/* ═══════════════════════════════════════════
   Splash Screen — CQB Mapping Tool
   ═══════════════════════════════════════════ */

/* ── PixelBlast background layer ── */
#pixelBlastBg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: auto; /* allows click ripples during splash */
  transition: opacity 0.7s ease;
  opacity: 1;
}

#pixelBlastBg.inactive {
  pointer-events: none; /* pass clicks through to app after splash */
}

#pixelBlastBg.fade-out {
  opacity: 0;
  pointer-events: none;
}

/* ── Splash overlay ── */
#splashScreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.65) 100%
  );
  transition: opacity 0.7s ease, visibility 0.7s ease;
  opacity: 1;
  visibility: visible;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: auto;
}

#splashScreen.fade-out {
  opacity: 0;
  visibility: hidden;
}

/* ── Title ── */
#splashTitle {
  font-family: 'Impact', 'Segoe UI', 'Helvetica Neue', 'Arial', sans-serif;
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 2px;
  text-align: center;
  line-height: 1.1;
  padding: 0 1rem;
  color: #D5D5D7;
}

/* ShinyText 渐变流光（揭示完成后叠加） */
#splashTitle.shiny-text {
  background-image: linear-gradient(
    120deg,
    #D5D5D7 0%,
    #D5D5D7 35%,
    #ffffff 50%,
    #D5D5D7 65%,
    #D5D5D7 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shiny-sweep 3s linear infinite;
}

/* shiny 激活时覆盖子元素颜色 */
#splashTitle.shiny-text .decrypted-revealed,
#splashTitle.shiny-text .decrypted-encrypted {
  -webkit-text-fill-color: transparent;
}

@keyframes shiny-sweep {
  0%   { background-position: 150% center; }
  100% { background-position: -50% center; }
}

/* DecryptedText 揭示阶段 */
.decrypted-revealed {
  color: #D5D5D7;
}

.decrypted-encrypted {
  color: rgba(240, 240, 250, 0.35);
  text-shadow: none;
}

/* ── Subtitle: TextType ── */
#splashSubtitle {
  font-family: 'Segoe UI', 'Helvetica Neue', 'Arial', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  font-weight: 300;
  color: rgba(240, 240, 250, 0.7);
  text-align: center;
  letter-spacing: 1px;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#splashSubtitle.text-type {
  display: inline-flex;
  align-items: center;
}

#splashSubtitle .text-type__content {
  color: rgba(240, 240, 250, 0.75);
}

#splashSubtitle .text-type__cursor {
  color: rgba(240, 240, 250, 0.9);
  font-weight: 200;
  margin-left: 0.15rem;
}

.text-type__cursor--hidden {
  display: none;
}

/* ── Skip hint ── */
#splashSkipHint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Segoe UI', 'Helvetica Neue', 'Arial', sans-serif;
  font-size: 0.75rem;
  color: rgba(240, 240, 250, 0.35);
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  pointer-events: auto; /* 按钮可点击 */
  transition: color 0.3s ease;
  animation: fadeInHint 1.5s ease 2s both;
}

#splashSkipHint:hover {
  color: rgba(240, 240, 250, 0.7);
}

@keyframes fadeInHint {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Main app reveal ── */
#mainApp {
  position: relative;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.5s ease;
}