:root {
  --bg: #af9175; /* sampled from assets/background.png's edge pixels, so the page background extends the image seamlessly */
  --panel: #161c2e;
  --panel-border: #2a3350;
  --arena-fill: #1b2338;
  --arena-rim: #3a4568;
  --text: #e8ecf6;
  --text-dim: #8791ac;
  --host: #ff7a52;
  --host-dim: #7a3d2c;
  --client: #4fc3ff;
  --client-dim: #2c5a7a;
  --accent: #ffd166;
  --danger: #ff5c7a;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background-color: var(--bg);
  background-image: url('assets/background.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  overflow: hidden;
}
#app {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ---------- top bar ---------- */
#topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-dim);
  pointer-events: none;
  z-index: 5;
}
#topbar .players {
  display: flex;
  gap: 14px;
}
#topbar .tag {
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  background: rgba(22,28,46,0.8);
}
#topbar .tag.host { color: var(--host); border-color: var(--host-dim); }
#topbar .tag.client { color: var(--client); border-color: var(--client-dim); }
#topbar .tag span.ready { color: var(--accent); font-weight: 700; }
#topbar .round { color: var(--text); font-weight: 600; }
#topbar .rounds-left {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 700;
  color: #ff4d4d;
}
#topbar .opponent-reconnecting {
  position: absolute;
  top: 44px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(22,28,46,0.85);
  border: 1px solid var(--panel-border);
  border-radius: 100px;
  padding: 5px 14px;
  white-space: nowrap;
}

/* ---------- reconnect overlay (our own connection dropped) ---------- */
#reconnectOverlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,13,22,0.82);
}
.reconnect-box {
  text-align: center;
  color: var(--text);
}
.reconnect-box .spinner {
  width: 34px;
  height: 34px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 3px solid var(--panel-border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
#reconnectOverlay p {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0;
}

/* ---------- canvas ---------- */
canvas {
  display: block;
  touch-action: none;
  cursor: pointer;
}

/* ---------- generic panel (menu / lobby / game over) ---------- */
.panel {
  position: relative;
  z-index: 10;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 32px 30px;
  width: min(380px, 88vw);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}
.panel h1 {
  font-size: 22px;
  margin: 0 0 6px;
  letter-spacing: 0.2px;
}
.panel p.sub {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 26px;
  line-height: 1.5;
}
.btn {
  display: block;
  width: 100%;
  padding: 14px 16px;
  margin-top: 10px;
  border-radius: 12px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--host); color: #1a0d08; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.secondary { background: var(--client); color: #06202e; }
.btn.secondary:hover { filter: brightness(1.08); }
.btn.ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--panel-border);
}
.btn.ghost:hover { color: var(--text); border-color: var(--text-dim); }

input.code-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 20px;
  letter-spacing: 6px;
  text-align: center;
  text-transform: uppercase;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: #0e1424;
  color: var(--text);
  margin-bottom: 12px;
}
input.code-input:focus { outline: 2px solid var(--client); }

.code-display {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--accent);
  margin: 6px 0 4px;
}
.waiting-dots::after {
  content: '';
  animation: dots 1.4s steps(4, end) infinite;
}
@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75%, 100% { content: '...'; }
}
.error-text {
  color: var(--danger);
  font-size: 13px;
  margin-top: -4px;
  margin-bottom: 12px;
  min-height: 16px;
}

/* ---------- character customization (menu) ---------- */
.customize {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--panel-border);
}
.customize-preview {
  flex: none;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--arena-fill);
  border: 1px solid var(--panel-border);
}
.customize-controls {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.color-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dim);
}
.color-field input[type="color"] {
  width: 40px;
  height: 28px;
  padding: 0;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  background: none;
  cursor: pointer;
}

/* ---------- bottom control bar (direction / force / status) ---------- */
#controlbar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 20px 26px;
  z-index: 5;
  pointer-events: none;
}
#controlbar .hint {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 10px;
  text-align: center;
}
#controlbar .hint b { color: var(--text); }
#controlbar .opponent-ready {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  text-align: center;
}
#lockBtn {
  pointer-events: auto;
  width: min(220px, 70vw);
  padding: 14px 20px;
  border-radius: 100px;
  border: none;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: #2b1e00;
}
#lockBtn:active { transform: scale(0.97); }
#lockBtn.hidden { display: none; }

.hidden { display: none !important; }