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

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FF6B9D, #FFD93D);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #FF8C42, #FF6B9D);
}

.border-3 {
    border-width: 3px;
}

.artwork-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.artwork-card:hover {
    transform: translateY(-8px) rotate(1deg);
}

.artwork-card:hover .card-image {
    transform: scale(1.05);
}

.card-image {
    transition: transform 0.4s ease;
}

.tag-pill {
    transition: all 0.2s ease;
}

.tag-pill:hover {
    transform: scale(1.05);
}

.tag-pill.active {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.nav-link {
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
}

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

.float-animation {
    animation: float 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 107, 157, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 107, 157, 0.6);
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes rainbow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.rainbow-bg {
    background: linear-gradient(90deg, #FF6B9D, #FFD93D, #6BCB77, #3498DB, #9B59B6, #FF6B9D);
    background-size: 300% 300%;
    animation: rainbow 5s ease infinite;
}

.book-cover {
    transition: all 0.4s ease;
    cursor: pointer;
}

.book-cover:hover {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.page-flip {
    animation: pageFlip 0.6s ease;
}

@keyframes pageFlip {
    0% {
        transform: rotateY(0deg);
        opacity: 1;
    }
    50% {
        transform: rotateY(90deg);
        opacity: 0.5;
    }
    100% {
        transform: rotateY(0deg);
        opacity: 1;
    }
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .masonry-grid {
        column-count: 2;
        column-gap: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .masonry-grid {
        column-count: 3;
    }
}

@media (min-width: 1280px) {
    .masonry-grid {
        column-count: 4;
    }
}

.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.toast-show {
    transform: translateY(0) translateX(-50%) !important;
    opacity: 1 !important;
}

.image-drop-zone.dragover {
    border-color: #FF6B9D;
    background-color: rgba(255, 107, 157, 0.1);
}

.gradient-text {
    background: linear-gradient(135deg, #FF6B9D, #FFD93D, #6BCB77);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-primary {
    background: linear-gradient(135deg, #FF6B9D, #FF8C42);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #FF8C42, #FF6B9D);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 107, 157, 0.3);
}

.card-shadow {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05);
}

.card-shadow:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.1);
}

.text-shadow {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.wave-decoration {
    position: relative;
}

.wave-decoration::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z' fill='%23FF6B9D' fill-opacity='0.3'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
}

@media (max-width: 640px) {
    .nav-link span:last-child {
        display: none;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }
.stagger-7 { animation-delay: 0.7s; }
.stagger-8 { animation-delay: 0.8s; }