none}button,a{font:inherit}button{color:inherit}.app-shell{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:18px 0 14px}.topbar{height:48px;display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-size:13px;font-weight:850;letter-spacing:.12em}.brand b{color:var(--accent)}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid #7069a4;border-radius:11px;background:linear-gradient(145deg,#725bd0,#332f57);font-size:11px;letter-spacing:0}.top-actions{display:flex;gap:8px}.tool-button,.toolbar-button,.hud-pause,.dialog-close{border:1px solid var(--line);background:#1b2035;border-radius:10px;cursor:pointer;transition:transform .16s,border-color .16s,background .16s}.tool-button{height:36px;padding:0 12px}.tool-button:hover,.toolbar-button:hover,.hud-pause:hover{border-color:var(--purple);transform:translateY(-1px)}.tool-button span{font-size:12px;color:var(--muted);margin-left:3px}
.game-stage{border:1px solid #343b58;border-radius:19px;background:linear-gradient(180deg,#1b2035,#15192a);padding:13px;box-shadow:0 22px 60px #07091288}.game-hud{height:45px;display:flex;align-items:center;gap:30px;padding:0 7px 11px}.game-hud>div{display:grid;line-height:1.1;gap:4px}.hud-label{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.game-hud strong{font-size:14px}.game-hud small{font-size:10px;color:var(--muted)}.hud-pause{margin-left:auto;width:34px;height:32px;font-weight:900}.canvas-wrap{position:relative;width:100%;overflow:hidden;border-radius:10px;background:#f5f0da;line-height:0;touch-action:manipulation}.canvas-wrap canvas{display:block;width:100%;height:auto;aspect-ratio:5/3;object-fit:contain;max-height:min(60vh,520px);margin:auto;transform:scale(var(--canvas-scale));transform-origin:center;transition:transform .16s}.canvas-wrap.is-night canvas{filter:brightness(.72) saturate(.82) hue-rotate(12deg)}.result-overlay,.pause-overlay{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;line-height:1.45;padding:20px;background:#111629d9;backdrop-filter:blur(5px)}[hidden]{display:none!important}.result-overlay h2,.pause-overlay h2{margin:2px 0 4px;font-size:clamp(22px,4vw,34px)}.result-overlay p,.pause-overlay p{margin:5px 0;color:#d2d8ea}.result-overlay .eyebrow{color:var(--accent)}.result-actions{display:flex;gap:10px;margin-top:13px}.primary-button,.secondary-button{min-height:42px;padding:0 18px;border-radius:11px;border:1px solid transparent;font-weight:750;cursor:pointer}.primary-button{background:linear-gradient(135deg,#ffe37c,#ffbd54);color:#252039}.secondary-button{background:#292f49;border-color:#454d6a}.primary-button:hover,.secondary-button:hover{filter:brightness(1.08)}.stage-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 2px 0}.view-controls{display:flex;gap:7px}.toolbar-button{min-height:35px;padding:0 11px;font-size:13px}.toolbar-button span{font-size:12px}.toolbar-button:disabled,.hud-pause:disabled{opacity:.42;cursor:not-allowed;transform:none}.toolbar-button[aria-pressed=true]{background:#3b315d;border-color:#8874ca;color:#e0d7ff}.footer-note{display:flex;justify-content:space-between;padding:12px 5px;color:#818ba8;font-size:11px}
.menu-screen{position:fixed;inset:0;z-index:5;display:grid;place-items:center;padding:18px;background:linear-gradient(135deg,#111426f2,#14192bef),url('imgs/menu-bg.png') center/cover}.loading{display:grid;gap:12px;width:min(320px,90vw);text-align:center;color:#d9def0}.loading progress{width:100%;height:8px;accent-color:var(--accent)}.menu-content{width:min(930px,96vw);padding:24px 28px;border:1px solid #ffffff21;border-radius:24px;background:linear-gradient(145deg,#1c2139f2,#161a2cf5);box-shadow:0 28px 90px #05060d99;backdrop-filter:blur(12px)}.intro{text-align:center}.eyebrow{margin:0;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.intro h1{margin:3px 0 0;font-size:clamp(32px,6vw,52px);letter-spacing:-.04em}.subhead{margin:3px 0 18px;color:var(--muted);font-size:13px}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.level-card{position:relative;min-height:190px;padding:16px;border:1px solid #424b6d;border-radius:16px;background:linear-gradient(155deg,#29304d,#20263d);overflow:hidden}.level-card:before{content:"";position:absolute;width:130px;height:130px;right:-55px;top:-65px;border-radius:50%;background:#a789ff1c}.level-card.is-available{border-color:#c7a953;box-shadow:inset 0 0 0 1px #ffd45e22}.level-card.is-complete{border-color:#4d956f}.level-card.is-locked{background:linear-gradient(155deg,#22263a,#1b2031);color:#a3abc0}.level-top{display:flex;justify-content:space-between;align-items:center}.level-number{font-size:12px;font-weight:900;letter-spacing:.13em;color:var(--accent)}.level-state{font-size:10px;color:var(--success)}.is-locked .level-state{color:#abb2c5}.level-card h2{margin:13px 0 3px;font-size:19px}.level-card p{min-height:35px;margin:0;color:var(--muted);font-size:11px}.level-play{width:100%;min-height:37px;margin-top:12px;border:0;border-radius:10px;background:linear-gradient(135deg,#ffe47a,#ffb550);color:#28233b;font-size:12px;font-weight:850;cursor:pointer}.level-play span{float:right}.level-play:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px)}.level-play:disabled{border:1px solid #41475e;background:#2b3043;color:#8992aa;cursor:not-allowed}.menu-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:14px;color:var(--muted);font-size:11px}.key-hint{display:flex;align-items:center;gap:6px}kbd{padding:2px 7px;border:1px solid #515978;border-radius:5px;background:#272d45;color:#fff;font:inherit}.text-button{border:0;background:none;color:#c8baff;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.settings-dialog{width:min(440px,calc(100% - 28px));padding:0;border:1px solid #495171;border-radius:20px;background:#1a2034;color:var(--text);box-shadow:0 24px 90px #000a}.settings-dialog::backdrop{background:#080a13c9;backdrop-filter:blur(5px)}.settings-dialog form{padding:22px}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}.dialog-head h2{margin:3px 0 0}.dialog-close{width:33px;height:33px;font-size:22px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0;border-top:1px solid #343b55;cursor:pointer}.setting-row span{display:grid;gap:4px}.setting-row small{max-width:300px;color:var(--muted);font-size:11px}.setting-row input{width:19px;height:19px;accent-color:#aa91ff}.dialog-actions{display:flex;justify-content:flex-end;padding-top:14px}.toast{position:fixed;left:50%;bottom:22px;z-index:9;transform:translate(-50%,12px);padding:9px 15px;border:1px solid #596185;border-radius:12px;background:#222943;color:#fff;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.toast.is-visible{opacity:1;transform:translate(-50%,0)}
@media(max-width:700px){.app-shell{width:min(100% - 20px,600px);padding-top:9px}.topbar{margin-bottom:8px}.game-stage{padding:8px;border-radius:14px}.game-hud{gap:18px;height:40px;padding-bottom:8px}.hud-label{font-size:9px}.stage-toolbar{align-items:flex-start}.view-controls{gap:5px;flex-wrap:wrap;justify-content:flex-end}.toolbar-button{padding:0 8px;min-height:34px}.toolbar-button span{font-size:10px}.menu-content{padding:19px 15px}.level-grid{gap:8px}.level-card{min-height:178px;padding:11px 9px}.level-card h2{font-size:15px;margin-top:10px}.level-card p{font-size:10px;line-height:1.35}.level-play{font-size:10px;padding:0 5px}.level-state{font-size:9px}.level-number{font-size:10px}.menu-bottom{font-size:10px}}
@media(max-width:430px){.brand{font-size:11px}.tool-button{padding:0 8px}.tool-button span{font-size:10px}.game-hud{gap:12px}.view-controls{max-width:76%}.toolbar-button{font-size:11px}.toolbar-button span{font-size:9px}.stage-toolbar>.toolbar-button{white-space:nowrap}.menu-screen{padding:9px}.menu-content{padding:15px 10px}.intro h1{font-size:32px}.subhead{margin-bottom:12px}.level-card{min-height:165px;padding:9px 7px}.level-card p{min-height:40px}.level-play{min-height:34px;font-size:9px}.menu-bottom{margin-top:10px}.footer-note{font-size:9px}}
@media(max-height:650px) and (min-width:701px){.app-shell{padding-top:6px}.topbar{height:38px;margin-bottom:7px}.game-stage{padding:8px}.canvas-wrap canvas{max-height:49vh}.footer-note{padding:6px 5px}.menu-content{padding:16px 24px}.level-card{min-height:165px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.touch-controls{display:grid;grid-template-rows:10px 26px 26px;gap:2px;justify-items:center;flex:0 0 auto}.direction-caption{font-size:8px;line-height:10px;color:#a1abc5;white-space:nowrap}.direction-row{display:flex;gap:3px}.direction-key{display:grid;place-items:center;width:29px;height:26px;padding:0;border:1px solid #535c7d;border-radius:7px;background:linear-gradient(180deg,#303754,#222941);color:#eef0ff;font-size:14px;font-weight:850;line-height:1;touch-action:none;user-select:none;cursor:pointer;box-shadow:0 2px 0 #111629}.direction-up{width:32px}.direction-key:hover{border-color:#c1a8ff}.direction-key:active,.direction-key.is-active{transform:translateY(1px);border-color:#ffd45e;background:linear-gradient(180deg,#73623b,#4d422e);color:#ffe58b;box-shadow:0 1px 0 #111629}
@media(max-width:360px){html{min-width:0}.app-shell{width:calc(100% - 16px)}.topbar{height:38px}.tool-button{height:32px;padding:0 6px}.game-hud{gap:8px}.game-hud strong{font-size:12px}.hud-label{font-size:8px}.hud-pause{width:30px;height:29px}.stage-toolbar{gap:4px;flex-wrap:wrap}.stage-toolbar>.toolbar-button{padding:0 6px;font-size:10px}.view-controls{gap:3px;max-width:100%;flex-wrap:wrap;justify-content:flex-end}.view-controls .toolbar-button{min-height:31px;padding:0 5px}.view-controls .toolbar-button span{font-size:8px}.level-grid{grid-template-columns:1fr;gap:7px}.level-card{display:grid;grid-template-columns:1fr auto;align-items:center;min-height:74px;padding:9px 11px}.level-top{grid-column:1/3}.level-card h2{grid-column:1;margin:5px 0 0;font-size:14px}.level-card p{grid-column:1;margin:0;min-height:0;font-size:9px}.level-play{grid-column:2;grid-row:2/4;width:112px;margin:0 0 0 6px;font-size:9px}.menu-content{padding:12px 10px}.intro h1{font-size:29px}.subhead{margin:1px 0 8px}.menu-bottom{margin-top:7px;font-size:9px}}

/* Campaign UI: 12 stages, compact cards and readable one-screen progression. */
.menu-screen{overflow-y:auto;place-items:start center;padding:clamp(8px,2vh,18px)}
.menu-content{width:min(1180px,96vw);max-height:calc(100dvh - 20px);overflow-y:auto;padding:clamp(14px,2vh,22px) clamp(14px,2vw,26px)}
.level-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.level-card{min-height:128px;padding:11px 13px}
.level-card h2{margin:7px 0 1px;font-size:16px}
.level-card p{min-height:17px;font-size:10px}
.level-play{min-height:31px;margin-top:6px;font-size:11px}
.subhead{margin-bottom:10px}
.intro h1{font-size:clamp(30px,4vw,44px)}
.menu-bottom{margin-top:10px}
.menu-note{color:var(--muted);font-size:10px}
#coin-bank{color:var(--accent);font-variant-numeric:tabular-nums}
.power-status{min-width:75px;color:var(--muted);font-size:10px;text-align:center;white-space:nowrap}
.power-status.has-power{color:#ffe17a;font-weight:800}
@media(max-width:980px){.level-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.level-card{min-height:122px}}
@media(max-width:700px){.menu-content{width:min(680px,98vw);padding:13px 12px}.level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.level-card{min-height:108px;padding:8px}.level-card h2{font-size:14px}.level-card p{min-height:26px;font-size:9px}.level-play{min-height:29px;font-size:9px;margin-top:4px}.menu-bottom{font-size:9px}.power-status{min-width:44px;font-size:8px}.game-hud{gap:10px}}
@media(max-width:500px){.level-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.level-card{min-height:88px;padding:7px 8px}.level-top{grid-column:1/3}.level-card h2{grid-column:1;margin:4px 0 0;font-size:13px}.level-card p{grid-column:1;margin:0;min-height:14px;font-size:8px}.level-play{grid-column:2;grid-row:2/4;width:100px;min-height:31px;margin:0 0 0 5px;font-size:8px}.menu-bottom{gap:5px;align-items:flex-start}.key-hint{flex-wrap:wrap;gap:3px}.menu-note{max-width:85px;text-align:right}.intro .subhead{font-size:11px;margin-bottom:8px}.game-hud{gap:6px}.game-hud strong{font-size:11px}.hud-label{font-size:8px}.power-status{min-width:34px;max-width:60px;overflow:hidden;text-overflow:ellipsis}}
@media(max-height:720px){.menu-content{padding-top:10px;padding-bottom:10px}.intro h1{font-size:30px}.subhead{margin-bottom:7px}.level-card{min-height:105px}.level-grid{gap:7px}.menu-bottom{margin-top:7px}}

@media(max-width:500px){.level-card{display:block!important;min-height:122px!important;padding:8px!important}.level-top{display:flex!important}.level-card h2,.level-card p{display:block!important;width:100%;margin:4px 0 0!important;min-height:0!important}.level-card h2{font-size:13px!important;white-space:nowrap}.level-card p{font-size:9px!important;white-space:nowrap}.level-play{display:block!important;width:100%!important;min-height:29px!important;margin:5px 0 0!important;font-size:9px!important}}