:root {
  --bg: #0f0f10;
  --panel: #17181a;
  --line: #2a2c2f;
  --fg: #e8e8e8;
  --dim: #8b8f94;
  --accent: #e8e8e8;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.hidden { display: none !important; }

/* ---------- signup ---------- */
#signup {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 50% -10%, #1c1e21 0%, #0f0f10 60%);
}
.signup-card {
  width: min(420px, 90vw); background: var(--panel);
  border: 1px solid var(--line); border-radius: 14px; padding: 30px 28px; text-align: center;
}
.brand { font-size: 30px; letter-spacing: 4px; font-weight: 700; }
.brand span { color: var(--accent); }
.sub { color: var(--dim); font-size: 12px; margin: 8px 0 22px; }
#nameInput {
  width: 100%; font: inherit; font-size: 15px; text-align: center;
  background: #0c0c0d; color: var(--fg); border: 1px solid var(--line);
  border-radius: 9px; padding: 12px 14px; outline: none;
}
#nameInput:focus { border-color: var(--accent); }
#signupBtn {
  width: 100%; margin-top: 12px; font: inherit; font-weight: 700; cursor: pointer;
  background: var(--accent); color: #101113; border: 0; border-radius: 9px; padding: 12px 14px;
}
#signupBtn:disabled { opacity: .6; cursor: default; }
.msg { color: var(--dim); font-size: 12px; min-height: 16px; margin: 14px 0 0; }

/* ---------- hud ---------- */
#hud {
  position: fixed; top: 14px; left: 16px; right: 16px; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  pointer-events: none;
}
#me, #online, #coins {
  background: var(--panel); border: 1px solid var(--line); border-radius: 99px;
  padding: 7px 14px; font-size: 13px; display: flex; align-items: center; gap: 9px;
}
#coins b { color: #f7c948; }
#coins .tot { color: var(--dim); font-size: 11px; }
.av {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line); font-size: 15px;
}
.av.sm { width: 20px; height: 20px; font-size: 12px; }
.blurb { color: var(--dim); font-size: 11px; }

/* ---------- game cabinet ---------- */
.interstitial-wrapper {
  position: relative; margin: 0 auto; max-width: 600px; width: 100%;
  padding: 0 16px;
}
.offline .runner-container {
  position: relative !important; top: 0 !important; left: 0 !important;
  width: 100% !important; max-width: 600px !important; height: auto !important;
  margin: 0 auto; border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  background: #f7f7f7;
}
.offline .runner-canvas {
  position: relative !important; top: 0 !important; left: 0 !important;
  width: 100% !important; height: auto !important; display: block;
}
.icon { display: none; }

/* ---------- side panel ---------- */
#side {
  position: fixed; top: 90px; right: 16px; width: 268px; z-index: 20;
  display: flex; flex-direction: column; gap: 12px;
}
#side section {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
#side h3 { margin: 0 0 10px; font-size: 11px; letter-spacing: 2px; color: var(--dim); text-transform: uppercase; }
#board { list-style: none; margin: 0; padding: 0; font-size: 13px; }
#board li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
#board li.off { opacity: .45; }
#board .who { display: flex; align-items: center; gap: 7px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
#board .who em { color: var(--accent); font-style: normal; }
#board .co { font-weight: 700; display: flex; gap: 8px; align-items: baseline; }
#board .coins { color: #f7c948; font-weight: 400; font-size: 11px; }
#feed { list-style: none; margin: 0; padding: 0; font-size: 12px; color: var(--dim); }
#feed li { padding: 3px 0; border-bottom: 1px dashed var(--line); }

@media (max-width: 980px) {
  #side { position: static; width: auto; margin: 16px; flex-direction: row; }
  #side section { flex: 1; }
  .interstitial-wrapper { margin-bottom: 24px; }
}

/* ---------- wallet ---------- */
#wallet {
  background: var(--panel); border: 1px solid var(--line); border-radius: 99px;
  padding: 7px 14px; font-size: 13px; display: flex; align-items: center; gap: 9px;
}
#wallet b { color: #ffd166; }

/* ---------- pixel-art icons ---------- */
/* coin_sheet.png is a 6-frame 16x16 strip (96x16); the wrapper clips to frame 0. */
.coin-icon {
  display: inline-block; width: 16px; height: 16px; overflow: hidden;
  vertical-align: -2px; image-rendering: pixelated;
}
.coin-icon img { display: block; width: 96px; height: 16px; image-rendering: pixelated; }
.si-icon { display: block; width: 32px; height: 32px; margin: 0 auto; image-rendering: pixelated; }
.inv-icon { width: 16px; height: 16px; image-rendering: pixelated; vertical-align: middle; }

/* ---------- inventory bar ---------- */
#inv {
  position: fixed; left: 16px; right: 16px; bottom: 14px; z-index: 15;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 8px 14px;
  font-size: 13px;
}
#inv .inv-item { display: inline-flex; align-items: center; gap: 3px; background: #0c0c0d; border: 1px solid var(--line); border-radius: 8px; padding: 3px 8px; }
#inv .inv-item b { color: #ffd166; font-size: 11px; }
#inv .inv-effects { color: var(--dim); font-size: 12px; margin-left: 6px; }
#inv .inv-empty { color: var(--dim); }

/* ---------- shop ---------- */
#shop {
  position: fixed; inset: 0; z-index: 60; display: flex; align-items: center; justify-content: center;
  background: rgba(8,8,9,.82);
}
.shop-card {
  width: min(560px, 92vw); max-height: 86vh; overflow: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px;
}
.shop-card header { display: flex; align-items: baseline; justify-content: space-between; }
.shop-card h2 { margin: 0; letter-spacing: 3px; font-size: 22px; }
.wallet-line { color: #ffd166; font-size: 14px; }
.shop-sub { color: var(--dim); font-size: 12px; margin: 6px 0 16px; }
.shop-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px dashed var(--line); }
.si-emoji { font-size: 26px; width: 34px; text-align: center; }
.si-body { flex: 1; }
.si-name { font-weight: 700; }
.si-owned { color: var(--dim); font-weight: 400; font-size: 12px; }
.si-desc { color: var(--dim); font-size: 12px; }
.si-buy {
  font: inherit; font-weight: 700; cursor: pointer; background: var(--accent, #e8e8e8); color: #101113;
  border: 0; border-radius: 9px; padding: 9px 14px; white-space: nowrap;
}
.si-buy:disabled { opacity: .4; cursor: default; }
.shop-card .msg { color: var(--dim); font-size: 12px; min-height: 16px; margin: 10px 0; }
#shopContinue {
  width: 100%; font: inherit; font-weight: 700; cursor: pointer; background: #06d6a0; color: #101113;
  border: 0; border-radius: 10px; padding: 12px; margin-top: 8px;
}

/* neutralize the engine's arcade-mode (it otherwise expands to the full viewport) */
.arcade-mode .interstitial-wrapper { max-width: 600px !important; height: auto !important; padding-top: 0 !important; }
.arcade-mode .runner-container,
.arcade-mode .runner-canvas { max-width: 600px !important; transform: none !important; }