:root {
  --bg: #0b0e14;
  --panel: #151a22;
  --line: #2b3340;
  --text: #e7ecf3;
  --muted: #9aa4b2;
  --accent: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;

  /* cores dos jogadores */
  --A: #3b82f6;
  --B: #ef4444;
  --C: #22c55e;
  --D: #eab308;

  /* nós */
  --node: #e5e7eb;
  --node-safe: #a7f3d0;
  --node-portal: #facc15;
  --edge: #6b7280;
  --edge-portal: #f59e0b;
  --highlight: #60a5fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, "Segoe UI", Roboto, Arial;
}

.container {
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 16px;
}

/* Menu */
.menu-section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.menu-section h1 {
  margin: 0 0 10px;
  font-size: 24px;
}

.form-group {
  margin: 15px 0;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
}

.form-group .input,
.form-group input,
.form-group select {
  background: #0f1117;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  width: 100%;
  max-width: 300px;
}

.buttons {
  margin: 20px 0;
}

.btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  margin-right: 10px;
  transition: filter 0.2s;
}

.btn:hover {
  filter: brightness(1.1);
}

.btn.warn {
  background: var(--warn);
  color: #111;
}

/* Jogo */
.game-section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

.game-info {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.game-info span {
  color: var(--muted);
}

.game-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
}

.board-area {
  background: #0f1117;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}

#boardSvg {
  width: 100%;
  max-width: 600px;
  min-height: 400px;
  aspect-ratio: 1;
  display: block;
  background: var(--bg);
  border: 2px solid var(--line);
  border-radius: 8px;
}

/* Estilos SVG */
#boardSvg .edge {
  stroke: #60a5fa;
  stroke-width: 0.5;
  stroke-linecap: round;
}

#boardSvg .edge.portal {
  stroke: #fbbf24;
  stroke-width: 0.8;
  stroke-dasharray: 2,1;
}

#boardSvg .node rect {
  fill: #f3f4f6;
  stroke: #60a5fa;
  stroke-width: 0.5;
}

#boardSvg .node.safe rect {
  fill: #86efac;
  stroke: #22c55e;
  stroke-width: 0.7;
}

#boardSvg .node.portal rect {
  fill: #fde047;
  stroke: #f59e0b;
  stroke-width: 0.7;
}

#boardSvg .node.startA rect { fill: #60a5fa; stroke: #3b82f6; stroke-width: 0.8; }
#boardSvg .node.startB rect { fill: #fca5a5; stroke: #ef4444; stroke-width: 0.8; }
#boardSvg .node.startC rect { fill: #86efac; stroke: #22c55e; stroke-width: 0.8; }
#boardSvg .node.startD rect { fill: #fde047; stroke: #eab308; stroke-width: 0.8; }

#boardSvg .node.portal-entrada rect {
  fill: #a78bfa;
  stroke: #7c3aed;
  stroke-width: 0.8;
}

#boardSvg .node.portal-saida rect {
  fill: #9ca3af;
  stroke: #6b7280;
  stroke-width: 0.8;
}

#boardSvg .node.portal-braco rect {
  fill: #c4b5fd;
  stroke: #8b5cf6;
  stroke-width: 0.6;
}

#boardSvg .node.braco rect {
  fill: #9ca3af;
  stroke: #6b7280;
  stroke-width: 0.8;
}

#boardSvg .node.homeA rect { fill: #93c5fd; stroke: #3b82f6; stroke-width: 0.6; }
#boardSvg .node.homeB rect { fill: #fca5a5; stroke: #ef4444; stroke-width: 0.6; }
#boardSvg .node.homeC rect { fill: #86efac; stroke: #22c55e; stroke-width: 0.6; }
#boardSvg .node.homeD rect { fill: #fde047; stroke: #eab308; stroke-width: 0.6; }

#boardSvg .node.metaA rect { fill: #3b82f6; stroke: #1e40af; stroke-width: 0.8; }
#boardSvg .node.metaB rect { fill: #ef4444; stroke: #991b1b; stroke-width: 0.8; }
#boardSvg .node.metaC rect { fill: #22c55e; stroke: #15803d; stroke-width: 0.8; }
#boardSvg .node.metaD rect { fill: #eab308; stroke: #a16207; stroke-width: 0.8; }

#boardSvg .node text {
  fill: #111827;
  font-size: 2.5px;
  font-weight: 700;
  pointer-events: none;
}

#boardSvg .node text.node-id {
  font-size: 1.8px;
  font-weight: 600;
  fill: #374151;
}

#boardSvg .dest {
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

#boardSvg .dest:hover {
  opacity: 1;
}

#boardSvg .dest rect {
  fill: #fbbf24;
  stroke: #f59e0b;
  stroke-width: 1;
  stroke-dasharray: 1,0.5;
  animation: pulse 1.5s ease-in-out infinite;
  opacity: 0.9;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

#boardSvg .piece {
  stroke: #ffffff;
  stroke-width: 0.5;
  transition: r 0.2s;
}

#boardSvg .piece.A { fill: #3b82f6; }
#boardSvg .piece.B { fill: #ef4444; }
#boardSvg .piece.C { fill: #22c55e; }
#boardSvg .piece.D { fill: #eab308; }

#boardSvg .piece.shadow {
  opacity: 0.3;
  stroke: none;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.status-area,
.pieces-info,
.chat-area {
  background: #0f1117;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.pieces-info h4,
.chat-area h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--muted);
}

#chatLog {
  height: 150px;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 10px;
  font-size: 12px;
}

.chat-input {
  display: flex;
  gap: 8px;
}

.chat-input input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
}

.chat-input .btn {
  padding: 6px 12px;
  font-size: 12px;
  margin: 0;
}

.log-area {
  margin-top: 20px;
  background: #0f1117;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.log-area h4 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--muted);
}

#log {
  max-height: 150px;
  overflow-y: auto;
  font-size: 12px;
  color: var(--muted);
}

.share-area {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.share-area a {
  color: var(--accent);
  text-decoration: none;
}



/* Responsive */
@media (max-width: 1000px) {
  .game-content {
    grid-template-columns: 1fr;
  }
  
  .game-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  #boardSvg {
    height: 400px;
  }
}