/* ============================================
   KIDS SHELF - NAVIGATION
   Compact, Professional, Mobile-First
   ============================================ */

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

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-xs);
}

.header-main {
    padding: 0;
    background: white;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    gap: var(--space-4);
}

/* ===== LOGO ===== */

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.logo:hover {
    transform: scale(1.04);
}

.logo-img {
    height: 38px;
    width: auto;
    display: block;
    object-fit: contain;
}

@media (min-width: 768px) {
    .logo-img {
        height: 42px;
    }
}


/* ===== NAVIGATION MENU (Desktop) ===== */

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
    flex: 1;
    justify-content: center;
}

@media (min-width: 1025px) {
    .nav-menu {
        display: flex;
    }
}

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

.nav-link {
    position: relative;
    font-size: 14px;
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    font-family: var(--font-display);
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* ===== DESKTOP SEARCH ===== */

.navbar-search {
    position: relative;
    display: none;
    align-items: center;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 8px 16px;
    min-width: 280px;
    transition: all var(--transition-base);
}

@media (min-width: 1025px) {
    .navbar-search {
        display: flex;
    }
}

.navbar-search:focus-within {
    background: white;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.navbar-search-icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    margin-right: var(--space-2);
    flex-shrink: 0;
}

.navbar-search-input {
    flex: 1;
    border: none !important;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--color-text-primary);
    box-shadow: none !important;
}

.navbar-search-input::placeholder {
    color: var(--color-text-muted);
}

/* ===== NAVIGATION ACTIONS (Icons) ===== */

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.search-btn,
.user-btn,
.cart-btn,
.wishlist-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    text-decoration: none;
}

.search-btn:hover,
.user-btn:hover,
.cart-btn:hover,
.wishlist-btn:hover {
    background: var(--color-primary-light);
    transform: scale(1.05);
}

.search-icon,
.user-icon,
.cart-icon,
.wishlist-nav-icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    transition: fill 0.2s;
}

.wishlist-btn.in-wishlist .wishlist-nav-icon {
    fill: var(--color-primary);
}

/* ===== MOBILE MENU TOGGLE ===== */

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

@media (min-width: 1025px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle:hover {
    background: var(--color-primary-light);
}

.hamburger-line {
    width: 18px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translateY(6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translateY(-6px);
}

/* ===== MOBILE MENU (Dropdown) ===== */

@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--space-6);
        gap: var(--space-4);
        box-shadow: var(--shadow-xl);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-top: 2px solid var(--color-primary);
        max-height: calc(100vh - 56px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        display: flex;
    }
    
    .nav-link {
        font-size: 16px;
        padding: var(--space-3);
        text-align: center;
        width: 100%;
        border-radius: var(--radius-md);
    }
    
    .nav-link:hover {
        background: var(--color-bg-secondary);
    }
}

/* ===== MOBILE SEARCH OVERLAY ===== */

.mobile-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 107, 157, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-search-container {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--space-4);
}

.mobile-search-form {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
}

.mobile-search-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    margin-bottom: var(--space-4);
}

.mobile-search-input-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.mobile-search-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    margin-right: var(--space-3);
    flex-shrink: 0;
}

.mobile-search-input {
    flex: 1;
    border: none !important;
    outline: none !important;
    background: transparent;
    font-size: 16px;
    color: var(--color-text-primary);
    box-shadow: none !important;
}

.mobile-search-submit {
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: var(--font-weight-normal);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-display);
}

.mobile-search-submit:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-search-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    background: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.mobile-search-close:hover {
    transform: rotate(90deg) scale(1.1);
    background: var(--color-primary);
}

.mobile-search-close svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.mobile-search-close:hover svg {
    color: white;
}

/* ===== SOCIAL FAB (visible on all pages including homepage) ===== */

.social-fab-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 10002;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    visibility: visible;
    pointer-events: auto;
}

.social-fab-toggle {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid white;
}

.social-fab-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.caret-icon {
    width: 20px;
    height: 20px;
    color: white;
    transition: transform var(--transition-base);
}

.social-fab-toggle.active .caret-icon {
    transform: rotate(180deg);
}

.social-fab-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.social-fab-menu.active {
    max-height: 200px;
}

.social-fab-item {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: scale(0);
    border: 2px solid white;
}

.social-fab-menu.active .social-fab-item {
    opacity: 1;
    transform: scale(1);
}

.social-fab-menu.active .social-fab-item:nth-child(1) {
    transition-delay: 0.1s;
}

.social-fab-menu.active .social-fab-item:nth-child(2) {
    transition-delay: 0.15s;
}

.social-fab-menu.active .social-fab-item:nth-child(3) {
    transition-delay: 0.2s;
}

.social-fab-item:hover {
    transform: scale(1.1);
}

.social-fab-item svg {
    width: 24px;
    height: 24px;
    color: white;
}

.instagram {
    background: linear-gradient(135deg, #E1306C 0%, #C13584 50%, #833AB4 100%);
}

.facebook {
    background: linear-gradient(135deg, #1877F2 0%, #0C63D4 100%);
}

.whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

/* ===== Social FAB (decoupled, standalone) ===== */

.social-fab-wrapper .social-fab-inline {
    margin-left: 0;
    flex-shrink: 0;
    position: relative;
    bottom: auto !important;
    right: auto !important;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    min-height: 0;
    padding: 0;
}

.social-fab-wrapper-standalone .social-fab-inline {
    margin-left: 0;
    margin-right: 0;
}

.social-fab-inline .social-fab-toggle {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.social-fab-inline .social-fab-menu {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 8px;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    gap: var(--space-2);
    transition: max-height 0.3s ease;
}

.social-fab-inline .social-fab-menu.active {
    max-height: 200px;
    display: flex;
}

.social-fab-inline .social-fab-item {
    width: 48px;
    height: 48px;
    opacity: 0;
    transform: scale(0);
}

.social-fab-inline .social-fab-menu.active .social-fab-item {
    opacity: 1;
    transform: scale(1);
}