:root {
  --void: #12081c;
  --panel: #1c1030;
  --mag: #ff3d8e;
  --cyan: #3df0ff;
  --ink: #f4ecff;
  --muted: #b7a8cc;
  --line: #3a2758;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Manrope, system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #2a1450, var(--void));
  color: var(--ink);
  min-height: 100vh;
}
a { color: var(--cyan); }
h1, h2, .logo, .node b, .core strong { font-family: "Chakra Petch", sans-serif; }

.hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 8, 28, 0.85);
  position: sticky;
  top: 0;
  z-index: 8;
}
.logo { font-weight: 700; letter-spacing: 0.12em; font-size: 20px; }
.logo span { color: var(--mag); }
.chip {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.lang { margin-left: auto; display: flex; border: 1px solid var(--line); }
.lang button {
  border: 0; background: transparent; color: var(--ink);
  padding: 7px 10px; cursor: pointer; font: inherit; font-size: 12px; font-weight: 700;
}
.lang button.active { background: var(--mag); color: #fff; }

.playfield {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  padding: 36px 4vw 20px;
  align-items: center;
}
.octagon {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 12px;
  max-width: 520px;
}
.node, .core {
  min-height: 110px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  display: grid;
  place-content: center;
  gap: 4px;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
}
.node b { color: var(--cyan); font-size: 18px; }
.node.on {
  background: var(--mag);
  border-color: var(--mag);
}
.node.on b { color: #fff; }
.core {
  cursor: default;
  background: #140a24;
  color: var(--mag);
}
.core strong { font-size: 36px; line-height: 1; }
.core em { font-style: normal; font-size: 11px; letter-spacing: 0.16em; }
.n1 { grid-column: 2; }
.n2 { grid-column: 3; grid-row: 2; }
.n3 { grid-column: 3; grid-row: 3; }
.core { grid-column: 2; grid-row: 2; }
.n4 { grid-column: 2; grid-row: 3; }
.n5 { grid-column: 1; grid-row: 3; }
.n6 { grid-column: 1; grid-row: 2; }

.brief {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px 26px;
  min-height: 280px;
}
.lvl { color: var(--mag); font-size: 12px; letter-spacing: 0.2em; font-weight: 800; margin-bottom: 10px; }
.brief h1 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 12px; }
.brief p { color: var(--muted); font-size: 16px; }
.brief .out {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--cyan);
  font-size: 14px;
}

.lore { padding: 20px 4vw 28px; max-width: 820px; }
.kicker { color: var(--cyan); font-size: 11px; letter-spacing: 0.18em; font-weight: 800; margin-bottom: 10px; }
.lore h2 { font-size: clamp(24px, 3vw, 36px); margin-bottom: 12px; }
.lore p { color: var(--muted); }
.lore p + p { margin-top: 12px; }

.ship, .rules-net { padding: 8px 4vw 36px; }
.ship ol {
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 820px;
  margin-top: 12px;
}
.ship li {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px 16px;
  color: var(--muted);
}
.rules-net ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 980px;
  margin-top: 12px;
}
.rules-net li {
  border-top: 3px solid var(--mag);
  background: #160a28;
  padding: 16px;
  color: var(--muted);
}

.coin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 0 4vw 40px;
  padding: 24px;
  border: 1px solid var(--mag);
  background: #160a28;
}
.coin h2 { font-size: 28px; margin: 8px 0; }
.coin p { color: var(--muted); }
form { display: grid; gap: 10px; }
@media (min-width: 700px) {
  form { grid-template-columns: 1fr 1fr; }
  .wide, form button, .note { grid-column: 1 / -1; }
}
label { display: grid; gap: 4px; font-size: 12px; font-weight: 700; }
input, textarea {
  font: inherit; padding: 10px;
  background: var(--void); color: var(--ink); border: 1px solid var(--line);
}
button[type="submit"] {
  justify-self: start;
  background: var(--cyan); color: #12081c; border: 0;
  padding: 12px 18px; font: inherit; font-weight: 800; cursor: pointer;
}
.note { font-size: 13px; color: var(--muted); }
footer {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 0 4vw 36px; color: var(--muted); font-size: 13px;
}

@media (max-width: 900px) {
  .playfield, .coin, .rules-net ul { grid-template-columns: 1fr; }
  .lang { margin-left: 0; }
  .node, .core { clip-path: none; border-radius: 12px; min-height: 88px; }
}