/* Sonnen-Modul: Bühne mit 3D-Sonne (Außen) bzw. Querschnitt-SVG (Innen),
   Hotspot-Buttons fest am Rand mit Pointer-Linien. Warmer Akzent. */

:root {
  --warm: #ffcc5c;
  --warm-glow: rgba(255, 204, 92, 0.55);
  --panel-bg: rgba(8, 12, 24, 0.85);
  --panel-border: rgba(255, 204, 92, 0.25);
}

html, body { height: 100%; margin: 0; overflow: hidden; background: #000; }

#stage {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
}

/* ── Sonnen-Bühne: kreisförmiges Wrap, beide Modi gerendert drin ── */
#sunWrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(58vmin, 720px);
  height: min(58vmin, 720px);
  margin: 0;
  border-radius: 50%;
  overflow: hidden;
  z-index: 2;
  --tx: -50%;
  --scale: 1;
  transform: translate3d(var(--tx), -50%, 0) scale(var(--scale));
  transform-origin: 50% 50%;
  transition: transform 0.7s cubic-bezier(0.32, 0.72, 0.18, 1.0);
  will-change: transform;
  background: #000;
}

#sceneSonne, #innenCanvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  transition: opacity 0.55s ease;
}
#innenCanvas { opacity: 0; pointer-events: none; }

body.mode-innen #sceneSonne { opacity: 0; }
body.mode-innen #innenCanvas { opacity: 1; }

body.panel-open #sunWrap {
  --tx: calc(-50% - 25vw);
  --scale: 0.72;
}

/* ── Pointer-Linien ── */
#pointerLayer {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 4;
  pointer-events: none;
}
#pointerLayer line {
  stroke: var(--warm);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
  opacity: 0.55;
  transition: opacity 0.2s, stroke-width 0.2s;
}
#pointerLayer line.active {
  opacity: 1;
  stroke-width: 2.2;
  stroke-dasharray: none;
}
#pointerLayer .pointer-dot {
  fill: var(--warm);
  opacity: 0.7;
  transition: opacity 0.2s, r 0.2s;
}
#pointerLayer .pointer-dot.active {
  opacity: 1;
  filter: drop-shadow(0 0 6px var(--warm-glow));
}

/* ── Hotspot-Buttons ── */
#hotspotLayer {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}
.hotspot {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  background: rgba(8, 12, 24, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 204, 92, 0.35);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  color: #f2ece0;
  text-decoration: none;
  transition: all 0.2s;
  min-width: 180px;
  transform: translate(-50%, -50%);
}
.hotspot:hover {
  border-color: var(--warm);
  background: rgba(20, 16, 8, 0.95);
  transform: translate(-50%, -50%) scale(1.03);
  box-shadow: 0 0 24px var(--warm-glow);
}
.hotspot.active {
  border-color: var(--warm);
  background: rgba(40, 28, 8, 0.95);
  box-shadow: 0 0 24px var(--warm-glow);
}
.hotspot .num {
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--warm);
  flex-shrink: 0;
}
.hotspot .label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  color: #fff;
  flex: 1;
  white-space: nowrap;
  text-transform: none;
}

/* Body-Klassen steuern die Sichtbarkeit pro Modus */
.hotspot[data-modus="aussen"] { display: flex; }
.hotspot[data-modus="innen"] { display: none; }
body.mode-innen .hotspot[data-modus="aussen"] { display: none; }
body.mode-innen .hotspot[data-modus="innen"] { display: flex; }

/* ── Top-Bar ── */
.topbar.topbar-sonne {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  gap: 14px;
  align-items: center;
  background: rgba(8, 12, 24, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 204, 92, 0.3);
  border-radius: 999px;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--warm);
  text-transform: uppercase;
}
.topbar.topbar-sonne .dot {
  width: 6px;
  height: 6px;
  background: var(--warm);
  border-radius: 50%;
  animation: pulse-warm 2s ease-in-out infinite;
}
@keyframes pulse-warm {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.topbar.topbar-sonne .sep {
  width: 1px;
  height: 14px;
  background: rgba(255, 204, 92, 0.3);
}
.topbar.topbar-sonne .mode-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 204, 92, 0.6);
  cursor: pointer;
  transition: all 0.2s;
}
.topbar.topbar-sonne .mode-btn:hover { color: var(--warm); }
.topbar.topbar-sonne .mode-btn.active {
  background: rgba(255, 204, 92, 0.15);
  border-color: var(--warm);
  color: #fff;
}

.exit-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #c9d0ec;
  text-decoration: none;
  padding: 8px 14px;
  background: rgba(8, 12, 24, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 204, 92, 0.2);
  border-radius: 999px;
  text-transform: uppercase;
}
.exit-btn:hover {
  color: #fff;
  border-color: var(--warm);
  text-decoration: none;
}

/* ── Detail-Panel rechts (groß, ~50% Bildschirm) ── */
#detailPanel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: clamp(520px, 50vw, 820px);
  max-width: 100vw;
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  border-left: 1px solid var(--panel-border);
  padding: 36px 40px 32px;
  z-index: 80;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0.1, 0.2, 1);
  color: #f2ece0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
#detailPanel:not(.closed) { transform: translateX(0); }
.dp-close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(255, 204, 92, 0.25);
  background: transparent;
  color: var(--warm);
  cursor: pointer;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: border-color 0.15s, color 0.15s;
}
.dp-close svg { display: block; }
.dp-close:hover { border-color: var(--warm); color: #fff; }

.dp-video-wrap {
  position: relative;
}
.dp-fullscreen {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(255, 204, 92, 0.4);
  background: rgba(8, 12, 24, 0.7);
  color: var(--warm);
  cursor: pointer;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.2s, border-color 0.15s, background 0.15s;
}
.dp-video-wrap:hover .dp-fullscreen,
.dp-fullscreen:focus-visible { opacity: 1; }
.dp-fullscreen:hover {
  border-color: var(--warm);
  color: #fff;
  background: rgba(40, 28, 8, 0.9);
}
.dp-fullscreen svg { display: block; }
.dp-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #7fb8ff;
  margin: 0;
}
.dp-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
  color: #fff;
  line-height: 1.05;
}
.dp-text {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.5;
  color: #c9d0ec;
  margin: 0;
}
.dp-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  max-height: 60vh;
  border-radius: 8px;
  background: #000;
  display: block;
  object-fit: cover;
  border: 1px solid rgba(255, 204, 92, 0.18);
}
.dp-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px 22px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 204, 92, 0.15);
  border-bottom: 1px solid rgba(255, 204, 92, 0.15);
  margin: 0;
}
.dp-facts:empty { display: none; }
.dp-facts .fact { display: flex; flex-direction: column; }
.dp-facts .fact .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: #6b728a;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.dp-facts .fact .v {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--warm);
}
.dp-credit {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: #6b728a;
  text-transform: uppercase;
  margin: 0;
}

/* ── Mobile / Tablet hochkant ── */
@media (max-width: 900px) {
  #sunWrap {
    width: min(60vmin, 420px);
    height: min(60vmin, 420px);
    top: 35%;
  }
  body.panel-open #sunWrap {
    --tx: -50%;
    --scale: 0.6;
  }
  .hotspot {
    min-width: 140px;
    padding: 8px 10px;
  }
  .hotspot .label { font-size: 12px; }
  #detailPanel {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 78vh;
    max-height: 78vh;
    border-left: none;
    border-top: 1px solid var(--panel-border);
    transform: translateY(100%);
    border-radius: 14px 14px 0 0;
    padding: 24px 22px;
  }
  #detailPanel:not(.closed) { transform: translateY(0); }
  body.panel-open #pointerLayer { display: none; }
  body.panel-open .hotspot { opacity: 0.3; pointer-events: none; }
}