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

body {
    font-family: 'Arial', sans-serif;
    background: #000;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* Fixed width container - with game background */
#gameBackground {
    position: relative;
    width: 1000px;
    height: 462px;
    background-color: #1a1a2e;
    background-image: url('game-background.jpg');
    background-size: cover;
    background-position: center;
}

#gameContainer {
    position: absolute;
    top: 0;
    left: 0;
    width: 1000px;
    height: 462px;
    z-index: 2;
}

/* ===== TOP UI BAR ===== */
#topBar {
    position: absolute;
    top: 54px;
    left: 50%;
    transform: translateX(-50%);
    width: 360px;
    z-index: 10;
}

#progressContainer {
    width: 100%;
    background: linear-gradient(135deg, #B8860B, #FFD700, #B8860B);
    padding: 4px;
    border-radius: 16px;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.4),
        inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

#progressBar {
    position: relative;
    width: 100%;
    height: 20px;
    background: rgba(45, 49, 66, 0.9);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

#progressFill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #FFA500, #FFD700);
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.6);
}

/* Add glow effect when progress locks in */
#progressFill.locked {
    animation: progressLock 0.5s ease-out;
}

@keyframes progressLock {
    0% { 
        box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    }
    50% { 
        box-shadow: 0 0 30px rgba(255, 215, 0, 1), 0 0 50px rgba(255, 215, 0, 0.5);
        transform: scaleY(1.1);
    }
    100% { 
        box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
        transform: scaleY(1);
    }
}

.progressMarker {
    position: absolute;
    top: 0;
    height: 100%;
    width: 3px;
    background: #FFD700;
    box-shadow: 0 0 8px #FFD700;
}

/* ===== DIFFICULTY SLIDER ===== */
#difficultyContainer {
    position: absolute;
    top: 10px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(45, 49, 66, 0.85);
    padding: 6px 12px;
    border-radius: 16px;
    z-index: 10;
}

.difficultyLabel {
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.difficultyLabel.expert {
    color: #FFD700;
}

.difficultyLabel.novice {
    color: #FFFFFF;
}

#difficultySlider {
    width: 100px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    outline: none;
    border-radius: 3px;
    appearance: none;
    -webkit-appearance: none;
}

#difficultySlider::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #FFD700;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(255, 215, 0, 0.5);
}

#difficultySlider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #FFD700;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(255, 215, 0, 0.5);
}

/* ===== BUTTONS ===== */
#quitButton {
    display: none; /* Hidden - not needed for web version */
}

.quitIcon {
    font-size: 28px;
    line-height: 1;
}

.quitText {
    line-height: 1.2;
}

#menuButton {
    position: absolute;
    top: 10px;
    right: 250px;
    width: 42px;
    height: 42px;
    background: rgba(139, 115, 85, 0.8);
    border: 3px solid rgba(101, 84, 66, 1);
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    transition: transform 0.2s;
    z-index: 10;
}

#menuButton:hover {
    transform: scale(1.1);
}

#menuButton:active {
    transform: scale(0.9);
}

/* ===== RHYTHM CIRCLE (Positioned to match Unity - RIGHT SIDE) ===== */
#circleContainer {
    position: absolute;
    right: 120px;
    top: 50%;
    transform: translateY(-50%);
    width: 260px;
    height: 260px;
    z-index: 5;
    overflow: visible;
}

#rhythmCircle {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.4));
    overflow: visible;
}

/* ===== SLICES - COLOR SCHEME: silver → white → blue → gold → gone ===== */

/* Base slice transition */
.slice {
    transition: opacity 0.3s ease, filter 0.3s ease;
}

/* Baboon off-beat slice (RED) - uses red-slice.png image */
.slice-baboon {
    filter: drop-shadow(0 0 8px rgba(255, 0, 0, 0.8));
    transition: opacity 0.3s ease;
}

/* Stage 0: Hidden slice (invisible until scanner passes) */
.slice-hidden {
    opacity: 0;
}

/* Stage 1: Silver slice (uses silver_slice.png) */
.slice-silver {
    opacity: 1;
    filter: drop-shadow(0 0 5px rgba(200, 200, 200, 0.5));
}

/* Stage 2: White slice */
.slice-white {
    filter: brightness(1.2) saturate(0) drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
    opacity: 0.85;
}

/* Stage 3: Blue slice (uses blue_slice.png) */
.slice-blue {
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(100, 180, 255, 0.8)) drop-shadow(0 0 15px rgba(80, 150, 255, 0.5));
}

/* Stage 4: Gold glow slice */
.slice-gold {
    opacity: 1;
    filter: brightness(1.4) sepia(0.9) saturate(3) hue-rotate(15deg) drop-shadow(0 0 10px rgba(255, 215, 0, 0.9)) drop-shadow(0 0 20px rgba(255, 215, 0, 0.6));
}

/* Stage 5: Gone (slice disappears) */
.slice-gone {
    opacity: 0 !important;
    pointer-events: none;
}

/* ===== SCALING GLOW (behind medallion) ===== */
#scalingGlow {
    transition: transform 1s ease-out, opacity 1s ease, filter 0.5s ease;
}

#scalingGlow.glow-white {
    filter: brightness(1.2) saturate(0) drop-shadow(0 0 10px rgba(255, 255, 255, 0.6));
}

#scalingGlow.glow-blue {
    filter: brightness(0.9) saturate(1.5) hue-rotate(200deg) drop-shadow(0 0 15px rgba(50, 100, 255, 0.8));
}

#scalingGlow.glow-whiteglow {
    filter: brightness(1.5) saturate(0) drop-shadow(0 0 20px rgba(255, 255, 255, 0.9));
}

#scalingGlow.glow-gold {
    filter: brightness(1.5) sepia(0.9) saturate(3) hue-rotate(15deg) drop-shadow(0 0 20px rgba(255, 215, 0, 0.9)) drop-shadow(0 0 40px rgba(255, 215, 0, 0.6));
}

/* ===== CENTER FOG ===== */
#fogCircleImage {
    transition: filter 0.55s ease;
}

#fogCircleImage.center-white {
    filter: brightness(1.2) saturate(0) drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

#fogCircleImage.center-blue {
    filter: brightness(0.9) saturate(1.5) hue-rotate(200deg) drop-shadow(0 0 10px rgba(50, 100, 255, 0.8));
}

#fogCircleImage.center-whiteglow {
    filter: brightness(1.5) saturate(0) drop-shadow(0 0 15px rgba(255, 255, 255, 0.9));
}

#fogCircleImage.center-gold {
    filter: brightness(1.4) sepia(0.9) saturate(3) hue-rotate(15deg) drop-shadow(0 0 20px rgba(255, 215, 0, 0.9)) drop-shadow(0 0 40px rgba(255, 215, 0, 0.6));
}

/* Cracked/broken state for miss feedback */
.slice.cracked {
    filter: brightness(0.3) saturate(0);
    opacity: 0.5;
    animation: crackFade 0.5s ease-out forwards;
}

@keyframes crackFade {
    0% { 
        opacity: 0.5;
        transform: scale(1);
    }
    100% { 
        opacity: 0;
        transform: scale(0.9);
    }
}

.slice.missed {
    filter: brightness(0.4) sepia(1) saturate(3) hue-rotate(-30deg);
    opacity: 0.6;
}

/* ===== DRUM PAD (Entire bottom-right quadrant is tappable) ===== */
#drumPadOverlay {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 500px;
    height: 250px;
    cursor: pointer;
    z-index: 3;
    transition: none;
    /* Optional: visualize tap area during development */
    /* background: rgba(255, 0, 0, 0.1); */
}

#drumPadHitArea {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
}

/* Drum hit animation */
#drumPadOverlay.drumHit {
    animation: drumHit 0.2s ease;
}

@keyframes drumHit {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.98; }
}

/* ===== FEEDBACK TEXT ===== */
#feedbackText {
    position: absolute;
    top: 180px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 40px;
    font-weight: bold;
    text-shadow: 
        0 0 20px currentColor,
        0 4px 10px rgba(0, 0, 0, 0.8),
        2px 2px 0 rgba(0, 0, 0, 0.5);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 15;
    white-space: nowrap;
}

#feedbackText.show {
    opacity: 1;
    animation: feedbackPulse 0.5s ease;
}

@keyframes feedbackPulse {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.2); }
}

#feedbackText.hit { color: #00FF00; }
#feedbackText.miss { color: #FF0000; }
#feedbackText.perfect { color: #FFD700; }

/* ===== STREAK COUNTER ===== */
#streakCounter {
    display: none; /* Hidden - using progress bar instead */
}

/* ===== LOADING STATE ===== */
.loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    z-index: 100;
}


/* ===== SHAKE ANIMATION FOR MISS ===== */
@keyframes shake {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    10% { transform: translate(-8px, 0) rotate(-1deg); }
    20% { transform: translate(8px, 0) rotate(1deg); }
    30% { transform: translate(-8px, 0) rotate(-1deg); }
    40% { transform: translate(8px, 0) rotate(1deg); }
    50% { transform: translate(-8px, 0) rotate(-1deg); }
    60% { transform: translate(8px, 0) rotate(1deg); }
    70% { transform: translate(-4px, 0) rotate(-0.5deg); }
    80% { transform: translate(4px, 0) rotate(0.5deg); }
    90% { transform: translate(-2px, 0) rotate(-0.25deg); }
}

.shake {
    animation: shake 0.6s ease-in-out;
}

/* REDUCED shake - half intensity, half duration */
@keyframes shakeLight {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    20% { transform: translate(-4px, 0) rotate(-0.5deg); }
    40% { transform: translate(4px, 0) rotate(0.5deg); }
    60% { transform: translate(-4px, 0) rotate(-0.5deg); }
    80% { transform: translate(4px, 0) rotate(0.5deg); }
}

.shake-light {
    animation: shakeLight 0.3s ease-in-out;
}

/* Dice button pulse animation for victory state */
@keyframes dicePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.8), 0 0 40px rgba(255, 215, 0, 0.5), 0 6px 20px rgba(0, 0, 0, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 30px rgba(255, 215, 0, 1), 0 0 60px rgba(255, 215, 0, 0.7), 0 6px 20px rgba(0, 0, 0, 0.5);
    }
}

/* Victory prompt text pulse */
@keyframes textPulse {
    0%, 100% {
        opacity: 1;
        text-shadow: 0 0 10px rgba(255, 215, 0, 0.8), 0 2px 4px rgba(0, 0, 0, 0.5);
    }
    50% {
        opacity: 0.7;
        text-shadow: 0 0 20px rgba(255, 215, 0, 1), 0 2px 4px rgba(0, 0, 0, 0.5);
    }
}