.header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-ui);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 25px;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.store-widgets {
    display: flex;
    gap: 12px;
}

.widget-item {
    font-size: 11px;
    font-weight: 700;
    background: var(--bg-main);
    border: 1px solid var(--border-ui);
    padding: 6px 14px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.nav {
    display: flex;
    gap: 24px;
}

.nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-theme-toggle {
    background: var(--bg-main);
    border: 1px solid var(--border-ui);
    color: var(--text-main);
    font-size: 16px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.btn-theme-toggle:hover {
    border-color: var(--primary);
}

.btn-cart-accent {
    background-color: var(--primary);
    color: #ffffff;
    font-size: 14px;
    text-decoration: none;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-cart-accent:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.menu-btn {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 24px;
    cursor: pointer;
    display: none;
}

@media(max-width: 768px) {
    .nav {
        display: none;
    }
    .store-widgets {
        display: none;
    }
    .menu-btn {
        display: block;
    }
}