:root {
  --bg: #02060b;
  --panel: #071524;
  --line: rgba(124, 230, 255, 0.28);
  --cyan: #7ce6ff;
  --amber: #ffcc55;
  --text: #e2f5ff;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Trebuchet MS", Verdana, Arial, sans-serif;
}

button { font: inherit; }

.player-shell {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background:
    linear-gradient(90deg, rgba(124, 230, 255, 0.025) 1px, transparent 1px),
    linear-gradient(rgba(124, 230, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 50% 45%, #0b2033, var(--bg) 70%);
  background-size: 32px 32px, 32px 32px, auto;
}

.player-bar,
.transport {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 0.9rem;
  border-color: var(--line);
  background: rgba(4, 14, 25, 0.94);
  z-index: 3;
}

.player-bar {
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.deck-identity { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.deck-identity div { min-width: 0; }
.deck-identity p { margin: 0 0 0.12rem; color: var(--cyan); font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase; }
.deck-identity h1 { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: clamp(0.95rem, 2vw, 1.3rem); letter-spacing: 0; }

.channel-mark {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 204, 85, 0.55);
  background: #d99d22;
  color: #190e00;
  font-weight: 800;
}

.player-readout { display: flex; gap: 0.65rem; align-items: center; white-space: nowrap; font-size: 0.75rem; }
.player-readout span { padding: 0.35rem 0.5rem; border: 1px solid var(--line); color: var(--cyan); }
#playerState { color: var(--amber); }
#interactionState { color: #d6c1ff; }

.stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: clamp(0.6rem, 2vw, 1.4rem);
}

.stage-grid,
.slide-scan { position: absolute; inset: 0; pointer-events: none; }
.stage-grid { background: radial-gradient(circle at 50% 50%, transparent 35%, rgba(0,0,0,0.72)); }
.slide-scan { opacity: 0.13; background: repeating-linear-gradient(180deg, rgba(255,255,255,0.18) 0 1px, transparent 1px 4px); }

#slideImage {
  position: relative;
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border: 1px solid rgba(221, 245, 255, 0.24);
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.8), 0 18px 60px rgba(0,0,0,0.72), 0 0 40px rgba(124,230,255,0.12);
  opacity: 0;
  transform: translateY(14px) scale(0.99);
  transition: opacity 260ms ease, transform 320ms ease;
}

#slideImage.is-ready { opacity: 1; transform: translateY(0) scale(1); }

.animation-layer,
.interaction-layer {
  position: absolute;
}

.animation-layer {
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.animation-fragment {
  position: absolute;
  inset: 0;
  background-position: 0 0;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  will-change: opacity, transform;
}

.interaction-layer {
  z-index: 2;
  pointer-events: none;
}

.slide-hotspot {
  position: absolute;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 1px solid rgba(183, 139, 255, 0.12);
  background: rgba(183, 139, 255, 0.025);
  color: transparent;
  pointer-events: auto;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.slide-hotspot:hover,
.slide-hotspot:focus-visible,
.interaction-layer.show-regions .slide-hotspot {
  border-color: rgba(203, 177, 255, 0.92);
  background: rgba(111, 74, 173, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.24), 0 0 12px rgba(183,139,255,0.38);
  outline: none;
}

.slide-hotspot::after {
  content: "";
  position: absolute;
  right: 2px;
  top: 2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(203,177,255,0.55);
  box-shadow: 0 0 6px rgba(183,139,255,0.8);
}

.interaction-layer.show-regions .slide-hotspot::after { background: #fff; }
.load-state { position: absolute; margin: 0; color: var(--cyan); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.75rem; }
.load-state[hidden] { display: none; }

.transport {
  border-top: 1px solid var(--line);
  min-width: 0;
}

.transport-controls { display: flex; gap: 0.42rem; flex: 0 0 auto; }
.transport-right { margin-left: auto; }
.transport button {
  width: 2.6rem;
  height: 2.35rem;
  padding: 0;
  border: 1px solid rgba(208, 242, 255, 0.27);
  background: linear-gradient(#153650, #091c2c);
  color: var(--text);
  cursor: pointer;
}
.transport button:hover,
.transport button:focus-visible { border-color: var(--cyan); color: #fff; outline: none; box-shadow: 0 0 0 2px rgba(124,230,255,0.15); }
.transport button:disabled { opacity: 0.34; cursor: default; box-shadow: none; }

.progress-track {
  position: relative;
  height: 0.7rem;
  min-width: 5rem;
  flex: 1 1 auto;
  border: 1px solid rgba(124,230,255,0.2);
  background: rgba(0,0,0,0.55);
  cursor: pointer;
}
.progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--amber), var(--cyan)); transition: width 180ms ease; }

@media (max-width: 620px) {
  .player-bar { gap: 0.5rem; }
  .player-readout #playerState,
  .player-readout #interactionState { display: none; }
  .transport { gap: 0.5rem; padding: 0.55rem; }
  .transport button { width: 2.3rem; }
  .transport-controls { gap: 0.25rem; }
  #restartDeck { display: none; }
}