html {
  min-height: 100%;
  background-color: #1a1a1a;
  color-scheme: dark;
  overscroll-behavior: none;
}

/* Hintergrundbild: position:fixed, Höhe per JS auf window.screen.height fixiert.
   Dadurch bleibt der Hintergrund stabil wenn Android-Statusbar kurz erscheint. */
#app-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 0;
  background: url('background.jpg') center center / cover no-repeat #1a1a1a;
}

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

body {
  font-family: 'Georgia', serif;
  background-color: #1a1a1a;
  color: #fff;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  user-select: none;
}

/* Buddha-Lächeln: liegt knapp über app-bg, unter dem Overlay */
#bg-smile {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 0;
  background: url('background_laecheln_v0.4.jpg') center center / cover no-repeat;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  pointer-events: none;
}

/* Buddha-Aura: goldener Heiligenschein, liegt unter dem Overlay (wird mitgedimmt) */
#buddha-aura {
  position: fixed;
  left: var(--aura-x, 28%);
  top: var(--aura-y, 59%);
  width: var(--aura-size, 180px);
  height: var(--aura-size, 180px);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle,
    transparent               0%,
    transparent              40%,
    rgba(255, 230, 80, 0.09) 45%,
    rgba(255, 220, 70, 0.40) 50%,
    rgba(255, 210, 60, 0.69) 55%,
    rgba(255, 200, 50, 0.63) 60%,
    rgba(255, 185, 35, 0.29) 68%,
    rgba(255, 170, 25, 0.09) 77%,
    transparent              88%);
  -webkit-mask-image: linear-gradient(to bottom,
    black             0%,
    black            58%,
    rgba(0,0,0,0.20) 78%,
    transparent      92%);
  mask-image: linear-gradient(to bottom,
    black             0%,
    black            58%,
    rgba(0,0,0,0.20) 78%,
    transparent      92%);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 49;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

/* Flammen-Schein: liegt zwischen Hintergrund und Inhalt, pulsiert sanft */
#flame-glow {
  position: fixed;
  left: var(--flame-x, 50%);
  top: var(--flame-y, 50%);
  width: var(--flame-size, 240px);
  height: var(--flame-size, 240px);
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(255, 190, 100, var(--flame-a1, 0.48)) 0%,
    rgba(255, 160, 70, var(--flame-a2, 0.26)) 35%,
    rgba(255, 130, 50, 0.0) 70%);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  animation: flame-pulse 6.5s ease-in-out infinite;
  will-change: opacity, transform;
}

@keyframes flame-pulse {
  0%   { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
  18%  { opacity: 0.72; transform: translate(-50%, -50%) scale(1.05); }
  37%  { opacity: 0.50; transform: translate(-50%, -50%) scale(0.98); }
  56%  { opacity: 0.68; transform: translate(-50%, -50%) scale(1.03); }
  74%  { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
  88%  { opacity: 0.65; transform: translate(-50%, -50%) scale(1.02); }
  100% { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
}

/* Flackernde Kerzenflamme – kleines Element direkt über der Flamme im Bild */
.flicker-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(212,168,83,0.75);
  font-size: 0.85rem;
  font-style: italic;
  cursor: pointer;
  letter-spacing: 0.05em;
}
.flicker-toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #d4a853;
  cursor: pointer;
  flex-shrink: 0;
}

#flame-flicker.hidden { display: none; }

/* Ankerpunkt = Fuß der Flamme, Größe 0 */
#flame-flicker {
  position: fixed;
  left: var(--flame-x, 50%);
  top: var(--flame-y, 50%);
  width: 0;
  height: 0;
  pointer-events: none;
  z-index: 1;
}

/* Flamme wächst von unten nach oben – Fuß bleibt fix */
#flame-flicker::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 14px;
  height: 30px;
  transform-origin: bottom center;
  background: radial-gradient(ellipse at 50% 85%,
    rgba(255,245,180,1.00)  0%,
    rgba(255,190, 60, 0.95) 30%,
    rgba(255,110, 10, 0.60) 62%,
    transparent            100%);
  border-radius: 50% 50% 30% 30%;
  filter: blur(1px);
  animation:
    flicker-move 1.8s ease-in-out infinite alternate,
    flicker-fade 2.3s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

@keyframes flicker-move {
  0%   { transform: translateX(-50%) rotate(-1.5deg) scaleY(0.95); }
  18%  { transform: translateX(-50%) rotate( 1.0deg) scaleY(1.04); }
  36%  { transform: translateX(-50%) rotate(-1.0deg) scaleY(0.97); }
  54%  { transform: translateX(-50%) rotate( 1.5deg) scaleY(1.05); }
  72%  { transform: translateX(-50%) rotate(-0.5deg) scaleY(0.94); }
  100% { transform: translateX(-50%) rotate( 1.0deg) scaleY(1.02); }
}

@keyframes flicker-fade {
  0%   { opacity: 0.60; }
  25%  { opacity: 1.00; }
  55%  { opacity: 0.65; }
  80%  { opacity: 0.95; }
  100% { opacity: 0.70; }
}

/* Dimm-Overlay */
#overlay {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 50;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition-property: opacity;
  transition-timing-function: ease;
  transition-duration: 3s;
}

/* Audio-Menü */
#audio-menu {
  position: fixed;
  top: -15px;
  left: 0;
  right: 0;
  bottom: 0;
  padding-top: 15px;
  background: rgba(0,0,0,0.85);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
#audio-menu.hidden { display: none; }

.menu-content,
.menu-content button,
.menu-content input,
.menu-content label {
  font-family: 'Georgia', serif;
}

.menu-close-x {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}
.menu-close-x:hover { color: rgba(255,255,255,0.85); }

.menu-content {
  position: relative;
  background: linear-gradient(180deg, #2a3a2a, #1a2a1a);
  border: 1px solid rgba(180,120,50,0.35);
  border-radius: 16px;
  padding: 32px 28px;
  width: 85%;
  max-width: 360px;
  max-height: 88vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.menu-content h2 {
  color: #d4a853;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.menu-hint {
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  font-style: italic;
  margin-top: -6px;
}

/* Einheitlicher Button-Stil */
.menu-btn,
.upload-btn,
.demo-btn {
  display: block;
  background: rgba(180,120,50,0.18);
  border: 1px solid rgba(180,120,50,0.45);
  color: #d4a853;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  transition: background 0.2s, border-color 0.2s;
}
.menu-btn:active,
.upload-btn:active,
.demo-btn:active {
  background: rgba(180,120,50,0.32);
  border-color: rgba(180,120,50,0.7);
}
.demo-btn.selected {
  background: rgba(180,120,50,0.45);
  border-color: rgba(212,168,83,0.9);
  color: #f4d488;
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.4);
}
.update-btn {
  display: block;
  width: 100%;
  background: rgba(180,120,50,0.12);
  border: 1px solid rgba(180,120,50,0.35);
  color: #c49a45;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.88rem;
  font-family: 'Georgia', serif;
  margin-top: 4px;
}
.update-btn:disabled { opacity: 0.5; }
#update-status {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  min-height: 18px;
  margin: 6px 0 4px;
}
#app-version {
  text-align: center;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.28);
  margin-top: 14px;
  letter-spacing: 0.5px;
}
#app-imprint {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.28);
  margin-top: 4px;
  letter-spacing: 0.3px;
}
.upload-btn input { display: none; }

#current-audio-name {
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  font-style: italic;
  margin-top: -4px;
}

.close-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.45);
  padding: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 4px;
}

.menu-divider {
  border: none;
  border-top: 1px solid rgba(180,120,50,0.15);
  margin: 8px 0 4px;
}

.dim-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dim-end-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.dim-slider-row input[type="range"] {
  flex: 1;
}

#dim-level-label {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(212,168,83,0.75);
  font-style: italic;
  margin-top: -4px;
  letter-spacing: 0.05em;
}

/* Hauptbereich */
main {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Gong – eigenes fixed-Element, z-index steuerbar für Zwischen-Gong-Swing */
#gong-container {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  perspective: 800px;
  pointer-events: none;
  z-index: 1;
}

.cord { display: none; }

#gong {
  position: relative;
  height: var(--gong-height, min(360px, 40dvh));
  width: var(--gong-width, min(312px, 34.7dvh));
  background: url('gong.png') center center / contain no-repeat;
  cursor: pointer;
  pointer-events: auto;
  transform-origin: top center;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.4));
  perspective: 600px;
}

/* Label sitzt mittig auf der Scheibe (54% = visuelle Scheibenmitte, skaliert mit Gonghöhe) */
#gong-label {
  position: absolute;
  top: 54%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(255,255,255,0.95);
  font-size: 1rem;
  letter-spacing: 0.15em;
  font-weight: 300;
  text-shadow: 0 1px 6px rgba(0,0,0,0.9);
}

@keyframes gong-swing {
  0%   { transform: rotateX(0deg);     animation-timing-function: ease-in; }
  13%  { transform: rotateX(-18deg);   animation-timing-function: ease-in-out; }
  28%  { transform: rotateX(13deg);    animation-timing-function: ease-in-out; }
  43%  { transform: rotateX(-9deg);    animation-timing-function: ease-in-out; }
  56%  { transform: rotateX(6deg);     animation-timing-function: ease-in-out; }
  67%  { transform: rotateX(-4deg);    animation-timing-function: ease-in-out; }
  76%  { transform: rotateX(2.5deg);   animation-timing-function: ease-in-out; }
  84%  { transform: rotateX(-1.5deg);  animation-timing-function: ease-in-out; }
  90%  { transform: rotateX(0.8deg);   animation-timing-function: ease-in-out; }
  95%  { transform: rotateX(-0.4deg);  animation-timing-function: ease-out; }
  98%  { transform: rotateX(0.1deg);   animation-timing-function: ease-out; }
  100% { transform: rotateX(0deg); }
}
#gong.swinging {
  animation: gong-swing 4.5s linear forwards;
}

/* Timer-Area: wird per JS zwischen Gong-Unterkante und Buddha-Kopf positioniert */
#timer-area {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 4px;
  pointer-events: none;
  z-index: 2;
}

#timer-display {
  text-align: center;
  pointer-events: none;
}
#timer-text {
  font-size: 4.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.7);
}

body.ios #timer-text .digit {
  display: inline-block;
  width: 0.62em;
  text-align: center;
  font-variant-numeric: lining-nums tabular-nums;
  vertical-align: top;
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
}

body.ios #timer-text .colon {
  display: inline-block;
  width: 0.40em;
  text-align: center;
}

/* Controls – direkt unter dem Timer, fadet bei Meditation aus */
#controls {
  width: 85%;
  max-width: 380px;
  padding: 0 8px;
  pointer-events: auto;
  margin-top: 4px;
  transition: opacity 0.6s ease;
}

.control-row {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.control-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.85);
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.adj-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}
.adj-btn:active { background: rgba(255,255,255,0.3); }

input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: linear-gradient(90deg, #e8a020 var(--progress, 43%), rgba(255,255,255,0.4) var(--progress, 43%));
  border-radius: 3px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #f8d070, #e8a020);
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  cursor: pointer;
}


/* Navigation */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(64px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 10;
  transition: opacity 1.2s ease;
}

/* Während Meditation: Nav-Streifen sanft ausblenden */
body.running #bottom-nav {
  opacity: 0;
  pointer-events: none;
}

.nav-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}
.nav-btn svg {
  width: 28px;
  height: 28px;
}
.nav-btn.active { color: rgba(255,255,255,0.9); }
.nav-btn:active { color: #d4a853; }

/* Läuft: Slider fadet aus, Timer-Position bleibt unverändert */
body.running #controls {
  opacity: 0;
  pointer-events: none;
}

/* Zwischen-Gong: 3-Spalten-Grid damit Haupttimer immer mittig bleibt */
#timer-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  width: 100%;
}

/* Zwischen-Gong Anzeige rechts neben dem Haupttimer */
#zgong-display {
  display: inline-block;
  position: relative;
  margin-left: 16px;
}
#zgong-display.hidden { display: none; }

#zgong-time {
  display: block;
  font-family: 'Georgia', serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: rgba(255,220,140,0.85);
  letter-spacing: 0.04em;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
  white-space: nowrap;
}

/* Zwischen-Gong Menü: Slider-Sektion */
#zgong-slider-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#zgong-slider-section.hidden { display: none; }

#zgong-value-label {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(212,168,83,0.75);
  font-style: italic;
  margin-top: -4px;
  letter-spacing: 0.05em;
}

/* Schallwelle beim Gong-Antippen (Farbmodus) */
.welle {
  position: fixed;
  border-radius: 50%;
  border: none;
  background: transparent;
  box-shadow: 0 0 10px 4px rgba(255, 220, 130, 0.32);
  filter: blur(3px);
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  pointer-events: none;
  z-index: 10;
}

@keyframes welle-aus {
  0%   { transform: translate(-50%, -50%) scale(1);    opacity: 0.45; }
  50%  { opacity: 0.22; }
  100% { transform: translate(-50%, -50%) scale(1.55); opacity: 0; }
}

.welle.aktiv { animation: welle-aus 3.5s ease-out forwards; }

/* Gong ohne Halterung – bei einfarbigem Hintergrund */
#gong.farbmodus {
  background-image: url('gong_ohne_halter.png');
}

/* Hintergrundfarbe-Picker */
#bg-color-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.bg-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  background: none;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 6px 4px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.bg-swatch-color {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  display: block;
  flex-shrink: 0;
}

.bg-swatch-label {
  font-size: 0.62rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.03em;
  text-align: center;
  line-height: 1.2;
  font-family: 'Georgia', serif;
}

.bg-swatch.selected {
  border-color: rgba(212,168,83,0.85);
}

.bg-swatch.selected .bg-swatch-label {
  color: #d4a853;
}