:root { color-scheme:dark; --carbon:#07111f; --surface:#10283d; --chalk:#f5f0dc; --muted:#b3c3cf; --accent:#72e6c6; --danger:#ef5a4f; --border:#6f91a8; }
* { box-sizing:border-box; }
html,body { width:100%; min-height:100%; margin:0; background:var(--carbon); }
body { min-height:100dvh; overflow:hidden; color:var(--chalk); font-family:"Segoe UI",system-ui,sans-serif; }
button { font:inherit; touch-action:manipulation; -webkit-tap-highlight-color:transparent; }
.shell { position:relative; width:100%; height:100dvh; min-height:480px; overflow:hidden; }
.game-area { position:absolute; inset:0; overflow:hidden; background:var(--carbon); cursor:crosshair; isolation:isolate; }
canvas { position:absolute; inset:0; display:block; width:100%; height:100%; }
.topbar { position:absolute; z-index:6; top:max(18px,env(safe-area-inset-top)); left:max(22px,env(safe-area-inset-left)); right:max(22px,env(safe-area-inset-right)); height:54px; display:flex; align-items:flex-start; justify-content:space-between; pointer-events:none; }
.brand { color:var(--chalk); text-decoration:none; display:flex; align-items:center; gap:10px; font-family:"Bahnschrift Condensed","Arial Narrow",sans-serif; font-size:15px; font-weight:800; line-height:.82; pointer-events:auto; }
.brand-mark { position:relative; width:28px; height:28px; border:2px solid var(--border); border-radius:50%; background:var(--surface); }
.brand-mark::before { content:""; position:absolute; width:8px; height:8px; right:-4px; top:4px; background:var(--carbon); }
.brand-mark::after { content:""; position:absolute; width:6px; height:6px; right:-3px; top:5px; border-radius:50%; background:var(--chalk); }
.scoreboard { position:absolute; left:50%; transform:translateX(-50%); display:flex; align-items:flex-start; gap:26px; font-family:"Bahnschrift Condensed","Arial Narrow",sans-serif; font-variant-numeric:tabular-nums; }
.scoreboard span { display:grid; justify-items:center; }
.scoreboard small { color:var(--muted); font:13px/1 "Segoe UI",sans-serif; }
.scoreboard strong { font-size:34px; line-height:1; letter-spacing:-.03em; }
.scoreboard span:last-child strong { color:var(--muted); font-size:21px; margin-top:3px; }
.tools { display:flex; gap:8px; margin-left:auto; pointer-events:auto; }
.icon-button { width:48px; height:48px; border:1px solid var(--border); border-radius:10px; background:var(--surface); color:var(--chalk); cursor:pointer; font-weight:800; display:grid; place-items:center; }
.icon-button:hover:not(:disabled),.icon-button:focus-visible:not(:disabled) { border-color:var(--chalk); outline:2px solid var(--accent); outline-offset:2px; }
.icon-button:disabled { opacity:.25; cursor:default; }
.sound-icon { width:24px; height:24px; fill:currentColor; overflow:visible; }
.sound-icon .sound-waves,.sound-icon .sound-mute { fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; }
.icon-button[aria-pressed="true"] .sound-waves { display:none; }
.icon-button[aria-pressed="true"] .sound-icon { color:var(--muted); }
.hud { position:absolute; z-index:3; top:max(86px,calc(env(safe-area-inset-top) + 74px)); left:max(22px,env(safe-area-inset-left)); right:max(22px,env(safe-area-inset-right)); display:flex; justify-content:space-between; align-items:center; pointer-events:none; transition:opacity .12s; }
.hearts { display:flex; align-items:center; gap:5px; color:var(--chalk); }
.shield-icon { width:16px; height:18px; display:block; fill:currentColor; stroke:currentColor; stroke-width:1.5; }
.shield-icon.is-empty { fill:transparent; color:var(--border); }
.energy-count { color:var(--chalk); font:700 18px/1 "Bahnschrift Condensed","Arial Narrow",sans-serif; font-variant-numeric:tabular-nums; }
.energy-count span,.energy-count i { color:var(--accent); }
.energy-count i { font-style:normal; font-size:14px; margin-left:4px; }
.ring-status { position:absolute; left:50%; transform:translateX(-50%); display:grid; justify-items:center; gap:5px; color:var(--muted); }
.ring-status small,.ring-status>span { font-size:12px; line-height:1; }
.ring-dots { display:flex; gap:7px; height:8px; align-items:center; }
.ring-dots i { display:block; width:6px; height:6px; border:1px solid var(--border); border-radius:50%; }
.ring-dots i.current { width:8px; height:8px; background:var(--chalk); border-color:var(--chalk); }
.ring-dots i.in { border-color:var(--chalk); }
.ring-dots i.out { border-color:var(--accent); }
.hud.is-idle,.direction-controls.is-idle { opacity:0; pointer-events:none; }
.callout { position:absolute; z-index:5; top:20%; left:50%; transform:translate(-50%,4px); color:var(--chalk); background:var(--carbon); border-left:4px solid var(--accent); padding:7px 10px; font:800 16px/1 "Bahnschrift Condensed","Arial Narrow",sans-serif; opacity:0; transition:opacity .12s,transform .12s; pointer-events:none; }
.callout.show { opacity:1; transform:translate(-50%,0); }
.direction-controls { position:absolute; z-index:5; left:max(18px,env(safe-area-inset-left)); right:max(18px,env(safe-area-inset-right)); bottom:max(18px,env(safe-area-inset-bottom)); display:flex; justify-content:space-between; pointer-events:none; transition:opacity .12s; }
.direction-button { min-width:92px; min-height:54px; padding:0 16px; border:1px solid var(--border); border-radius:10px; background:var(--surface); color:var(--chalk); display:flex; align-items:center; justify-content:center; gap:11px; font-weight:800; font-size:15px; cursor:pointer; pointer-events:auto; }
.direction-button b { color:var(--accent); font-size:22px; line-height:1; }
.direction-button:hover:not(:disabled),.direction-button:focus-visible:not(:disabled) { border-color:var(--accent); outline:2px solid var(--chalk); outline-offset:2px; }
.direction-button:disabled { color:#626863; border-color:#313632; opacity:.68; cursor:default; }
.direction-button:disabled b { color:#626863; }
.overlay { position:absolute; z-index:4; inset:0; opacity:0; visibility:hidden; transition:opacity .14s,visibility .14s; }
.overlay.is-visible { opacity:1; visibility:visible; }
.welcome { background:transparent; }
.menu-title { position:absolute; top:max(38px,calc(env(safe-area-inset-top) + 24px)); left:50%; transform:translateX(-50%); text-align:center; font-family:"Bahnschrift Condensed","Arial Narrow",sans-serif; line-height:.78; letter-spacing:-.045em; white-space:nowrap; }
.menu-title span { display:block; color:var(--muted); font-size:20px; font-weight:700; letter-spacing:.09em; }
.menu-title strong { display:block; color:var(--chalk); font-size:58px; font-weight:900; }
.welcome .menu-intro { position:absolute; top:max(130px,calc(env(safe-area-inset-top) + 116px)); left:50%; transform:translateX(-50%); width:min(360px,calc(100vw - 40px)); margin:0; color:var(--muted); font-size:14px; line-height:1.45; text-align:center; }
.touch-guide { display:none; }
.primary { min-width:150px; min-height:56px; padding:0 16px; border:1px solid var(--accent); border-radius:10px; background:var(--accent); color:var(--carbon); font-weight:900; cursor:pointer; }
.primary b { float:right; margin-left:24px; font-size:18px; }
.primary:hover,.primary:focus-visible { background:var(--chalk); border-color:var(--chalk); outline:2px solid var(--accent); outline-offset:3px; }
.welcome .primary { position:absolute; z-index:2; bottom:max(20px,env(safe-area-inset-bottom)); left:50%; transform:translateX(-50%); }
.control-guide { position:absolute; left:50%; bottom:max(92px,calc(env(safe-area-inset-bottom) + 86px)); transform:translateX(-50%); display:flex; gap:22px; color:var(--muted); font-size:13px; white-space:nowrap; }
.control-guide div { display:flex; gap:7px; }
.control-guide b { color:var(--chalk); }
.compact { display:grid; place-items:center; background:rgba(7,17,31,.88); }
.compact-panel { min-width:min(320px,82vw); padding:18px 0 18px 24px; border-left:3px solid var(--accent); }
.compact h2 { margin:0 0 22px; font:900 52px/.9 "Bahnschrift Condensed","Arial Narrow",sans-serif; }
.compact p { margin:0; color:var(--muted); font-size:15px; }
.result-label { display:block; color:var(--muted); font-size:15px; margin-bottom:3px; }
#resultScore { margin-bottom:7px; font-variant-numeric:tabular-nums; }
.result-best { margin-bottom:17px; color:var(--muted); font-size:14px; }
.result-best strong { color:var(--chalk); font-family:"Bahnschrift Condensed","Arial Narrow",sans-serif; font-size:18px; font-variant-numeric:tabular-nums; }
.result-best em { margin-left:8px; color:var(--accent); font-style:normal; font-weight:800; }
#resultCopy { margin-bottom:7px; }
#runFacts { color:var(--chalk); margin-bottom:16px; }
.compact .next-target { color:var(--accent); margin-bottom:20px; font-weight:700; }
noscript { position:fixed; z-index:20; inset:0; display:grid; place-items:center; padding:24px; background:var(--carbon); color:var(--chalk); text-align:center; font:700 18px/1.4 "Segoe UI",sans-serif; }
footer { position:absolute; z-index:3; left:50%; bottom:26px; transform:translateX(-50%); color:#888f89; font-size:12px; pointer-events:none; }
footer>span:first-child { display:none; }
kbd { border:1px solid #626863; border-radius:3px; padding:2px 5px; color:var(--chalk); font:inherit; }
body.menu-open footer,
body.menu-open .brand,
body.menu-open .scoreboard,
body.menu-open #pauseBtn,
body.menu-open .hud,
body.menu-open .direction-controls { display:none; }
@media (max-width:700px) {
  .topbar { top:max(12px,env(safe-area-inset-top)); left:max(14px,env(safe-area-inset-left)); right:max(14px,env(safe-area-inset-right)); }
  .brand { font-size:12px; gap:7px; }
  .brand-mark { width:24px; height:24px; }
  .scoreboard { gap:14px; }
  .scoreboard small { font-size:11px; }
  .scoreboard strong { font-size:27px; }
  .scoreboard span:last-child strong { font-size:18px; }
  .icon-button { width:48px; height:48px; }
  .hud { top:max(72px,calc(env(safe-area-inset-top) + 62px)); left:14px; right:14px; }
  .shield-icon { width:14px; height:16px; }
  .ring-status small,.ring-status>span { font-size:11px; }
  .direction-controls { left:max(12px,env(safe-area-inset-left)); right:max(12px,env(safe-area-inset-right)); bottom:max(12px,env(safe-area-inset-bottom)); }
  .direction-button { min-width:82px; min-height:54px; }
  .menu-title { top:max(44px,calc(env(safe-area-inset-top) + 32px)); }
  .menu-title span { font-size:15px; }
  .menu-title strong { font-size:42px; }
  .welcome .menu-intro,.control-guide { display:none; }
  .touch-guide { display:block; position:absolute; left:50%; bottom:max(96px,calc(env(safe-area-inset-bottom) + 90px)); transform:translateX(-50%); width:100%; margin:0; color:var(--muted); text-align:center; font-size:14px; }
  .welcome .primary { width:min(240px,calc(100vw - 36px)); bottom:max(24px,env(safe-area-inset-bottom)); }
  footer { display:none; }
}
@media (max-height:560px) and (orientation:landscape) {
  .shell { min-height:0; }
  .menu-title { top:22px; }
  .menu-title strong { font-size:38px; }
  .welcome .menu-intro { top:76px; }
  .control-guide,.touch-guide { display:none; }
  .welcome .primary { left:auto; right:max(18px,env(safe-area-inset-right)); transform:none; }
  .hud { top:66px; }
}
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { transition-duration:.01ms!important; } }