:root {
  --blue: #1f6feb;
  --red: #e53935;
  --black: #0b0b0b;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--black);
}

/* ---- Directory ---- */

.page {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding: 24px;
}

.directory {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.directory a {
  color: var(--black);
  text-decoration: none;
  font-size: 20px;
}

.directory a:hover {
  text-decoration: underline;
}

/* ---- Toggle ---- */

.toggle {
  width: 90px;
  height: 50px;
  border: 2px solid var(--black);
  border-radius: 999px;
  background: var(--white);
  padding: 4px;
  position: relative;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.toggle .knob {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--blue);
  display: block;
  transform: translateX(0);
  transition: transform 0.2s ease;
}

.toggle.on {
  background: #e9f2ff;
}

.toggle.on .knob {
  transform: translateX(40px);
}

.online {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 16px;
  color: var(--black);
}

@keyframes vibrate {
  0%   { transform: translateX(0); }
  15%  { transform: translateX(-5px); }
  30%  { transform: translateX(5px); }
  45%  { transform: translateX(-4px); }
  60%  { transform: translateX(4px); }
  75%  { transform: translateX(-2px); }
  90%  { transform: translateX(2px); }
  100% { transform: translateX(0); }
}

.toggle.vibrate {
  animation: vibrate 0.35s ease;
}

/* ---- Tug of war ---- */

.tug-arena {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--red);
  cursor: pointer;
  overflow: hidden;
  user-select: none;
}

.tug-fill {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  background: var(--blue);
  width: 50%;
  transition: width 1s ease;
}

.tug-divider {
  position: absolute;
  top: 0;
  height: 100%;
  width: 3px;
  background: var(--white);
  right: 50%;
  transition: right 1s ease;
  transform: translateX(50%);
}

.tug-count {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
  transition: color 0.3s ease;
}

.tug-count-red {
  left: 5%;
}

.tug-count-blue {
  right: 5%;
}

/* highlight your chosen side */
.tug-arena[data-side="red"] .tug-count-red,
.tug-arena[data-side="blue"] .tug-count-blue {
  color: rgba(255, 255, 255, 0.9);
}