:root {
  --ink: #f2ead8;
  --muted: #8f9cc0;
  --line: rgba(242, 234, 216, 0.1);
  --deep: #070b18;
  --panel: rgba(13, 19, 38, 0.72);
  --amber: #ffb454;
  --teal: #59c2c9;
  --bad: #e26d5a;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--deep);
  font-family: 'DM Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}
button, input { font: inherit; }
button { cursor: pointer; }
a { color: var(--muted); text-decoration: none; }
a:hover { color: var(--ink); }

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 78% 18%, rgba(255, 180, 84, 0.07), transparent 55%),
    radial-gradient(700px 420px at 12% 82%, rgba(89, 194, 201, 0.06), transparent 60%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
  font: 10px 'DM Mono', ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.maker { color: var(--muted); margin: 0; }
.maker strong { color: var(--amber); }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(320px, 430px) 1fr;
  gap: clamp(20px, 3vw, 48px);
  padding: clamp(18px, 3vw, 44px);
  max-width: 1500px;
  width: 100%;
  margin: 0 auto;
}

.copy .eyebrow {
  font: 10px 'DM Mono', ui-monospace, monospace;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 6px 0 10px;
}
.copy h1 {
  font-size: clamp(40px, 5vw, 64px);
  line-height: 0.95;
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.copy h1 em { font-style: italic; color: var(--amber); }
.lede { color: var(--muted); line-height: 1.65; margin: 0 0 20px; max-width: 46ch; }

.hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.hud div {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  display: grid;
  gap: 2px;
}
.hud span {
  font: 9px 'DM Mono', ui-monospace, monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.hud strong { font-size: 17px; color: var(--ink); white-space: nowrap; }

.status { min-height: 22px; margin: 4px 0 14px; color: var(--teal); font-size: 14px; }
.status.lost { color: var(--bad); }
.tip { color: var(--muted); font-size: 13px; line-height: 1.5; margin: 12px 0 0; max-width: 42ch; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; }
button {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 180, 84, 0.16), rgba(255, 180, 84, 0.06));
  color: var(--ink);
  padding: 9px 18px;
  letter-spacing: 0.02em;
  transition: transform 120ms ease, border-color 120ms ease;
}
button:hover { transform: translateY(-1px); border-color: rgba(255, 180, 84, 0.5); }
button:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
button.ghost { background: none; color: var(--muted); }
button[hidden] { display: none; }

.levels { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.levels button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  padding: 0;
  background: var(--panel);
  color: var(--muted);
  font: 12px 'DM Mono', ui-monospace, monospace;
}
.levels button.done { border-color: rgba(255, 180, 84, 0.55); color: var(--amber); }
.levels button.now { border-color: var(--teal); color: var(--teal); }
.levels button:disabled { opacity: 0.32; cursor: not-allowed; transform: none; }

.keys { list-style: none; padding: 0; margin: 18px 0 0; color: var(--muted); font-size: 12px; display: grid; gap: 6px; }
kbd {
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  font: 11px 'DM Mono', ui-monospace, monospace;
  color: var(--ink);
  background: var(--panel);
}

.stage { position: relative; min-height: 62vh; }
#space {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  touch-action: none;
  cursor: crosshair;
  outline: none;
  background:
    radial-gradient(120% 90% at 70% 20%, #101731 0%, #0a0f22 45%, #060a16 100%);
}
#space:focus-visible { box-shadow: 0 0 0 2px var(--teal); }

.stamp-note {
  position: absolute;
  right: 18px;
  top: 16px;
  pointer-events: none;
  border: 2px dashed rgba(255, 180, 84, 0.4);
  color: rgba(255, 180, 84, 0.66);
  border-radius: 10px;
  padding: 7px 11px;
  transform: rotate(6deg);
  font: 9px 'DM Mono', ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.5;
  text-align: center;
}

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px clamp(18px, 4vw, 44px);
  border-top: 1px solid var(--line);
  font: 10px 'DM Mono', ui-monospace, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 900px) {
  body { overflow: auto; }
  .layout { grid-template-columns: 1fr; }
  .stage { order: -1; min-height: 58vh; }
  .hud strong { font-size: 15px; }
}