.runner { min-width: 0; --game-bg: #111b29; --game-sky: #293c53; --game-far: #394d64; --game-near: #53667c; }
.runner-shell { overflow: hidden; border: 1px solid #3a4b60; border-radius: 12px; background: var(--game-bg); box-shadow: 0 24px 70px #040b1220; }
.runner-shell:focus-visible { outline: 2px solid var(--lime); outline-offset: 5px; }
.runner-top { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 20px 22px; border-bottom: 1px solid #ffffff0c; }
.runner-name { font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.runner-name > span { display: block; font: 9px/1.8 Consolas, monospace; letter-spacing: .04em; margin-top: 5px; color: #b8c5d5; text-transform: uppercase; }
.runner-scores { display: flex; gap: 23px; text-align: right; font-family: Consolas, monospace; }
.runner-scores span { font-size: 8px; letter-spacing: .1em; color: var(--muted); display: block; }
.runner-scores b { display: block; font-size: 20px; font-weight: 400; margin-top: 5px; font-variant-numeric: tabular-nums; }
.runner-score { color: var(--lime); }
.runner-best { color: #bac6d5; }
.runner-stage { position: relative; height: 285px; }
.runner-stage canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; cursor: pointer; }
.runner-overlay { position: absolute; top: 25%; left: 25%; right: 20px; text-align: center; pointer-events: none; }
.runner-overlay[hidden] { display: none; }
.runner-overlay h3 { font-size: clamp(20px,2vw,29px); letter-spacing: -.04em; margin-top: 10px; color: #f5eee6; text-shadow: 0 2px 16px #0a1222; }
.runner-overlay p { font-size: 12px; line-height: 1.7; margin-top: 8px; color: #bbc9d9; }
.runner-orbit { font-size: 29px; line-height: 1; color: var(--lime); display: inline-block; }
.runner-bottom { display: flex; gap: 12px; padding: 14px; align-items: center; border-top: 1px solid #ffffff0d; background: #0f1825; }
.runner-action { background: var(--lime); color: #251a14; border-radius: 5px; min-height: 44px; padding: 12px 17px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.runner-action:hover { background: #f4c9ad; }
.runner-keys { color: #a7b5c7; font: 8px/1.7 Consolas, monospace; letter-spacing: .025em; margin-right: auto; text-align: center; }
.runner-pause,.runner-sound { border: 1px solid #3b4b60; border-radius: 5px; min-width: 40px; height: 44px; font-size: 17px; }
.runner-pause:disabled { opacity: .3; }
.runner-sound { position: relative; color: var(--lime); }
.runner-sound[aria-pressed="false"] { color: #a7b5c7; }
.runner-sound[aria-pressed="false"]:after { content: ''; position: absolute; width: 22px; height: 1px; background: currentColor; top: 20px; left: 9px; transform: rotate(-45deg); }
.runner-help { font: 10px/1.8 var(--font); color: var(--muted); margin-top: 13px; }
.runner-links { text-align: right; margin-top: 8px; }
.runner-links a { font-size: 11px; color: var(--lime); }
.playground-layout { gap: 48px; grid-template-columns: .85fr 1.15fr; }
.game-page { min-height: 100svh; }
.game-page .game-header { display: flex; justify-content: space-between; align-items: center; padding-block: 28px; border-bottom: 1px solid var(--line); }
.game-page main { max-width: 1000px; width: calc(100% - 48px); margin: 45px auto; }
.game-page h1 { font-size: clamp(36px,5vw,60px); margin: 18px 0 30px; line-height: 1.1; }
.game-page .runner-stage { height: min(45vh,420px); min-height: 280px; }
.game-page .runner-overlay { left: 20%; top: 27%; }
.game-page .runner-overlay h3 { font-size: 32px; }
.game-page .runner-overlay p { font-size: 14px; }
.game-page .runner-help { font-size: 12px; }
@media (max-width: 1100px) and (min-width: 761px) { .playground-layout { gap: 28px; grid-template-columns: .72fr 1.28fr; }.runner-top{padding-inline:16px}.runner-keys{font-size:7px}.runner-bottom{gap:8px;padding:10px}.runner-action{padding-inline:12px} }
@media (max-width: 760px) {
  .playground-layout { grid-template-columns: 1fr; gap: 30px; }
  .runner-top { padding: 17px; }
  .runner-stage { height: 250px; }
  .runner-overlay { top: 28%; left: 24%; right: 12px; }
  .runner-overlay h3 { font-size: 23px; }
  .runner-overlay p { font-size: 11px; }
  .runner-bottom { gap: 8px; padding: 10px; flex-wrap: wrap; }
  .runner-action { margin-right: auto; min-width: 133px; }
  .runner-keys { order: 4; width: 100%; font-size: 9px; padding-top: 3px; }
  .runner-pause,.runner-sound { min-width: 44px; }
  .game-page main { width: calc(100% - 32px); margin-top: 30px; }
  .game-page .runner-stage { height: 290px; }
  .game-page .runner-overlay h3 { font-size: 24px; }
  .game-page .runner-overlay p { font-size: 11px; }
  .game-page .runner-help { font-size: 11px; }
}