:root {
    --primary: #106fbc;
    --primary-dark: #0d5aa0;
    --secondary: #f47920;
    --accent: #ffcc29;
    --bg-light: #f4f7f6;
    --white: #ffffff;
    --text-main: #2d3436;
    --text-muted: #636e72;
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    padding-bottom: 80px;
    -webkit-font-smoothing: antialiased;
}

/* Premium Header with Glassmorphism */
.sticky-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1050;
    transition: var(--transition);
}

.sticky-header.scrolled {
    padding: 8px 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    text-decoration: none !important;
}

.navbar-logo {
    height: 42px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-text {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--primary);
    letter-spacing: -0.5px;
    line-height: 1;
}

.navbar-brand:hover .navbar-logo {
    transform: scale(1.05);
}

/* Adaptive Search Bar */
.search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.search-bar {
    background: #f1f3f4;
    border: 1.5px solid transparent;
    border-radius: 12px;
    padding: 10px 15px 10px 45px;
    width: 100%;
    transition: var(--transition);
    font-size: 0.95rem;
}

.search-bar:focus {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(16, 111, 188, 0.1);
    outline: none;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Bottom Navigation (Mobile Only) */
.bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--white);
    border-top: 1px solid #eee;
    justify-content: space-around;
    align-items: flex-end; /* Align items to bottom or center, flex-end works with the top offset FAB */
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
    padding-inline: 10px;
}

@media (min-width: 992px) {
    .bottom-nav {
        display: none; /* Hide on desktop */
    }
    
    body {
        padding-bottom: 0;
    }
}

.nav-item {
    text-align: center;
    color: var(--text-muted);
    text-decoration: none !important;
    font-size: 0.7rem;
    font-weight: 600;
    flex: 1;
    transition: var(--transition);
}

.nav-item i {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 4px;
}

.nav-item.active {
    color: var(--primary);
}

/* Premium Card Design */
.ad-card {
    background: var(--white);
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    position: relative;
}

.ad-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.ad-card .card-img-top {
    height: 180px;
    object-fit: cover;
    transition: var(--transition);
}

.ad-card:hover .card-img-top {
    transform: scale(1.05);
}

.ad-card .card-body {
    padding: 15px;
}

.ad-price {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.ad-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.3;
}

/* Desktop Sidebar Suggestion (Optional but good) */
.desktop-header-nav {
    display: none;
}

@media (min-width: 992px) {
    .desktop-header-nav {
        display: flex;
        gap: 25px;
        align-items: center;
    }
    
    .desktop-header-nav a {
        color: var(--text-main);
        font-weight: 600;
        text-decoration: none !important;
        transition: var(--transition);
    }
    
    .desktop-header-nav a:hover {
        color: var(--primary);
    }
    
    .search-wrapper {
        margin: 0 40px;
        max-width: 500px;
    }
}

/* Global FAB Style */
/* Premium FAB inside Bottom Nav */
.floating-add-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), #3a0ca3);
    color: white !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(67, 97, 238, 0.4);
    transition: var(--transition);
    font-size: 1.5rem;
    position: relative;
    top: -20px; /* Floating effect above the navbar */
    z-index: 1060;
    text-decoration: none;
    margin: 0 -10px; /* Tighten space around it */
}

.floating-add-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.5);
}

/* Premium Transitions & Animations */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* Card Mini Slideshow */
.card-slideshow {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.card-slideshow .carousel-item img {
    height: 180px;
    object-fit: cover;
}

.card-slideshow .carousel-control-prev,
.card-slideshow .carousel-control-next {
    width: 30px;
    height: 30px;
    background: rgba(255,255,255,0.8);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: var(--transition);
}

.ad-card:hover .carousel-control-prev,
.ad-card:hover .carousel-control-next {
    opacity: 1;
}

.card-slideshow .carousel-control-prev { left: 10px; }
.card-slideshow .carousel-control-next { right: 10px; }

.card-slideshow .carousel-control-prev-icon,
.card-slideshow .carousel-control-next-icon {
    width: 15px;
    height: 15px;
    filter: invert(1);
}

/* Product Gallery (Single Page) */
.product-gallery {
    border-radius: var(--border-radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.main-image-container {
    height: 450px;
    width: 100%;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.thumbnail-container {
    padding: 15px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
}

.thumbnail-container::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.thumbnail-item {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    flex-shrink: 0;
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-item.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(16, 111, 188, 0.2);
}

/* Category Section Upgrade */
.category-card {
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05) !important;
}

.category-card:hover {
    background: var(--white) !important;
    border-color: var(--primary) !important;
    transform: scale(1.05);
}

.category-card .icon-box {
    transition: var(--transition);
}

.category-card:hover .icon-box {
    transform: rotate(10deg);
}

/* Section Header Polishing */
.section-title {
    position: relative;
    padding-left: 15px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 24px;
    background: var(--primary);
    border-radius: 10px;
}

.search-hero-wrapper {
    max-width: 800px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 10px;
    border-radius: 20px;
}

.hero-section h1 {
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.rotate-15 {
    transform: rotate(15deg);
}

.rotate-3 {
    transform: rotate(3deg);
}

.rotate--3 {
    transform: rotate(-3deg);
}

.icon-circle {
    transition: var(--transition);
}

.icon-circle:hover {
    transform: scale(1.1) rotate(5deg);
}

footer a {
    transition: var(--transition);
}

/* Premium Icon Styles */
.icon-container {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    margin-bottom: 15px;
    font-size: 1.5rem;
    position: relative;
    transition: var(--transition);
    background: white;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.icon-container::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    opacity: 0.1;
    transition: var(--transition);
}

.category-card:hover .icon-container {
    transform: translateY(-5px) rotate(5deg);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* Category Specific Colors */
.bg-marketplace { color: #4361ee; }
.bg-marketplace::after { background: #4361ee; }

.bg-realestate { color: #3a0ca3; }
.bg-realestate::after { background: #3a0ca3; }

.bg-jobs { color: #7209b7; }
.bg-jobs::after { background: #7209b7; }

.bg-electronics { color: #f72585; }
.bg-electronics::after { background: #f72585; }

.bg-vehicles { color: #4cc9f0; }
.bg-vehicles::after { background: #4cc9f0; }

/* Social Media Icon Wrappers */
.social-icon-wrapper {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1f3f4;
    border-radius: 14px;
    color: #4b5563;
    transition: var(--transition);
    text-decoration: none;
    font-size: 1.1rem;
}

.social-icon-wrapper:hover {
    background: var(--primary);
    color: white !important;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(16, 111, 188, 0.2);
}

/* Premium App Download Buttons */
.app-button-premium {
    background: #000;
    color: white;
    padding: 12px 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
}

.app-button-premium:hover {
    background: #222;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    color: white;
}

/* Mobile FAB Adjustment */
@media (min-width: 992px) {
    .floating-add-btn {
        display: none; /* Explicitly hide on desktop extra safety */
    }
}