/* ==========================================================================
   KRISTALL-TEMPEL 3D – MOAKTOR FARBLEHRE
   Schwan (weiß), Pfau (teal), Krähe (violett), Gold, Nachtblau
   ========================================================================== */

:root {
  --nacht: #0b1a2f;
  --panel-bg: rgba(11, 26, 47, 0.92);
  --gold: #d4af37;
  --schwan: #f5f0e8;
  --pfau: #1a8a8a;
  --kraehe: #1a1a2e;
  --white: #f0f0ff;
  --font: 'Segoe UI', 'Arial', 'Helvetica Neue', system-ui, sans-serif;
  --panel-radius: 22px;
  --transition-smooth: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
  --btn-size: 48px;
  --btn-gap: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--nacht);
  overflow: hidden;
  font-family: var(--font);
  color: var(--white);
  height: 100dvh;
  width: 100dvw;
  touch-action: pan-x pan-y pinch-zoom;
  user-select: none;
  -webkit-user-select: none;
}

canvas { display: block; }

/* ── Zurück-Button ── */
.back-home {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(11, 26, 47, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--pfau);
  border-radius: 24px;
  padding: 8px 16px;
  color: #ccc;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  pointer-events: auto;
}

.back-home:hover {
  color: var(--schwan);
  border-color: var(--gold);
  background: rgba(11, 26, 47, 0.95);
  box-shadow: 0 0 12px rgba(26, 138, 138, 0.3);
}

/* ── UI Panels ── */
.ui-panel {
  position: absolute;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--pfau);
  box-shadow: 0 0 36px rgba(26, 138, 138, 0.15), inset 0 0 50px rgba(212, 175, 55, 0.04);
  border-radius: var(--panel-radius);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth), max-height var(--transition-smooth);
  overflow: hidden;
  will-change: transform, opacity;
  pointer-events: auto;
  z-index: 10;
}

.ui-panel.collapsed { opacity: 0.85; }

#info-panel {
  bottom: clamp(16px, 2.5vh, 30px);
  left: clamp(10px, 2vw, 30px);
  padding: clamp(14px, 2.2vw, 22px) clamp(16px, 2.8vw, 28px);
  max-width: clamp(270px, 38vw, 420px);
}

#info-panel.collapsed {
  max-height: 48px;
  padding: 8px 16px;
}

#info-panel.collapsed .panel-content { display: none; }

.panel-content { margin-top: 8px; }

#chakra-name {
  font-size: clamp(1.4rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 0 22px currentColor;
  background: linear-gradient(90deg, var(--gold), var(--pfau));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#chakra-sanskrit {
  font-size: clamp(0.95rem, 1.8vw, 1.25rem);
  color: #b0a0d0;
  margin-bottom: 10px;
  font-style: italic;
}

#chakra-desc {
  font-size: clamp(0.78rem, 1.4vw, 0.92rem);
  line-height: 1.55;
  color: #d0d0e8;
}

.highlight {
  color: var(--gold);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
}

#balance-panel {
  top: clamp(12px, 2vh, 30px);
  right: clamp(8px, 1.5vw, 30px);
  padding: clamp(12px, 1.8vw, 18px) clamp(14px, 2.2vw, 22px);
  min-width: clamp(190px, 24vw, 250px);
  text-align: center;
}

#balance-panel.collapsed {
  max-height: 48px;
  padding: 8px 14px;
}

#balance-panel.collapsed .panel-content { display: none; }

.bar-container {
  width: 100%;
  height: 14px;
  background: var(--kraehe);
  border-radius: 7px;
  margin: 12px 0;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #00e5ff, var(--pfau), var(--gold));
  border-radius: 7px;
  transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

button {
  background: rgba(26, 138, 138, 0.7);
  border: 1px solid var(--pfau);
  color: var(--schwan);
  padding: 8px 18px;
  border-radius: 22px;
  cursor: pointer;
  margin: 5px;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  touch-action: manipulation;
  min-height: 40px;
  min-width: 44px;
}

button:hover {
  background: rgba(212, 175, 55, 0.85);
  box-shadow: 0 0 20px rgba(26, 138, 138, 0.6);
  transform: translateY(-1px);
  color: var(--nacht);
}

button:active { transform: scale(0.96); }

.toggle-btn {
  position: absolute;
  top: 8px;
  right: 12px;
  background: transparent;
  border: none;
  color: #ccc;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 50%;
  z-index: 2;
  transition: transform 0.28s;
  min-width: 30px;
  min-height: 30px;
  line-height: 1;
}

.collapsed .toggle-btn { transform: rotate(180deg); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  pointer-events: none;
}

#action-buttons {
  position: absolute;
  bottom: clamp(16px, 2.5vh, 30px);
  right: clamp(10px, 2vw, 30px);
  display: flex;
  flex-direction: column;
  gap: var(--btn-gap);
  z-index: 12;
  pointer-events: auto;
}

.action-btn {
  width: var(--btn-size);
  height: var(--btn-size);
  border-radius: 50%;
  background: rgba(11, 26, 47, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--pfau);
  color: var(--schwan);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 0 16px rgba(26, 138, 138, 0.3);
  position: relative;
}

.action-btn:hover {
  background: rgba(26, 138, 138, 0.85);
  box-shadow: 0 0 28px rgba(212, 175, 55, 0.5);
  transform: scale(1.08);
  color: var(--nacht);
}

.action-btn .tooltip {
  position: absolute;
  right: calc(var(--btn-size) + 14px);
  background: rgba(0, 0, 0, 0.9);
  color: var(--schwan);
  padding: 6px 14px;
  border-radius: 14px;
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: all 0.2s ease;
}

.action-btn:hover .tooltip {
  opacity: 1;
  transform: translateX(0);
}

#settings-panel {
  position: absolute;
  bottom: 50%;
  right: calc(var(--btn-size) + var(--btn-gap) + 24px);
  transform: translateY(50%);
  width: 260px;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--pfau);
  border-radius: var(--panel-radius);
  padding: 18px;
  color: var(--schwan);
  z-index: 11;
  transition: all var(--transition-smooth);
  box-shadow: 0 0 36px rgba(26, 138, 138, 0.25);
}

#settings-panel.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(50%) scale(0.95);
}

#settings-panel label {
  display: block;
  font-size: 0.78rem;
  margin: 8px 0 3px;
  color: #ccc;
}

#settings-panel input[type=range] {
  width: 100%;
  accent-color: var(--pfau);
}

#settings-panel select {
  width: 100%;
  background: var(--kraehe);
  color: var(--schwan);
  border: 1px solid var(--pfau);
  border-radius: 8px;
  padding: 6px;
  margin-bottom: 8px;
}

.preset-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 8px 0;
}

.preset-btn {
  flex: 1;
  font-size: 0.7rem;
  padding: 6px 8px;
  border-radius: 12px;
  background: rgba(26, 138, 138, 0.5);
  border: 1px solid var(--pfau);
  color: var(--schwan);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}

.preset-btn:hover { background: rgba(212, 175, 55, 0.8); }

#instruction {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(245, 240, 232, 0.4);
  font-size: 0.7rem;
  pointer-events: none;
  text-align: center;
  z-index: 5;
}

@media (max-width: 768px) {
  :root {
    --btn-size: 42px;
    --btn-gap: 8px;
  }
  #info-panel {
    bottom: 10px;
    left: 6px;
    max-width: 240px;
    padding: 12px 16px;
    border-radius: 18px;
  }
  #balance-panel {
    top: 8px;
    right: 4px;
    min-width: 150px;
    padding: 10px 12px;
    border-radius: 18px;
  }
  #chakra-name { font-size: 1.1rem; }
  #settings-panel {
    width: 220px;
    right: calc(var(--btn-size) + 8px + 10px);
  }
}