:root {
    color-scheme: light;
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --accent: #1d4ed8;
    --border: #d7dde8;
    --photo-border: #000000;
    --muted: #64748b;
    --surface: #ffffff;
    --surface-alt: #f8fafc;
    --text: #0f172a;
}

* {
    box-sizing: padding-box;
}

body {
    margin: 0;
    background: #eef2f7;
    color: var(--text);
}

.app-header {
    align-items: center;
    background: #0f172a;
    color: white;
    display: flex;
    justify-content: space-between;
    padding: 1rem clamp(1rem, 4vw, 3rem);
}

    .app-header h1 {
        margin: 0;
    }

    .app-header p {
        color: #cbd5e1;
        margin: .25rem 0 0;
    }

.header-link {
    color: white;
    font-weight: 600;
}

.page {
    margin: 0 auto;
    max-width: 1440px;
    padding: 1.5rem clamp(1rem, 4vw, 3rem) 3rem;
}

.gutters {
    margin-bottom: 0.5rem;
}

.space-after {
    margin-bottom: 1rem;
}

.loading, .alert, .filters, .toolbar, .table-wrapper, .detail-header, .photo-gallery, .detail-grid, .intro {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 8px 20px rgb(15 23 42 / 6%);
}

.loading, .alert, .intro {
    padding: 1rem;
}

    .alert.error {
        border-color: #fecaca;
        color: #991b1b;
    }

.filters {
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
}

label {
    color: #334155;
    font-size: .9rem;
    font-weight: 600;
    gap: .35rem;
}

.filters label {
    display: block;
}

input, select, button {
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    padding: .55rem .7rem;
}

button {
    background: var(--accent);
    color: white;
    cursor: pointer;
    font-weight: 700;
}

    button:disabled {
        cursor: not-allowed;
        opacity: .45;
    }

    button.secondary {
        background: #475569;
    }

.filter-actions {
    align-content: end;
    margin-top: 4px;
}

.toolbar {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: .8rem 1rem;
}

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

.catalog-table {
    border-collapse: collapse;
    min-width: 1050px;
    width: 100%;
}

    .catalog-table th, .catalog-table td {
        border-bottom: 1px solid var(--border);
        padding: .65rem .75rem;
        text-align: left;
        vertical-align: middle;
    }

    .catalog-table th {
        background: var(--surface-alt);
        position: sticky;
        top: 0;
        z-index: 1;
    }

        .catalog-table th button {
            background: transparent;
            border: 0;
            color: var(--text);
            padding: 0;
            text-align: left;
        }

    .catalog-table tbody tr:hover {
        background: #f1f5f9;
    }

    .catalog-table tbody tr.last-visited {
        background: #ffd40024;
    }

a {
    color: var(--accent);
}

.thumb {
    background: #f1f5f9;
    border: 2px solid var(--photo-border);
    border-radius: 10px;
    object-fit: cover;
}

.list-thumb {
    height: 72px;
    width: 96px;
}

.detail-thumb {
    height: 180px;
    width: 240px;
}

.pager {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.back-link {
    display: inline-block;
    font-weight: 600;
    cursor: pointer;
}

.detail-header {
    margin-bottom: 1rem;
    padding: 1.25rem;
}

    .detail-header h2 {
        margin: 0 0 .35rem;
    }

    .detail-header p {
        color: var(--muted);
        margin: 0;
    }

.photo-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
}

.detail-grid {
    display: grid;
    gap: 0;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    overflow: hidden;
}

.field {
    border-bottom: 1px solid var(--border);
    padding: 1rem;
}

    .field dt {
        color: var(--muted);
        font-size: .8rem;
        font-weight: 700;
        letter-spacing: .04em;
        text-transform: uppercase;
    }

    .field dd {
        margin: .35rem 0 0;
        white-space: pre-wrap;
    }

@media (max-width: 720px) {
    .app-header, .toolbar {
        align-items: flex-start;
        flex-direction: column;
        gap: .75rem;
    }

    .detail-thumb {
        height: auto;
        width: 100%;
    }
}

.warning {
    color: #78350f;
    background-color: #fef3c7;
    padding: 2px 4px 2px 4px;
    font-weight: bolder;
    border: solid 1px #78350f;
    border-radius: 4px;
    text-wrap-mode: nowrap;
}

a.link-button {
    padding: 2px 4px 2px 4px;
    color: white;
    font-weight: 600;
    background: #475569;
    cursor: pointer;
    margin-left: 4px;
    margin-right: 4px;
    border: solid 1px #000000;
    border-radius: 4px;
    text-wrap-mode: nowrap;
}

a.action-link {
    cursor: pointer;
}

.title-block {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: .5rem;
    align-items: center;
}

    .title-block .back-link {
        grid-row: 1 / span 2;
    }

    .title-block h2 {
        margin: 0;
    }

    .title-block p {
        margin: .25rem 0 0;
    }

.back-link.flash {
    animation: pulse-back 1.5s linear;
    color: red;
}

@keyframes pulse-back {
    0% {
        transform: scale(1);
    }

    15% {
        transform: scale(1.50);
    }

    30% {
        transform: scale(2);
    }

    60% {
        transform: scale(1.75);
    }

    75% {
        transform: scale(1.25);
    }

    100% {
        transform: scale(1);
    }
}