* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

.page {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
}

.card {
    background: #ffffff;
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h1 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 30px;
}

h2 {
    margin-top: 0;
}

h3 {
    margin-top: 0;
    font-size: 16px;
}

.subtitle {
    margin-top: 0;
    color: #6b7280;
    margin-bottom: 0;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

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

.search-area {
    position: relative;
    margin-bottom: 30px;
}

.search-area label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
}

.search-area input,
.archive-search-form input,
input[type="file"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 16px;
    outline: none;
    background: #fff;
}

.search-area input:focus,
.archive-search-form input:focus {
    border-color: #4f46e5;
}

.results {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    margin-top: 8px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 99;
    box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}

.result-item {
    padding: 14px 16px;
    border-bottom: 1px solid #f1f5f9;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-item:hover {
    background: #f8fafc;
}

.result-item strong {
    font-size: 15px;
}

.result-item span {
    font-size: 14px;
    color: #374151;
}

.result-item small {
    font-size: 12px;
    color: #6b7280;
}

.result-item.error,
.result-item.empty {
    cursor: default;
    color: #b91c1c;
}

.selected-product {
    margin-bottom: 30px;
}

.selected-box {
    min-height: 90px;
    border: 1px dashed #cbd5e1;
    border-radius: 14px;
    padding: 18px;
    background: #f8fafc;
}

.selected-product-card {
    display: grid;
    gap: 8px;
}

.upload-section {
    margin-top: 20px;
}

.actions {
    margin-top: 16px;
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: none;
    background: #4f46e5;
    color: white;
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.btn-secondary {
    background: #e5e7eb;
    color: #111827;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.preview-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid #e5e7eb;
}

.preview-box {
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 12px;
    border: 1px dashed #cbd5e1;
    overflow: hidden;
    padding: 10px;
}

.preview-box img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.status-box {
    min-height: 24px;
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}

.status-box.info,
.status-box.success,
.status-box.error {
    display: block;
}

.status-box.info {
    background: #eef2ff;
    color: #3730a3;
}

.status-box.success {
    background: #ecfdf5;
    color: #065f46;
}

.status-box.error {
    background: #fef2f2;
    color: #991b1b;
}

.archive-search-form {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.archive-card {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.archive-thumb {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.archive-thumb img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
}

.archive-info {
    padding: 16px;
    display: grid;
    gap: 8px;
    font-size: 14px;
}

.archive-links {
    padding: 16px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
}

.empty-state,
.no-image {
    padding: 20px;
    color: #6b7280;
    text-align: center;
}

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

    .topbar,
    .archive-search-form {
        flex-direction: column;
    }
}

.settings-panel {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    background: #f8fafc;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.settings-grid label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.settings-grid input,
.settings-grid select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 15px;
    background: #fff;
}

.check-row {
    display: flex !important;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.check-row input {
    width: auto;
}

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

.archive-filters-form {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 16px;
    align-items: end;
    margin-bottom: 24px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-weight: 700;
    font-size: 14px;
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 15px;
    background: #fff;
}

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

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