.status-badge {
    display: inline-block;
    margin-bottom: 8px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
}
/* ZeroBin - AI-Powered Waste Management Platform Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(76, 175, 80, 0.12), transparent 60%),
        radial-gradient(1200px 600px at 110% 10%, rgba(45, 125, 50, 0.10), transparent 60%),
        #f7fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: rgba(13, 64, 19, 0.75);
    backdrop-filter: saturate(140%) blur(8px);
    -webkit-backdrop-filter: saturate(140%) blur(8px);
    color: white;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Modern nav */
.nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    color: rgba(255,255,255,0.95);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 600;
    transition: background 0.25s ease, color 0.25s ease, transform 0.18s ease;
}

.nav-link:hover {
    background: rgba(255,255,255,0.12);
}

.nav-link.active {
    background: rgba(255,255,255,0.18);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.22);
}

.logo a {
    font-size: 28px;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-bar {
    flex: 1;
    min-width: 300px;
}

.search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-input, .location-input, .category-select, .condition-select {
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    font-size: 14px;
    background: rgba(255,255,255,0.9);
    color: #2d3748;
}

.search-input {
    flex: 2;
    min-width: 200px;
}

.category-select, .condition-select {
    flex: 1;
    min-width: 120px;
}

.location-input {
    flex: 1;
    min-width: 150px;
}

.search-btn {
    padding: 12px 24px;
    background: #1b5e20;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #0d4013;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Button Styles */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, #2d7d32, #4caf50);
    color: white;
    box-shadow: 0 10px 20px rgba(45, 125, 50, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(45, 125, 50, 0.28);
}

.btn-secondary {
    background: #e2e8f0;
    color: #1f2937;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background: #e5eef6;
}

.btn-outline {
    background: transparent;
    color: #2d5a27;
    border: 2px solid #2d5a27;
}

.btn-outline:hover {
    background: #2d5a27;
    color: #fff;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
}

/* Hero Section */
.hero {
    position: relative;
    background: radial-gradient(1000px 500px at 20% 0%, rgba(104, 211, 145, 0.20), transparent 60%),
                radial-gradient(800px 400px at 80% 0%, rgba(76, 175, 80, 0.20), transparent 60%),
                linear-gradient(135deg, #1c3b2a 0%, #2d7d32 40%, #4caf50 100%);
    color: white;
    padding: 96px 0 88px;
    min-height: 420px;
    text-align: center;
}

/* Hero decorative image (no HTML change) */
.hero::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 42%;
    background: linear-gradient(180deg, rgba(0,0,0,0.12), rgba(0,0,0,0.12)), url('../images/placeholder.jpg') center/cover no-repeat;
    filter: saturate(105%) contrast(102%);
    box-shadow: -8px 0 30px rgba(0,0,0,0.15) inset;
}

.hero .container { position: relative; z-index: 1; }

@media (max-width: 640px) {
    .hero::after { display: none; }
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 36px;
    opacity: 0.9;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 14px;
    padding: 14px 18px;
    min-width: 160px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.stat-number {
    display: block;
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #ffffff, #d1fae5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 12px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-large {
    padding: 18px 28px;
    font-size: 17px;
    border-radius: 12px;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2d3748;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: #f7fafc;
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
}

.step-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2d3748;
}

.step p {
    color: #718096;
    line-height: 1.6;
}

/* Categories Section */
.categories-section {
    padding: 80px 0;
    background: #f7fafc;
}

.categories-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2d3748;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.category-card a {
    text-decoration: none;
    color: inherit;
}

.category-icon {
    font-size: 40px;
    margin-bottom: 15px;
    position: relative;
}

.unicode-fallback {
    display: none;
    font-size: 40px;
}

/* Show Unicode fallback when FontAwesome is not working */
.category-icon.no-fontawesome .unicode-fallback {
    display: block;
}

.category-icon.no-fontawesome i {
    display: none;
}

.category-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #2d3748;
}

.category-card p {
    color: #4caf50;
    font-weight: 600;
    font-size: 14px;
}

/* Category Header */
.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
}

.category-icon-large {
    font-size: 48px;
    color: #2d5a27;
    background: rgba(45, 90, 39, 0.1);
    padding: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
}

.category-info h1 {
    margin: 0 0 10px 0;
    color: #2d3748;
}

.category-info p {
    margin: 0;
    color: #718096;
    font-size: 16px;
}

/* Featured Items Section */
.featured-items {
    padding: 80px 0;
    background: white;
}

.featured-items h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2d3748;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.item-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid #e2e8f0;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.item-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    width: 100%;
}

.item-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-condition {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.item-condition.usable {
    background: #4caf50;
    color: white;
}

.item-condition.broken {
    background: #ff9800;
    color: white;
}

.item-condition.unknown {
    background: #9e9e9e;
    color: white;
}

.ai-decision {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.credits-donor {
    background: #4caf50;
    color: white;
}

.credits-collector {
    background: #ff9800;
    color: white;
}

.credits-pending {
    background: #9e9e9e;
    color: white;
}

.item-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.item-content h3 {
    margin-bottom: 8px;
    font-size: 18px;
}

.item-content h3 a {
    color: #2d3748;
    text-decoration: none;
}

.item-content h3 a:hover {
    color: #4caf50;
}

.item-category {
    color: #4caf50;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.item-location {
    color: #718096;
    font-size: 14px;
    margin-bottom: 5px;
}

.item-date {
    color: #a0aec0;
    font-size: 12px;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: #f7fafc;
}

.benefits h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #2d3748;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.benefit h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2d3748;
}

.benefit p {
    color: #718096;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #4caf50;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 20px;
    text-align: center;
    color: #a0aec0;
}

/* Form Styles */
.form-container {
    max-width: 800px;
    margin: 40px auto;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.form-container h1 {
    margin-bottom: 10px;
    color: #2d3748;
    font-size: 32px;
}

.form-container p {
    margin-bottom: 30px;
    color: #718096;
    font-size: 16px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2d5a27 0%, #4a7c59 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 40px 0;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #68d391;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Search Section */
.search-section {
    background: #f7fafc;
    padding: 60px 0;
}

.search-container {
    text-align: center;
}

.search-container h2 {
    margin-bottom: 30px;
    color: #2d3748;
}

.search-form {
    max-width: 800px;
    margin: 0 auto;
}

.search-input-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.search-input, .search-select {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
}

.search-btn {
    background: #2d5a27;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.search-btn:hover {
    background: #1a3d1a;
}

/* Categories Section */
.categories-section {
    padding: 80px 0;
}

.categories-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #2d3748;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.category-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.category-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.category-card h3 {
    margin-bottom: 10px;
    color: #2d3748;
}

.category-card p {
    color: #718096;
    font-size: 14px;
}

/* Featured Section */
.featured-section {
    padding: 80px 0;
    background: #f7fafc;
}

.featured-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #2d3748;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.item-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.item-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.no-image {
    width: 100%;
    height: 100%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
    font-size: 48px;
}

.item-status {
    position: absolute;
    top: 12px !important;
    left: 12px !important;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .3px;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    pointer-events: none;
}

.status-available {
    background: #68d391;
    color: white;
}

.status-reserved {
    background: #f6ad55;
    color: white;
}

.status-collected {
    background: #4a5568;
    color: white;
}

/* Support ads table statuses used by backend */
.status-active { background: #68d391; color: #fff; }
.status-inactive { background: #f6ad55; color: #fff; }
.status-sold { background: #63b3ed; color: #fff; }
.status-deleted { background: #fc8181; color: #fff; }

.item-content {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.item-content h3 {
    margin-bottom: 6px;
    color: #2d3748;
    font-size: 18px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-category,
.item-location {
    color: #718096;
    font-size: 14px;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.item-credits {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
    margin-bottom: 10px;
}

.credits-amount {
    font-weight: 700;
    color: #2d5a27;
    font-size: 14px;
    background: #edf7ef;
    border: 1px solid #cbe6cf;
    padding: 4px 10px;
    border-radius: 999px;
}

.ai-decision {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.decision-donor_credits {
    background: #bee3f8;
    color: #2b6cb0;
}

.decision-collector_credits {
    background: #fbb6ce;
    color: #b83280;
}

.item-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #2d5a27;
    color: white;
}

.btn-primary:hover {
    background: #1a3d1a;
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-outline {
    background: transparent;
    border: 2px solid #2d5a27;
    color: #2d5a27;
}

.btn-outline:hover {
    background: #2d5a27;
    color: white;
}

.section-footer {
    text-align: center;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #2d3748;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: #2d5a27;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 15px;
    color: #2d3748;
}

.step p {
    color: #718096;
    line-height: 1.6;
}

/* Partners Section */
.partners-section {
    padding: 80px 0;
    background: #f7fafc;
}

.partners-section h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2d3748;
}

.partners-section p {
    text-align: center;
    color: #718096;
    margin-bottom: 50px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.partner-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.partner-card h3 {
    margin-bottom: 10px;
    color: #2d3748;
}

.partner-card p {
    color: #718096;
    margin-bottom: 15px;
}

.credit-rate {
    font-weight: 600;
    color: #2d5a27;
}

/* Page Header */
.page-header {
    background: #2d5a27;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* Filters */
.filters-section {
    background: white;
    padding: 40px 0;
    border-bottom: 1px solid #e2e8f0;
}

.filters-form {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: end;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 16px;
}

/* Results */
.results-section {
    padding: 40px 0;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.results-header h2 {
    color: #2d3748;
}

.view-options {
    display: flex;
    gap: 10px;
}

.view-btn {
    padding: 10px;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.view-btn.active {
    background: #2d5a27;
    color: white;
    border-color: #2d5a27;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: #718096;
}

.no-results i {
    font-size: 64px;
    margin-bottom: 20px;
    color: #a0aec0;
}

.no-results h3 {
    margin-bottom: 10px;
    color: #2d3748;
}

/* Item Details */
.breadcrumb {
    background: #f7fafc;
    padding: 20px 0;
    border-bottom: 1px solid #e2e8f0;
}

.breadcrumb-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

.breadcrumb-nav a {
    color: #2d5a27;
    text-decoration: none;
}

.breadcrumb-nav span {
    color: #718096;
}

.item-details {
    padding: 40px 0;
}

.item-details-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.item-gallery {
    position: sticky;
    top: 20px;
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.no-image-large {
    width: 100%;
    height: 400px;
    background: #e2e8f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #a0aec0;
}

.no-image-large i {
    font-size: 64px;
    margin-bottom: 20px;
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 20px;
}

.item-header h1 {
    color: #2d3748;
    margin: 0;
}

.item-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #718096;
}

.meta-item i {
    color: #2d5a27;
}

.item-description,
.item-ai-analysis,
.item-credits {
    margin-bottom: 30px;
}

.item-description h3,
.item-ai-analysis h3,
.item-credits h3 {
    margin-bottom: 15px;
    color: #2d3748;
}

.ai-info {
    background: #f7fafc;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #2d5a27;
}

.ai-decision {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.confidence {
    font-size: 14px;
    color: #718096;
}

.ai-reasoning {
    color: #4a5568;
    font-style: italic;
}

.credits-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.credits-amount {
    font-size: 24px;
    font-weight: 700;
    color: #2d5a27;
}

.credits-label {
    color: #718096;
}

.item-actions {
    display: flex;
    gap: 15px;
}

/* Request Form */
.request-form-container {
    margin-top: 30px;
    padding: 30px;
    background: #f7fafc;
    border-radius: 12px;
}

.request-form h3 {
    margin-bottom: 20px;
    color: #2d3748;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
}

.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 16px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 15px;
}

/* Similar Items */
.similar-items {
    padding: 60px 0;
    background: #f7fafc;
}

.similar-items h2 {
    margin-bottom: 40px;
    color: #2d3748;
}

/* Dashboard Styles */
.dashboard-header {
    background: #2d5a27;
    color: white;
    padding: 60px 0;
}

.dashboard-welcome h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.dashboard-welcome p {
    font-size: 18px;
    opacity: 0.9;
}

.stats-overview {
    padding: 60px 0;
    background: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: #2d5a27;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-content h3 {
    font-size: 32px;
    margin-bottom: 5px;
    color: #2d3748;
}

.stat-content p {
    color: #718096;
    margin: 0;
}

.dashboard-content {
    padding: 60px 0;
    background: #f7fafc;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.dashboard-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e2e8f0;
}

.section-header h2 {
    color: #2d3748;
    margin: 0;
}

.items-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.item-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #f7fafc;
    border-radius: 8px;
}

.item-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
}

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

.no-image-small {
    width: 100%;
    height: 100%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
}

.item-info {
    flex: 1;
}

.item-info h3 {
    margin-bottom: 5px;
    color: #2d3748;
}

.item-category {
    color: #718096;
    font-size: 14px;
    margin-bottom: 10px;
}

.item-meta {
    display: flex;
    gap: 15px;
}

.status {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.credits {
    color: #2d5a27;
    font-weight: 600;
}

.item-actions {
    display: flex;
    gap: 10px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #718096;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 20px;
    color: #a0aec0;
}

.requests-list,
.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.request-row,
.transaction-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
}

.request-info h4,
.transaction-info h4 {
    margin-bottom: 5px;
    color: #2d3748;
}

.request-info p,
.transaction-info p {
    color: #718096;
    font-size: 14px;
    margin: 0;
}

.request-status {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-pending {
    background: #f6ad55;
    color: white;
}

.status-accepted {
    background: #68d391;
    color: white;
}

.status-rejected {
    background: #fc8181;
    color: white;
}

.transaction-amount {
    font-weight: 600;
}

.transaction-amount.positive {
    color: #38a169;
}

.transaction-amount.negative {
    color: #e53e3e;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.action-card {
    background: #f7fafc;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.action-card:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}

.action-card i {
    font-size: 32px;
    color: #2d5a27;
    margin-bottom: 15px;
}

.action-card h3 {
    margin-bottom: 10px;
    color: #2d3748;
}

.action-card p {
    color: #718096;
    font-size: 14px;
    margin: 0;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #f0fff4;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}

/* Profile Page Styles */
.profile-content {
    padding: 60px 0;
    background: #f7fafc;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

/* Messaging Section */
.messaging-section {
    background: linear-gradient(135deg, #2d5a27 0%, #4a7c59 100%);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    color: white;
    box-shadow: 0 8px 25px rgba(45, 90, 39, 0.3);
}

.messaging-header {
    text-align: center;
    margin-bottom: 30px;
}

.messaging-header h2 {
    color: white;
    margin-bottom: 10px;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.messaging-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    margin: 0;
}

.messaging-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.messaging-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.messaging-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.messaging-btn.primary {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.messaging-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.messaging-btn i {
    font-size: 32px;
    color: white;
    flex-shrink: 0;
}

.btn-content h3 {
    margin: 0 0 5px 0;
    font-size: 18px;
    font-weight: 600;
}

.btn-content p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

.messaging-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.message-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.message-stat i {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
}

.stats-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 15px;
}

.stats-card .stat-icon {
    width: 50px;
    height: 50px;
    background: #2d5a27;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stats-card .stat-content h3 {
    font-size: 24px;
    margin-bottom: 5px;
    color: #2d3748;
}

.stats-card .stat-content p {
    color: #718096;
    margin: 0;
    font-size: 14px;
}

.profile-form-container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.profile-form-container h2 {
    margin-bottom: 30px;
    color: #2d3748;
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.recent-activity,
.credit-history {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.recent-activity h2,
.credit-history h2 {
    margin-bottom: 20px;
    color: #2d3748;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
}

.activity-item .item-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
}

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

.no-image-small {
    width: 100%;
    height: 100%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0aec0;
}

.activity-item .item-info {
    flex: 1;
}

.activity-item .item-info h4 {
    margin-bottom: 5px;
    color: #2d3748;
}

.activity-item .item-info p {
    color: #718096;
    font-size: 14px;
    margin-bottom: 5px;
}

.activity-item .item-credits {
    color: #2d5a27;
    font-weight: 600;
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
}

.transaction-item .transaction-info h4 {
    margin-bottom: 5px;
    color: #2d3748;
}

.transaction-item .transaction-info p {
    color: #718096;
    font-size: 14px;
    margin: 0;
}

.transaction-item .transaction-amount {
    font-weight: 600;
}

.transaction-item .transaction-amount.positive {
    color: #38a169;
}

.transaction-item .transaction-amount.negative {
    color: #e53e3e;
}

/* Auth Section */
.auth-section {
    padding: 80px 0;
    background: #f7fafc;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

/* Form Section */
.form-section {
    padding: 60px 0;
    background: #f7fafc;
}

.item-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.current-image {
    margin-top: 15px;
}

.current-image p {
    margin-bottom: 10px;
    color: #718096;
    font-size: 14px;
}

/* Messages Styles */
.messages-content {
    padding: 40px 0;
    background: #f7fafc;
    min-height: 70vh;
}

.messages-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    height: 600px;
}

.conversations-sidebar {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    overflow-y: auto;
}

.conversations-sidebar h3 {
    margin-bottom: 20px;
    color: #2d3748;
    padding-bottom: 15px;
    border-bottom: 2px solid #e2e8f0;
}

.conversations-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.conversation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.conversation-item:hover {
    background: #e2e8f0;
}

.conversation-item.active {
    background: #2d5a27;
    color: white;
}

.conversation-info h4 {
    margin-bottom: 5px;
    color: inherit;
}

.conversation-info p {
    font-size: 14px;
    margin-bottom: 5px;
    opacity: 0.8;
}

.conversation-time {
    font-size: 12px;
    opacity: 0.6;
}

.unread-badge {
    background: #e53e3e;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.chat-area {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 20px;
    border-bottom: 2px solid #e2e8f0;
}

.chat-header h3 {
    margin-bottom: 5px;
    color: #2d3748;
}

.chat-header p {
    color: #718096;
    font-size: 14px;
}

.messages-list {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    display: flex;
    margin-bottom: 15px;
}

.message.sent {
    justify-content: flex-end;
}

.message.received {
    justify-content: flex-start;
}

.message-content {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
}

.message.sent .message-content {
    background: #2d5a27;
    color: white;
    border-bottom-right-radius: 4px;
}

.message.received .message-content {
    background: #e2e8f0;
    color: #2d3748;
    border-bottom-left-radius: 4px;
}

.message-content p {
    margin: 0 0 5px 0;
    line-height: 1.4;
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
}

.message-form {
    padding: 20px;
    border-top: 2px solid #e2e8f0;
}

.send-message-form {
    display: flex;
    gap: 10px;
}

.message-input-group {
    display: flex;
    gap: 10px;
    flex: 1;
}

.message-input-group textarea {
    flex: 1;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    resize: none;
    font-family: inherit;
    font-size: 14px;
}

.message-input-group textarea:focus {
    outline: none;
    border-color: #2d5a27;
}

.message-input-group button {
    padding: 12px 20px;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.no-conversation {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #718096;
    text-align: center;
}

.no-conversation i {
    font-size: 48px;
    margin-bottom: 20px;
    color: #a0aec0;
}

.no-conversation h3 {
    margin-bottom: 10px;
    color: #2d3748;
}

/* Navigation Badge */
.messages-nav {
    position: relative;
}

.nav-badge {
    background: #e53e3e;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    margin-left: 5px;
    position: absolute;
    top: -5px;
    right: -5px;
}

/* Investor Landing Page Styles */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 50px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-badge i {
    font-size: 18px;
}

.highlight {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.value-props {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.value-prop {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    padding: 12px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.value-prop i {
    font-size: 16px;
}

/* Problem & Solution Section */
.problem-solution {
    padding: 80px 0;
    background: #f8fafc;
}

.ps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.problem-section h2,
.solution-section h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #2d3748;
}

.problem-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.problem-stat {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.problem-stat i {
    font-size: 32px;
    color: #e53e3e;
    margin-bottom: 15px;
}

.problem-stat h3 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #2d3748;
}

.problem-stat p {
    color: #718096;
    margin: 0;
}

.problem-list {
    list-style: none;
    padding: 0;
}

.problem-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    font-size: 1.1rem;
    color: #4a5568;
}

.problem-list i {
    color: #e53e3e;
    font-size: 18px;
}

.solution-flow {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 15px;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    flex: 1;
    min-width: 200px;
}

.step-number {
    background: #2d5a27;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 5px;
    color: #2d3748;
}

.step-content p {
    margin: 0;
    color: #718096;
    font-size: 14px;
}

.flow-arrow {
    font-size: 24px;
    color: #2d5a27;
    font-weight: bold;
}

.solution-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f0fff4;
    border-radius: 8px;
    border-left: 4px solid #4CAF50;
}

.benefit i {
    color: #4CAF50;
    font-size: 18px;
}

/* Market Opportunity Section */
.market-opportunity {
    padding: 80px 0;
    background: white;
}

.market-opportunity h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #2d3748;
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.market-card {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #2d5a27 0%, #4a7c59 100%);
    color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(45, 90, 39, 0.3);
}

.market-card h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.market-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.market-card p {
    margin: 0;
    opacity: 0.8;
}

.revenue-model {
    background: #f8fafc;
    padding: 40px;
    border-radius: 16px;
}

.revenue-model h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2d3748;
}

.revenue-streams {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.revenue-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.revenue-item:hover {
    border-color: #2d5a27;
    transform: translateY(-5px);
}

.revenue-item i {
    font-size: 48px;
    color: #2d5a27;
    margin-bottom: 20px;
}

.revenue-item h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.revenue-item p {
    color: #718096;
    margin-bottom: 20px;
}

.revenue-amount {
    background: #2d5a27;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Investor Deck Section */
.investor-deck {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a365d 0%, #2d5a27 100%);
    color: white;
    text-align: center;
}

.investor-deck h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.deck-content {
    max-width: 800px;
    margin: 0 auto;
}

.deck-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.deck-stat {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.deck-stat h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #FFD700;
}

.deck-stat p {
    margin: 0;
    opacity: 0.9;
}

.deck-cta h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.deck-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
}

.cta-buttons .btn i {
    margin-right: 10px;
}

/* Background Problem Section */
.background-section {
    padding: 80px 0;
    background: #f8fafc;
}

.background-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #2d3748;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.problem-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
}

.problem-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #e53e3e, #fc8181);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.problem-icon i {
    font-size: 32px;
    color: white;
}

.problem-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.problem-item p {
    color: #718096;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2d3748;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.step {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: #f8fafc;
    border-radius: 16px;
    border-left: 4px solid #2d5a27;
}

.step-number {
    background: #2d5a27;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.step-content p {
    color: #718096;
    margin-bottom: 20px;
    line-height: 1.6;
}

.step-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.feature-tag {
    background: #2d5a27;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.ai-decisions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.decision-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
}

.decision-item.usable {
    background: #f0fff4;
    color: #2d5a27;
    border-left: 4px solid #4CAF50;
}

.decision-item.broken {
    background: #fff5f5;
    color: #e53e3e;
    border-left: 4px solid #fc8181;
}

.decision-item i {
    font-size: 18px;
}

.partner-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.partner-type {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.partner-type i {
    color: #2d5a27;
    font-size: 20px;
}

/* AI Innovation Section */
.ai-innovation {
    padding: 80px 0;
    background: linear-gradient(135deg, #2d5a27 0%, #4a7c59 100%);
    color: white;
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.ai-text p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.ai-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.ai-feature i {
    font-size: 32px;
    color: #FFD700;
    margin-top: 5px;
}

.ai-feature h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.ai-feature p {
    margin: 0;
    opacity: 0.8;
    font-size: 1rem;
}

.ai-visual {
    display: flex;
    justify-content: center;
}

.ai-decision-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 400px;
}

.ai-decision-card h4 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.decision-example {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.item-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
}

.item-info strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.item-info p {
    margin: 0;
    opacity: 0.8;
    font-size: 0.9rem;
}

.decision-result {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
}

.decision-result i {
    color: #FFD700;
    font-size: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .ai-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .partner-types {
        grid-template-columns: 1fr;
    }
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer a {
    color: #2d5a27;
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .search-input-group {
        flex-direction: column;
    }
    
    .item-details-content {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .item-row {
        flex-direction: column;
        text-align: center;
    }
    
    .request-row,
    .transaction-row {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-stats {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .activity-item {
        flex-direction: column;
        text-align: center;
    }
    
    .transaction-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #4caf50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #718096;
    font-size: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.ai-info {
    background: #f0f9ff;
    border: 2px solid #0ea5e9;
    border-radius: 8px;
    padding: 20px;
    margin: 30px 0;
}

.ai-info h3 {
    margin-bottom: 15px;
    color: #0369a1;
}

.ai-info p {
    margin-bottom: 10px;
    color: #0c4a6e;
}

.ai-info ul {
    margin-left: 20px;
    margin-bottom: 10px;
}

.ai-info li {
    margin-bottom: 5px;
    color: #0c4a6e;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 40px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-form {
        flex-direction: column;
        width: 100%;
    }
    
    .search-input, .location-input, .category-select, .condition-select {
        width: 100%;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .how-it-works h2,
    .categories-section h2,
    .featured-items h2,
    .benefits h2 {
        font-size: 28px;
    }
}

/* Real Scenario Section Styles */
.real-scenario-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.real-scenario-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 3rem;
}

.scenario-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.scenario-content {
    padding-right: 2rem;
}

.scenario-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.scenario-content p {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.impact-points {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.impact-point {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(76, 175, 80, 0.05);
    border-radius: 8px;
    border-left: 4px solid #4caf50;
    transition: all 0.3s ease;
}

.impact-point:hover {
    background: rgba(76, 175, 80, 0.1);
    transform: translateX(5px);
}

.impact-point i {
    color: #4caf50;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.impact-point span {
    color: #2d3748;
    font-weight: 500;
}

.scenario-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
    animation: float 6s ease-in-out infinite;
}

.image-container:hover {
    transform: scale(1.05);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.2);
}

.scenario-img {
    max-width: 100%;
    height: auto;
    display: block;
    transition: all 0.3s ease;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.overlay-badge {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out;
}

.before-badge {
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    animation-delay: 0.5s;
}

.after-badge {
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #4caf50, #45a049);
    animation-delay: 1s;
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive for Real Scenario Section */
@media (max-width: 768px) {
    .real-scenario-section {
        padding: 60px 0;
    }
    
    .real-scenario-section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .scenario-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .scenario-content {
        padding-right: 0;
        order: 2;
    }
    
    .scenario-visual {
        order: 1;
    }
    
    .scenario-content h3 {
        font-size: 1.5rem;
    }
    
    .scenario-content p {
        font-size: 1rem;
    }
    
    .scenario-img {
        max-width: 90%;
    }
    
    .image-container {
        animation: none;
    }
    
    .overlay-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .real-scenario-section h2 {
        font-size: 1.75rem;
    }
    
    .scenario-content h3 {
        font-size: 1.25rem;
    }
    
    .impact-point {
        padding: 0.5rem;
    }
    
    .overlay-badge {
        font-size: 0.7rem;
        padding: 4px 8px;
    }
    
    .before-badge {
        top: 10px;
        left: 10px;
    }
    
    .after-badge {
        bottom: 10px;
        right: 10px;
    }
}