* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow-x: hidden;
    overflow-y: auto;
    background: #000;
    font-family: 'Courier New', monospace;
    cursor: default;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

#canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.nft-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #00ffcc;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border: 1px solid #00ffcc;
    border-radius: 5px;
    backdrop-filter: blur(10px);
    z-index: 100;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 10px #00ffcc; }
    50% { box-shadow: 0 0 30px #00ffcc, 0 0 50px #00ffcc; }
}

.nft-info h1 {
    font-size: 18px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nft-info p {
    font-size: 12px;
    opacity: 0.8;
    line-height: 1.5;
}

.signature {
    position: fixed;
    bottom: 20px;
    right: 20px;
    color: #ff00ff;
    font-size: 14px;
    opacity: 0.7;
    z-index: 100;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Cards Container */
.cards-container {
    position: relative;
    z-index: 50;
    padding: 100px 50px;
    min-height: 100vh;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    perspective: 1000px;
}

/* 3D Card */
.card-3d {
    position: relative;
    aspect-ratio: 3/4;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #00ffcc;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    animation: glow 2s ease-in-out infinite;
    overflow: hidden;
    will-change: transform;
}

.card-3d::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00ffcc, #ff00ff, #00ffcc);
    border-radius: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    animation: rotate-gradient 3s linear infinite;
}

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

.card-3d:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 20px 60px rgba(0, 255, 204, 0.4),
                0 0 40px rgba(255, 0, 255, 0.3);
}

.card-3d:hover::before {
    opacity: 0.5;
}

.card-content {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1;
}

.card-thumbnail {
    width: 100%;
    height: 60%;
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.1), rgba(255, 0, 255, 0.1));
    border-radius: 10px;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
}

.card-thumbnail iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 10px;
    pointer-events: none;
    transform: scale(1);
    transition: transform 0.3s ease;
}

.card-3d:hover .card-thumbnail iframe {
    transform: scale(1.05);
}

.card-thumbnail::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s infinite;
    pointer-events: none;
    z-index: 1;
}

/* Placeholder thumbnail style */
.card-thumbnail.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #00ffcc;
    background: linear-gradient(135deg, rgba(0, 255, 204, 0.05), rgba(255, 0, 255, 0.05));
}

.card-thumbnail.loading::before {
    content: '⏳';
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.card-thumbnail iframe.lazy {
    opacity: 0;
    transition: opacity 0.5s ease-in;
}

.card-thumbnail iframe.loaded {
    opacity: 1;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.card-info {
    color: #00ffcc;
}

.card-info h2 {
    font-size: 20px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.card-info p {
    font-size: 12px;
    opacity: 0.8;
    line-height: 1.6;
}

.card-number {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #ff00ff;
    font-size: 14px;
    font-weight: bold;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 1200px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .cards-container {
        padding: 80px 20px;
    }

    .nft-info {
        font-size: 12px;
        padding: 10px;
        left: 10px;
        bottom: 10px;
    }

    .nft-info h1 {
        font-size: 14px;
    }

    .nft-info p {
        font-size: 10px;
    }

    .signature {
        font-size: 10px;
        right: 10px;
        bottom: 10px;
    }

    /* Disable 3D effects on mobile */
    .card-3d {
        transform: none !important;
        transition: transform 0.3s ease;
    }

    .card-3d:active {
        transform: scale(0.98) !important;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00ffcc, #ff00ff);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ff00ff, #00ffcc);
}



/* Login Button */
.login-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 200;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.85);
    border: 2px solid #00ffcc;
    border-radius: 12px;
    color: #00ffcc;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(20px);
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.3),
                0 0 40px rgba(255, 0, 255, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: slideInFromRight 0.5s ease-out;
}

.login-btn:hover {
    background: rgba(0, 255, 204, 0.1);
    border-color: #00ffcc;
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.5),
                0 0 60px rgba(255, 0, 255, 0.3);
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(0, 255, 204, 0.8);
}

.login-btn .icon {
    font-size: 18px;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .login-btn {
        top: 10px;
        right: 10px;
        padding: 10px 18px;
        font-size: 12px;
    }

    .login-btn .icon {
        font-size: 16px;
    }
}

/* Hide in preview mode (iframe) */
body.preview-mode .login-btn {
    display: none;
}