:root {
  --bg: #05050a;
  --bg-2: #0a0a18;
  --fg: #d8e4ff;
  --dim: #5a6a8a;
  --neon-cyan: #00f0ff;
  --neon-magenta: #ff00d0;
  --neon-green: #7cff7c;
  --neon-yellow: #ffee55;
  --danger: #ff3344;
  --divider: #18203a;
  --mono: 'JetBrains Mono', 'Fira Code', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: radial-gradient(ellipse at center, #0a0a18 0%, #030309 100%);
  color: var(--fg);
  font-family: var(--mono);
  min-height: 100vh;
  overflow-x: hidden;
}

.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.0) 0px,
      rgba(0, 0, 0, 0.0) 2px,
      rgba(0, 240, 255, 0.04) 3px,
      rgba(0, 0, 0, 0.0) 4px
    ),
    radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.6) 100%);
  animation: scan 9s linear infinite;
  mix-blend-mode: screen;
}
@keyframes scan {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 0 60px, 0 0; }
}

.glitch {
  position: relative;
  display: inline-block;
  color: var(--neon-cyan);
  text-shadow:
    0 0 5px var(--neon-cyan),
    0 0 15px rgba(0, 240, 255, 0.5);
  letter-spacing: 0.12em;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.glitch::before {
  color: var(--neon-magenta);
  transform: translate(-2px, 0);
  clip-path: inset(0 0 55% 0);
  animation: glitch-top 2.6s infinite steps(2);
}
.glitch::after {
  color: var(--neon-green);
  transform: translate(2px, 0);
  clip-path: inset(55% 0 0 0);
  animation: glitch-bot 3.1s infinite steps(2);
}
@keyframes glitch-top {
  0%, 90%, 100% { transform: translate(-2px, 0); }
  92% { transform: translate(-5px, -2px); }
  94% { transform: translate(1px, 2px); }
}
@keyframes glitch-bot {
  0%, 90%, 100% { transform: translate(2px, 0); }
  92% { transform: translate(4px, 1px); }
  94% { transform: translate(-1px, -1px); }
}

.topbar {
  padding: 18px 24px 8px;
  text-align: center;
}
.topbar h1 { font-size: clamp(28px, 4vw, 48px); margin: 0; }
.tagline { color: var(--dim); font-size: 12px; letter-spacing: 0.25em; margin: 4px 0 0; text-transform: uppercase; }

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .stage { grid-template-columns: 1fr; }
}

.board-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.board {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(10, 1fr);
  aspect-ratio: 1 / 1;
  gap: 2px;
  background: var(--divider);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.25);
  padding: 2px;
}
.cell {
  position: relative;
  background: var(--bg-2);
  color: var(--dim);
  font-size: clamp(9px, 1.1vw, 13px);
  padding: 3px 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.cell--elevator { background: linear-gradient(135deg, #0a1a2a 0%, #0a3a3a 100%); color: var(--neon-green); border: 1px solid rgba(124, 255, 124, 0.4); }
.cell--trap     { background: linear-gradient(135deg, #1a0a1a 0%, #3a0a2a 100%); color: var(--neon-magenta); border: 1px solid rgba(255, 51, 68, 0.5); }
.cell-num   { font-weight: bold; opacity: 0.7; }
.cell-label { font-size: 8px; letter-spacing: 0.1em; text-align: right; text-transform: uppercase; opacity: 0.8; }
.cell-tokens {
  position: absolute;
  inset: auto 2px 2px auto;
  display: flex;
  gap: 2px;
}
.token {
  width: 14px; height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
  border: 1px solid rgba(255,255,255,0.4);
}
.token--p0 { background: var(--neon-cyan);    color: var(--neon-cyan); }
.token--p1 { background: var(--neon-magenta); color: var(--neon-magenta); }

.hud {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-2);
  border: 1px solid var(--divider);
}
.turn-indicator { color: var(--neon-yellow); letter-spacing: 0.15em; font-size: 13px; text-transform: uppercase; }
.dice-row { display: flex; gap: 12px; align-items: center; }
.dice {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.35) inset;
  font-size: 28px; font-weight: bold; color: var(--neon-cyan);
}
.dice--spin { animation: dice-spin 0.12s linear infinite; }
@keyframes dice-spin { from { transform: rotate(-6deg); } to { transform: rotate(6deg); } }

.event-line { min-height: 20px; font-size: 12px; color: var(--dim); }
.event-line.elevator { color: var(--neon-green); }
.event-line.trap     { color: var(--danger); animation: glitch-top 0.5s 2; }
.event-line.win      { color: var(--neon-yellow); }

.btn {
  background: transparent;
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  padding: 8px 16px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.15em;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.12s, color 0.12s, box-shadow 0.12s;
}
.btn:hover:not(:disabled) { background: var(--neon-cyan); color: var(--bg); box-shadow: 0 0 16px var(--neon-cyan); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn--primary { border-color: var(--neon-magenta); color: var(--neon-magenta); }
.btn--primary:hover:not(:disabled) { background: var(--neon-magenta); color: var(--bg); box-shadow: 0 0 16px var(--neon-magenta); }

.chat-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-2);
  border: 1px solid var(--divider);
  padding: 12px;
  min-height: 0;
  max-height: 620px;
}
@media (max-width: 900px) {
  .chat-panel { max-height: 300px; }
}
.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.chat-title { color: var(--neon-green); font-size: 12px; letter-spacing: 0.2em; margin: 0; }
.voice-btn {
  background: transparent;
  border: 1px solid var(--dim);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  opacity: 0.8;
}
.voice-btn:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
  opacity: 1;
}
.voice-btn.voice-muted {
  border-color: var(--danger);
  opacity: 0.6;
}
.voice-btn.voice-muted:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 8px rgba(124, 255, 124, 0.3);
}
.chat-log {
  flex: 1;
  overflow-y: auto;
  font-size: 12px;
  line-height: 1.55;
  padding-right: 4px;
}
.chat-line { margin-bottom: 4px; }
.chat-callsign { font-weight: bold; margin-right: 4px; }
.chat-line--human    .chat-callsign { color: var(--neon-cyan); }
.chat-line--ai       .chat-callsign { color: var(--neon-magenta); }
.chat-line--system   { color: var(--dim); font-style: italic; }
.chat-form { display: flex; gap: 6px; }
.chat-input {
  flex: 1;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--divider);
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 12px;
}
.chat-input:focus { outline: none; border-color: var(--neon-cyan); box-shadow: 0 0 8px rgba(0, 240, 255, 0.4); }

.modal {
  border: 1px solid var(--neon-magenta);
  background: var(--bg-2);
  color: var(--fg);
  padding: 24px;
  font-family: var(--mono);
  max-width: 420px;
  box-shadow: 0 0 48px rgba(255, 0, 208, 0.3);
}
.modal::backdrop { background: rgba(0,0,0,0.75); }
.modal h2, .modal h3 { letter-spacing: 0.15em; margin-top: 0; }
.modal h3 { font-size: 13px; color: var(--neon-green); margin-bottom: 8px; margin-top: 14px; }
.modal label { display: block; padding: 4px 0; font-size: 13px; cursor: pointer; }
.modal label input { margin-right: 8px; accent-color: var(--neon-magenta); }
.modal button { margin-top: 14px; width: 100%; }

.winner-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.82);
  z-index: 2000;
}
.winner-overlay.hidden { display: none; }
.winner-card {
  background: var(--bg-2);
  border: 1px solid var(--neon-green);
  padding: 32px 48px;
  text-align: center;
  box-shadow: 0 0 64px rgba(124, 255, 124, 0.4);
}
.winner-card h2 { font-size: 28px; margin: 0 0 12px; }
.winner-card p  { color: var(--neon-yellow); margin: 0 0 18px; letter-spacing: 0.2em; }