@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@500;700&display=swap');

:root {
    --primary: #99BDD7;
    --secondary: #0A1128;
    --accent: #00F0FF;
}

body {
    background: linear-gradient(135deg, #000000 0%, #0A1128 100%);
    overflow-x: hidden;
    position: relative;
}

.font-futuristic {
    font-family: 'Orbitron', sans-serif;
}

.font-tech {
    font-family: 'Rajdhani', sans-serif;
}

.neon-text {
    text-shadow: 0 0 5px var(--primary), 0 0 10px var(--primary), 0 0 20px rgba(153, 189, 215, 0.5);
}

.neon-accent-text {
    text-shadow: 0 0 5px var(--accent), 0 0 10px var(--accent), 0 0 20px rgba(0, 240, 255, 0.5);
}

.neon-border {
    box-shadow: 0 0 5px var(--primary), 0 0 10px var(--primary), inset 0 0 5px var(--primary);
    border: 1px solid rgba(153, 189, 215, 0.3);
}

.neon-button {
    transition: all 0.3s ease;
    box-shadow: 0 0 5px rgba(153, 189, 215, 0.5);
    position: relative;
    overflow: hidden;
}

.neon-button::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 60%);
    transform: rotate(30deg);
    transition: all 0.3s ease;
    opacity: 0;
}

.neon-button:hover::before {
    opacity: 1;
    animation: shine 1.5s infinite;
}

.neon-button:hover {
    box-shadow: 0 0 15px var(--primary), 0 0 30px rgba(153, 189, 215, 0.3);
    transform: translateY(-3px);
}

.neon-button:active {
    transform: translateY(0);
}

#physicsCanvas {
    background: linear-gradient(to bottom, #07090C, #0A1128);
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(153, 189, 215, 0.3);
    width: 100%;
    height: 500px;
    display: block;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    z-index: 100;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: linear-gradient(145deg, #0A1128 0%, #07090C 100%);
    border-radius: 1rem;
    max-width: 90%;
    width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.5);
    border: 1px solid var(--accent);
    position: relative;
}

.modal.show .modal-content {
    transform: scale(1);
}

.egg-button {
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10;
    border: 1px solid var(--accent);
}

.egg-button:hover {
    transform: rotateY(15deg) rotateX(10deg) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.7);
}

.egg-button:active {
    transform: scale(0.95);
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: var(--accent);
    opacity: 0;
}

.slider-vertical {
    -webkit-appearance: slider-vertical;
    -moz-appearance: slider-vertical;
    appearance: slider-vertical;
    writing-mode: bt-lr;
    -webkit-writing-mode: bt-lr;
    width: 10px;
    height: 200px;
    padding: 0 5px;
    background: linear-gradient(to bottom, var(--primary), #5D8AA8);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(82, 123, 153, 0.5);
}

.slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    height: 500px;
}

.slider-value {
    background-color: var(--primary);
    color: var(--secondary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(153, 189, 215, 0.5);
    min-width: 50px;
    text-align: center;
}

.pill-button {
    border-radius: 9999px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background-color: var(--primary);
    color: var(--secondary);
    border: none;
    position: relative;
    overflow: hidden;
}

.pill-button:hover {
    transform: translateY(-3px);
}

.pill-button.active {
    background-color: var(--primary);
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(153, 189, 215, 0.7);
}

.controls-container {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 1.5rem;
    background: rgba(10, 17, 40, 0.7);
    padding: 15px;
    border-radius: 12px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(153, 189, 215, 0.2);
}

.add-buttons {
    display: flex;
    gap: 0.8rem;
}

.reset-button {
    margin-left: auto;
    transition: all 0.3s ease;
}

.reset-button:hover, .reset-button:active {
    background-color: #EF4444 !important;
    color: white !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.7) !important;
}

.emoji-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: var(--primary);
    border-radius: 50%;
    margin-right: 10px;
}

.emoji {
    color: var(--secondary);
    font-size: 16px;
    filter: contrast(1.5) brightness(0.7);
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: var(--secondary);
    cursor: pointer;
    border: 3px solid var(--primary);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    transition: all 0.2s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--primary);
}

.title-underline {
    height: 3px;
    width: 200px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: 15px auto;
    position: relative;
    overflow: hidden;
}

.title-underline::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.8), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    100% {
        left: 100%;
    }
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s infinite;
}

.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(rgba(10, 17, 40, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 17, 40, 0.3) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.3;
    pointer-events: none;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.2) 50%);
    background-size: 100% 4px;
    z-index: 10;
    pointer-events: none;
    opacity: 0.3;
}

.corner-accent {
    position: fixed;
    width: 50px;
    height: 50px;
    border: 2px solid var(--accent);
    opacity: 0.7;
    pointer-events: none;
}

.top-left {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.top-right {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.bottom-left {
    bottom: 20px;
    left: 20px;
    border-right: none;
    border-top: none;
}

.bottom-right {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

.glitch {
    position: relative;
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--primary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-2 2s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% { clip: rect(32px, 9999px, 78px, 0); }
    20% { clip: rect(8px, 9999px, 27px, 0); }
    40% { clip: rect(91px, 9999px, 52px, 0); }
    60% { clip: rect(42px, 9999px, 16px, 0); }
    80% { clip: rect(84px, 9999px, 12px, 0); }
    100% { clip: rect(1px, 9999px, 99px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(100px, 9999px, 33px, 0); }
    20% { clip: rect(45px, 9999px, 9px, 0); }
    40% { clip: rect(2px, 9999px, 98px, 0); }
    60% { clip: rect(80px, 9999px, 72px, 0); }
    80% { clip: rect(1px, 9999px, 60px, 0); }
    100% { clip: rect(80px, 9999px, 20px, 0); }
}