/* ============================================
   Premium Peptide - Custom Styles
   For Research Use Only
   ============================================ */

/* Gradient Background */
.gradient-bg {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #8b5cf6 100%);
}

/* Product Card Hover Effect */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-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);
}

/* Primary Button Gradient */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
}

/* Mobile Menu Animation */
.mobile-menu {
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
}
.mobile-menu.open {
    transform: translateX(0);
}

/* WhatsApp Floating Button */
.whatsapp-float-btn {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
    background-color: #22c55e;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}
.whatsapp-float-btn:hover {
    background-color: #16a34a;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateX(-50%) scale(1.05);
}
.whatsapp-float-btn.fade-in {
    opacity: 0;
    pointer-events: none;
}
.whatsapp-float-btn.fade-in.show {
    opacity: 1;
    pointer-events: auto;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 100;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.3s ease;
}
.toast-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #34d399;
}
.toast-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Form Input Focus */
input:focus, textarea:focus, select:focus {
    outline: none;
    ring: 2px;
    ring-color: #3b82f6;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Image Aspect Ratio */
.aspect-square {
    aspect-ratio: 1 / 1;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: #dbeafe;
    color: #1e40af;
}

/* Price Display */
.price-display {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2563eb;
}

/* Loading Spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Responsive Typography */
@media (max-width: 640px) {
    .text-responsive {
        font-size: 0.875rem;
    }
}
@media (min-width: 768px) {
    .text-responsive {
        font-size: 1rem;
    }
}