* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none !important; /* Hide default cursor */
}

body {
    font-family: 'Exo 2', sans-serif;
    background: #000;
    color: #fff;
    overflow: hidden;
    height: 100vh;
}

/* ===== ENHANCED SPACESHIP CURSOR ===== */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 30px; /* Increased from 60px */
    height: 30px; /* Increased from 60px */
    z-index: 9999;
    pointer-events: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><defs><linearGradient id="engineGrad" x1="50%" y1="0%" x2="50%" y2="100%"><stop offset="0%" style="stop-color:%23ff0000;stop-opacity:1"/><stop offset="100%" style="stop-color:%23ff9900;stop-opacity:1"/></linearGradient><linearGradient id="bodyGrad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%2300ccff;stop-opacity:1"/><stop offset="100%" style="stop-color:%230066ff;stop-opacity:1"/></linearGradient><radialGradient id="glowGrad"><stop offset="0%" style="stop-color:%23ffffff;stop-opacity:0.8"/><stop offset="100%" style="stop-color:%2300ccff;stop-opacity:0"/></radialGradient></defs><g transform="translate(60,60) rotate(0)"><!-- Main body --><path d="M-30,-45 L-50,15 L-25,25 L0,45 L25,25 L50,15 L30,-45 Z" fill="url(%23bodyGrad)" stroke="%23ffffff" stroke-width="3" stroke-linejoin="round"/><!-- Cockpit --><ellipse cx="0" cy="-25" rx="15" ry="10" fill="%23000000" stroke="%23ffffff" stroke-width="2"/><ellipse cx="0" cy="-25" rx="10" ry="6" fill="%2300ccff" opacity="0.6"/><!-- Wings --><path d="M-40,0 L-60,10 L-50,25 L-25,15" fill="url(%23bodyGrad)" stroke="%23ffffff" stroke-width="2" opacity="0.9"/><path d="M40,0 L60,10 L50,25 L25,15" fill="url(%23bodyGrad)" stroke="%23ffffff" stroke-width="2" opacity="0.9"/><!-- Engine glow --><ellipse cx="0" cy="40" rx="15" ry="25" fill="url(%23engineGrad)" opacity="0.8"><animate attributeName="rx" values="15;20;15" dur="0.5s" repeatCount="indefinite"/><animate attributeName="ry" values="25;30;25" dur="0.5s" repeatCount="indefinite"/></ellipse><!-- Engine core --><ellipse cx="0" cy="40" rx="8" ry="15" fill="%23ffffff"><animate attributeName="fill" values="%23ffffff;%23ffff00;%23ffffff" dur="0.3s" repeatCount="indefinite"/></ellipse></g></svg>');
    background-size: contain;
    background-repeat: no-repeat;
    transform: translate(-50%, -50%) rotate(0deg);
    transition: transform 0.08s ease;
    filter: drop-shadow(0 0 25px rgba(0, 210, 255, 0.9)) 
            drop-shadow(0 0 40px rgba(0, 100, 255, 0.7));
}

.custom-cursor.boost {
    filter: drop-shadow(0 0 35px rgba(255, 0, 0, 0.9))
            drop-shadow(0 0 60px rgba(255, 100, 0, 0.8))
            drop-shadow(0 0 80px rgba(255, 200, 0, 0.6));
    animation: boostPulse 0.4s infinite alternate;
}

@keyframes boostPulse {
    0% { 
        transform: translate(-50%, -50%) scale(1); 
        filter: drop-shadow(0 0 35px rgba(255, 0, 0, 0.9))
                drop-shadow(0 0 60px rgba(255, 100, 0, 0.8));
    }
    100% { 
        transform: translate(-50%, -50%) scale(1.15); 
        filter: drop-shadow(0 0 45px rgba(255, 50, 0, 1))
                drop-shadow(0 0 70px rgba(255, 150, 0, 0.9))
                drop-shadow(0 0 100px rgba(255, 200, 0, 0.7));
    }
}

/* ===== ENHANCED SMOKE TRAIL ===== */
.trail-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.trail-particle {
    position: absolute;
    pointer-events: none;
    opacity: 0;
    border-radius: 50%;
    mix-blend-mode: screen; /* Creates glowing effect */
}

/* Engine trail particles */
.trail-particle.engine-trail {
    background: radial-gradient(circle, 
        rgba(255, 100, 0, 0.9) 0%, 
        rgba(255, 200, 0, 0.6) 30%, 
        rgba(255, 255, 255, 0) 70%);
    animation: engineTrailFade 1.5s ease-out forwards;
}

/* Smoke trail particles */
.trail-particle.smoke {
    background: radial-gradient(circle, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(200, 200, 200, 0.5) 20%, 
        rgba(100, 100, 100, 0.2) 40%, 
        rgba(0, 0, 0, 0) 70%);
    animation: smokeTrailFade 2s ease-out forwards;
}

/* Star trail particles */
.trail-particle.star {
    background: radial-gradient(circle, 
        rgba(255, 255, 255, 1) 0%, 
        rgba(200, 220, 255, 0.6) 40%, 
        rgba(100, 150, 255, 0.2) 70%, 
        rgba(0, 0, 0, 0) 100%);
    animation: starTrailFade 1s ease-out forwards;
}

/* Trail animations */
@keyframes engineTrailFade {
    0% {
        opacity: 0.9;
        transform: translate(0, 0) scale(0.5);
        filter: blur(0px);
    }
    50% {
        opacity: 0.6;
        transform: translate(var(--tx), var(--ty)) scale(1);
        filter: blur(2px);
    }
    100% {
        opacity: 0;
        transform: translate(calc(var(--tx) * 2), calc(var(--ty) * 2)) scale(0.5);
        filter: blur(5px);
    }
}

@keyframes smokeTrailFade {
    0% {
        opacity: 0.7;
        transform: translate(0, 0) scale(0.5);
        filter: blur(0px);
    }
    100% {
        opacity: 0;
        transform: translate(var(--tx), var(--ty)) scale(1);
        filter: blur(8px);
    }
}

@keyframes starTrailFade {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(0.5);
        filter: blur(0px);
    }
    100% {
        opacity: 0;
        transform: translate(var(--tx), var(--ty)) scale(1);
        filter: blur(3px);
    }
}

/* ===== UI ELEMENTS ===== */
.ui-btn {
    position: fixed;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
}

.ui-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.sound-btn {
    top: 0px;
    right: 25px;
}

/* Progress Indicator */
.progress-container {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    height: 70vh;
    display: flex;
    align-items: center;
}

.progress-line {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    position: relative;
}

.progress-line::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, 
        #6a11cb, 
        #2575fc, 
        #00d2ff, 
        #36d1dc, 
        #5b86e5, 
        #8a2387, 
        #f27121);
    z-index: -1;
}

.progress-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.5s;
}

.progress-dot.active {
    border-color: #00d2ff;
    box-shadow: 0 0 15px #00d2ff;
    transform: scale(1.2);
    background: rgba(0, 210, 255, 0.1);
}

/* Scroll Hint */
.scroll-hint {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 998;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    letter-spacing: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 7s infinite;
}

.scroll-hint i {
    font-size: 1.2rem;
}

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

/* Information Panel */
.info-panel {
    position: fixed;
    bottom: 80px;
    left: 50px;
    max-width: 300px;
    z-index: 997;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-left: 4px solid #36d1dc;
    padding: 25px;
    border-radius: 0 15px 15px 0;
    transform: translateX(-100%);
    opacity: 0;
    transition: all 0.8s ease;
}

.info-panel.visible {
    transform: translateX(0);
    opacity: 1;
}

.level-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, #36d1dc, #5b86e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.level-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #ccc;
}

.scale {
    font-size: 0.9rem;
    color: #8a2387;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 10px;
}

.scale-label {
    font-weight: bold;
    margin-right: 10px;
}

/* ===== ZOOM CONTAINER ===== */
.zoom-container {
    position: relative;
    width: 100%;
    height: 100vh;
    perspective: 1000px;
}

.zoom-level {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5) translateZ(-1000px);
    transition: opacity 1.5s, transform 2.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.zoom-level.active {
    opacity: 1;
    transform: scale(1) translateZ(0);
}

.level-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(1.3);
}

/* Background images */
#earth .level-bg { 
    background: 
        
        url('earth.jpeg');
    background-size: cover;
    background-position: center;
}

#solar-system .level-bg { 
    background: 
        
        url('galaxy.jpg');
    background-size: cover;
    background-position: center;
}

#orion-arm .level-bg { 
    background: 
        
        url('orionarm.jpg');
    background-size: cover;
    background-position: center;
}

#milky-way .level-bg { 
    background: 
        
        url('milkyway.jpg');
    background-size: cover;
    background-position: center;
}

#local-group .level-bg { 
    background: 
        
        url('localgr.jpg');
    background-size: cover;
    background-position: center;
}

#virgo-supercluster .level-bg { 
    background: 
        
        url('virgosup.jpg');
    background-size: cover;
    background-position: center;
}

#laniakea .level-bg { 
    background: 
        
        url('Laniakea.png');
    background-size: cover;
    background-position: center;
}

#observable-universe .level-bg { 
    background: 
        
        url('observeu.jpg');
    background-size: cover;
    background-position: center;
}

#cosmic-web .level-bg { 
    background: 
        
        url('cosmic.jpg');
    background-size: cover;
    background-position: center;
}

#universe .level-bg { 
    background: 
        
        url('universe.jpg');
    background-size: cover;
    background-position: center;
}

#multiverse .level-bg { 
    background: 
        
        url('multiverse.jpg');
    background-size: cover;
    background-position: center;
}

.level-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.level-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    margin-bottom: 20px;
    color: #fff;
}

.level-content p {
    font-size: 1.3rem;
    line-height: 1.6;
    color: #ddd;
}

/* ===== WELCOME OVERLAY ===== */
.welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, #000428, #004e92);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1s, visibility 1s;
}

.welcome-overlay:not(.active) {
    opacity: 0;
    visibility: hidden;
}

.welcome-box {
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    padding: 60px;
    border-radius: 30px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    max-width: 700px;
    backdrop-filter: blur(15px);
}

.welcome-box h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    background: linear-gradient(to right, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.5rem;
    color: #ccc;
    margin-bottom: 30px;
}

.instruction {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #aaa;
}

.cta-btn {
    background: linear-gradient(to right, #6a11cb, #2575fc);
    border: none;
    color: white;
    padding: 18px 45px;
    font-size: 1.3rem;
    border-radius: 50px;
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 15px;
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(106, 17, 203, 0.7);
}

.hint {
    margin-top: 30px;
    font-size: 0.9rem;
    color: #888;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .custom-cursor {
        display: none; /* Hide custom cursor on mobile */
    }
    
    * {
        cursor: auto !important; /* Restore default cursor on mobile */
    }
    
    .info-panel {
        left: 20px;
        right: 20px;
        max-width: none;
        bottom: 100px;
    }
    
    .level-title {
        font-size: 2rem;
    }
    
    .progress-container {
        right: 15px;
    }
    
    .progress-dot {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
    
    .welcome-box {
        padding: 40px 20px;
        margin: 20px;
    }
    
    .welcome-box h1 {
        font-size: 2.5rem;
    }
}

/* Large screens enhancement */
@media (min-width: 1600px) {
    .custom-cursor {
        width: 140px;
        height: 140px;
    }
    
    .progress-dot {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }
}

/* Performance optimization for slower devices */
@media (prefers-reduced-motion: reduce) {
    .custom-cursor,
    .trail-particle {
        animation: none !important;
        transition: none !important;
    }
    
    .scroll-hint {
        animation: none !important;
    }
}


@media (max-width: 600px) {
    .info-panel {
        display: none !important;
    }
}