/* ═══════════════════════════════════════════
   PLOTOX PREMIUM LOADING SCREEN STYLES
   ═══════════════════════════════════════════ */

/* --- Main Loader Overlay --- */
#plotox-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  background-color: #FFFFFF;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  pointer-events: all;
  box-sizing: border-box;
  /* Smooth exit animation */
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(0);
}

/* --- Exit Transition Triggered by JS --- */
#plotox-loader.fade-out {
  opacity: 0;
  transform: translateY(-30px);
  pointer-events: none;
}

/* --- Content Wrapper --- */
.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 1200px;
  padding: 0 20px;
  box-sizing: border-box;
}

/* --- Main Heading --- */
.loader-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 700;
  color: #121212;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 10px 0;
  opacity: 0;
  transform: translateY(15px);
  animation: loaderFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 200ms;
}

/* --- Secondary Text --- */
.loader-subheading {
  font-family: 'Inter', sans-serif;
  font-size: clamp(13px, 2vw, 17px);
  font-weight: 500;
  color: #6B6B6B;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 28px 0;
  opacity: 0;
  transform: translateY(10px);
  animation: loaderFadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 650ms;
}

/* --- Brand Logo Reveal Wrapper --- */
.loader-brand-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 10px;
  overflow: visible;
}

/* --- Massive Brand Typography --- */
.loader-brand-wrapper .giant-text-word {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(90px, 20vw, 260px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: #000000;
  position: relative;
  overflow: visible;
  white-space: nowrap;
}

/* --- Individual Staggered Letters --- */
.gt-letter {
  display: inline-block;
  position: relative;
  will-change: transform, opacity;
  opacity: 0;
  transform: translateY(30px) scale(0.85);
}

/* --- Timing & Specific Keyframes for Reveal Sequence --- */

/* P Letter: Static position reveal */
.gt-letter-p {
  animation: letterRevealStatic 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1100ms;
}

/* L Letter: Static position reveal */
.gt-letter-l {
  animation: letterRevealStatic 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1220ms;
}

/* O1 Letter (First O): Static position reveal */
.gt-letter-o1 {
  animation: letterRevealStatic 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1340ms;
}

/* T Letter: Static position reveal */
.gt-letter-t {
  animation: letterRevealStatic 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1460ms;
}

/* O2 Letter (Second O): Rising reveal (elevated to -0.22em) */
.gt-letter-o2 {
  animation: letterRevealRisingO 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1580ms;
}

/* X Letter: Rising reveal (elevated to -0.40em) */
.gt-letter-x {
  animation: letterRevealRisingX 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 1700ms;
}

/* ═══════════════════════════════════════════
   KEYFRAME DEFINITIONS (GPU-Accelerated)
   ═══════════════════════════════════════════ */

/* Text fade in and slide up */
@keyframes loaderFadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Static Letter Entry */
@keyframes letterRevealStatic {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Rising Letter 'o' Reveal (Stretched by 0.55 * 0.4 factor -> 0.22em) */
@keyframes letterRevealRisingO {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.85);
  }

  /* Stretches up into its elevated spot */
  100% {
    opacity: 1;
    transform: translateY(-0.22em) scale(1);
  }
}

/* Rising Letter 'x' Reveal (Stretched by 1.0 * 0.4 factor -> 0.40em) */
@keyframes letterRevealRisingX {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.85);
  }

  /* Stretches up into its elevated spot */
  100% {
    opacity: 1;
    transform: translateY(-0.40em) scale(1);
  }
}

/* ═══════════════════════════════════════════
   APP CONTENT SHADOW & FADE-IN
   ═══════════════════════════════════════════ */

/* Prevent scroll on body during initialization */
body.loading-active {
  overflow: hidden !important;
}

/* Start app elements completely hidden and shifted */
body.loading-active .app-topbar,
body.loading-active .app-body {
  opacity: 0 !important;
  transform: translateY(12px) !important;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Once class is removed, transition back to standard display */
body.app-ready .app-topbar,
body.app-ready .app-body {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Responsive adjustment for extra compact devices */
@media (max-width: 480px) {
  .loader-brand-wrapper .giant-text-word {
    font-size: clamp(64px, 18vw, 110px);
  }

  .loader-heading {
    margin-bottom: 6px;
  }

  .loader-subheading {
    margin-bottom: 16px;
  }
}