/* Workshop amp / tavern PA */

.amp {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  min-height: var(--amp-h);
  padding: 0.75rem clamp(1rem, 3vw, 1.75rem) 0.85rem;
  background:
    linear-gradient(180deg, rgba(50, 34, 24, 0.92), rgba(16, 10, 8, 0.97));
  border-top: 1px solid rgba(201, 166, 107, 0.28);
  box-shadow: 0 -16px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  transform: translateY(110%);
  transition: transform 0.55s var(--ease);
}

body.is-ready .amp {
  transform: none;
}

.amp.is-live {
  border-top-color: rgba(201, 166, 107, 0.55);
}

.amp-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.amp-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wheat);
  margin-bottom: 0.2rem;
}

.amp-title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.2;
}

.amp-sub {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  color: rgba(240, 230, 212, 0.5);
}

.amp-controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.amp-meter {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 1.4rem;
}

.amp-meter span {
  display: block;
  width: 3px;
  height: 30%;
  background: var(--wheat);
  opacity: 0.35;
  transition: height 0.08s linear, opacity 0.08s linear;
}

.amp.is-live .amp-meter span {
  opacity: 0.9;
}

.amp-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid rgba(240, 230, 212, 0.35);
  background: rgba(30, 18, 12, 0.75);
  display: grid;
  place-items: center;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.amp-btn:hover,
.amp-btn:focus-visible {
  border-color: var(--wheat);
  outline: none;
}

.amp-btn .icon-play,
.amp-btn .icon-pause {
  display: block;
  width: 0;
  height: 0;
}

.amp-btn .icon-play {
  border-style: solid;
  border-width: 0.4rem 0 0.4rem 0.7rem;
  border-color: transparent transparent transparent var(--cream);
  margin-left: 0.15rem;
}

.amp-btn .icon-pause {
  display: none;
  width: 0.7rem;
  height: 0.75rem;
  border: 0;
  background:
    linear-gradient(var(--cream), var(--cream)) 0 0 / 0.22rem 100% no-repeat,
    linear-gradient(var(--cream), var(--cream)) 100% 0 / 0.22rem 100% no-repeat;
}

.amp-btn.is-playing .icon-play {
  display: none;
}

.amp-btn.is-playing .icon-pause {
  display: block;
}

.amp-progress {
  margin-top: 0.55rem;
  height: 2px;
  background: rgba(240, 230, 212, 0.12);
  border-radius: 1px;
  overflow: hidden;
}

.amp-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--rust), var(--wheat));
}

.amp-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-top: 0.45rem;
}

.amp-hint {
  margin: 0;
  font-size: 0.78rem;
  color: rgba(240, 230, 212, 0.5);
}

.amp-hint.amp-missing {
  color: rgba(201, 140, 100, 0.85);
}

.amp-time {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: rgba(240, 230, 212, 0.45);
}

@media (max-width: 560px) {
  .amp-sub,
  .amp-hint {
    display: none;
  }

  .amp-title {
    font-size: 0.95rem;
  }
}