:root {
    --primary-color: #1a2a44;
    --secondary-color: #4a90e2;
    --accent-color: #28a745;
    --highlight-color: #ff4444;
    --gradient-bg: linear-gradient(135deg, #1a2a44, #4a90e2);
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #f4f7fa 0%, #e9ecef 100%);
    overflow-x: hidden;
}

.navbar {
    background: var(--gradient-bg);
    padding: 1rem 2rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.navbar-brand img {
    height: 64px;         /* Previously 32px, now double the size */
    max-height: 72px;     /* Prevents it from exceeding a clean max on very large screens */
    transition: transform 0.3s ease, filter 0.3s ease;
}

.navbar-brand img:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
}

.navbar-toggler {
    border: none;
    color: #fff;
    transition: transform 0.2s ease;
}

.navbar-toggler:hover {
    transform: rotate(90deg);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-nav .nav-item {
    position: relative;
}

.navbar-nav .nav-link {
    color: #fff;
    font-weight: 500;
    font-size: 1.1rem;
    padding: 0.6rem 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.navbar-nav .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.navbar-nav .nav-link.active {
    background: var(--secondary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.login-card {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 280px;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-4px);
}

.login-card .form-control {
    background-color: #2a4061;
    border: none;
    color: white;
    font-size: 0.9rem;
    border-radius: 6px;
}

.login-card .form-control:focus {
    background-color: #3a506b;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.3);
}

.login-card .form-control::placeholder {
    color: #b0b0b0;
}

.login-card .btn-primary {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    border: none;
    border-radius: 6px;
    transition: transform 0.2s ease;
}

.login-card .btn-primary:hover {
    transform: scale(1.05);
    background: linear-gradient(45deg, #357abd, #1e7e34);
}

.cart-icon {
    position: relative;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--highlight-color);
    color: white;
    border-radius: 50%;
    padding: 4px 8px;
    font-size: 0.7rem;
    font-weight: bold;
    animation: bounce 1.5s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.8rem 1rem;
    }
    .navbar-nav .nav-link {
        font-size: 1rem;
        padding: 0.5rem 1rem;
    }
    .login-card {
        max-width: 100%;
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 576px) {
    .navbar-nav {
        gap: 0.5rem;
    }
    .navbar-nav .nav-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}