/* =================================================================
   Bottom Navbar Styles
   - Mobile-first design, integrated with the main theme.
   ================================================================= */

/* 1. Main Navbar Container
----------------------------------------------------------------- */
.nb-bottom-nav {
    display: none; /* Hidden by default on desktop */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(65px + env(safe-area-inset-bottom)); /* Adjust height for safe area */
    background-color: var(--card-bg, #FFFBF7);
    border-top: 1px solid var(--border-color, #E8D7C3);
    box-shadow: 0 -2px 15px var(--shadow-color, rgba(166, 124, 82, 0.1));
    z-index: 1000;
    box-sizing: border-box;
    
    /* Add padding for device safe areas (notches, home bars) */
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    padding-bottom: env(safe-area-inset-bottom);
    transition: transform 0.3s ease-in-out; /* Add transition for smooth animation */
}

/* 2. Navigation Items
----------------------------------------------------------------- */
.nb-bottom-nav__items {
    display: flex;
    justify-content: space-around;
    align-items: stretch; /* Stretch items to fill height */
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.nb-bottom-nav__item {
    flex: 1;
    display: flex;
}

/* 3. Navigation Links
----------------------------------------------------------------- */
.nb-bottom-nav__link {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-light, #A1887F);
    padding: 4px 0;
    transition: color 0.3s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.nb-bottom-nav__link i {
    font-size: 22px; /* Icon size adjusted for 6 items */
    margin-bottom: 4px;
    transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.nb-bottom-nav__label {
    font-size: 10px; /* Label size adjusted for 6 items */
    font-weight: 500;
    transition: font-weight 0.2s ease;
}

/* 4. Active & Interaction States
----------------------------------------------------------------- */
.nb-bottom-nav__link.active {
    color: var(--primary, #A67C52);
}

.nb-bottom-nav__link.active i {
    transform: scale(1.1);
}

.nb-bottom-nav__link.active .nb-bottom-nav__label {
    font-weight: 700;
}

.nb-bottom-nav__link:active i {
    transform: scale(0.9);
}

/* 5. Notification Badge
----------------------------------------------------------------- */
.nav-badge {
    position: absolute;
    top: 5px;
    right: 25%;
    transform: translateX(50%);
    background-color: var(--danger, #C87E7E);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 10px;
    line-height: 1;
    border: 2px solid var(--card-bg, #FFFBF7);
}

/* 6. Responsive Visibility (Expanded to tablets)
----------------------------------------------------------------- */
@media (max-width: 991px) { /* Breakpoint changed to 991px to include tablets */
    .nb-bottom-nav {
        display: block; /* Show on mobile and tablets */
    }
    
    /* Add padding to the body to prevent content from being hidden by the navbar */
    body {
        /* Adjust padding based on navbar height + safe area */
        padding-bottom: calc(65px + env(safe-area-inset-bottom));
    }
}

/* Hide bottom nav when chatbot is open by sliding it down */
body.chatbot-is-open .nb-bottom-nav {
    transform: translateY(100%);
}