/* 手機版 MP4 透明 hotspot — 1080×1920 百分比定位 */

.mobile-hotspots {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.mobile-hotspot {
  position: absolute;
  display: block;
  pointer-events: auto;
  background: transparent;
  border: 0;
  text-decoration: none;
  cursor: pointer;
  border-radius: 6px;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

/* ── A: none ── */
.mobile-hotspot--fx-none::after,
.mobile-hotspot--fx-none::before {
  display: none;
}

/* ── B: shimmer — 同 desktop 版（移上/撳先有光帶） ── */
.mobile-hotspot--fx-shimmer {
  border-radius: 4px;
}

.mobile-hotspot--fx-shimmer::after {
  content: '';
  position: absolute;
  inset: -20%;
  background: linear-gradient(
    var(--shimmer-angle, 105deg),
    transparent 40%,
    rgba(255, 235, 170, 0.45) 50%,
    transparent 60%
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-hotspot--fx-shimmer:hover::after,
.mobile-hotspot--fx-shimmer:focus-visible::after,
.mobile-hotspot--fx-shimmer:active::after {
  opacity: 1;
  animation: mobile-hotspot-shimmer 2.8s ease-in-out infinite;
}

.mobile-hotspot--fx-shimmer:hover,
.mobile-hotspot--fx-shimmer:active {
  filter: brightness(1.08);
}

@keyframes mobile-hotspot-shimmer {
  0% { transform: translateX(-120%) translateY(-6%); }
  100% { transform: translateX(120%) translateY(6%); }
}

/* ── C: glow 金色呼吸光 ── */
.mobile-hotspot--fx-glow {
  animation: mobile-hotspot-glow 2.2s ease-in-out infinite;
}

.mobile-hotspot--fx-glow:active {
  animation-duration: 0.9s;
  filter: brightness(1.15);
}

@keyframes mobile-hotspot-glow {
  0%, 100% { box-shadow: inset 0 0 10px rgba(255, 190, 70, 0.12); }
  50% { box-shadow: inset 0 0 26px rgba(255, 210, 100, 0.5); }
}

/* ── D: pulse 輕微脈動 ── */
.mobile-hotspot--fx-pulse {
  animation: mobile-hotspot-pulse 1.8s ease-in-out infinite;
}

.mobile-hotspot--fx-pulse:active {
  animation: mobile-hotspot-pulse-press 0.35s ease;
}

@keyframes mobile-hotspot-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@keyframes mobile-hotspot-pulse-press {
  0% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* ── E: ripple 撳下水紋 ── */
.mobile-hotspot--fx-ripple::before {
  content: '';
  position: absolute;
  inset: 50%;
  width: 0;
  height: 0;
  margin: auto;
  border-radius: 50%;
  background: rgba(255, 220, 120, 0.45);
  opacity: 0;
  pointer-events: none;
}

.mobile-hotspot--fx-ripple:active::before {
  animation: mobile-hotspot-ripple 0.55s ease-out;
}

@keyframes mobile-hotspot-ripple {
  0% { width: 0; height: 0; opacity: 0.7; }
  100% { width: 180%; height: 180%; opacity: 0; }
}

/* ── F: flash 撳下閃白 ── */
.mobile-hotspot--fx-flash:active {
  background: rgba(255, 255, 255, 0.35);
  transition: background 0.08s ease;
}

.mobile-hotspot--fx-flash:active::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 248, 220, 0.4);
  animation: mobile-hotspot-flash 0.4s ease;
  pointer-events: none;
}

@keyframes mobile-hotspot-flash {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

/* ── G: border 金色邊框呼吸 ── */
.mobile-hotspot--fx-border {
  animation: mobile-hotspot-border 2s ease-in-out infinite;
}

.mobile-hotspot--fx-border:active {
  box-shadow: inset 0 0 0 3px rgba(255, 215, 90, 0.95);
}

@keyframes mobile-hotspot-border {
  0%, 100% { box-shadow: inset 0 0 0 1px rgba(255, 200, 80, 0.25); }
  50% { box-shadow: inset 0 0 0 2px rgba(255, 220, 110, 0.75); }
}

/* ── H: lift 按下浮起（撳時金色底 + 明顯升起） ── */
.mobile-hotspot--fx-lift {
  box-shadow: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.15s ease;
}

.mobile-hotspot--fx-lift.is-fx-pressed {
  transform: translateY(-7px) scale(1.04);
  background: rgba(255, 195, 70, 0.28);
  box-shadow:
    0 12px 28px rgba(255, 150, 30, 0.5),
    inset 0 0 0 2px rgba(255, 230, 150, 0.75);
}

/* ── debug 綠框 ── */
.mobile-stage.is-debug .mobile-hotspot {
  outline: 2px dashed rgba(0, 255, 120, 0.85);
  background: rgba(0, 255, 120, 0.12);
}

.mobile-stage.is-debug .mobile-hotspot::before {
  content: '#' attr(data-hotspot-num) ' ' attr(aria-label);
  position: absolute;
  top: 2px;
  left: 2px;
  padding: 2px 5px;
  font-size: 9px;
  color: #0a0604;
  background: rgba(0, 255, 120, 0.9);
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 2;
}

.mobile-stage.is-debug .mobile-hotspot--fx-ripple::before {
  content: '#' attr(data-hotspot-num) ' ' attr(aria-label);
  width: auto;
  height: auto;
  inset: auto;
  top: 2px;
  left: 2px;
  border-radius: 3px;
  animation: none;
  opacity: 1;
}

.mobile-stage.is-debug .mobile-hotspot__tag {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  min-width: 26px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(255, 70, 70, 0.92);
  color: #fff;
  font: 700 16px/1 system-ui, sans-serif;
  text-align: center;
  pointer-events: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.mobile-hotspot-legend {
  position: fixed;
  left: 8px;
  bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 200;
  max-width: 280px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(10, 6, 4, 0.94);
  border: 1px solid rgba(0, 255, 120, 0.5);
  color: #f5e6c8;
  font: 12px/1.45 system-ui, -apple-system, sans-serif;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.mobile-hotspot-legend strong {
  display: block;
  color: #5dff9a;
  font-size: 13px;
  margin-bottom: 6px;
}

.mobile-hotspot-legend ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-hotspot-legend li {
  margin-bottom: 3px;
}

.mobile-hotspot-legend b {
  color: #ffd56a;
}

.mobile-hotspot-legend__hint {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  opacity: 0.8;
}

/* ── 效果預覽模式 ?hotspotFxPreview=1 ── */
.mobile-fx-legend {
  position: fixed;
  left: 8px;
  right: 8px;
  bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 200;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(10, 6, 4, 0.94);
  border: 1px solid rgba(255, 213, 106, 0.5);
  color: #f5e6c8;
  font: 12px/1.45 system-ui, -apple-system, sans-serif;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
  pointer-events: none;
}

.mobile-fx-legend strong {
  display: block;
  color: #ffd56a;
  font-size: 13px;
  margin-bottom: 6px;
}

.mobile-fx-legend__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 10px;
}

.mobile-fx-legend__grid span {
  display: block;
}

.mobile-fx-legend__code {
  color: #ffd56a;
  font-weight: 700;
}

.mobile-fx-legend__hint {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  opacity: 0.8;
}

.mobile-stage.is-fx-preview .mobile-hotspot[data-fx-preview] {
  outline: 1px dashed rgba(255, 213, 106, 0.45);
}

.mobile-hotspot__fx-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  padding: 2px 6px;
  font: bold 10px/1.2 system-ui, sans-serif;
  color: #0a0604;
  background: rgba(255, 213, 106, 0.95);
  border-radius: 4px;
  pointer-events: none;
  z-index: 3;
}