/* ====================================================================
   HEADER & NAVIGATION IMPROVEMENTS
   ==================================================================== */

/* Enhanced Navbar */
.navbar {
    padding: 1rem 0 !important;
    background: linear-gradient(to bottom, #ffffff, #f8f9fa) !important;
    border-bottom: 3px solid #3498db !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

.navbar-brand {
    margin-right: 2rem !important;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand img {
    max-height: 50px !important;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
}

.navbar-brand:hover img {
    filter: drop-shadow(0 4px 8px rgba(52, 152, 219, 0.3));
}

/* Navigation Links */
.navbar-nav .nav-link {
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: #2c3e50 !important;
    padding: 0.6rem 1.2rem !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.navbar-nav .nav-link:hover {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb) !important;
    color: #1565c0 !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link:hover::after {
    width: 60%;
}

.navbar-nav .nav-link i {
    font-size: 1.1rem;
    margin-right: 0.4rem;
    transition: all 0.2s ease;
}

.navbar-nav .nav-link:hover i {
    transform: scale(1.15);
    color: #3498db;
}

/* Dropdown Menu */
.dropdown-menu {
    border: none !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
    border-radius: 12px !important;
    padding: 0.75rem 0 !important;
    margin-top: 0.5rem !important;
    animation: dropdownSlideIn 0.3s ease;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: 0.75rem 1.5rem !important;
    font-weight: 500 !important;
    color: #2c3e50 !important;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: linear-gradient(90deg, #e3f2fd, #f8f9fa) !important;
    border-left-color: #3498db !important;
    color: #1565c0 !important;
    padding-left: 1.75rem !important;
}

/* Live Copper Price Badge */
.copper-price {
    background: linear-gradient(135deg, #fff8e1, #ffecb3) !important;
    border: 2px solid #ffc107 !important;
    border-radius: 12px !important;
    padding: 0.5rem 1rem !important;
    box-shadow: 0 3px 10px rgba(255, 193, 7, 0.2) !important;
}

.copper-price:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.3) !important;
}

.copper-price .fas.fa-coins {
    font-size: 1.3rem;
    color: #f57c00 !important;
}

.copper-price .price-value {
    font-size: 1rem !important;
    color: #e65100 !important;
    font-weight: 700 !important;
}

/* Cart Button Enhancement */
.cart-button {
    background: linear-gradient(135deg, #2196F3, #1976D2) !important;
    border: none !important;
    border-radius: 30px !important;
    padding: 0.75rem 1.75rem !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.35) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.cart-button:hover {
    background: linear-gradient(135deg, #1976D2, #1565C0) !important;
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.45) !important;
    transform: translateY(-3px) scale(1.05) !important;
}

.cart-button i {
    font-size: 1.2rem !important;
    margin-right: 0.5rem !important;
}

/* Cart Badge */
.cart-badge {
    position: absolute !important;
    top: -8px !important;
    right: -8px !important;
    background: linear-gradient(135deg, #f44336, #d32f2f) !important;
    color: white !important;
    border-radius: 50% !important;
    width: 24px !important;
    height: 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    border: 2px solid white !important;
    box-shadow: 0 2px 8px rgba(244, 67, 54, 0.4) !important;
    animation: pulse 2s infinite !important;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(244, 67, 54, 0.4);
    }
    50% {
        transform: scale(1.15);
        box-shadow: 0 4px 12px rgba(244, 67, 54, 0.6);
    }
}

/* Search Bar Enhancement */
.quick-search .input-group {
    border: 2px solid #e0e0e0 !important;
    border-radius: 25px !important;
    overflow: hidden;
    background: white !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
    transition: all 0.3s ease;
}

.quick-search .input-group:focus-within {
    border-color: #3498db !important;
    box-shadow: 0 4px 16px rgba(52, 152, 219, 0.15) !important;
    transform: translateY(-1px);
}

.quick-search .form-control {
    border: none !important;
    padding: 0.75rem 1.25rem !important;
    font-size: 0.95rem !important;
    font-weight: 500;
}

.quick-search .form-control:focus {
    box-shadow: none !important;
}

.quick-search .input-group-text {
    background: transparent !important;
    border: none !important;
    color: #757575;
}

/* Mobile Responsive */
@media (max-width: 991px) {
    .navbar-brand img {
        max-height: 40px !important;
    }
    
    .navbar {
        padding: 0.75rem 0 !important;
    }
    
    .navbar-collapse {
        background: white;
        padding: 1.5rem;
        margin: 1rem -1rem 0 -1rem;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }
    
    .quick-search {
        margin: 1rem 0 !important;
        width: 100% !important;
    }
    
    .cart-button {
        width: 100% !important;
        margin-top: 1rem !important;
        justify-content: center;
    }
    
    .copper-price {
        width: 100% !important;
        margin: 0.5rem 0 !important;
        text-align: center;
    }
}

/* Enhanced Container */
.container-fluid.px-4 {
    max-width: 1400px;
}

/* Navbar Item Spacing */
.navbar-nav {
    gap: 0.25rem;
}

/* Active State */
.nav-link.active {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb) !important;
    color: #1565c0 !important;
}

.nav-link.active::after {
    width: 60%;
}