/* Art Marketplace - Pinterest Style CSS */

:root {
    --primary-color: #e60023;
    --primary-hover: #ad081b;
    --text-dark: #111111;
    --text-light: #767676;
    --bg-white: #ffffff;
    --bg-light: #f5f5f5;
    --border-color: #e1e1e1;
    --shadow: 0 1px 2px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Top Navigation */
.top-nav {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 20px;
}

.logo i {
    font-size: 24px;
}

.search-box {
    flex: 1;
    max-width: 400px;
    position: relative;
    background-color: var(--bg-light);
    border-radius: 24px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    height: 48px;
}

.search-box i {
    color: var(--text-light);
    margin-right: 8px;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 16px;
    color: var(--text-dark);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    text-decoration: none;
    color: var(--text-dark);
    border-radius: 24px;
    font-weight: 600;
    transition: background-color 0.2s;
}

.nav-link:hover {
    background-color: var(--bg-light);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: 24px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.user-menu:hover {
    background-color: var(--bg-light);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

/* Category Filters */
.category-filters {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    overflow-x: auto;
}

.filter-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    gap: 8px;
}

.filter-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    border-radius: 24px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    color: var(--text-dark);
}

.filter-btn:hover {
    background-color: var(--bg-light);
}

.filter-btn.active {
    background-color: var(--text-dark);
    color: white;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 16px;
}

/* Pinterest Grid */
.pinterest-container {
    width: 100%;
}

.pinterest-grid {
    column-count: 5;
    column-gap: 16px;
    width: 100%;
}

@media (max-width: 1200px) {
    .pinterest-grid {
        column-count: 4;
    }
}

@media (max-width: 900px) {
    .pinterest-grid {
        column-count: 3;
    }
}

@media (max-width: 600px) {
    .pinterest-grid {
        column-count: 2;
    }
}

@media (max-width: 400px) {
    .pinterest-grid {
        column-count: 1;
    }
}

.pin-card {
    break-inside: avoid;
    margin-bottom: 16px;
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.pin-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.pin-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.pin-image-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    background-color: var(--bg-light);
}

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

.featured-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
}

.pin-info {
    padding: 12px;
}

.pin-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pin-artist {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.pin-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.pin-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.pin-category {
    font-size: 12px;
    color: var(--text-light);
    background-color: var(--bg-light);
    padding: 4px 8px;
    border-radius: 12px;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-light);
}

.no-results i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.no-results h2 {
    margin-bottom: 8px;
    color: var(--text-dark);
}

/* Item Details */
.item-details-container {
    max-width: 1200px;
    margin: 0 auto;
}

.item-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

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

.item-image-section {
    position: sticky;
    top: 80px;
    height: fit-content;
}

.item-image-wrapper {
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.item-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.item-info-section {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.item-header h1 {
    font-size: 32px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.item-artist {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.item-price {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.price-label {
    font-size: 14px;
    color: var(--text-light);
}

.price-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
}

.item-details {
    margin-bottom: 32px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
}

.detail-item i {
    color: var(--text-light);
    width: 20px;
}

.item-description {
    margin-bottom: 24px;
}

.item-description h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.item-description p {
    color: var(--text-light);
    line-height: 1.8;
}

.item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.tag {
    background-color: var(--bg-light);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 14px;
    color: var(--text-dark);
}

.item-actions {
    margin-bottom: 24px;
}

.item-stats {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 14px;
}

.item-stats i {
    margin-right: 6px;
}

/* Related Items */
.related-items {
    margin-top: 60px;
}

.related-items h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.related-card {
    text-decoration: none;
    color: inherit;
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.related-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-info {
    padding: 12px;
}

.related-info h4 {
    font-size: 14px;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.related-info p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

/* Booking Page */
.booking-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.booking-item-preview {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 80px;
    height: fit-content;
}

.booking-item-preview img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 16px;
}

.preview-info h3 {
    font-size: 20px;
    margin-bottom: 4px;
}

.preview-info p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.preview-price {
    font-size: 24px;
    font-weight: 700;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.booking-form-section {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.booking-form-section h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

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

.booking-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.booking-form input,
.booking-form textarea,
.booking-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.booking-summary {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 20px;
    margin: 24px 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 16px;
}

.summary-row.total {
    font-size: 20px;
    font-weight: 700;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    margin-top: 12px;
    margin-bottom: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
}

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

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

.btn-secondary {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-disabled {
    background-color: var(--bg-light);
    color: var(--text-light);
    cursor: not-allowed;
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background-color: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-confirmed,
.status-available {
    background-color: #d4edda;
    color: #155724;
}

.status-processing {
    background-color: #cce5ff;
    color: #004085;
}

.status-shipped {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-delivered,
.status-paid {
    background-color: #d4edda;
    color: #155724;
}

.status-sold,
.status-reserved {
    background-color: #f8d7da;
    color: #721c24;
}

.status-cancelled,
.status-failed,
.status-refunded {
    background-color: #f8d7da;
    color: #721c24;
}

/* Confirmation Page */
.confirmation-container {
    max-width: 600px;
    margin: 60px auto;
}

.confirmation-box {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow-hover);
}

.confirmation-icon {
    font-size: 64px;
    color: #28a745;
    margin-bottom: 24px;
}

.confirmation-box h1 {
    font-size: 32px;
    margin-bottom: 12px;
}

.confirmation-message {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.order-details {
    text-align: left;
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 32px;
}

.order-details h2 {
    font-size: 20px;
    margin-bottom: 16px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

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

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--bg-white);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 24px;
    font-weight: 600;
    transition: background-color 0.2s;
}

.pagination-btn:hover {
    background-color: var(--bg-light);
}

.pagination-info {
    color: var(--text-light);
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-box h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-dark);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

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

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

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

/* Footer */
.footer {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 24px;
    text-align: center;
    color: var(--text-light);
    margin-top: 60px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}