/**
 * AutoRetrofit - Navbar Component
 */

/* ===================================
   Navbar Base
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) 0;
}

/* ===================================
   Navbar Container
   =================================== */

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ===================================
   Logo
   =================================== */

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-extrabold);
    color: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.logo:hover {
    color: var(--color-text-primary);
    transform: scale(1.02);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    border-radius: var(--radius-md);
    font-size: var(--text-xl);
}

/* ===================================
   Navigation Links
   =================================== */

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.nav-links a {
    position: relative;
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* ===================================
   Navigation Actions
   =================================== */

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Cart Icon */
.nav-cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.nav-cart:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.nav-cart svg {
    width: 20px;
    height: 20px;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 var(--space-1);
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-count:empty,
.cart-count[data-count="0"] {
    display: none;
}

/* ===================================
   Mobile Navigation Toggle
   =================================== */

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================
   Mobile Navigation
   =================================== */

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-24) var(--space-8);
        gap: var(--space-6);
        transition: right var(--transition-base);
        border-left: 1px solid var(--color-border);
        z-index: var(--z-modal);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: var(--text-lg);
    }
    
    .nav-toggle {
        display: flex;
    }
}