* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-user-select: none;
  user-select: none;
}

/* --- Canvas sizing: snap to integer multiples of 240x160 --- */

#canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
}

/* 1x: 240x160 (default / smallest) */
#canvas {
  width: 240px;
  height: 160px;
}

/* 2x: 480x320 */
@media (min-width: 480px) and (min-height: 320px) {
  #canvas { width: 480px; height: 320px; }
}

/* 3x: 720x480 */
@media (min-width: 720px) and (min-height: 480px) {
  #canvas { width: 720px; height: 480px; }
}

/* 4x: 960x640 */
@media (min-width: 960px) and (min-height: 640px) {
  #canvas { width: 960px; height: 640px; }
}

/* 5x: 1200x800 */
@media (min-width: 1200px) and (min-height: 800px) {
  #canvas { width: 1200px; height: 800px; }
}

/* 6x: 1440x960 */
@media (min-width: 1440px) and (min-height: 960px) {
  #canvas { width: 1440px; height: 960px; }
}

/* --- Fill mode: disable integer scaling, stretch to viewport --- */

#canvas.fill {
  width: 100vw;
  height: 100vh;
  object-fit: contain;
}

/* --- Wrapper: positions overlay on top of canvas --- */

#wrapper {
  position: relative;
  display: inline-block;
  line-height: 0;
}

/* --- Hover overlay (frosted glass) --- */

#overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

@media (hover: hover) {
  #wrapper:hover #overlay {
    opacity: 1;
    pointer-events: auto;
  }
}

#overlay.pinned,
#overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* --- Playback controls --- */

#controls {
  display: flex;
  align-items: center;
  gap: 32px;
}

#controls button {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, color 0.15s ease;
}

#controls button:hover {
  transform: scale(1.15);
}

#controls button:active {
  transform: scale(0.95);
}

#fast-forward.active {
  color: #7dd3fc;
}

/* --- Volume slider --- */

#volume {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  width: 200px;
  max-width: 60%;
}

#vol-icon {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

#vol-track {
  position: relative;
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 3px;
  cursor: pointer;
}

#vol-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: white;
  border-radius: 3px;
  pointer-events: none;
}

#vol-knob {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.4);
}

/* --- Drop overlay --- */

#drop-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  border: 2px dashed rgba(255, 255, 255, 0.5);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}

#drop-overlay.visible {
  opacity: 1;
}