/**
 * PortalDive.css
 * Styles for the portal dive transition effect
 */

/* Main container */
.portal-dive-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  pointer-events: none;
  perspective: 1000px;
  overflow: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* State-based visibility */
.portal-dive-container[data-state="idle"] {
  visibility: hidden;
  opacity: 0;
}

.portal-dive-container[data-state="diving"],
.portal-dive-container[data-state="immersed"],
.portal-dive-container[data-state="surfacing"] {
  visibility: visible;
  opacity: 1;
  pointer-events: all;
}

/* Background darkening during dive */
.portal-dive-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.95) 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
}

.portal-dive-container[data-state="diving"]::before,
.portal-dive-container[data-state="immersed"]::before,
.portal-dive-container[data-state="surfacing"]::before {
  opacity: 1;
}

/* Water droplet container */
.portal-dive-droplet {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 2;
}

.portal-dive-container[data-state="diving"] .portal-dive-droplet,
.portal-dive-container[data-state="surfacing"] .portal-dive-droplet {
  opacity: 1;
}

/* Water droplet main ring */
.water-droplet-main {
  transition: all 2s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform, opacity;
}

/* Water ripple rings */
.water-ripple {
  transition: all 1s ease-out;
  will-change: transform, opacity;
}

/* Droplet falling animation */
.portal-dive-container.droplet-falling .water-droplet-main {
  animation: dropletFall 2s cubic-bezier(0.25, 0.1, 0.5, 1) forwards;
}

@keyframes dropletFall {
  0% {
    transform: translate(-50%, -50%) translateY(-200px) scale(0.5);
    opacity: 0.8;
  }
  60% {
    transform: translate(-50%, -50%) translateY(0) scale(1.1);
    opacity: 1;
  }
  80% {
    transform: translate(-50%, -50%) translateY(20px) scale(0.9);
  }
  100% {
    transform: translate(-50%, -50%) translateY(0) scale(1.5);
    opacity: 0;
  }
}

/* Ripple activation */
.water-ripple.ripple-active {
  animation: waterRipple 1.5s ease-out forwards;
}

@keyframes waterRipple {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
  }
  20% {
    opacity: 0.6;
  }
  100% {
    transform: translate(-50%, -50%) scale(3);
    opacity: 0;
  }
}

/* Surface animation */
.portal-dive-container.droplet-surfacing .water-droplet-main {
  animation: dropletSurface 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes dropletSurface {
  0% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
  30% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.5;
  }
}

/* Ripple fading */
.water-ripple.ripple-fading {
  animation: rippleFade 0.5s ease-out forwards;
}

@keyframes rippleFade {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.8);
  }
}

/* Water effects */
.water-splash,
.water-vapor {
  position: absolute;
  pointer-events: none;
  z-index: 3;
}

/* Content layer - depth-based positioning */
.portal-dive-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: scale(0.3) translateY(200px);
  opacity: 0;
  filter: blur(10px);
  transition: all 1.2s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 4;
  transform-origin: center center;
}

/* Diving state - content approaches from depth */
.portal-dive-container[data-state="diving"] .portal-dive-content {
  transform: scale(0.7) translateY(50px);
  opacity: 0.3;
  filter: blur(5px);
  transition-delay: 1.5s; /* After splash */
}

/* Immersed state - content fully emerged */
.portal-dive-container[data-state="immersed"] .portal-dive-content {
  transform: scale(1) translateY(0);
  opacity: 1;
  filter: blur(0);
}

/* Surfacing state - content recedes back to depth */
.portal-dive-container[data-state="surfacing"] .portal-dive-content {
  transform: scale(0.5) translateY(100px);
  opacity: 0.2;
  filter: blur(8px);
  transition-duration: 1s;
}

/* Surface button */
.portal-dive-surface {
  position: absolute;
  top: 40px;
  right: 40px;
  width: 80px;
  height: 80px;
  cursor: pointer;
  opacity: 0;
  transform: scale(0) translateY(20px);
  transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 100;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(0, 150, 255, 0.1), rgba(0, 150, 255, 0.05));
  backdrop-filter: blur(10px);
  border: 2px solid rgba(0, 150, 255, 0.3);
}

.portal-dive-container[data-state="immersed"] .portal-dive-surface {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition-delay: 0.8s; /* After content emergence */
  animation: surfaceButtonFloat 3s ease-in-out infinite;
}

.portal-dive-surface:hover {
  transform: scale(1.1) translateY(-5px);
  background: radial-gradient(circle at center, rgba(0, 150, 255, 0.2), rgba(0, 150, 255, 0.1));
  border-color: rgba(0, 150, 255, 0.6);
  box-shadow: 0 10px 30px rgba(0, 150, 255, 0.3);
}

.portal-dive-surface:active {
  transform: scale(0.95) translateY(0);
}

/* Floating animation for surface button */
@keyframes surfaceButtonFloat {
  0%, 100% {
    transform: scale(1) translateY(0);
  }
  50% {
    transform: scale(1) translateY(-8px);
  }
}

/* Surface button visuals */
.portal-dive-surface .surface-ripples {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(0, 150, 255, 0.4);
  border-radius: 50%;
  opacity: 0.6;
}

.portal-dive-surface .surface-ripples::before,
.portal-dive-surface .surface-ripples::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(0, 150, 255, 0.6);
  border-radius: 50%;
  opacity: 0;
  animation: rippleOut 4s ease-out infinite;
  top: 0;
  left: 0;
}

.portal-dive-surface .surface-ripples::after {
  animation-delay: 2s;
  border-color: rgba(0, 150, 255, 0.4);
}

/* Enhanced ripple animation */
@keyframes rippleOut {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.portal-dive-surface .surface-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 28px;
  color: #0096ff;
  font-weight: bold;
  text-align: center;
  line-height: 1;
  text-shadow: 0 2px 10px rgba(0, 150, 255, 0.5);
  transition: all 0.3s ease;
}

.portal-dive-surface:hover .surface-icon {
  color: #00bfff;
  font-size: 30px;
  text-shadow: 0 2px 15px rgba(0, 191, 255, 0.7);
}


/* Content iframe styling */
.portal-dive-content iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* State transition classes for advanced animations */
.portal-dive-container.from-idle.to-diving {
  /* Starting a new dive */
}

.portal-dive-container.from-diving.to-immersed {
  /* Completing the dive */
}

.portal-dive-container.from-immersed.to-surfacing {
  /* Beginning to surface */
}

.portal-dive-container.from-surfacing.to-idle {
  /* Completing the surface */
}

/* Special case: canceling dive */
.portal-dive-container.from-diving.to-idle {
  /* Quick fade out */
}

/* State-specific element behavior */
.portal-dive-container[data-state="diving"] .portal-dive-tunnel {
  animation: tunnelPulse 2s ease-in-out;
}

.portal-dive-container[data-state="surfacing"] .portal-dive-content {
  animation: contentShrink 1.5s ease-in;
}

/* New animations */
@keyframes tunnelPulse {
  0% { transform: translate(-50%, -50%) scale(0.8); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
  100% { transform: translate(-50%, -50%) scale(1); }
}

@keyframes contentShrink {
  from { transform: translateZ(0) scale(1); }
  to { transform: translateZ(-1000px) scale(0.5); }
}

/* Content ready state */
.portal-dive-content.content-ready {
  /* Content is loaded and ready to emerge */
}

/* Content emerging from depth */
.emerging-from-depth {
  will-change: transform, opacity, filter;
}

/* Enhanced depth transitions with better physics */
.portal-dive-container[data-state="idle"] .portal-dive-content {
  transform: scale(0.1) translateY(300px) rotateX(45deg);
  opacity: 0;
  filter: blur(15px);
}

/* Content depth emergence animation */
@keyframes contentEmerge {
  0% {
    transform: scale(0.3) translateY(200px);
    opacity: 0;
    filter: blur(10px);
  }
  50% {
    transform: scale(0.7) translateY(50px);
    opacity: 0.5;
    filter: blur(5px);
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
    filter: blur(0);
  }
}

/* Performance optimizations */
.portal-dive-container * {
  will-change: transform, opacity;
}

/* Reduced motion support */
.portal-dive-container[data-reduced-motion="true"] *,
.portal-dive-container.reduced-motion * {
  animation-duration: 0.3s !important;
  transition-duration: 0.3s !important;
}

.portal-dive-container[data-reduced-motion="true"] .water-droplet-main,
.portal-dive-container.reduced-motion .water-droplet-main {
  animation: none !important;
}

.portal-dive-container[data-reduced-motion="true"] .water-ripple,
.portal-dive-container.reduced-motion .water-ripple {
  animation: none !important;
}

/* Performance level adjustments */
.portal-dive-container[data-performance="low"] {
  transform-style: flat;
}

.portal-dive-container[data-performance="low"] * {
  will-change: auto;
  filter: none !important;
}

.portal-dive-container[data-performance="low"] .portal-dive-surface {
  animation: none !important;
}

/* Medium performance adjustments */
.portal-dive-container[data-performance="medium"] {
  transform-style: preserve-3d;
}

.portal-dive-container[data-performance="medium"] .portal-dive-content {
  filter: blur(0) !important; /* Remove blur effects */
}

/* Prefers-reduced-motion query */
@media (prefers-reduced-motion: reduce) {
  .portal-dive-container * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transform: none !important;
  }
  
  .portal-dive-container .portal-dive-content {
    transition: opacity 0.3s ease !important;
  }
}