/* ===== IOS STYLE BOTTOM NAVIGATION - OPTIMIZED ===== */
.bottom-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(234, 225, 212, 0.95);
    backdrop-filter: blur(20px);
    border-top: 0.5px solid var(--color-border, rgba(0, 0, 0, 0.1));
    z-index: 9999;
    padding: 8px 0;
    transition: var(--ios-transition, all 0.3s ease);
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 20px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: var(--ios-border-radius-large, 12px);
    text-decoration: none;
    transition: var(--ios-transition, all 0.3s ease);
    flex: 1;
    max-width: 80px;
    cursor: pointer;
    background: transparent;
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary, #666);
    transition: var(--ios-transition, all 0.3s ease);
}

.nav-icon i {
    width: 20px;
    height: 20px;
    transition: var(--ios-transition, all 0.3s ease);
}

.nav-label {
    font-size: var(--ios-font-size-caption2, 11px);
    font-weight: 500;
    color: var(--color-text-tertiary, #666);
    transition: var(--ios-transition, all 0.3s ease);
}

/* ===== ACTIVE STATE ===== */
.nav-item.active {
    background: rgba(0, 153, 153, 0.1);
    box-shadow: 0 2px 8px rgba(0, 153, 153, 0.15);
}

.nav-item.active .nav-icon {
    color: var(--color-accent-teal, #009999);
    filter: drop-shadow(0 2px 4px rgba(0, 153, 153, 0.3));
}

.nav-item.active .nav-label {
    color: var(--color-accent-teal, #009999);
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 153, 153, 0.2);
}

/* ===== INTERACTION STATES ===== */
.nav-item:not(.active):hover {
    background: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.nav-item:not(.active):hover .nav-icon,
.nav-item:not(.active):hover .nav-label {
    color: var(--color-text-secondary, #333);
}

.nav-item:active {
    transform: scale(0.95);
    transition: var(--ios-transition-fast, all 0.15s ease);
}

.nav-item:active .nav-icon {
    transform: scale(0.9);
}

/* ===== DARK MODE ===== */
.dark-mode .bottom-navigation {
    background: rgba(30, 30, 30, 0.9);
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.3);
}

.dark-mode .nav-item.active {
    background: rgba(0, 204, 204, 0.15);
    box-shadow: 0 2px 8px rgba(0, 204, 204, 0.2);
}

.dark-mode .nav-item.active .nav-icon {
    filter: drop-shadow(0 2px 4px rgba(0, 204, 204, 0.4));
}

.dark-mode .nav-item.active .nav-label {
    text-shadow: 0 1px 2px rgba(0, 204, 204, 0.3);
}

.dark-mode .nav-item:not(.active):hover {
    background: var(--color-bg-elevated, rgba(50, 50, 50, 0.8));
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

/* ===== ACCESSIBILITY ===== */
.nav-item:focus {
    outline: 2px solid var(--color-accent-teal, #009999);
    outline-offset: 2px;
}

.nav-item:focus:not(:focus-visible) {
    outline: none;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 10px;
    }
    
    .nav-item {
        padding: 8px;
        max-width: 70px;
    }
    
    .nav-label {
        font-size: 10px;
    }
    
    .nav-icon {
        width: 22px;
        height: 22px;
    }
    
    .nav-icon i {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .bottom-navigation {
        padding: 6px 0;
    }
    
    .nav-container {
        padding: 0 8px;
    }
    
    .nav-item {
        padding: 6px 4px;
        max-width: 60px;
        gap: 2px;
    }
    
    .nav-label {
        font-size: 9px;
        line-height: 1.1;
    }
    
    .nav-icon {
        width: 20px;
        height: 20px;
    }
    
    .nav-icon i {
        width: 16px;
        height: 16px;
    }
}

/* ===== SAFARI & LARGE SCREENS ===== */
@supports (-webkit-touch-callout: none) {
    .bottom-navigation {
        padding-bottom: max(8px, env(safe-area-inset-bottom));
    }
}

@media (min-width: 1024px) {
    .nav-container {
        max-width: 600px;
    }
    
    .nav-item {
        max-width: 100px;
        padding: 10px 16px;
    }
    
    .nav-label {
        font-size: var(--ios-font-size-caption1, 12px);
    }
}

/**
 * Navigation Styles - Separated from PHP
 */

/* Bottom Navigation Container */
.bottom-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    z-index: 1000;
    padding: 8px 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.dark-mode .bottom-navigation {
    background: rgba(46, 46, 46, 0.95);
    border-top-color: #404040;
}

.nav-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 0 10px;
}

/* Navigation Items */
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--color-text-primary);
    opacity: 0.7;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-width: 60px;
}

.nav-item:hover {
    opacity: 1;
    transform: translateY(-2px);
    background: rgba(0, 0, 0, 0.03);
}

.dark-mode .nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    opacity: 1;
    color: var(--color-accent-teal);
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(0, 153, 153, 0.1) 0%, rgba(0, 153, 153, 0.05) 100%);
}

.dark-mode .nav-item.active {
    background: linear-gradient(135deg, rgba(0, 153, 153, 0.2) 0%, rgba(0, 153, 153, 0.1) 100%);
    color: #00CCCC;
}

/* Navigation Icons */
.nav-icon {
    font-size: 22px;
    margin-bottom: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.nav-icon i {
    width: 100%;
    height: 100%;
}

.nav-item.active .nav-icon {
    transform: scale(1.1);
}

/* Navigation Labels */
.nav-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

/* Vendor Features */
.nav-item.vendor-feature {
    position: relative;
    background: linear-gradient(135deg, rgba(0, 153, 153, 0.1) 0%, rgba(0, 153, 153, 0.05) 100%);
    border: 1px solid rgba(0, 153, 153, 0.2);
}

.dark-mode .nav-item.vendor-feature {
    background: linear-gradient(135deg, rgba(0, 153, 153, 0.2) 0%, rgba(0, 153, 153, 0.1) 100%);
    border-color: rgba(0, 153, 153, 0.3);
}

.nav-item.vendor-feature.active {
    background: linear-gradient(135deg, var(--color-accent-teal) 0%, #008080 100%);
    color: white;
    border-color: var(--color-accent-teal);
}

.dark-mode .nav-item.vendor-feature.active {
    background: linear-gradient(135deg, #00CCCC 0%, #009999 100%);
}

.vendor-badge {
    position: absolute;
    top: -2px;
    right: 8px;
    background: var(--color-accent-teal);
    color: white;
    border-radius: 8px;
    padding: 1px 4px;
    font-size: 8px;
    font-weight: 600;
    line-height: 1;
}

/* Loading States */
.nav-loading {
    opacity: 0.7;
    pointer-events: none;
}

.nav-loading .nav-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: navSpin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes navSpin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Pulse Animation */
.nav-pulse {
    animation: navPulse 0.6s ease-in-out;
}

@keyframes navPulse {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-4px) scale(1.05); }
    100% { transform: translateY(0) scale(1); }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 5px;
    }
    
    .nav-item {
        padding: 6px 10px;
        min-width: 56px;
    }
    
    .nav-icon {
        font-size: 20px;
    }
    
    .nav-label {
        font-size: 10px;
    }
    
    .vendor-badge {
        top: -1px;
        right: 6px;
        font-size: 7px;
        padding: 1px 3px;
    }
}

@media (max-width: 480px) {
    .nav-label {
        display: none;
    }
    
    .nav-item {
        padding: 10px;
        min-width: 50px;
    }
    
    .nav-icon {
        margin-bottom: 0;
        font-size: 22px;
    }
}

/* Tablet and Desktop */
@media (min-width: 769px) {
    .bottom-navigation {
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: auto;
        max-width: 400px;
        border-radius: 20px;
        border: 1px solid var(--color-border);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-container {
        padding: 0 20px;
    }
}

/* Accessibility */
.nav-item:focus-visible {
    outline: 2px solid var(--color-accent-teal);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .nav-item,
    .nav-item:hover,
    .nav-item.active,
    .nav-loading .nav-icon::after {
        transition: none;
        animation: none;
    }
    
    .nav-pulse {
        animation: none;
    }
}