/* =======================================
   RIGHT NAVIGATION SYSTEM - OPTIMIZED CSS
   ======================================= */

/* CSS Custom Properties for Better Performance */
:root {
    --nav-primary-color: #005eff;
    --nav-hover-color: #0046cc;
    --nav-white: #ffffff;
    --nav-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    --nav-shadow-hover: 0 4px 20px rgba(0, 94, 255, 0.3);
    --nav-transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    --nav-border-radius: 8px;
    --chat-red: #005eff;
    --chat-red-hover: #0046cc;
}

/* Main Navigation Container */
.right-nav-container {
    position: fixed;
    top: 25%;
    right: 0;
    transform: translateY(-50%);
    z-index: 990;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--nav-border-radius) 0 0 var(--nav-border-radius);
    box-shadow: var(--nav-shadow);
    padding: 18px 12px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: var(--nav-transition);
    
}

/* Navigation Buttons */
.nav-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--nav-white);
    color: var(--nav-primary-color);
    text-decoration: none;
    border: none;
    box-shadow: var(--nav-shadow);
    transition: var(--nav-transition);
    cursor: pointer;
    font-size: 16px;
    will-change: transform, box-shadow;
}

/* Hover States - Pure CSS */
.nav-btn:hover {
    background-color: var(--nav-primary-color);
    color: var(--nav-white);
    transform: scale(1.1);
    box-shadow: var(--nav-shadow-hover);
}

.nav-btn:active {
    transform: scale(0.95);
}

/* Tooltip Styles */
.nav-tooltip {
    position: absolute;
    right: 52px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background-color: var(--nav-primary-color);
    color: var(--nav-white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    box-shadow: var(--nav-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--nav-transition);
    pointer-events: none;
    z-index: 1000;
}

.nav-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--nav-primary-color);
}

/* Show tooltip on hover */
.nav-btn:hover .nav-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* Language Selector Wrapper */
.language-selector-wrapper {
    position: relative;
}

/* Language Dropdown */
.language-dropdown {
    position: absolute;
    right: 55px;
    top: 0;
    background-color: var(--nav-white);
    box-shadow: var(--nav-shadow);
    border-radius: var(--nav-border-radius);
    width: 220px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--nav-transition);
}

.language-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Dropdown Header */
.dropdown-header {
    background: linear-gradient(135deg, #edf2ff, #d2e3ff);
    padding: 12px;
    font-size: 14px;
    color: var(--nav-primary-color);
    text-align: center;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
}

/* Region Headers */
.region-header {
    background-color: #f8f9ff;
    padding: 8px 12px;
    font-size: 11px;
    color: var(--nav-primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    border-top: 1px solid #e9ecef;
}

/* Language Options */
.lang-option {
    display: block;
    padding: 10px 12px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.lang-option:hover {
    background-color: #f0f6ff;
    color: var(--nav-primary-color);
    padding-left: 16px;
    font-weight: 500;
}

.lang-option.active {
    background-color: #edf2ff;
    color: var(--nav-primary-color);
    font-weight: 600;
    padding-left: 16px;
}

/* Custom Scrollbar */
.language-dropdown::-webkit-scrollbar {
    width: 6px;
}

.language-dropdown::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.language-dropdown::-webkit-scrollbar-thumb {
    background: #c1d3ff;
    border-radius: 10px;
}

.language-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--nav-primary-color);
}

/* Chat Button Specific Styles */
.chat-btn {
    background-color: var(--chat-red) !important;
    color: var(--nav-white) !important;
}

.chat-btn:hover {
    background-color: var(--chat-red-hover) !important;
    color: var(--nav-white) !important;
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--chat-red);
    color: var(--nav-white);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: 2px solid var(--nav-white);
    box-shadow: var(--nav-shadow);
    transition: var(--nav-transition);
}

/* Pulse Animation */
.animate-pulse {
    animation: pulse 2s infinite;
}

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

/* Mobile Toggle Button */
.right-nav-mobile-toggle {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 48px !important;
    height: 48px !important;
    background-color: var(--nav-primary-color) !important;
    color: var(--nav-white) !important;
    border-radius: 50%;
    border: none;
    box-shadow: var(--nav-shadow-hover);
    z-index: 991;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nav-transition);
    font-size: 18px;
}

.right-nav-mobile-toggle:hover {
    background-color: var(--nav-hover-color);
    transform: scale(1.05);
    color: var(--nav-white);
}

/* Chat Container */
.chat-container {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 999;
    display: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    width: 300px;
    height: 400px;
    background: var(--nav-white);
    transition: var(--nav-transition);
}

.chat-container.show {
    display: block;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, var(--nav-primary-color), var(--nav-hover-color));
    color: var(--nav-white);
    padding: 12px 16px;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
    box-sizing: border-box;
}

/* Chat Close Button */
.chat-close {
    background: rgba(255, 255, 255, 0.2);
    color: var(--nav-white);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    transition: var(--nav-transition);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Chat Content */
.chat-content {
    height: calc(100% - 48px);
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Chat Loading State */
.chat-loading {
    padding: 40px 20px;
    text-align: center;
    color: #666;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* Hide Tawk Branding */
.tawk-branding,
.tawk-footer,
.tawk-footer-section,
.tawk-min-container .tawk-brand-wrapper {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    height: 0 !important;
}

/* Animation States */
.nav-item-enter {
    opacity: 0;
    transform: translateX(100px);
}

.nav-item-enter-active {
    opacity: 1;
    transform: translateX(0);
    transition: var(--nav-transition);
}

.nav-item-exit {
    opacity: 1;
    transform: translateX(0);
}

.nav-item-exit-active {
    opacity: 0;
    transform: translateX(100px);
    transition: var(--nav-transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .right-nav-container {
        display: none;
        position: fixed;
        bottom: 80px;
        right: 20px;
        top: auto;
        transform: none;
        flex-direction: row;
        border-radius: 12px;
        padding: 12px;
        gap: 10px;
        background: rgba(255, 255, 255, 0.98);
    }
    
    .right-nav-container.show {
        display: flex;
        animation: mobileSlideIn 0.3s ease-out;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .nav-tooltip {
        bottom: 52px;
        right: 50%;
        top: auto;
        transform: translateX(50%) translateY(10px);
    }
    
    .nav-tooltip::after {
        top: -8px;
        right: 50%;
        transform: translateX(50%);
        border: 6px solid transparent;
        border-bottom-color: var(--nav-primary-color);
        border-left-color: transparent;
    }
    
    .nav-btn:hover .nav-tooltip {
        transform: translateX(50%) translateY(0);
    }
    
    .language-dropdown {
        bottom: 52px;
        right: auto;
        top: auto;
        left: 50%;
        transform: translateX(-50%) translateY(10px);
    }
    
    .language-dropdown.show {
        transform: translateX(-50%) translateY(0);
    }
    
    .chat-container {
        width: calc(100vw - 40px);
        max-width: 350px;
        height: 400px;
        right: 20px;
        left: 20px;
        margin: 0 auto;
    }
}

@keyframes mobileSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Performance Optimizations */
.right-nav-container,
.nav-btn,
.language-dropdown,
.chat-container {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* Reduce Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}