* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #e2e8f0;
    background: #0a0a0a;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: #22c55e;
    text-decoration: none;
}

a:hover {
    color: #4ade80;
}

.hidden {
    display: none !important;
}

.gradient-text {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 50%, #4ade80 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.offer-banner {
    background: linear-gradient(90deg, #052e16 0%, #14532d 30%, #166534 50%, #14532d 70%, #052e16 100%);
    color: #d1d5db;
    text-align: center;
    padding: 0.65rem 2.5rem;
    font-size: 0.875rem;
    position: relative;
    border-bottom: 1px solid rgba(34, 197, 94, 0.25);
    letter-spacing: 0.01em;
}

.offer-banner strong {
    color: #4ade80;
    text-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.offer-banner-close {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6b7280;
    font-size: 1.25rem;
    cursor: pointer;
    transition: color 0.2s;
}

.offer-banner-close:hover {
    color: #f1f5f9;
}

.navbar {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(34, 197, 94, 0.2);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: #f1f5f9;
}

.nav-brand em {
    font-style: normal;
    color: #22c55e;
}

.nav-brand:hover {
    color: #f1f5f9;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #9ca3af;
    border-radius: 2px;
    transition: background 0.2s;
}

.nav-toggle:hover span {
    background: #4ade80;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    color: #9ca3af;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    background: rgba(34, 197, 94, 0.05);
    color: #4ade80;
}

.nav-username {
    font-weight: 600;
    font-size: 0.9rem;
    color: #e8edf2;
    padding: 0.5rem 0.75rem;
    display: inline-block;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

main.container {
    flex: 1;
    padding-top: 2rem;
    padding-bottom: 3rem;
}

.footer {
    border-top: 1px solid rgba(34, 197, 94, 0.15);
    background: rgba(0, 0, 0, 0.5);
    padding: 1.25rem 0;
    text-align: center;
    color: #6b7280;
    font-size: 0.85rem;
    margin-top: auto;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border-left: 4px solid #22c55e;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-left: 4px solid #ef4444;
}

.alert-warning {
    background: rgba(234, 179, 8, 0.15);
    color: #facc15;
    border-left: 4px solid #eab308;
}

.alert-info {
    background: rgba(34, 197, 94, 0.1);
    color: #86efac;
    border-left: 4px solid #22c55e;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.5;
}

.alert-close:hover {
    opacity: 1;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: #22c55e;
    color: #fff !important;
    -webkit-text-fill-color: #fff !important;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
    background: #16a34a;
    color: #fff !important;
    -webkit-text-fill-color: #fff !important;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.4);
}

.btn-outline {
    background: transparent;
    color: #9ca3af;
    border: 1.5px solid rgba(34, 197, 94, 0.3);
}

.btn-outline:hover {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
}

.btn-outline-dark {
    background: transparent;
    color: #9ca3af;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.btn-outline-dark:hover {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
}

.btn-outline-light {
    background: transparent;
    color: #d1d5db;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-outline-light:hover {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
}

.btn-success {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1.5px solid rgba(34, 197, 94, 0.3);
}

.btn-success:hover {
    background: rgba(34, 197, 94, 0.3);
    border-color: #22c55e;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1.5px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: #ef4444;
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 0.875rem;
    color: #d1d5db;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1.5px solid rgba(34, 197, 94, 0.2);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.05);
    color: #e2e8f0;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #6b7280;
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-card {
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(34, 197, 94, 0.15);
    width: 100%;
    max-width: 460px;
}

.auth-card h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: #f1f5f9;
}

.auth-subtitle {
    color: #6b7280;
    margin-bottom: 1.75rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: #6b7280;
    font-size: 0.9rem;
}

.password-strength {
    height: 4px;
    border-radius: 2px;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
}

.password-strength.weak {
    background: #ef4444;
    width: 33%;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.password-strength.medium {
    background: #eab308;
    width: 66%;
    box-shadow: 0 0 8px rgba(234, 179, 8, 0.5);
}

.password-strength.strong {
    background: #22c55e;
    width: 100%;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

.hero {
    text-align: center;
    padding: 5rem 1rem 4rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #f1f5f9;
    line-height: 1.2;
}

.hero p {
    color: #6b7280;
    font-size: 1.1rem;
    margin-bottom: 1.75rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    color: #9ca3af;
    font-size: 0.9rem;
}

.check {
    color: #22c55e;
    font-weight: 700;
    margin-right: 0.25rem;
}

.page-header {
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f1f5f9;
}

.page-header p {
    color: #6b7280;
}

.page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.section {
    margin-bottom: 2.5rem;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.25rem;
}

.section-title p {
    color: #6b7280;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #f1f5f9;
}

.card {
    background: rgba(17, 17, 17, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(34, 197, 94, 0.12);
    transition: all 0.2s ease;
}

.card:hover {
    border-color: rgba(34, 197, 94, 0.25);
}

.card h2 {
    color: #f1f5f9;
    margin-bottom: 0.75rem;
}

.listing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.listing-grid-wide {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: 3rem;
    padding-right: 3rem;
}

.listing-card {
    background: rgba(17, 17, 17, 0.5);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    border: 1px solid rgba(34, 197, 94, 0.12);
    overflow: hidden;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.listing-card:hover {
    border-color: rgba(34, 197, 94, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

.listing-card-badge {
    display: inline-block;
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 0 0 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.listing-card-body {
    padding: 1rem 1.25rem;
    flex: 1;
}

.listing-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.35rem;
}

.listing-card-desc {
    color: #6b7280;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.listing-card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: #9ca3af;
}

.listing-card-meta span {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.listing-card-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid rgba(34, 197, 94, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.listing-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: #22c55e;
}

.features-section {
    padding: 3rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: rgba(17, 17, 17, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(34, 197, 94, 0.12);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: rgba(34, 197, 94, 0.3);
    transform: translateY(-2px);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #22c55e;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #6b7280;
    font-size: 0.9rem;
}

.cta-section {
    text-align: center;
    padding: 4rem 1rem;
    background: rgba(34, 197, 94, 0.05);
    border-radius: 16px;
    margin: 2rem 0;
}

.cta-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.cta-section p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.action-card {
    background: rgba(17, 17, 17, 0.5);
    border: 1px solid rgba(34, 197, 94, 0.12);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    color: #d1d5db;
    transition: all 0.2s ease;
    text-decoration: none;
}

.action-card:hover {
    border-color: rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.05);
    color: #4ade80;
    transform: translateY(-2px);
}

.action-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #22c55e;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(17, 17, 17, 0.5);
    border: 1px solid rgba(34, 197, 94, 0.12);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #22c55e;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: #6b7280;
    font-size: 0.85rem;
}

.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(34, 197, 94, 0.1);
}

.table th {
    color: #9ca3af;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    color: #d1d5db;
    font-size: 0.9rem;
}

.table tbody tr:hover td {
    background: rgba(34, 197, 94, 0.03);
}

.table-actions {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pending {
    background: rgba(234, 179, 8, 0.15);
    color: #facc15;
}

.badge-accepted {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.badge-completed {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.badge-rejected {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.badge-active {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.badge-sold {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.badge-removed {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

.badge-buyer {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.badge-seller {
    background: rgba(234, 179, 8, 0.15);
    color: #facc15;
}

.badge-admin {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.badge-payment-unpaid {
    background: rgba(234, 179, 8, 0.15);
    color: #facc15;
}

.badge-payment-paid {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.badge-payment-confirmed {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.payment-methods {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.75rem 1rem;
    border: 1px solid #333;
    border-radius: 8px;
    flex: 1;
    transition: border-color 0.2s;
}

.payment-option:hover {
    border-color: #22c55e;
}

.payment-option input[type="radio"]:checked + .payment-label {
    color: #22c55e;
}

.payment-option input[type="radio"]:checked ~ .payment-label {
    color: #22c55e;
}

.payment-label {
    font-weight: 500;
}

.crypto-info {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid #333;
}

.crypto-address-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.crypto-addr {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    word-break: break-all;
}

.crypto-note {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: #9ca3af;
}

.crypto-hash-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.input-sm {
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
    border: 1px solid #333;
    border-radius: 4px;
    background: #1a1a2e;
    color: #e2e8f0;
    width: 140px;
}

.filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.filter-chip {
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #9ca3af;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.filter-chip:hover {
    border-color: rgba(34, 197, 94, 0.3);
    color: #4ade80;
    background: rgba(34, 197, 94, 0.05);
}

.filter-chip.active {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border-color: #22c55e;
}

.back-link {
    display: inline-block;
    color: #9ca3af;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #4ade80;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
    align-items: flex-start;
}

.detail-main {
    min-width: 0;
}

.detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0.75rem 0 0.5rem;
}

.detail-desc {
    color: #9ca3af;
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.detail-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.detail-stat {
    display: flex;
    flex-direction: column;
}

.detail-stat-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.detail-stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: #f1f5f9;
}

.detail-sidebar {
    position: sticky;
    top: 5rem;
}

.purchase-card {
    text-align: center;
}

.purchase-price {
    font-size: 2rem;
    font-weight: 700;
    color: #22c55e;
    margin-bottom: 1rem;
}

.purchase-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.review-item {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(34, 197, 94, 0.08);
}

.review-item:last-child {
    border-bottom: none;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
}

.review-header strong {
    color: #f1f5f9;
}

.review-stars {
    color: #eab308;
}

.review-comment {
    color: #9ca3af;
    font-size: 0.9rem;
}

.star-rating {
    display: flex;
    gap: 0.25rem;
}

.star-label {
    cursor: pointer;
}

.star-label input {
    display: none;
}

.star {
    font-size: 1.75rem;
    color: #27272a;
    transition: color 0.15s;
}

.star-label:hover .star {
    color: #eab308;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #6b7280;
}

.empty-state p {
    margin-bottom: 1rem;
}

.profile-info {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(34, 197, 94, 0.1);
}

.text-muted {
    color: #6b7280;
}

.offer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.offer-modal {
    background: rgba(17, 17, 17, 0.95);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 440px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.offer-modal h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 0.5rem;
}

.offer-modal p {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.offer-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: #6b7280;
    font-size: 1.5rem;
    cursor: pointer;
}

.offer-modal-close:hover {
    color: #f1f5f9;
}

.offer-modal-badge {
    display: inline-block;
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.offer-modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-section {
    margin-bottom: 3rem;
}

.faq-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(34, 197, 94, 0.3);
}

.faq-item {
    margin-bottom: 2rem;
}

.faq-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #22c55e;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: #9ca3af;
    line-height: 1.7;
}


@media (max-width: 900px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .detail-sidebar {
        position: static;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        border-bottom: 1px solid rgba(34, 197, 94, 0.2);
        flex-direction: column;
        padding: 1rem 1.5rem;
        gap: 0.25rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.6rem 0.75rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .purchase-layout {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-header-row {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (max-width: 600px) {
    .auth-card {
        padding: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .offer-modal {
        padding: 1.5rem;
    }

    .offer-modal-actions {
        flex-direction: column;
    }
}
