/* Base Styles */
body {
    margin: 0;
    background-color: #000;
    height: 100vh;
    overflow: hidden;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
}

#c {
    display: block;
    touch-action: none;
    transform: translateZ(0);
    position: relative;
    z-index: 2;
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #111821 0%, #0a1929 25%, #152c45 50%, #1d375a 75%, #193756 100%);
    z-index: 0;
    overflow: hidden;
}

.animated-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='rgba(255,255,255,0.05)' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.cube-bg {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    animation: cubeFly 15s linear infinite;
    opacity: 0.3;
}

.cube-bg:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 17s;
}

.cube-bg:nth-child(2) {
    top: 70%;
    left: 30%;
    animation-delay: -5s;
    animation-duration: 24s;
}

.cube-bg:nth-child(3) {
    top: 40%;
    right: 20%;
    animation-delay: -2s;
    animation-duration: 18s;
}

.cube-bg:nth-child(4) {
    bottom: 15%;
    right: 15%;
    animation-delay: -7s;
    animation-duration: 22s;
}

.cube-bg:nth-child(5) {
    top: 30%;
    left: 20%;
    animation-delay: -10s;
    animation-duration: 20s;
}

.cube-bg:nth-child(6) {
    bottom: 25%;
    left: 5%;
    animation-delay: -3s;
    animation-duration: 19s;
}

.cube-bg:nth-child(7) {
    top: 5%;
    right: 30%;
    animation-delay: -12s;
    animation-duration: 21s;
}

.cube-bg:nth-child(8) {
    top: 60%;
    right: 5%;
    animation-delay: -8s;
    animation-duration: 23s;
}

@keyframes cubeFly {
    0% {
        transform: translateY(100vh) rotate(0deg) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg) scale(1.5);
        opacity: 0;
    }
}

/* HUD Styles */
.hud__score,
.pause-btn {
    position: fixed;
    font-size: calc(14px + 2vw + 1vh);
    z-index: 10;
}

.hud__score {
    top: 0.65em;
    left: 0.65em;
    pointer-events: none;
    user-select: none;
}

.glow-text {
    text-shadow: 0 0 10px rgba(103, 215, 240, 0.8), 0 0 20px rgba(103, 215, 240, 0.5);
    color: #fff;
}

.pulse-text {
    font-size: 0.46em;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.cube-count-lbl.milestone {
    animation: rainbow 2s infinite;
}

@keyframes rainbow {
    0% { color: #67d7f0; text-shadow: 0 0 10px rgba(103, 215, 240, 0.5); }
    25% { color: #a6e02c; text-shadow: 0 0 10px rgba(166, 224, 44, 0.5); }
    50% { color: #fa2473; text-shadow: 0 0 10px rgba(250, 36, 115, 0.5); }
    75% { color: #fe9522; text-shadow: 0 0 10px rgba(254, 149, 34, 0.5); }
    100% { color: #67d7f0; text-shadow: 0 0 10px rgba(103, 215, 240, 0.5); }
}

.pause-btn {
    position: fixed;
    top: 0;
    right: 0;
    padding: 0.8em 0.65em;
    cursor: pointer;
    z-index: 20;
    transition: transform 0.2s;
}

.pause-btn:hover {
    transform: scale(1.1);
}

.pause-btn > div {
    position: relative;
    width: 0.8em;
    height: 0.8em;
    opacity: 0.85;
}

.pause-btn > div::before,
.pause-btn > div::after {
    content: '';
    display: block;
    width: 34%;
    height: 100%;
    position: absolute;
    background-color: #fff;
    box-shadow: 0 0 8px rgba(103, 215, 240, 0.8);
    transition: all 0.3s;
}

.pause-btn > div::after {
    right: 0;
}

.pause-btn:hover > div::before,
.pause-btn:hover > div::after {
    background-color: #67d7f0;
    box-shadow: 0 0 12px rgba(103, 215, 240, 1);
}

.slowmo {
    position: fixed;
    bottom: 0;
    width: 100%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
    will-change: opacity;
    z-index: 10;
}

.slowmo::before {
    content: 'SLOW-MO';
    display: block;
    font-size: calc(8px + 1vw + 0.5vh);
    margin-left: 0.5em;
    margin-bottom: 8px;
    text-shadow: 0 0 10px rgba(103, 215, 240, 0.8);
}

.slowmo::after {
    content: '';
    display: block;
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 1.5vh;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.slowmo__bar {
    height: 1.5vh;
    background: linear-gradient(90deg, #67d7f0, #a6e02c);
    box-shadow: 0 0 15px rgba(103, 215, 240, 0.8);
    transform-origin: 0 0;
}

/* Menu System */
.menus::before {
    content: '';
    pointer-events: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease-in;
    z-index: 50;
}

.menus.has-active::before {
    opacity: 0.7;
    transition-duration: 0.4s;
    transition-timing-function: ease-out;
}

.menus.interactive-mode::before {
    opacity: 0.3;
}

/* Menu containers */
.menu {
    pointer-events: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    user-select: none;
    text-align: center;
    color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px);
    transition-property: opacity, visibility, transform;
    transition-duration: 0.3s;
    transition-timing-function: ease-in;
    z-index: 100;
}

.menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-duration: 0.5s;
    transition-timing-function: ease-out;
}

.menus.interactive-mode .menu.active {
    opacity: 0.9;
}

.menus:not(.interactive-mode) .menu.active > * {
    pointer-events: auto;
}

/* Menu Elements */
.game-title {
    font-size: 6rem;
    line-height: 0.95;
    text-align: center;
    font-weight: bold;
    margin: 0 0.65em 1em;
    position: relative;
    color: #fff;
    text-shadow: 0 0 20px rgba(103, 215, 240, 0.8), 0 0 40px rgba(103, 215, 240, 0.4);
    animation: titlePulse 3s infinite;
    letter-spacing: 0.1em;
}

@keyframes titlePulse {
    0% { text-shadow: 0 0 20px rgba(103, 215, 240, 0.8), 0 0 40px rgba(103, 215, 240, 0.4); }
    50% { text-shadow: 0 0 30px rgba(166, 224, 44, 0.8), 0 0 60px rgba(166, 224, 44, 0.4); }
    100% { text-shadow: 0 0 20px rgba(103, 215, 240, 0.8), 0 0 40px rgba(103, 215, 240, 0.4); }
}

.pause-title, .score-title {
    font-size: 4rem;
    line-height: 0.95;
    text-align: center;
    font-weight: bold;
    margin: 0 0.65em 1em;
    color: #fff;
    text-shadow: 0 0 15px rgba(103, 215, 240, 0.7);
}

h2 {
    font-size: 1.5rem;
    line-height: 1;
    text-align: center;
    font-weight: bold;
    margin: -1em 0.65em 1em;
    color: #a6e02c;
    text-shadow: 0 0 10px rgba(166, 224, 44, 0.5);
}

.final-score-lbl {
    font-size: 5rem;
    margin: -0.2em 0 0;
    color: #fff;
    text-shadow: 0 0 20px rgba(103, 215, 240, 0.8);
}

.high-score-lbl {
    font-size: 1.4rem;
    margin: 0 0 2.5em;
    color: #fe9522;
    text-shadow: 0 0 10px rgba(254, 149, 34, 0.5);
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Button Styling */
.glowing-btn {
    display: inline-block;
    position: relative;
    width: 240px;
    padding: 15px 25px;
    background: rgba(103, 215, 240, 0.1);
    border: 2px solid rgba(103, 215, 240, 0.4);
    border-radius: 5px;
    outline: none;
    user-select: none;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 1.4rem;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 0 10px rgba(103, 215, 240, 0.3);
}

.glowing-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s;
}

.glowing-btn:hover {
    background: rgba(103, 215, 240, 0.2);
    border-color: rgba(103, 215, 240, 0.6);
    box-shadow: 0 0 20px rgba(103, 215, 240, 0.5);
    transform: scale(1.05);
}

.glowing-btn:hover::before {
    left: 100%;
}

.glowing-btn:active {
    transform: scale(0.95);
    background: rgba(103, 215, 240, 0.3);
}

/* Congratulations Overlay */
.congrats-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.congrats-overlay.active {
    display: flex;
    animation: fadeIn 0.5s ease-out;
}

.congrats-content {
    text-align: center;
    color: #fff;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    border: 2px solid rgba(103, 215, 240, 0.3);
    box-shadow: 0 0 30px rgba(103, 215, 240, 0.5);
    transform: scale(0);
    animation: popIn 0.7s ease-out forwards;
    position: relative;
    overflow: hidden;
}

.congrats-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(103, 215, 240, 0.1) 0%, rgba(0, 0, 0, 0) 60%);
    animation: rotate 10s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.congrats-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #67d7f0;
    text-shadow: 0 0 20px rgba(103, 215, 240, 0.6);
}

.shine-text {
    position: relative;
    overflow: hidden;
}

.shine-text::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    animation: shine 3s infinite;
    transform: rotate(25deg);
}

@keyframes shine {
    0% { top: -200%; left: -200%; }
    100% { top: 200%; left: 200%; }
}

.congrats-text {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.typewriter {
    overflow: hidden;
    border-right: 0.15em solid #a6e02c;
    white-space: nowrap;
    margin: 0 auto;
    animation: 
        typing 2s steps(20, end),
        blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: #a6e02c }
}

.congrats-score {
    font-size: 3rem;
    color: #a6e02c;
    text-shadow: 0 0 15px rgba(166, 224, 44, 0.6);
    margin-bottom: 2rem;
}

.bounce-text {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.continue-btn {
    display: inline-block;
    padding: 12px 30px;
    background: rgba(166, 224, 44, 0.2);
    border: 2px solid rgba(166, 224, 44, 0.5);
    border-radius: 5px;
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 15px rgba(166, 224, 44, 0.3);
}

.continue-btn:hover {
    background: rgba(166, 224, 44, 0.3);
    box-shadow: 0 0 20px rgba(166, 224, 44, 0.5);
    transform: scale(1.05);
}

/* Fireworks Animation */
.fireworks {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.firework {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    box-shadow: 0 0 10px 5px rgba(255, 255, 255, 0.7);
    animation: firework 2s infinite;
}

.firework:nth-child(1) {
    top: 20%;
    left: 20%;
    background-color: #67d7f0;
    animation-delay: 0s;
}

.firework:nth-child(2) {
    top: 30%;
    right: 20%;
    background-color: #a6e02c;
    animation-delay: 0.5s;
}

.firework:nth-child(3) {
    bottom: 20%;
    left: 40%;
    background-color: #fa2473;
    animation-delay: 1s;
}

@keyframes firework {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    20% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

/* Footer */
.footer {
    position: fixed;
    bottom: 20px;
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.75);
    font-size: 1rem;
    z-index: 50;
}

.footer-content {
    padding: 10px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.2);
    display: inline-block;
}

.heart {
    color: #fa2473;
    display: inline-block;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(1); }
    75% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.author-link {
    color: #67d7f0;
    text-decoration: none;
    position: relative;
    transition: color 0.3s;
}

.author-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: #67d7f0;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.author-link:hover {
    color: #a6e02c;
}

.author-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
    background-color: #a6e02c;
}

/* Animation Helper Classes */
.fade-in-text {
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in-up {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes popIn {
    0% { 
        transform: scale(0);
        opacity: 0;
    }
    70% { 
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% { 
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .game-title {
        font-size: 4rem;
    }
    
    .congrats-title {
        font-size: 2.5rem;
    }
    
    .congrats-text {
        font-size: 1.4rem;
    }
    
    .congrats-score {
        font-size: 2.2rem;
    }
    
    .final-score-lbl {
        font-size: 3.5rem;
    }
    
    .glowing-btn {
        width: 200px;
        font-size: 1.2rem;
    }
    
    .footer {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .game-title {
        font-size: 3rem;
    }
    
    .congrats-title {
        font-size: 2rem;
    }
    
    .congrats-content {
        padding: 1.5rem;
    }
    
    .glowing-btn {
        width: 180px;
        font-size: 1rem;
    }
}

/* Score Bump Animation */
.score-lbl {
    transition: transform 0.2s;
}

.score-lbl.score-bump {
    transform: scale(1.3);
    animation: scoreBump 0.4s ease-out;
}

@keyframes scoreBump {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* Enhanced Particle Effects */
.sparkle {
    position: absolute;
    pointer-events: none;
    background: radial-gradient(circle, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    opacity: 0;
    z-index: 1000;
    animation: sparkleAnim 0.8s ease-out forwards;
}

@keyframes sparkleAnim {
    0% {
        transform: scale(0);
        opacity: 0.8;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

/* Canvas VFX Overlay */
#c::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    z-index: 5;
}

/* Dynamic Color Schemes for Different Game Modes */
body.casual-mode {
    background-image: radial-gradient(ellipse at top, #474273 0%, #43386d 20%, #3f2e67 40%, #3a2460 60%, #361a5a 80%, #321154 100%);
}

body.casual-mode .animated-background {
    background: linear-gradient(135deg, #2a0f45 0%, #3b1a59 25%, #4c2576 50%, #5d309c 75%, #6e3bb0 100%);
}

body.casual-mode .glowing-btn {
    background: rgba(126, 87, 194, 0.1);
    border: 2px solid rgba(126, 87, 194, 0.4);
    box-shadow: 0 0 10px rgba(126, 87, 194, 0.3);
}

body.casual-mode .glowing-btn:hover {
    background: rgba(126, 87, 194, 0.2);
    border-color: rgba(126, 87, 194, 0.6);
    box-shadow: 0 0 20px rgba(126, 87, 194, 0.5);
}

body.casual-mode .glow-text {
    text-shadow: 0 0 10px rgba(126, 87, 194, 0.8), 0 0 20px rgba(126, 87, 194, 0.5);
}

body.casual-mode .game-title {
    text-shadow: 0 0 20px rgba(126, 87, 194, 0.8), 0 0 40px rgba(126, 87, 194, 0.4);
    animation: purpleTitlePulse 3s infinite;
}

@keyframes purpleTitlePulse {
    0% { text-shadow: 0 0 20px rgba(126, 87, 194, 0.8), 0 0 40px rgba(126, 87, 194, 0.4); }
    50% { text-shadow: 0 0 30px rgba(186, 104, 200, 0.8), 0 0 60px rgba(186, 104, 200, 0.4); }
    100% { text-shadow: 0 0 20px rgba(126, 87, 194, 0.8), 0 0 40px rgba(126, 87, 194, 0.4); }
}

/* Interactive Button Hover Effects */
.btn-hover-effect {
    position: relative;
    overflow: hidden;
}

.btn-hover-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 0.5s, opacity 0.3s;
}

.btn-hover-effect:hover::after {
    transform: translate(-50%, -50%) scale(15);
    opacity: 0.2;
}

/* High Score Celebration Animation */
@keyframes celebrate {
    0%, 100% {
        transform: scale(1) rotate(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: scale(1.1) rotate(3deg);
    }
    20%, 40%, 60%, 80% {
        transform: scale(1.1) rotate(-3deg);
    }
}

.celebrate {
    animation: celebrate 1s ease-in-out;
}

/* Game State Transitions */
.game-state-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
    pointer-events: none;
    z-index: 9999;
    animation: stateFade 0.5s ease-out;
}

@keyframes stateFade {
    0% {
        background-color: rgba(103, 215, 240, 0.2);
    }
    100% {
        background-color: transparent;
    }
}

/* Level Up Effects */
.level-up {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 3rem;
    color: #a6e02c;
    text-shadow: 0 0 20px rgba(166, 224, 44, 0.8);
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
    animation: levelUpAnim 1.5s ease-out forwards;
}

@keyframes levelUpAnim {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

/* Combo Effects */
.combo-text {
    position: absolute;
    color: #fa2473;
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(250, 36, 115, 0.8);
    pointer-events: none;
    z-index: 100;
    white-space: nowrap;
    animation: comboFade 1s ease-out forwards;
}

@keyframes comboFade {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    20% {
        transform: scale(1.2);
        opacity: 1;
    }
    80% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-50px) scale(0.8);
        opacity: 0;
    }
}

/* Enhanced Score Milestone Animation */
.milestone-reached {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    color: #fe9522;
    text-shadow: 0 0 15px rgba(254, 149, 34, 0.7);
    pointer-events: none;
    z-index: 1000;
    text-align: center;
    opacity: 0;
    animation: milestoneAnim 2s ease-out forwards;
}

@keyframes milestoneAnim {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0;
    }
    20% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
    80% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0;
    }
}

/* Power-up Animation */
.power-up-indicator {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(166, 224, 44, 0.2);
    border: 2px solid rgba(166, 224, 44, 0.6);
    box-shadow: 0 0 15px rgba(166, 224, 44, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: #fff;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s;
    z-index: 50;
}

.power-up-indicator.active {
    opacity: 1;
    transform: scale(1);
    animation: powerPulse 2s infinite;
}

@keyframes powerPulse {
    0%, 100% {
        box-shadow: 0 0 15px rgba(166, 224, 44, 0.5);
    }
    50% {
        box-shadow: 0 0 25px rgba(166, 224, 44, 0.8);
    }
}

/* Game Mode Labels */
.game-mode-label {
    position: fixed;
    top: 20px;
    right: 120px;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 1rem;
    color: #fff;
    z-index: 50;
}

.game-mode-normal {
    border: 1px solid rgba(103, 215, 240, 0.4);
    box-shadow: 0 0 10px rgba(103, 215, 240, 0.3);
}

.game-mode-casual {
    border: 1px solid rgba(126, 87, 194, 0.4);
    box-shadow: 0 0 10px rgba(126, 87, 194, 0.3);
}

/* Enhanced Button Press Effects */
.button-press {
    animation: buttonPress 0.3s forwards;
}

@keyframes buttonPress {
    0% { transform: scale(1); }
    50% { transform: scale(0.92); }
    100% { transform: scale(1); }
}

/* Game Start Animation */
.game-start-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 30%, rgba(0, 0, 0, 0.8) 70%);
    z-index: 5000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: gameStartFade 1.5s ease-out forwards;
}

.countdown {
    font-size: 6rem;
    color: #fff;
    text-shadow: 0 0 30px rgba(103, 215, 240, 0.8);
    animation: countdownPulse 1s ease-out;
}

@keyframes gameStartFade {
    0% { opacity: 1; }
    80% { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes countdownPulse {
    0% { transform: scale(0.5); opacity: 0; }
    20% { transform: scale(1.2); opacity: 1; }
    70% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0; }
}

/* Improved scrollbar for any scrollable content */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(103, 215, 240, 0.5);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(103, 215, 240, 0.7);
}

/* Score counter animation */
@keyframes countUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.count-up {
    display: inline-block;
    animation: countUp 0.3s ease-out;
}

/* Accessibility improvements - focus styles */
button:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 4px rgba(103, 215, 240, 0.4);
}

/* Print styles for any potential printing needs */
@media print {
    body {
        background: #fff !important;
        color: #000 !important;
    }
    
    .menus, .hud, .animated-background, .footer {
        display: none !important;
    }
}