/* HEADER DESIGN FIXES - Enhanced Buttons, Icons, and Menus */

/* ========================================
   HEADER CONTAINER
   ======================================== */
.modern-header {
    position: sticky;
    top: 0;
    z-index: 1040;
    transition: all 0.3s ease;
}

.modern-header .container-fluid {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ========================================
   BRAND LOGO
   ======================================== */
.modern-brand {
    transition: transform 0.3s ease;
}

.modern-brand:hover {
    transform: scale(1.02);
}

.brand-logo {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* ========================================
   NAVIGATION MENU
   ======================================== */
.navbar-nav {
    gap: 0.5rem;
}

.navbar-nav .nav-item {
    list-style: none;
}

.navbar-nav .nav-link {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

/* Active menu item */
.navbar-nav .nav-link.active,
.navbar-nav .nav-link[aria-current="page"] {
    color: #007bff !important;
    background: rgba(0, 123, 255, 0.1);
}

/* ========================================
   ICONS ENHANCEMENT
   ======================================== */
.fas, .fa {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Ensure icons are properly centered */
button i.fas,
button i.fa,
a i.fas,
a i.fa {
    line-height: 1;
    vertical-align: middle;
}

/* Icon sizes */
.cart-button-header i,
.cart-button-mobile i,
#search-toggle i {
    font-size: 1rem;
}

/* ========================================
   BUTTON STATES
   ======================================== */
.btn {
    cursor: pointer;
    user-select: none;
    text-decoration: none !important;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Focus states for accessibility */
.btn:focus,
.btn:focus-visible {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

.btn-outline-primary:focus,
.btn-outline-secondary:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* ========================================
   CART BADGE ENHANCEMENTS
   ======================================== */
.badge.bg-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
}

/* Don't show badge when count is 0 */
.badge:empty,
.badge[aria-label*="0 items"] {
    display: none !important;
}

/* ========================================
   SEARCH BAR ENHANCEMENTS
   ======================================== */
#search-bar {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#search-bar .form-control::-webkit-input-placeholder {
    color: #adb5bd;
}

#search-bar .form-control::-moz-placeholder {
    color: #adb5bd;
}

#search-bar .form-control::placeholder {
    color: #adb5bd;
}

/* Search button hover */
#search-bar .btn-primary:hover {
    background: #0056b3;
    border-color: #0056b3;
    transform: translateY(-1px);
}

#search-bar .btn-primary:active {
    transform: translateY(0);
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */
@media (max-width: 991px) {
    .navbar-nav {
        padding: 1rem 0;
        gap: 0.25rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        width: 100%;
        text-align: left;
    }
    
    .navbar-nav .nav-item {
        width: 100%;
    }
    
    /* Stack buttons in mobile menu */
    .navbar-nav .nav-item:has(button) {
        padding: 0.5rem 1rem;
    }
    
    .navbar-collapse {
        margin-top: 1rem;
    }
}

@media (max-width: 768px) {
    .modern-header {
        padding: 0.75rem 1rem !important;
    }
    
    .brand-logo {
        height: 38px !important;
    }
    
    /* Adjust mobile cart button */
    .cart-button-mobile {
        width: 38px;
        height: 38px;
    }
    
    .cart-button-mobile i {
        font-size: 1rem;
    }
}

/* ========================================
   CART PREVIEW ENHANCEMENTS
   ======================================== */
#cartPreview {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Smooth scrollbar for cart items */
#cartPreview .card-body::-webkit-scrollbar {
    width: 6px;
}

#cartPreview .card-body::-webkit-scrollbar-track {
    background: #f1f1f1;
}

#cartPreview .card-body::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 3px;
}

#cartPreview .card-body::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* Cart preview header gradient */
#cartPreview .card-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%) !important;
}

/* Empty cart state */
#cartPreview .text-muted {
    font-size: 0.9rem;
}

/* ========================================
   OFFCANVAS CART
   ======================================== */
.offcanvas-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

/* Offcanvas scrollbar */
.offcanvas-body::-webkit-scrollbar {
    width: 8px;
}

.offcanvas-body::-webkit-scrollbar-track {
    background: #f8f9fa;
}

.offcanvas-body::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 4px;
}

.offcanvas-body::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* ========================================
   NAVBAR TOGGLER (Hamburger Menu)
   ======================================== */
.navbar-toggler {
    box-shadow: none !important;
}

.navbar-toggler:hover .navbar-toggler-icon {
    opacity: 0.8;
}

.navbar-toggler-icon {
    width: 1.5em;
    height: 1.5em;
    transition: transform 0.3s ease;
}

/* Hamburger animation */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    transform: rotate(90deg);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.position-fixed {
    position: fixed !important;
}

/* ========================================
   HOVER EFFECTS
   ======================================== */
@media (hover: hover) {
    /* Only apply hover effects on devices that support hover */
    .cart-button-header:hover i,
    .cart-button-mobile:hover i,
    #search-toggle:hover i {
        transform: scale(1.1);
        transition: transform 0.2s ease;
    }
}

/* ========================================
   LOADING STATES
   ======================================== */
.spinner-border {
    border-width: 0.2em;
}

/* ========================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Apply animations */
.navbar-collapse.show {
    animation: slideInDown 0.3s ease-out;
}

#cartPreview.show {
    animation: fadeIn 0.3s ease-out;
}