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

/* Hamburger Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-dark);
    cursor: pointer;
    padding: var(--space-xs);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(20, 20, 19, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
    opacity: 1;
}

/* Mobile Menu Drawer */
.mobile-menu-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-primary);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transition: left var(--transition-base);
    overflow-y: auto;
}

.mobile-menu-drawer.active {
    left: 0;
}

.mobile-menu-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-dark);
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-nav {
    padding: var(--space-lg);
}

.mobile-nav-link {
    display: block;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    color: var(--color-dark);
    text-decoration: none;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link-active {
    background: var(--color-light);
    color: var(--color-orange);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-md) 0;
}

/* Bottom Navigation Bar (Alternative) */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-light);
    box-shadow: 0 -2px 10px rgba(20, 20, 19, 0.1);
    z-index: 100;
}

.bottom-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--space-xs) 0;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-xs) var(--space-md);
    text-decoration: none;
    color: var(--color-mid-gray);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    transition: color var(--transition-fast);
    min-width: 60px;
}

.bottom-nav-item:hover,
.bottom-nav-item-active {
    color: var(--color-orange);
}

.bottom-nav-icon {
    font-size: 20px;
}

/* Touch Targets */
@media (max-width: 768px) {
    /* Ensure minimum 44px touch targets */
    .btn {
        min-height: 44px;
        padding: 12px 24px;
    }
    
    .btn-small {
        min-height: 40px;
        padding: 10px 16px;
    }
    
    .filter-chip {
        min-height: 40px;
        padding: 10px 16px;
    }
    
    .nav-link,
    .mobile-nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    /* Show mobile menu button */
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Hide desktop navigation */
    .main-nav {
        display: none;
    }
    
    /* Show mobile menu elements */
    .mobile-menu-overlay,
    .mobile-menu-drawer {
        display: block;
    }
    
    /* Adjust header for mobile */
    .header-content {
        padding: var(--space-md) var(--space-lg);
    }
    
    .logo-svg {
        height: 32px;
    }
    
    .logo-tagline {
        display: none;
    }
    
    /* Add padding to main content for bottom nav */
    .main-content {
        padding-bottom: 80px;
    }
    
    /* Show bottom navigation (optional - can be toggled) */
    /* .bottom-nav {
        display: block;
    } */
}

@media (max-width: 640px) {
    .mobile-menu-drawer {
        width: 100%;
        left: -100%;
    }
    
    .mobile-menu-drawer.active {
        left: 0;
    }
}