@import url("https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@400;600&display=swap");

:root {
  --ui-size: clamp(64px, 6vw, 104px);
  --ui-pad: clamp(18px, 2.4vw, 30px);
  --ui-bg: rgba(20, 16, 12, 0.36);
  --ui-border: rgba(255, 255, 255, 0.2);
  --ui-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #111;
  font-family: "Josefin Sans", sans-serif;
}

#app {
  position: fixed;
  inset: 0;
  background: #000;
}

#bg-video,
#fog-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#bg-video {
  object-fit: cover;
}

#fog-canvas {
  touch-action: none;
  cursor: crosshair;
}

.ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.icon-button {
  pointer-events: auto;
  width: var(--ui-size);
  height: var(--ui-size);
  border-radius: 999px;
  border: 1px solid var(--ui-border);
  background: var(--ui-bg);
  box-shadow: var(--ui-shadow);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 10px;
  transition: transform 0.2s ease;
}

.icon-button:active {
  transform: scale(0.96);
}

.icon-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#refresh-button {
  position: absolute;
  bottom: calc(var(--ui-pad) + 8px);
  right: calc(var(--ui-pad) + 8px);
  transform: scale(1.05);
  transform-origin: center;
}

#refresh-button:active {
  transform: scale(1.01);
}

#exit-button {
  position: absolute;
  top: var(--ui-pad);
  right: var(--ui-pad);
}

.volume-control {
  position: absolute;
  left: var(--ui-pad);
  bottom: var(--ui-pad);
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
}

#volume-slider {
  width: clamp(140px, 16vw, 240px);
  opacity: 0;
  pointer-events: none;
  accent-color: #f2dfc1;
  transition: opacity 0.3s ease;
}

.volume-control.open #volume-slider {
  opacity: 1;
  pointer-events: auto;
}