:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #160f0b;
  color: #fff1d2;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 187, 72, 0.28), transparent 18rem),
    radial-gradient(circle at 86% 18%, rgba(80, 166, 198, 0.16), transparent 18rem),
    linear-gradient(135deg, #2c180d 0%, #120c09 48%, #352011 100%);
}

button {
  border: 0;
  border-radius: 999px;
  background: #e6a339;
  color: #1d1209;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  padding: 0.78rem 1rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

button:disabled {
  cursor: not-allowed;
  filter: grayscale(0.8);
  opacity: 0.45;
}

.home-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 4;
  color: #ffe0a3;
  font-weight: 950;
  text-decoration: none;
}

.shell {
  width: min(1360px, calc(100% - 1.4rem));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(17rem, 25rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  padding: 4rem 0 2rem;
}

.intro,
.game-card,
.panel,
.shop-item,
.player {
  border: 1px solid rgba(255, 207, 127, 0.16);
  background: rgba(33, 22, 15, 0.76);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(16px);
}

.intro,
.game-card,
.panel { border-radius: 2rem; }
.intro { padding: clamp(1.3rem, 4vw, 2.2rem); }
.game-card { padding: clamp(0.8rem, 2vw, 1.2rem); }

.eyebrow {
  color: #f0b24c;
  font-size: 0.78rem;
  font-weight: 1000;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0.2rem 0 0;
  font-size: clamp(3.2rem, 7vw, 6.2rem);
  line-height: 0.82;
  letter-spacing: -0.075em;
}

h2 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.lede,
.rules {
  color: #e7c99a;
  font-size: 1.02rem;
  line-height: 1.55;
}

.join-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.4rem 0; }
.rules { display: grid; gap: 0.35rem; }
.rules strong { color: #f5bd56; }

.topbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 0.8rem;
}

.topbar div,
.game-message {
  border-radius: 1.1rem;
  background: rgba(255, 230, 186, 0.11);
  padding: 0.72rem 0.85rem;
}

.topbar span {
  display: block;
  color: #caa76e;
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.topbar strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mine-wrap {
  border: 9px solid rgba(96, 59, 28, 0.8);
  border-radius: 1.6rem;
  background: linear-gradient(#51331d 0 62.5%, #211711 62.5% 100%);
  overflow: auto;
  padding: 0.7rem;
}

.edge-label {
  color: #ffd784;
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.45rem;
  text-align: center;
  text-transform: uppercase;
}

.board {
  display: grid;
  grid-template-columns: repeat(32, minmax(1.15rem, 1fr));
  gap: clamp(0.08rem, 0.18vw, 0.18rem);
  min-width: 42rem;
}

.cell {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 224, 159, 0.18);
  border-radius: clamp(0.18rem, 0.45vw, 0.42rem);
  background: linear-gradient(145deg, #745234, #3b2819);
  color: #f8d98f;
  display: grid;
  place-items: center;
  font-size: clamp(0.58rem, 0.9vw, 0.82rem);
  padding: 0;
}

.cell.deep { background: linear-gradient(145deg, #2d2727, #151111); }
.cell.revealed { background: linear-gradient(145deg, #6d492c, #2f2017); color: #ffe0a3; }
.cell.revealed::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 36%, rgba(18, 11, 7, 0.82) 36% 64%, transparent 64% 100%),
    linear-gradient(0deg, transparent 0 36%, rgba(18, 11, 7, 0.82) 36% 64%, transparent 64% 100%);
}
.cell.tunnel { color: #d8b27c; }
.cell.blocked { background: repeating-linear-gradient(45deg, #1e1713, #1e1713 8px, #5a211a 8px, #5a211a 16px); color: #ffb5a6; }
.cell.legal { outline: 2px solid #78e08f; transform: translateY(-1px); }
.cell.collectable { outline: 2px solid #f7d354; transform: translateY(-1px); }
.cell.reachable { box-shadow: inset 0 0 0 2px rgba(91, 192, 235, 0.72); }
.cell .card-icon {
  font-size: clamp(0.66rem, 1.15vw, 1rem);
  font-weight: 1000;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.ore-stone {
  width: clamp(0.68rem, 1.3vw, 1.05rem);
  height: clamp(0.55rem, 1vw, 0.86rem);
  border-radius: 48% 58% 44% 54% / 52% 44% 58% 48%;
  box-shadow: inset -0.35rem -0.35rem 0 rgba(0, 0, 0, 0.24), inset 0.28rem 0.22rem 0 rgba(255, 255, 255, 0.28), 0 0.18rem 0.35rem rgba(0, 0, 0, 0.32);
  display: inline-block;
  transform: rotate(-10deg);
}

.ore-gold { background: linear-gradient(145deg, #ffe06f, #d89b12 62%, #7b4e08); }
.ore-silver { background: linear-gradient(145deg, #f7f7ee, #aeb8bd 62%, #5d686e); }
.ore-copper { background: linear-gradient(145deg, #f2a05c, #b95f28 62%, #653018); }

.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.55rem);
  z-index: 20;
  width: max-content;
  max-width: min(18rem, 78vw);
  border: 1px solid rgba(255, 224, 159, 0.34);
  border-radius: 0.8rem;
  background: rgba(16, 10, 7, 0.96);
  color: #fff0c7;
  font-size: 0.78rem;
  font-weight: 850;
  line-height: 1.35;
  opacity: 0;
  padding: 0.5rem 0.65rem;
  pointer-events: none;
  text-align: center;
  transform: translate(-50%, 0.25rem);
  transition: opacity 140ms ease, transform 140ms ease;
  white-space: normal;
}

.tooltip:hover::after,
.tooltip:focus-visible::after,
.tooltip:focus-within::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.board .cell:nth-child(-n + 32)::after {
  top: calc(100% + 0.55rem);
  bottom: auto;
}

.miner {
  position: absolute;
  right: 0.05rem;
  bottom: 0.05rem;
  width: 0.78rem;
  height: 0.78rem;
  border: 1px solid #fff3cf;
  border-radius: 50%;
  background: var(--miner);
  color: #19100b;
  display: grid;
  font-size: 0.5rem;
  place-items: center;
  z-index: 2;
}

.reveal-card {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  z-index: 30;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.reveal-card[hidden] { display: none; }

.reveal-card-inner {
  min-width: min(19rem, calc(100vw - 2rem));
  border: 2px solid rgba(255, 224, 159, 0.44);
  border-radius: 2rem;
  background: radial-gradient(circle at 50% 18%, rgba(255, 211, 122, 0.22), transparent 8rem), rgba(22, 13, 8, 0.94);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  color: #fff0c7;
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  padding: 1.4rem 2rem;
  text-align: center;
  animation: reveal-pop 2s ease both;
}

.reveal-card-inner .card-icon { font-size: clamp(4.8rem, 13vw, 8rem); line-height: 1; }
.reveal-card-inner .ore-stone { width: clamp(6rem, 18vw, 9rem); height: clamp(4.8rem, 14vw, 7.2rem); }
.reveal-card-inner strong { font-size: clamp(1.6rem, 4vw, 2.5rem); }
.reveal-card-inner small { color: #e8c58d; font-size: 1rem; }

@keyframes reveal-pop {
  0% { opacity: 0; transform: scale(0.72) translateY(1rem); }
  12%, 82% { opacity: 1; transform: scale(1) translateY(0); }
  100% { opacity: 0; transform: scale(0.9) translateY(-0.5rem); }
}

.game-message {
  margin: 0.8rem 0;
  color: #ffe7ae;
  font-weight: 850;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1fr;
  gap: 0.75rem;
}

.panel { padding: 0.9rem; }
.stats { display: grid; gap: 0.35rem; color: #e9cca0; }
.stat {
  align-items: center;
  display: flex;
  gap: 0.4rem;
  width: fit-content;
}
.stat b { min-width: 1.25rem; text-align: center; }

.shop,
.players { display: grid; gap: 0.5rem; }

.shop-item,
.player {
  border-radius: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.45rem;
  align-items: center;
  padding: 0.55rem;
}

.shop-icon {
  display: inline-grid;
  font-size: 1.3rem;
  margin-right: 0.45rem;
  min-width: 1.6rem;
  place-items: center;
  vertical-align: middle;
}

.shop-item small,
.player small { color: #cba878; display: block; }
.shop-item button,
.player button { padding: 0.55rem 0.72rem; }

.player { grid-template-columns: auto minmax(0, 1fr) auto; }
.player.active { border-color: #78e08f; }
.player i {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--miner);
}

@media (max-width: 1050px) {
  .shell { grid-template-columns: 1fr; align-items: start; }
  .panel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .topbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .board { gap: 0.22rem; }
  .cell { border-radius: 0.45rem; font-size: 0.72rem; }
  .miner { width: 1.1rem; height: 1.1rem; font-size: 0.65rem; }
  .shop-item { grid-template-columns: 1fr; }
}