/* ==========================================================================
   UTHMart Premium Theme v2.0 — Emerald Green & Deep Slate
   A world-class glassmorphism marketplace theme.
   ========================================================================== */

/* ─── CSS Custom Properties ──────────────────────────────────────────── */
:root {
    /* Core Palette */
    --emerald-primary: #10b981;
    --emerald-dark: #059669;
    --emerald-light: #34d399;
    --emerald-glow: rgba(16, 185, 129, 0.4);
    --emerald-subtle: rgba(16, 185, 129, 0.08);
    
    /* Slate Palette */
    --slate-bg: #0f172a;
    --slate-surface: #1e293b;
    --slate-card: #1a2332;
    --slate-text: #cbd5e1;
    --white-text: #f8fafc;
    
    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --primary-light: rgba(16, 185, 129, 0.1);
    --primary-dark: #047857;
    --hero-gradient: radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                     radial-gradient(ellipse at 50% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    --card-shine: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
    
    /* Layout */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 50px;
    --radius: 12px;
    --primary: #10b981;
    --text-dark: #f8fafc;
    --text-muted: #94a3b8;
    --bg-body: #0f172a;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.3);
    --shadow-glow: 0 8px 32px rgba(16, 185, 129, 0.25);
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ─── Reset & Base ─────────────────────────────────────────────────── */
html {
    scroll-behavior: smooth;
}

html, body {
    transition: background-color 0.4s ease, color 0.4s ease;
}

body {
    background-color: var(--slate-bg);
    color: var(--slate-text);
    font-family: var(--font-body);
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--white-text);
    font-weight: 700;
    line-height: 1.3;
}

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

::selection {
    background: var(--emerald-primary);
    color: white;
}

/* ─── Custom Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--slate-bg); }
::-webkit-scrollbar-thumb { background: var(--emerald-dark); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--emerald-primary); }

/* ─── Glass Navbar ─────────────────────────────────────────────────── */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1050;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
    transition: var(--transition-base);
}

.glass-nav .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--emerald-primary) !important;
    letter-spacing: 0.5px;
}

.glass-nav .navbar-brand i {
    filter: drop-shadow(0 0 8px var(--emerald-glow));
}

.glass-nav .nav-link {
    color: var(--slate-text) !important;
    font-weight: 500;
    font-size: 0.92rem;
    padding: 8px 14px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.glass-nav .nav-link:hover {
    color: var(--emerald-primary) !important;
    background: var(--emerald-subtle);
}

/* ─── Main Content ─────────────────────────────────────────────────── */
.main-content {
    min-height: 100vh;
    padding-top: 72px;
}

/* ─── Hero Section ─────────────────────────────────────────────────── */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--hero-gradient);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.03) 0%, transparent 70%);
    animation: heroRotate 30s linear infinite;
    pointer-events: none;
}

@keyframes heroRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ─── Floating Assets ──────────────────────────────────────────────── */
.floating-asset {
    position: absolute;
    pointer-events: none;
    z-index: 1;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
    will-change: transform;
    animation: idleFloat 6s ease-in-out infinite;
}

@keyframes idleFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(2deg); }
}

/* ─── Product Cards ────────────────────────────────────────────────── */
.product-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-bounce);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.product-card:hover::before {
    opacity: 1;
}

.product-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.product-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(15,23,42,0.8), transparent);
    pointer-events: none;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-card .card-body {
    background: rgba(30, 41, 59, 0.7);
    position: relative;
}

.product-card .card-title a { color: #ffffff !important; }
.product-card .text-muted, .product-card small.text-muted { color: #a0aec0 !important; }

/* ─── Glass Cards ──────────────────────────────────────────────────── */
.card-eco {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.card-eco::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--card-shine);
    pointer-events: none;
}

.card-eco:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(16, 185, 129, 0.2);
}

/* ─── Buttons ──────────────────────────────────────────────────────── */
.btn-eco {
    background: var(--primary-gradient);
    color: var(--white-text);
    border: none;
    border-radius: var(--radius-pill);
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-eco::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-eco:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--white-text);
}

.btn-eco:hover::after {
    left: 100%;
}

.btn-eco-outline {
    background: transparent;
    color: var(--emerald-primary);
    border: 2px solid var(--emerald-primary);
    border-radius: var(--radius-pill);
    padding: 10px 26px;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-eco-outline:hover {
    background: var(--emerald-primary);
    color: var(--white-text);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-danger-eco {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: white;
    border: none;
    border-radius: var(--radius-pill);
    padding: 8px 20px;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-danger-eco:hover {
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
}

.btn-adaptive {
    border: 2px solid var(--white-text);
    color: var(--white-text);
    font-weight: 600;
    background: transparent;
    transition: var(--transition-base);
}

.btn-adaptive:hover {
    background: var(--white-text);
    color: var(--slate-bg);
}

/* ─── Forms ────────────────────────────────────────────────────────── */
.form-eco {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.form-eco::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.form-control, .form-select {
    background-color: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--white-text) !important;
    border-radius: var(--radius-md);
    padding: 12px 18px;
    transition: var(--transition-base);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 4px var(--emerald-glow) !important;
    border-color: var(--emerald-primary) !important;
}

.form-control::placeholder { color: #64748b; }

.input-group-text {
    background: rgba(15, 23, 42, 0.8) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--slate-text) !important;
}

/* ─── Status & Category Badges ─────────────────────────────────────── */
.status-badge {
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-badge.available { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.status-badge.sold { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.status-badge.pending { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.status-badge.completed { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }

.category-badge {
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    background: var(--emerald-subtle);
    color: var(--emerald-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    letter-spacing: 0.3px;
}

/* ─── Page Header ──────────────────────────────────────────────────── */
.page-header {
    padding: 3.5rem 0 2.5rem;
    background: var(--hero-gradient);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 2rem;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.2rem;
    letter-spacing: -0.5px;
}

/* ─── Feature Cards (How It Works) ─────────────────────────────────── */
.feature-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-bounce);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(16, 185, 129, 0.3);
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon i {
    filter: drop-shadow(0 0 15px rgba(16, 185, 129, 0.5));
}

/* ─── Chat System ──────────────────────────────────────────────────── */
.glass-chat-wrapper {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    height: 70vh;
    min-height: 500px;
}

.chat-header {
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.7);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.chat-product-img {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.1);
}

.chat-messages {
    flex-grow: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scrollbar-width: thin;
    scrollbar-color: var(--emerald-primary) rgba(0,0,0,0.2);
}

.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }
.chat-messages::-webkit-scrollbar-thumb { background: var(--emerald-primary); border-radius: 10px; }

.chat-container {
    background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.chat-bubble {
    max-width: 75%;
    padding: 12px 18px;
    border-radius: 20px;
    position: relative;
    box-shadow: var(--shadow-sm);
    word-wrap: break-word;
    animation: fadeInBubble 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes fadeInBubble {
    from { opacity: 0; transform: translateY(15px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-bubble.sent {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--emerald-primary), var(--emerald-dark));
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-bubble.received {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: var(--slate-text);
    border-bottom-left-radius: 4px;
}

.chat-time { font-size: 0.65rem; opacity: 0.7; margin-top: 5px; text-align: right; }

.chat-input-area {
    padding: 1.25rem;
    background: rgba(15, 23, 42, 0.7);
    border-top: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.form-eco-textarea {
    background-color: rgba(0, 0, 0, 0.2) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--white-text) !important;
    border-radius: 20px;
    padding: 12px 18px;
    resize: none;
    overflow-y: hidden;
    min-height: 48px;
    max-height: 120px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-eco-textarea:focus {
    box-shadow: 0 0 0 3px var(--emerald-glow) !important;
    border-color: var(--emerald-primary) !important;
    outline: none;
}

.btn-send {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    transition: var(--transition-base);
}

.btn-send:disabled {
    background: #475569;
    color: #94a3b8;
    box-shadow: none;
    transform: none;
    cursor: not-allowed;
}

/* ─── Empty States ─────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state .empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: emptyBounce 2s ease-in-out infinite;
}

@keyframes emptyBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ─── GSAP Animation States ────────────────────────────────────────── */
.reveal-text, .animate-in {
    opacity: 0;
    visibility: hidden;
}

/* ─── Marketplace Background ───────────────────────────────────────── */
.bg-slate-surface {
    background-color: var(--slate-surface);
}

/* ─── Stats Counter (Hero) ─────────────────────────────────────────── */
.stat-card {
    text-align: center;
    padding: 1.5rem 1rem;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    transition: var(--transition-bounce);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.08);
    border-color: rgba(16, 185, 129, 0.3);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ─── Scroll-to-Top Button ─────────────────────────────────────────── */
#scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-size: 1.3rem;
    z-index: 9999;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-bounce);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    display: flex;
    align-items: center;
    justify-content: center;
}

#scrollTopBtn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#scrollTopBtn:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 12px 35px rgba(16, 185, 129, 0.5);
}

/* ─── Toast Notifications ──────────────────────────────────────────── */
.toast-eco {
    background: var(--glass-bg) !important;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    color: var(--white-text) !important;
    min-width: 320px;
}

.toast-eco .toast-header {
    background: transparent !important;
    border-bottom: 1px solid var(--glass-border) !important;
    color: var(--white-text) !important;
}

.toast-eco .toast-body { font-size: 0.95rem; padding: 1rem; }
.toast-eco.toast-success { border-left: 4px solid var(--emerald-primary) !important; }
.toast-eco.toast-error { border-left: 4px solid #ef4444 !important; }

/* ─── Premium Footer ──────────────────────────────────────────────── */
.site-footer {
    background: linear-gradient(180deg, var(--slate-surface) 0%, var(--slate-bg) 100%);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 0;
    margin-top: 4rem;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 10px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0.5rem;
}

.footer-brand .brand-icon { font-size: 1.5rem; }

.footer-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white-text);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.8rem;
}

.footer-tagline {
    color: var(--slate-text);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li { margin-bottom: 0.6rem; }

.footer-links a {
    color: var(--slate-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: '';
    width: 0;
    height: 2px;
    background: var(--emerald-primary);
    transition: width 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--emerald-primary);
    transform: translateX(5px);
}

.footer-links a:hover::before { width: 12px; }

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--slate-text);
    font-size: 1rem;
    transition: var(--transition-bounce);
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--emerald-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    border-color: var(--emerald-primary);
}

.footer-bottom {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-copyright {
    color: #64748b;
    font-size: 0.85rem;
    margin: 0;
}

/* ─── Conversation Items (Inbox) ───────────────────────────────────── */
.conversation-item {
    transition: var(--transition-base);
    border-radius: var(--radius-md);
}

.conversation-item:hover {
    background: var(--emerald-subtle);
}

/* ─── Pulse Animation ──────────────────────────────────────────────── */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--emerald-primary);
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

/* ==========================================================================
   LIGHT MODE OVERRIDES
   ========================================================================== */
[data-theme="light"] {
    --slate-bg: #f8fafc;
    --slate-surface: #ffffff;
    --slate-card: #ffffff;
    --slate-text: #334155;
    --white-text: #0f172a;
    --bg-body: #f8fafc;
    --text-dark: #0f172a;
    --text-muted: #64748b;

    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-highlight: rgba(0, 0, 0, 0.02);
    --card-shine: linear-gradient(135deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0) 50%);

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
}

[data-theme="light"] .glass-nav {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

[data-theme="light"] .glass-nav .nav-link,
[data-theme="light"] .glass-nav .navbar-toggler,
[data-theme="light"] #themeToggleBtn {
    color: #334155 !important;
}

[data-theme="light"] .search-input-eco {
    color: #334155 !important;
    border-color: rgba(0,0,0,0.15) !important;
}

[data-theme="light"] .search-input-eco::placeholder { color: #64748b !important; }

[data-theme="light"] .btn-outline-secondary {
    color: #334155 !important;
    border-color: rgba(0,0,0,0.15) !important;
}

[data-theme="light"] .eco-dropdown {
    background: #ffffff !important;
    border-color: rgba(0,0,0,0.1) !important;
}

[data-theme="light"] .eco-dropdown .dropdown-item { color: #334155 !important; }

[data-theme="light"] .eco-dropdown .dropdown-item:hover {
    background: rgba(16, 185, 129, 0.1) !important;
    color: var(--emerald-primary) !important;
}

[data-theme="light"] .eco-dropdown .dropdown-divider { border-color: rgba(0,0,0,0.1) !important; }

[data-theme="light"] .form-control,
[data-theme="light"] .form-select,
[data-theme="light"] .form-eco-textarea {
    background-color: #ffffff !important;
    color: #334155 !important;
    border-color: rgba(0,0,0,0.12) !important;
}

[data-theme="light"] .input-group-text {
    background: #f1f5f9 !important;
    color: #64748b !important;
    border-color: rgba(0,0,0,0.12) !important;
}

[data-theme="light"] .product-card .card-title a { color: #0f172a !important; }
[data-theme="light"] .product-card .card-body { background: rgba(255, 255, 255, 0.85); }

[data-theme="light"] .text-white,
[data-theme="light"] h1, [data-theme="light"] h2, [data-theme="light"] h3,
[data-theme="light"] h4, [data-theme="light"] h5 {
    color: #0f172a !important;
}

[data-theme="light"] .text-white-50 { color: #64748b !important; }

[data-theme="light"] .chat-bubble.received {
    background: #f1f5f9;
    color: #334155;
    border: 1px solid rgba(0,0,0,0.05);
}

[data-theme="light"] .bg-slate-surface { background-color: #f1f5f9; }

[data-theme="light"] .hero-section {
    background: radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
}

[data-theme="light"] .category-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald-dark);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="light"] .stat-card { background: rgba(0,0,0,0.03); border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .stat-label { color: #64748b; }

[data-theme="light"] .site-footer {
    background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
}

[data-theme="light"] .footer-social a {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.1);
    color: #475569;
}

[data-theme="light"] #scrollTopBtn { box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3); }

[data-theme="light"] .toast-eco {
    background: rgba(255,255,255,0.95) !important;
    border-color: rgba(0,0,0,0.1) !important;
    color: #334155 !important;
}

[data-theme="light"] .toast-eco .toast-header {
    color: #334155 !important;
    border-bottom-color: rgba(0,0,0,0.05) !important;
}

[data-theme="light"] .product-img::after {
    background: linear-gradient(to top, rgba(255,255,255,0.5), transparent);
}

/* ─── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .hero-section { min-height: 80vh; padding-top: 100px; }
    .hero-section h1 { font-size: 2.5rem !important; }
    .stat-number { font-size: 1.8rem; }
    .floating-asset { display: none !important; }
}

@media (max-width: 767.98px) {
    .hero-section h1 { font-size: 2rem !important; }
    .hero-section .lead { font-size: 1rem !important; }
    .form-eco { padding: 1.5rem; }
    .page-header { padding: 2.5rem 0 1.5rem; }
    .page-header h1 { font-size: 1.6rem; }
    .site-footer { padding: 3rem 0 0; }
    .stat-card { padding: 1rem 0.5rem; }
    .stat-number { font-size: 1.5rem; }
    #scrollTopBtn { width: 44px; height: 44px; bottom: 20px; right: 20px; font-size: 1.1rem; }
}