* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.dark ::-webkit-scrollbar-track {
    background: #374151;
}

::-webkit-scrollbar-thumb {
    background: #8B5CF6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7C3AED;
}

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

.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

.book-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:active::after {
    width: 300px;
    height: 300px;
}

input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #8B5CF6;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

.toast-enter {
    transform: translateY(0);
    opacity: 1;
}

.toast-exit {
    transform: translateY(20px);
    opacity: 0;
}

.book-cover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    text-align: center;
    padding: 1rem;
}

.quantity-input::-webkit-inner-spin-button,
.quantity-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-input {
    -moz-appearance: textfield;
    appearance: textfield;
}

.promo-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

@media (max-width: 640px) {
    .book-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .book-grid {
        grid-template-columns: 1fr;
    }
}

.dark .shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

.dark .shadow-xl {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

@media print {
    nav, footer, .no-print {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}
.font-arabic {
    font-family: 'Noto Naskh Arabic', 'Traditional Arabic', 'Segoe UI', serif;
    line-height: 1.8;
}

@keyframes blob {
    0% { transform: translate(0px, 0px) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0px, 0px) scale(1); }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient 3s ease infinite;
}

.hide-mobile {
    display: none !important;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: flex !important;
    }
    .hide-mobile.hidden {
        display: none !important;
    }
}