/* --- Zone A panels --- */
.zone-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.zone-panel.panel-active {
  opacity: 1;
  pointer-events: all;
}

/* --- Welcome Panel — brutalist hero --- */
#panel-welcome {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: absolute;
  overflow: hidden;
}

#panel-welcome .welcome-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 70%, rgba(90,74,138,0.15) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 50% 65%, rgba(26,26,29,0.5) 0%, transparent 55%),
    linear-gradient(180deg,
      var(--bg) 0%,
      var(--surface-deep) 25%,
      var(--surface) 60%,
      var(--charcoal) 100%);
}

#panel-welcome .welcome-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 45% at 50% 0%, rgba(0,0,0,0.55) 0%, transparent 60%),
    radial-gradient(ellipse 100% 35% at 50% 100%, rgba(0,0,0,0.25) 0%, transparent 60%);
}

#panel-welcome .welcome-content {
  position: relative;
  z-index: 2;
  padding: 24px 32px;
}

#panel-welcome .org-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

#panel-welcome h1 {
  font-size: clamp(34px, 4.5vw, 66px);
  color: var(--text);
  text-shadow: 0 4px 32px rgba(0,0,0,0.75);
  margin-bottom: 6px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

#panel-welcome .subtitle {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
  font-weight: 300;
}

/* Large numeral — brutalist impact */
#panel-welcome .bear-count {
  font-family: var(--font-display);
  font-size: clamp(88px, 16vw, 172px);
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  text-shadow:
    0 0 80px rgba(177,151,252,0.3),
    0 4px 20px rgba(0,0,0,0.6);
  margin: 14px 0 6px;
  letter-spacing: 0.02em;
}

#panel-welcome .bear-count-label {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}

#panel-welcome .bear-count-label::after {
  content: '';
  display: block;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  margin: 16px auto 0;
  opacity: 0.6;
}

/* Logo on welcome screen */
.welcome-logo {
  height: 70px;
  width: auto;
  margin-top: 32px;
  opacity: 0.88;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.55));
}

/* --- Slideshow Panel --- */
#panel-slideshow {
  flex-direction: column;
  overflow: hidden;
}

#slideshow-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.slide.slide-active {
  opacity: 1;
  z-index: 2;
}

.slide .slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.78) saturate(0.8);
}

.slide .slide-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg,
    var(--surface) 0%,
    var(--charcoal) 40%,
    var(--elevated) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-ghost);
  font-size: 48px;
}

.slide .slide-placeholder span {
  font-size: 15px;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.slide .slide-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 36px 40px 28px;
  background: linear-gradient(transparent, rgba(8,8,8,0.92));
  font-family: var(--font-body);
  font-size: 21px;
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

.slide .slide-caption::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 10px;
  opacity: 0.7;
}

.slideshow-controls {
  position: absolute;
  bottom: 68px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.slideshow-controls button {
  width: 36px; height: 36px;
  border-radius: 0;
  border: 1px solid var(--accent-rule);
  background: rgba(8,8,8,0.75);
  color: var(--accent);
  font-size: 15px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  backdrop-filter: blur(6px);
}
.slideshow-controls button svg { width: 18px; height: 18px; }

.slideshow-controls button:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}