/* B2 — Turntable */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: #f2ece2;
  background: radial-gradient(circle at 50% 20%, #2c3038, #14161a 70%);
}

.player {
  text-align: center;
  padding: 24px;
}

.player h1 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 24px;
  color: #d8cdb8;
}

/* --- the record player -------------------------------------------------- */

.turntable {
  position: relative;
  width: 700px;
  max-width: 92vw;
  margin: 0 auto;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.55));
}

.base {
  display: block;
  width: 100%;
}

.wheel {
  position: absolute;
  width: 53.6%;
  left: 8.2%;
  top: 15.6%;
  cursor: pointer;
}

.tone-arm {
  position: absolute;
  width: 20%;
  left: 63.3%;
  top: 22.7%;
  /* the pivot of the arm inside its own image */
  transform-origin: 83.3% 11.5%;
  transform: rotate(0deg);
  /* used when the animation is removed, so the arm swings back to its rest position */
  transition: transform 0.8s ease;
}

/* The record spins and the arm swings over it while a song is playing. */
.wheel.animation {
  animation: spin 1.8s linear infinite;
}

.tone-arm.animation {
  animation: arm-play 30s linear forwards;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes arm-play {
  0% {
    transform: rotate(0deg);
  }

  6% {
    transform: rotate(38deg);   /* the needle drops onto the outer edge */
  }

  100% {
    transform: rotate(52deg);   /* and slowly travels towards the label */
  }
}

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

.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.controls button {
  min-width: 64px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  color: #f2ece2;
  background: #3a3f48;
  border: 1px solid #565c68;
  border-radius: 8px;
  cursor: pointer;
}

.controls button:hover {
  background: #474d58;
}

.controls label {
  margin-left: 10px;
  font-size: 14px;
  color: #b3aa9a;
}

.controls input[type="range"] {
  width: 140px;
  accent-color: #e0574a;
}

.hint {
  margin-top: 18px;
  font-size: 14px;
  color: #8d8879;
}