/* ============================================
   WCSH Institutional Journey Display
   Orange-forward, modernized theme
   Base: 720x360 physical LED (2:1), vw/vh scaled
   ============================================ */

:root {
  --wcsh-orange:       #ec5a24;
  --wcsh-orange-light: #ff8a4c;
  --wcsh-orange-dark:  #b8410f;
  --wcsh-orange-soft:  #fff1e8;
  --wcsh-teal:         #1b3a4b;
  --wcsh-teal-light:   #2c5f6f;
  --wcsh-bg:           #fffaf6;
  --wcsh-white:        #ffffff;
  --wcsh-text:         #2b2320;
  --wcsh-text-soft:    #8a6f60;

  --footer-height: 11vh;
  --transition-speed: 700ms;
  --ease-modern: cubic-bezier(0.16, 1, 0.3, 1);

  --font-body-min: 4.2vh;
  --font-caption: 4.6vh;
  --font-title: 8.5vh;
  --font-headline: 12vh;

  --radius-lg: 2.4vh;
  --radius-md: 1.6vh;
  --radius-sm: 1vh;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--wcsh-bg);
  color: var(--wcsh-text);
  font-family: 'Segoe UI', 'Noto Sans Ethiopic', Arial, sans-serif;
  font-size: var(--font-body-min);
  line-height: 1.35;
}

#stage {
  position: relative;
  width: 100%;
  height: calc(100% - var(--footer-height));
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 12%, var(--wcsh-orange-soft) 0%, transparent 42%),
    radial-gradient(circle at 88% 88%, var(--wcsh-orange-soft) 0%, transparent 42%),
    var(--wcsh-bg);
}

#slide-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(1.03) translateY(1vh);
  transition: opacity var(--transition-speed) var(--ease-modern),
              transform var(--transition-speed) var(--ease-modern);
  pointer-events: none;
  padding: 10vh 2vw 15vh 2vw;
}

.slide.active {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
  z-index: 2;
}

/* Modern floating "card" wrapper effect around media */
.slide-media {
  max-width: 85%;
  max-height: 60%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: var(--wcsh-white);
  box-shadow:
    0 1.5vh 5vh rgba(236, 90, 36, 0.20),
    0 0.3vh 1vh rgba(43, 35, 32, 0.08);
  transition: transform 400ms var(--ease-modern);
}

.video-embed {
  width: auto;
  height: 56vh;
  max-width: 85vw;
  aspect-ratio: 16 / 9;
}

.video-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sound-toggle {
  position: absolute;
  bottom: 1.5vh;
  right: 1.5vw;
  background: rgba(27, 20, 18, 0.65);
  color: var(--wcsh-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 2.4vh;
  padding: 0.8vh 1.6vw;
  font-size: 2.2vh;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(0.8vh);
  -webkit-backdrop-filter: blur(0.8vh);
  transition: background 250ms var(--ease-modern), transform 150ms var(--ease-modern);
  z-index: 5;
}

.sound-toggle:active {
  transform: scale(0.95);
}

.sound-toggle:hover {
  background: rgba(236, 90, 36, 0.85);
}

.slide-media iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-lg);
}

.slide-title {
  font-size: var(--font-title);
  font-weight: 800;
  color: var(--wcsh-orange-dark);
  text-align: center;
  margin-bottom: 2vh;
  letter-spacing: -0.03em;
}

.slide-caption {
  font-size: var(--font-caption);
  color: var(--wcsh-text-soft);
  text-align: center;
  margin-top: 1.8vh;
  max-width: 62%;
}

.slide-date {
  font-size: 3vh;
  color: var(--wcsh-white);
  background: linear-gradient(135deg, var(--wcsh-orange-light), var(--wcsh-orange));
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 1vh;
  padding: 0.5vh 1.8vw;
  border-radius: 3vh;
  display: inline-block;
  box-shadow: 0 0.6vh 1.6vh rgba(236, 90, 36, 0.3);
}

/* Section accent bar — softened into a rounded floating pill instead of a hard edge */
.slide::before {
  content: '';
  position: absolute;
  top: 2vh;
  left: 50%;
  transform: translateX(-50%);
  width: 14vw;
  height: 0.7vh;
  border-radius: 1vh;
  background: linear-gradient(90deg, var(--wcsh-orange-dark), var(--wcsh-orange-light));
}

/* ============================================
   Loading screen
   ============================================ */

#loading-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3vh;
  background: linear-gradient(160deg, var(--wcsh-orange-soft) 0%, var(--wcsh-bg) 60%);
  z-index: 100;
  transition: opacity 500ms var(--ease-modern);
}

#loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Logo gets a soft rounded-square card, not a hard circle */
.loading-logo {
  width: 16vw;
  height: 16vw;
  object-fit: contain;
  background: var(--wcsh-white);
  border-radius: 26%;
  padding: 1.4vh;
  box-shadow:
    0 1.5vh 4vh rgba(236, 90, 36, 0.22),
    0 0.2vh 0.8vh rgba(43, 35, 32, 0.06);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

.loading-bar {
  width: 30vw;
  height: 0.8vh;
  background: rgba(236, 90, 36, 0.12);
  border-radius: 1vh;
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--wcsh-orange-dark), var(--wcsh-orange-light));
  border-radius: 1vh;
  transition: width 300ms var(--ease-modern);
}

/* ============================================
   Dot navigation — glassmorphism
   ============================================ */

#dot-nav {
  position: absolute;
  bottom: calc(var(--footer-height) + 3vh);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1.6vw;
  z-index: 50;
  padding: 1.3vh 2.2vw;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 5vh;
  backdrop-filter: blur(1.4vh) saturate(160%);
  -webkit-backdrop-filter: blur(1.4vh) saturate(160%);
  box-shadow: 0 1vh 3vh rgba(184, 65, 15, 0.18);
  opacity: 1;
  transition: opacity 500ms var(--ease-modern);
}

#dot-nav.hidden {
  opacity: 0;
  pointer-events: none;
}

.dot {
  width: 1.8vh;
  height: 1.8vh;
  border-radius: 50%;
  background: rgba(184, 65, 15, 0.35);
  cursor: pointer;
  transition: background 250ms var(--ease-modern), transform 250ms var(--ease-modern);
}

.dot.active {
  background: var(--wcsh-orange);
  transform: scale(1.35);
  box-shadow: 0 0 0 0.4vh rgba(236, 90, 36, 0.25);
}

/* ============================================
   Touch tap zones
   ============================================ */

.tap-zone {
  position: absolute;
  top: 0;
  height: 100%;
  width: 15%;
  z-index: 40;
  cursor: pointer;
}

#tap-zone-prev { left: 0; }
#tap-zone-next { right: 0; }

/* ============================================
   Branding footer — glassmorphism over gradient
   ============================================ */

#brand-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--footer-height);
  background: linear-gradient(90deg, var(--wcsh-orange-dark) 0%, var(--wcsh-orange) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  padding: 0 2.5vw;
  gap: 1.5vw;
  z-index: 60;
  box-shadow: 0 -0.6vh 2vh rgba(184, 65, 15, 0.25);
}

/* Rounded-square logo badge, not a circle */
.footer-logo {
  height: 68%;
  width: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: var(--wcsh-white);
  border-radius: 28%;
  padding: 0.5vh;
  box-shadow: 0 0.4vh 1.2vh rgba(0, 0, 0, 0.15);
}

.footer-name {
  color: var(--wcsh-white);
  font-size: 3.4vh;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.footer-clock {
  margin-left: auto;
  color: var(--wcsh-white);
  font-size: 3.6vh;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.5vh 1.6vw;
  border-radius: 2.4vh;
  backdrop-filter: blur(0.8vh);
  -webkit-backdrop-filter: blur(0.8vh);
}

/* ============================================
   PDF page indicator — glass pill
   ============================================ */

.pdf-page-indicator {
  position: absolute;
  top: 2.5vh;
  right: 2.5vw;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--wcsh-white);
  font-size: 2.4vh;
  padding: 0.7vh 1.6vw;
  border-radius: 2.4vh;
  backdrop-filter: blur(1vh);
  -webkit-backdrop-filter: blur(1vh);
  z-index: 10;
  text-shadow: 0 0.1vh 0.3vh rgba(0,0,0,0.25);
}