:root {
  --purple: #9945ff;
  --green: #14f195;
  --cyan: #00ffd5;
  --bg: #050508;
  --panel: rgba(10, 10, 18, 0.88);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: var(--bg);
  color: #f4f4ff;
  font-family: "Space Grotesk", system-ui, sans-serif;
  overflow-x: hidden;
}

.game-bg {
  position: fixed;
  inset: 0;
  background: url("/123.png") center / cover no-repeat;
  z-index: 0;
}

.game-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(5, 5, 8, 0.4), rgba(5, 5, 8, 0.92));
}

.game-shell {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem;
}

.panel-box {
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid rgba(153, 69, 255, 0.35);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.game-topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
}

.topbar-actions {
  display: flex;
  gap: 0.5rem;
}

.chip-btn {
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(153, 69, 255, 0.45);
  border-radius: 999px;
  background: rgba(153, 69, 255, 0.12);
  color: var(--cyan);
  font-family: "Orbitron", sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
}

.chip-btn:hover {
  background: rgba(153, 69, 255, 0.28);
  transform: translateY(-1px);
}

.chip-btn--nft {
  border-color: rgba(0, 255, 213, 0.4);
  background: rgba(0, 255, 213, 0.1);
  color: var(--cyan);
}

.chip-btn--play {
  border-color: rgba(20, 241, 149, 0.5);
  background: linear-gradient(135deg, var(--green), #0bc978);
  color: #04140e;
  font-size: 0.75rem;
  padding: 0.65rem 1.25rem;
}

.hud-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
}

.game-stage {
  display: grid;
  grid-template-columns: minmax(165px, 210px) minmax(280px, 1fr) minmax(165px, 210px);
  gap: 0.75rem;
  flex: 1;
  align-items: stretch;
}

.stage-main {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.stage-main .canvas-wrap {
  padding: 0.5rem;
  width: 100%;
  max-width: 620px;
}

.stage-side {
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: 820px;
}

.side-head {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
}

.side-head h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--green);
}

.side-gallery {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--purple) transparent;
}

.side-gallery .nft-gallery--game {
  grid-template-columns: 1fr;
}

.side-gallery .nft-gallery--game .nft-card-art {
  min-height: 150px;
}

.overlay-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  width: 100%;
  max-width: 280px;
}

.game-header {
  display: none;
}

.back {
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.brand {
  grid-column: 2;
  font-family: "Orbitron", sans-serif;
  font-weight: 900;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-align: right;
  background: linear-gradient(90deg, var(--purple), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand span { opacity: 0.85; }

.hud {
  display: none;
}

.hud-item label {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: #9aa0b5;
  font-family: "Orbitron", sans-serif;
}

.hud-item strong {
  font-size: 1.1rem;
  color: var(--green);
  text-shadow: 0 0 10px rgba(20, 241, 149, 0.4);
}

.canvas-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.side-gallery .nft-gallery {
  grid-template-columns: 1fr;
  gap: 0.45rem;
}

#game {
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 600 / 780;
  border-radius: 12px;
  border: 2px solid rgba(153, 69, 255, 0.45);
  box-shadow: 0 0 30px rgba(153, 69, 255, 0.25);
  background: #0a0a12;
  touch-action: none;
  display: block;
  margin: 0 auto;
}

.overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  border-radius: 16px;
  background: rgba(5, 5, 12, 0.88);
  backdrop-filter: blur(8px);
}

.overlay.hidden { display: none; }

.overlay-ball {
  animation: float 2.5s ease-in-out infinite;
  filter: drop-shadow(0 0 16px rgba(255, 50, 50, 0.5));
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(8deg); }
}

.overlay h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 1.35rem;
  background: linear-gradient(135deg, #fff, var(--purple), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.game-lobby {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.75rem;
  padding: 2.5rem 1.5rem;
  min-height: 420px;
}

.lobby-ball {
  animation: float 2.5s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(255, 50, 50, 0.5));
}

.game-lobby h1 {
  font-family: "Orbitron", sans-serif;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #fff, var(--purple), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.game-lobby p {
  color: #b8bfd4;
  font-size: 0.9rem;
  max-width: 300px;
  line-height: 1.5;
}

.lobby-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  width: 100%;
  max-width: 320px;
  margin-top: 0.5rem;
}

.game-ui.hidden {
  display: none;
}

.game-ui {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.overlay h1 {
  font-family: "Orbitron", sans-serif;
  font-size: 1.35rem;
  background: linear-gradient(135deg, #fff, var(--purple), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.overlay p {
  color: #b8bfd4;
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 280px;
}

.controls-hint {
  font-size: 0.75rem !important;
  color: #7a8198 !important;
}

#start-btn {
  margin-top: 0.5rem;
  padding: 0.85rem 2rem;
  border: none;
  border-radius: 12px;
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: #04140e;
  background: linear-gradient(135deg, var(--green), #0bc978);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(20, 241, 149, 0.35);
  transition: transform 0.15s, filter 0.15s;
}

#start-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.game-footer {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  padding: 1rem 0;
  font-size: 0.8rem;
  color: #9aa0b5;
}

.game-footer a {
  color: var(--green);
  text-decoration: none;
}

.game-footer a:hover { text-decoration: underline; }

.shop-btn {
  grid-column: 1 / -1;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(153, 69, 255, 0.5);
  border-radius: 10px;
  background: rgba(153, 69, 255, 0.15);
  color: var(--cyan);
  font-family: "Orbitron", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.shop-btn:hover {
  background: rgba(153, 69, 255, 0.3);
  transform: translateY(-1px);
}

.shop-btn--menu {
  margin-top: 0.25rem;
  background: rgba(20, 241, 149, 0.12);
  border-color: rgba(20, 241, 149, 0.4);
  color: var(--green);
}

.shop-btn--nft {
  background: rgba(0, 255, 213, 0.1);
  border-color: rgba(0, 255, 213, 0.35);
  color: var(--cyan);
}

.shop-panel {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(5, 5, 12, 0.95);
  backdrop-filter: blur(10px);
  overflow-y: auto;
  padding: 1rem;
}

.shop-panel.hidden { display: none; }

.shop-header {
  position: relative;
  max-width: 720px;
  margin: 0 auto 1rem;
  text-align: center;
}

.shop-header h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 1.25rem;
  background: linear-gradient(90deg, var(--purple), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.shop-header p {
  color: #9aa0b5;
  font-size: 0.85rem;
  margin-top: 0.35rem;
}

.shop-wallet {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: #b8bfd4;
}

.shop-wallet strong {
  color: var(--green);
  font-size: 1.1rem;
}

.shop-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}

#start-btn { all: unset; }

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 2rem;
}

#nft-gallery-collection .nft-gallery {
  max-width: 720px;
  margin: 0 auto;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
}

@media (max-width: 900px) {
  .game-stage {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
  }
  .stage-side {
    max-height: none;
  }
  .stage-side--left { order: 2; }
  .stage-main { order: 1; }
  .stage-side--right { order: 3; }
  .side-gallery .nft-gallery {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }
  .nft-gallery--side {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)) !important;
  }
}

@media (max-width: 480px) {
  .hud-grid { grid-template-columns: repeat(2, 1fr); }
  .topbar-actions .chip-btn { padding: 0.4rem 0.6rem; font-size: 0.6rem; }
  .overlay-actions { grid-template-columns: 1fr; }
}

.shop-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.85rem;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid rgba(153, 69, 255, 0.3);
  text-align: center;
}

.shop-card--equipped {
  border-color: var(--green);
  box-shadow: 0 0 16px rgba(20, 241, 149, 0.25);
}

.shop-ball-preview {
  width: 48px;
  height: 48px;
  margin: 0 auto;
  border-radius: 50%;
  background: linear-gradient(180deg, #fff 50%, var(--ball-color) 50%);
  border: 2px solid var(--ball-accent);
  box-shadow: 0 0 12px var(--ball-color);
  position: relative;
}

.shop-ball-preview::after {
  content: "";
  position: absolute;
  inset: 44% 0;
  background: var(--ball-accent);
  height: 3px;
}

.shop-card h3 {
  font-family: "Orbitron", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: #fff;
}

.shop-card p {
  font-size: 0.7rem;
  color: #8b92a8;
  line-height: 1.35;
  flex: 1;
}

.shop-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
}

.tag {
  font-size: 0.55rem;
  font-family: "Orbitron", sans-serif;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.tag-dmg { background: rgba(245, 158, 11, 0.25); color: #fbbf24; }
.tag-fire { background: rgba(255, 69, 0, 0.25); color: #ff6b35; }
.tag-zap { background: rgba(250, 204, 21, 0.25); color: #facc15; }
.tag-ice { background: rgba(34, 211, 238, 0.25); color: #22d3ee; }
.tag-poison { background: rgba(168, 85, 247, 0.25); color: #c084fc; }
.tag-ghost { background: rgba(209, 213, 219, 0.2); color: #e5e7eb; }
.tag-steel { background: rgba(148, 163, 184, 0.25); color: #cbd5e1; }
.tag-spark { background: rgba(238, 27, 36, 0.25); color: #ff6b6b; }
.tag-cross { background: rgba(37, 99, 235, 0.25); color: #60a5fa; }
.tag-col { background: rgba(245, 158, 11, 0.25); color: #fbbf24; }

.shop-action {
  margin-top: 0.25rem;
  padding: 0.5rem;
  border: none;
  border-radius: 8px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  background: linear-gradient(135deg, var(--green), #0bc978);
  color: #04140e;
}

.shop-action:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.1);
  color: #9aa0b5;
}