/**
 * Little Forest Main Navigation Styles
 * Color palette based on the Little Forest brand:
 * - Forest green (#1B5E4B) primary
 * - Gold (#C5A55A) accent
 * - Gradient backgrounds for accent elements
 * - Card shadows and hover effects
 * - Bootstrap Icons integration
 * - Smooth transitions and animations
 */

/* ============================================
   ROOT VARIABLES - Design Tokens
   ============================================ */
:root {
    /* Bootstrap 5 primary override — changes ALL Bootstrap components globally */
    --bs-primary: #1B5E4B;
    --bs-primary-rgb: 27, 94, 75;
    --bs-link-color: #1B5E4B;
    --bs-link-color-rgb: 27, 94, 75;
    --bs-link-hover-color: #2A7D64;
    --bs-link-hover-color-rgb: 42, 125, 100;
    
    /* Primary brand colors */
    --nav-primary-gradient: linear-gradient(135deg, #0F3D2E 0%, #1B5E4B 100%);
    --nav-danger-gradient: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 50%, #f39c12 100%);
    --nav-success-gradient: linear-gradient(135deg, #1B5E4B 0%, #2A7D64 100%);
    
    /* Navigation specific tokens */
    --nav-bg: rgba(255, 255, 255, 0.98);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.95);
    --nav-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    --nav-shadow-scrolled: 0 4px 30px rgba(0, 0, 0, 0.12);
    --nav-border-radius: 0;
    --nav-height: 70px;
    --nav-height-mobile: 60px;
    
    /* Typography */
    --nav-font-size: 0.95rem;
    --nav-font-weight: 500;
    
    /* Transitions */
    --nav-transition-fast: 0.15s ease;
    --nav-transition-normal: 0.3s ease;
    --nav-transition-slow: 0.5s ease;
    
    /* Z-index layers */
    --nav-z-index: 1030;
}

/* ============================================
   MAIN NAVIGATION CONTAINER
   ============================================ */
.main-nav {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--nav-shadow);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    min-height: var(--nav-height);
    z-index: var(--nav-z-index);
    transition: all var(--nav-transition-normal);
}

/* Scrolled state - enhanced shadow */
.main-nav.scrolled {
    background: var(--nav-bg-scrolled);
    box-shadow: var(--nav-shadow-scrolled);
}

/* ============================================
   BRAND / LOGO
   ============================================ */
.main-nav-brand {
    font-weight: 700;
    font-size: 1.35rem;
    color: #212529 !important;
    text-decoration: none;
    transition: all var(--nav-transition-normal);
    padding: 0.5rem 0;
}

.main-nav-brand:hover {
    color: var(--bs-primary) !important;
    transform: scale(1.02);
}

.brand-logo-img {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    object-fit: cover;
    transition: all var(--nav-transition-normal);
}

.main-nav-brand:hover .brand-logo-img {
    transform: rotate(-5deg) scale(1.1);
    box-shadow: 0 4px 15px rgba(27, 94, 75, 0.3);
}

.brand-text {
    letter-spacing: -0.02em;
}

/* ============================================
   MOBILE TOGGLE BUTTON
   ============================================ */
.main-nav-toggler {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    padding: 0;
    border-radius: 10px;
    transition: all var(--nav-transition-fast);
}

.main-nav-toggler:hover {
    background: rgba(0, 0, 0, 0.05);
}

.main-nav-toggler:focus {
    box-shadow: 0 0 0 3px rgba(27, 94, 75, 0.25);
    outline: none;
}

.navbar-toggler-icon-custom {
    font-size: 1.5rem;
    color: #212529;
    transition: transform var(--nav-transition-normal);
}

/* Animate hamburger on collapse */
.main-nav-toggler:not(.collapsed) .navbar-toggler-icon-custom {
    transform: rotate(90deg);
}

/* ============================================
   NAVIGATION COLLAPSE CONTAINER
   ============================================ */
.main-nav-collapse {
    transition: all var(--nav-transition-normal);
}

/* ============================================
   NAVIGATION LINKS
   ============================================ */
.main-nav-links {
    gap: 0.25rem;
}

.main-nav-link {
    font-size: var(--nav-font-size);
    font-weight: var(--nav-font-weight);
    color: #495057 !important;
    padding: 0.6rem 1rem !important;
    border-radius: 10px;
    display: flex;
    align-items: center;
    transition: all var(--nav-transition-fast);
    position: relative;
    overflow: hidden;
}

/* Hover effect with subtle background */
.main-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--nav-primary-gradient);
    opacity: 0;
    transition: opacity var(--nav-transition-fast);
    border-radius: 10px;
    z-index: -1;
}

.main-nav-link:hover {
    color: white !important;
    transform: translateY(-1px);
}

.main-nav-link:hover::before {
    opacity: 1;
}

/* Active state */
.main-nav-link.active,
.main-nav-link[aria-current="page"] {
    color: white !important;
}

.main-nav-link.active::before,
.main-nav-link[aria-current="page"]::before {
    opacity: 1;
}

/* Focus state for accessibility */
.main-nav-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(27, 94, 75, 0.25);
}

/* ============================================
   FLASH SALE SPECIAL LINK
   ============================================ */
.nav-link-flash::before {
    background: var(--nav-danger-gradient) !important;
}

.nav-link-flash:hover {
    animation: pulse-flash 1s ease-in-out infinite;
}

@keyframes pulse-flash {
    0%, 100% {
        transform: translateY(-1px) scale(1);
    }
    50% {
        transform: translateY(-2px) scale(1.02);
    }
}

/* ============================================
   NAVIGATION BADGES
   ============================================ */
.nav-badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.4rem;
    font-weight: 600;
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================
   RIGHT SIDE ACTION BUTTONS
   ============================================ */
.nav-actions {
    padding-left: 1rem;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-action-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: #495057;
    font-size: 1.25rem;
    text-decoration: none;
    transition: all var(--nav-transition-fast);
    position: relative;
}

.nav-action-btn:hover {
    background: var(--nav-primary-gradient);
    color: white !important;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(27, 94, 75, 0.3);
}

.nav-action-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(27, 94, 75, 0.25);
}

/* ============================================
   USER DROPDOWN MENU
   ============================================ */
.nav-user-dropdown {
    position: relative;
}

.nav-user-menu {
    min-width: 220px;
    border: none;
    border-radius: 12px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    overflow: hidden;
}

.nav-user-menu .dropdown-header {
    padding: 0.75rem 1rem 0.5rem;
    color: #212529;
    font-size: 0.875rem;
    background: rgba(0, 0, 0, 0.02);
}

.nav-user-menu .dropdown-item {
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    color: #495057;
    border-radius: 0;
    transition: all var(--nav-transition-fast);
    display: flex;
    align-items: center;
}

.nav-user-menu .dropdown-item i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    color: #6c757d;
    transition: color var(--nav-transition-fast);
}

.nav-user-menu .dropdown-item:hover {
    background: rgba(27, 94, 75, 0.08);
    color: #1B5E4B;
}

.nav-user-menu .dropdown-item:hover i {
    color: #1B5E4B;
}

.nav-user-menu .dropdown-item.text-danger:hover {
    background: rgba(238, 90, 36, 0.08);
    color: #ee5a24;
}

.nav-user-menu .dropdown-item.text-danger:hover i {
    color: #ee5a24;
}

.nav-user-menu .dropdown-divider {
    margin: 0.25rem 0;
    opacity: 0.5;
}

/* ============================================
   CART BADGE
   ============================================ */
.nav-cart .cart-badge {
    font-size: 0.7rem;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.3rem;
    font-weight: 600;
    animation: cart-badge-bounce 0.5s ease-out;
}

@keyframes cart-badge-bounce {
    0% {
        transform: translate(-50%, -50%) scale(0);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ============================================
   SEARCH MODAL
   ============================================ */
#searchModal .modal-content {
    background: white;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

#searchModal .input-group {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

#searchModal .input-group-text {
    border: none;
    font-size: 1.1rem;
}

#searchModal .form-control {
    border: none;
    font-size: 1.1rem;
    padding: 1rem 0.5rem;
}

#searchModal .form-control:focus {
    box-shadow: none;
}

#searchModal .btn-primary {
    background: var(--nav-primary-gradient);
    border: none;
    font-weight: 600;
}

#searchModal .badge {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    transition: all var(--nav-transition-fast);
}

#searchModal .badge:hover {
    background: var(--nav-primary-gradient) !important;
    color: white !important;
    transform: translateY(-2px);
}

/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */
@media (max-width: 991.98px) {
    .main-nav {
        min-height: var(--nav-height-mobile);
    }
    
    .main-nav-collapse {
        background: white;
        margin-top: 0.75rem;
        padding: 1rem;
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav-links {
        padding: 0.5rem 0;
        gap: 0.25rem;
    }
    
    .main-nav-link {
        padding: 0.8rem 1rem !important;
        font-size: 1rem;
        border-radius: 12px;
        justify-content: flex-start;
    }
    
    .main-nav-link i {
        font-size: 1.1rem;
        width: 24px;
    }
    
    .nav-actions {
        padding: 1rem 0 0.5rem;
        margin-top: 0.5rem;
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        justify-content: center;
        gap: 1rem;
    }
    
    .nav-action-btn {
        width: 48px;
        height: 48px;
        font-size: 1.3rem;
    }
    
    .brand-text {
        font-size: 1.2rem;
    }
    
    .brand-logo-img {
        height: 38px;
    }
}

/* ============================================
   SMALL MOBILE (< 576px)
   ============================================ */
@media (max-width: 575.98px) {
    .main-nav {
        min-height: 56px;
    }
    
    .main-nav-brand {
        font-size: 1.1rem;
    }
    
    .brand-logo-img {
        height: 36px;
        border-radius: 50%;
    }
    
    .main-nav-toggler {
        width: 40px;
        height: 40px;
    }
    
    .navbar-toggler-icon-custom {
        font-size: 1.35rem;
    }
    
    .main-nav-collapse {
        margin-top: 0.5rem;
        padding: 0.75rem;
        border-radius: 12px;
    }
    
    .nav-action-btn {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    
    #searchModal .modal-dialog {
        margin: 0.5rem;
    }
    
    #searchModal .btn-primary {
        padding: 0.75rem 1rem;
    }
}

/* ============================================
   DARK MODE SUPPORT (Future Enhancement)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Placeholder for dark mode styles */
    /* Can be activated by adding .dark-mode class to body */
}

.dark-mode .main-nav {
    --nav-bg: rgba(33, 37, 41, 0.98);
    --nav-bg-scrolled: rgba(33, 37, 41, 0.95);
    --nav-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    --nav-shadow-scrolled: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.dark-mode .main-nav-brand {
    color: white !important;
}

.dark-mode .navbar-toggler-icon-custom {
    color: white;
}

.dark-mode .main-nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
}

.dark-mode .main-nav-collapse {
    background: #212529;
}

.dark-mode .nav-actions {
    border-left-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .nav-action-btn {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .main-nav,
    .main-nav-brand,
    .main-nav-link,
    .nav-action-btn,
    .brand-icon,
    .nav-link-flash,
    .nav-badge {
        transition: none !important;
        animation: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .main-nav-link {
        border: 2px solid transparent;
    }
    
    .main-nav-link:hover,
    .main-nav-link.active {
        border-color: currentColor;
    }
    
    .nav-action-btn {
        border: 2px solid currentColor;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .main-nav {
        position: static;
        box-shadow: none;
        background: white;
    }
    
    .nav-actions {
        display: none;
    }
    
    .main-nav-toggler {
        display: none;
    }
}