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

:root {
    --primary-color: #ff1493;
    --primary-dark: #ff0066;
    --secondary-color: #ff69b4;
    --accent-color: #ffc0cb;
    --text-color: #ffffff;
    --text-light: #ffc0cb;
    --bg-color: #000000;
    --bg-light: #1a1a1a;
    --border-color: #333333;
    --shadow: 0 4px 6px -1px rgba(255, 20, 147, 0.3), 0 2px 4px -1px rgba(255, 20, 147, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(255, 20, 147, 0.4), 0 4px 6px -2px rgba(255, 20, 147, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    position: relative;
    overflow-x: hidden;
}

/* Particles canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Make sure content is above particles */
header, main, footer {
    position: relative;
    z-index: 2;
}

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

/* Navigation */
.navbar {
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
    color: white;
    padding: 120px 20px;
    text-align: center;
    position: relative;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Sections */
section {
    padding: 80px 20px;
}

section:nth-child(even) {
    background-color: var(--bg-light);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-color);
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.submit-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.submit-button:active {
    transform: translateY(0);
}

/* Footer */
footer {
    background-color: rgba(0, 0, 0, 0.9);
    color: var(--text-light);
    padding: 2rem 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 20, 147, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    h2 {
        font-size: 2rem;
    }

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

    section {
        padding: 60px 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

/* Additional Marketplace Styles */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-button-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Auth Pages */
.auth-section {
    padding: 100px 20px;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.auth-container {
    max-width: 500px;
    margin: 0 auto;
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.auth-form {
    width: 100%;
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-light);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

.error-message {
    background-color: rgba(255, 20, 147, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Marketplace Styles */
.marketplace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.search-filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.search-input, .filter-select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    background-color: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    font-family: inherit;
}

.search-input:focus, .filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.listing-card {
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.listing-image-container {
    width: 100%;
    height: 200px;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-color);
}

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

.listing-stock {
    margin: 1rem 0;
    color: var(--text-color);
    font-size: 1rem;
}

.btn-edit-stock {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-edit-stock:hover {
    background-color: var(--primary-color);
    color: white;
}

.user-management-section {
    margin-top: 1rem;
}

.banned-list {
    margin-top: 1rem;
}

.listing-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.listing-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.listing-price {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

.listing-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.listing-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-available {
    background-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.status-pending {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.status-completed {
    background-color: rgba(107, 114, 128, 0.2);
    color: #6b7280;
}

.listing-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.listing-actions button {
    flex: 1;
    padding: 0.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-buy {
    background-color: var(--primary-color);
    color: white;
}

.btn-buy:hover {
    background-color: var(--primary-dark);
}

.btn-trade {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-trade:hover {
    background-color: var(--primary-color);
    color: white;
}

.no-listings {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

/* Dashboard Styles */
.dashboard-section {
    padding: 80px 20px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

.dashboard-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 1rem 2rem;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    margin-bottom: -2px;
}

.tab-button:hover {
    color: var(--primary-color);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.trade-history-list, .messages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trade-item, .message-item {
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
}

/* Responsive for new components */
/* Admin Styles */
.admin-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.admin-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.admin-card {
    background-color: var(--bg-light);
    border: 2px solid rgba(255, 20, 147, 0.3);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-card h3 {
    color: var(--text-color);
    margin-bottom: 0;
}

.item-count {
    color: var(--text-light);
    font-weight: 600;
}

.item-count span {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.admin-form {
    width: 100%;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.item-card {
    background-color: var(--bg-color);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.item-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.item-image-container {
    width: 100%;
    height: 150px;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.item-card-name {
    color: var(--text-color);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.btn-delete {
    width: 100%;
    padding: 0.5rem;
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 2px solid #ef4444;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-delete:hover {
    background-color: #ef4444;
    color: white;
}

.image-preview {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.image-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.success-message {
    background-color: rgba(34, 197, 94, 0.2);
    border: 1px solid #22c55e;
    color: #22c55e;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-light);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    color: var(--text-color);
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

.close-modal:hover {
    color: var(--primary-color);
}

.items-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
}

.selectable-item-card {
    background-color: var(--bg-color);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.selectable-item-card:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.selectable-item-card.selected {
    border-color: var(--primary-color);
    background-color: rgba(255, 20, 147, 0.1);
}

.selectable-item-image {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.selectable-item-name {
    font-size: 0.875rem;
    color: var(--text-color);
    font-weight: 500;
}

@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .dashboard-tabs {
        flex-direction: column;
        border-bottom: none;
    }

    .tab-button {
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
    }

    .tab-button.active {
        border-left-color: var(--primary-color);
        border-bottom-color: transparent;
    }

    .marketplace-header {
        flex-direction: column;
        align-items: stretch;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .items-selection-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}