/*────────────────────────────────────────────────────────────────────*/
/* 0) Variables & Font Import (from oldstyle.css)                 */
/*────────────────────────────────────────────────────────────────────*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');
:root {
  --color-blue-100: #DFE8F2;
  --color-blue-200: #CCD7E4;
  --color-blue-900: #2F3550;
  --border-radius-default: .25rem;
  --border-radius-md: .5rem;
}

/*────────────────────────────────────────────────────────────────────*/
/* 1) Base Reset & Full-Viewport Setup                              */
/*────────────────────────────────────────────────────────────────────*/
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  box-sizing: border-box;
  font-family: 'Inter', 'Roboto', 'Helvetica', sans-serif;
  color: var(--color-blue-900);
  background: #000; /* fallback */
}
*, *::before, *::after {
  box-sizing: inherit;
}

/* Optional background from old style */
body {
  background-size: cover;
}

/*────────────────────────────────────────────────────────────────────*/
/* 2) Parallax Layers Container                                    */
/*────────────────────────────────────────────────────────────────────*/
#parallaxContainer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  z-index: 0;
}
.parallax-layer {
  position: absolute;
  top: -5%; left: -5%;
  width: 110%; height: 110%;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  will-change: transform;
}
#layer-back   { background-image: url('parallax-back.jpg');   z-index: 0; }
#layer-mid    { background-image: url('parallax-mid.png');    z-index: 1; }
#layer-front  { background-image: url('parallax-front.png');  z-index: 2; }

/*────────────────────────────────────────────────────────────────────*/
/* 3) Unity Container & Canvas (oldstyle classes)                   */
/*────────────────────────────────────────────────────────────────────*/
#unityContainer, #unity-container {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
}
#unity-canvas, #unity-canvas {
  width: 100%; height: 100%;
  background: transparent;
}
.noselect {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/*────────────────────────────────────────────────────────────────────*/
/* 4) Loading Overlay & Flipbook Animation                         */
/*────────────────────────────────────────────────────────────────────*/
#loadingOverlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#overlayContent {
  position: relative;
  z-index: 11;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: #fff;
  pointer-events: none;
}
#flipbookLogo {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  background-image: url('logo-spritesheet.png');
  background-repeat: no-repeat;
  animation: flipbookAnim 2s steps(20) infinite;
  transform: scale(1.2) translateY(-20px);
  transform-origin: center center;
}
@keyframes flipbookAnim {
  from { background-position: 1px   0px; }
  to   { background-position: -1999px 0px; }
}

#progressContainer {
  width: 300px; height: 12px;
  background: rgba(255,255,255,0.2);
  border-radius: 6px;
  overflow: hidden;
  margin: 0 auto 8px;
}
#progressBar {
  height: 100%; width: 0%;
  background: #313D77;
  transition: width 0.2s ease-out;
}
#progressPercent {
  margin-top: .5rem;
  color: var(--color-blue-900);
  font-size: .7rem;
  font-weight: bold;
  text-align: center;
  text-transform: uppercase;
}

/*────────────────────────────────────────────────────────────────────*/
/* 5) Debug Panel, Dialogs & Buttons (from oldstyle.css)            */
/*────────────────────────────────────────────────────────────────────*/
#nl3d-debug {
  display: none;
  height: auto;
  background: rgba(255,255,255,.5);
  align-items: center;
  padding: .25rem .5rem;
  font-size: .7rem;
  border-bottom: 1px solid var(--color-blue-100);
}
#nl3d-debug.--visible { display: flex; }
.debug-badge {
  display: inline-block;
  background: var(--color-blue-100);
  border-radius: 9999px;
  padding: .2rem .5rem;
  font-size: 80%;
}
#unity-mobile-warning, #unity-load-error {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  display: none;
  width: 350px;
}
#unity-mobile-warning.--visible, #unity-load-error.--visible {
  display: block;
}
@media (max-width: 600px) {
  #unity-mobile-warning, #unity-load-error {
    top: 10%; transform: translate(-50%);
  }
}

/*────────────────────────────────────────────────────────────────────*/
/* 6) Dialog Headings & Buttons                                      */
/*────────────────────────────────────────────────────────────────────*/
.dialog {
  background: white;
  border: 2px solid var(--color-blue-100);
  border-radius: var(--border-radius-default);
  padding: 1rem;
  font-size: .875rem;
}
.paragraph-heading {
  border-left: 2px solid var(--color-blue-900);
  margin-bottom: .75rem;
  padding-left: var(--border-radius-default);
}
.dialog--header {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-blue-100);
  display: flex;
  align-items: center;
  gap: .375rem;
  font-weight: bold;
}
.dialog--header-icon { height: .8rem; }
.dialog--footer { text-align: right; margin-top: .75rem; }
.button {
  display: inline-block;
  border: 1px solid var(--color-blue-200);
  color: var(--color-blue-900);
  text-decoration: none;
  padding: .75rem;
  border-radius: var(--border-radius-md);
}
#nl3d-back-button { display: none; }
#nl3d-back-button.--visible { display: inline-block; }

/*────────────────────────────────────────────────────────────────────*/
/* 7) Accessibility & Reduced-Motion                                  */
/*────────────────────────────────────────────────────────────────────*/
canvas + * { z-index: 2; }
@media (prefers-reduced-motion: reduce) {
  #flipbookLogo { animation: none !important; }
  .parallax-layer { transform: none !important; }
}