:root {
  --cyan: #00f5ff;
  --magenta: #ff006e;
  --yellow: #ffe600;
  --green: #00ff88;
  --red: #ff3b5c;
  --bg: #08080f;
  --panel: #10101d;
  --panel-2: #17172b;
  --text: #f7fbff;
  --muted: #a9b5c7;
  --line: rgba(0, 245, 255, 0.24);
  --shadow-cyan: 0 0 22px rgba(0, 245, 255, 0.42);
  --shadow-magenta: 0 0 22px rgba(255, 0, 110, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 12%, rgba(0, 245, 255, 0.16), transparent 32%),
    radial-gradient(circle at 86% 22%, rgba(255, 0, 110, 0.16), transparent 30%),
    linear-gradient(135deg, #08080f 0%, #111126 54%, #08080f 100%);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

button {
  border: 0;
  font: inherit;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  opacity: 0.15;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 100% 4px;
}

.back-link {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 8;
  color: var(--cyan);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0;
  text-shadow: var(--shadow-cyan);
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 74px 0 32px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
  margin-bottom: 18px;
}

.eyebrow,
.panel-label {
  margin: 0 0 8px;
  color: var(--yellow);
  font-family: "Press Start 2P", monospace;
  font-size: 0.62rem;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: "Press Start 2P", monospace;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.55rem, 4vw, 3.15rem);
  color: var(--cyan);
  text-shadow: var(--shadow-cyan);
}

.stats,
.result-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(74px, 1fr));
  gap: 10px;
}

.stat,
.result-stats div {
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(0, 245, 255, 0.2);
  background: rgba(16, 16, 29, 0.78);
  box-shadow: inset 0 0 14px rgba(0, 245, 255, 0.06);
}

.stat span,
.result-stats span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.stat strong,
.result-stats strong {
  color: var(--green);
  font-family: "Press Start 2P", monospace;
  font-size: 1rem;
}

.play-shell {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(268px, 340px);
  gap: 18px;
  align-items: start;
}

.board-wrap,
.command-panel,
.achievements,
.result-card {
  border: 1px solid var(--line);
  background: rgba(10, 10, 21, 0.82);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.34), inset 0 0 34px rgba(0, 245, 255, 0.05);
}

.board-wrap {
  padding: clamp(10px, 2vw, 18px);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(5px, 1.2vw, 10px);
  width: min(74vh, 100%);
  max-width: 680px;
  aspect-ratio: 1;
  margin: 0 auto;
}

.cell {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  aspect-ratio: 1;
  border: 1px solid rgba(0, 245, 255, 0.22);
  background: linear-gradient(145deg, rgba(21, 22, 43, 0.9), rgba(10, 10, 21, 0.92));
  color: var(--text);
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.cell::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.76);
  transition: opacity 120ms ease, transform 120ms ease;
}

.cell:hover,
.cell:focus-visible {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-1px);
}

.cell.danger {
  background:
    linear-gradient(145deg, rgba(255, 59, 92, 0.25), rgba(48, 10, 24, 0.92)),
    repeating-linear-gradient(45deg, rgba(255, 59, 92, 0.16) 0 6px, transparent 6px 12px);
  border-color: rgba(255, 59, 92, 0.7);
}

.cell.legal {
  border-color: var(--green);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.28);
}

.cell.planned {
  border-color: var(--yellow);
  box-shadow: 0 0 18px rgba(255, 230, 0, 0.32);
}

.cell.wall {
  cursor: not-allowed;
  background: linear-gradient(145deg, rgba(10, 10, 21, 0.9), rgba(3, 3, 9, 0.96));
  border-color: rgba(169, 181, 199, 0.13);
}

.token {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 62%;
  height: 62%;
  border-radius: 50%;
  font-weight: 900;
  line-height: 1;
}

.unit-token {
  color: #001014;
  background: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.enemy-token {
  color: #170006;
  background: var(--magenta);
  box-shadow: var(--shadow-magenta);
}

.gem-token {
  width: 46%;
  height: 46%;
  border-radius: 6px;
  background: var(--yellow);
  box-shadow: 0 0 20px rgba(255, 230, 0, 0.54);
  transform: rotate(45deg);
}

.selected .unit-token {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.command-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.message {
  min-height: 48px;
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.35;
}

.unit-list {
  display: grid;
  gap: 8px;
}

.unit-order {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.82rem;
}

.unit-order strong {
  color: var(--cyan);
}

.unit-order.ready strong:last-child {
  color: var(--green);
}

.button-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.button-row button {
  min-height: 46px;
  padding: 10px;
  border: 1px solid rgba(0, 245, 255, 0.32);
  background: var(--cyan);
  color: #001014;
  cursor: pointer;
  font-weight: 900;
  text-transform: uppercase;
}

.button-row button:nth-child(2) {
  background: var(--panel-2);
  color: var(--text);
}

.button-row button:nth-child(3) {
  background: var(--magenta);
  color: #fff;
  border-color: rgba(255, 0, 110, 0.42);
}

.button-row button:disabled {
  cursor: not-allowed;
  filter: grayscale(1);
  opacity: 0.48;
}

.legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.legend span {
  display: flex;
  gap: 7px;
  align-items: center;
}

.legend i {
  width: 12px;
  height: 12px;
  display: inline-block;
}

.legend-unit {
  background: var(--cyan);
}

.legend-gem {
  background: var(--yellow);
  transform: rotate(45deg);
}

.legend-danger {
  background: var(--red);
}

.legend-enemy {
  background: var(--magenta);
}

.achievements {
  margin-top: 18px;
  padding: 16px;
}

.achievements h2 {
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 0.95rem;
}

.achievement-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.achievement {
  padding: 10px;
  border: 1px solid rgba(169, 181, 199, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.achievement.unlocked {
  border-color: rgba(0, 255, 136, 0.42);
  color: var(--text);
  box-shadow: inset 0 0 16px rgba(0, 255, 136, 0.08);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 12;
  min-width: min(360px, calc(100% - 28px));
  padding: 12px 18px;
  background: var(--green);
  color: #001014;
  font-weight: 900;
  text-align: center;
  transform: translate(-50%, 80px);
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease;
}

.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.72);
}

.overlay.hidden {
  display: none;
}

.result-card {
  width: min(540px, 100%);
  padding: 22px;
}

.result-card h2 {
  margin-bottom: 12px;
  color: var(--magenta);
  font-size: clamp(1.2rem, 5vw, 2rem);
}

.result-card p:not(.eyebrow) {
  margin: 0 0 18px;
  color: var(--muted);
  font-weight: 800;
}

.result-stats {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 14px;
}

.shake {
  animation: shake 220ms linear;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-6px);
  }

  75% {
    transform: translateX(6px);
  }
}

@media (max-width: 880px) {
  .topbar,
  .play-shell {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .board-grid {
    width: min(92vw, 620px);
  }
}

@media (max-width: 560px) {
  .back-link {
    top: 12px;
    left: 12px;
    font-size: 0.72rem;
  }

  .shell {
    width: min(100% - 18px, 1180px);
    padding-top: 54px;
  }

  .stats,
  .result-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .board-wrap,
  .command-panel,
  .achievements {
    padding: 10px;
  }

  .button-row {
    grid-template-columns: 1fr;
  }

  .legend {
    grid-template-columns: 1fr;
  }

  .token {
    width: 70%;
    height: 70%;
    font-size: 0.85rem;
  }
}