:root {
    color-scheme: dark;
    --ink: #e6ebf2;
    --muted: #a6b1c0;
    --paper: #171c24;
    --surface: #222a35;
    --surface-raised: #293342;
    --line: #3a4656;
    --accent: #8bbcff;
    --accent-strong: #6fa9f4;
    --white: #222a35;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.site-header {
    height: 72px;
    padding: 0 clamp(20px, 6vw, 90px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.brand { font-family: Georgia, serif; font-size: 1.35rem; color: var(--ink); text-decoration: none; }
.site-header nav { display: flex; gap: 24px; }
.site-header nav a, main a { color: var(--accent); text-decoration: none; }
.site-header nav a:hover, main a:hover { color: #b6d5ff; text-decoration: underline; }

main {
    width: min(1180px, 90vw);
    margin: 0 auto;
    min-height: calc(100vh - 155px);
    padding: 48px 0 72px;
}

.intro { max-width: 650px; margin: 8px auto 42px; text-align: center; }
.intro h1, h1, h2, h3 { font-family: Georgia, serif; font-weight: 500; line-height: 1.2; }
.intro h1 { font-size: clamp(2.5rem, 7vw, 5rem); margin: 8px 0; }
.intro p { color: var(--muted); }
.eyebrow { font-size: .72rem; letter-spacing: .18em; color: var(--accent); font-weight: 700; }

.filters {
    display: flex;
    align-items: end;
    gap: 14px;
    flex-wrap: wrap;
    padding: 16px 0 22px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 28px;
}

.gallery-filter-bar {
    display: grid;
    gap: 18px;
    margin: 0 0 28px;
    padding: 18px 0 22px;
    border-bottom: 1px solid var(--line);
}

.filter-block { display: grid; grid-template-columns: 145px minmax(0, 1fr); align-items: start; gap: 14px; }
.filter-heading { padding-top: 7px; color: var(--muted); font-size: .86rem; font-weight: 600; }
.filter-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filter-link, .tag-group summary { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 5px; padding: 6px 10px; color: var(--accent); background: var(--surface); text-decoration: none; cursor: pointer; }
.filter-link:hover, .tag-group summary:hover { background: var(--surface-raised); text-decoration: none; }
.filter-link.current, .tag-group summary.current { border-color: var(--accent-strong); background: #26394d; color: #c3ddff; }
.tag-groups { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-group { min-width: 130px; }
.tag-group summary { list-style: none; width: 100%; justify-content: space-between; }
.tag-group summary::-webkit-details-marker { display: none; }
.tag-group summary::after { content: '⌄'; color: var(--muted); }
.tag-group[open] { flex: 1 1 100%; }
.tag-group[open] summary::after { content: '⌃'; }
.sub-filters { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 0 2px; }
.date-filters { width: 100%; border: 0; border-top: 1px solid var(--line); margin: 0; padding: 16px 0 0; }
.date-filters .filter-heading { margin-right: auto; }
.date-filters input[type="hidden"] { display: none; }

.filters label, .stacked-form label { display: grid; gap: 6px; font-size: .86rem; color: var(--muted); }

input, select, textarea {
    font: inherit;
    color: var(--ink);
    background: var(--surface-raised);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 10px 12px;
    min-width: 120px;
}

input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-strong); outline-offset: 1px; }
.check { display: flex !important; align-items: center; gap: 7px !important; padding-bottom: 10px; }
.check input { min-width: auto; accent-color: var(--accent-strong); }
.choice-group { margin: 0; padding: 16px; border: 1px solid var(--line); border-radius: 6px; }
.choice-group legend { padding: 0 6px; color: var(--ink); font-family: Georgia, serif; }
.checkbox-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 20px; }
.checkbox-grid .check { display: grid !important; grid-template-columns: 18px minmax(0, 1fr); align-items: center; justify-content: start; padding-bottom: 0; color: var(--ink); font-size: .95rem; text-align: left; }
.checkbox-grid .check input { width: 16px; height: 16px; margin: 0; justify-self: start; }
.favorite-toggle { display: grid !important; grid-template-columns: 18px max-content; justify-content: start; align-items: center; width: max-content; padding: 0 !important; text-align: left; }
.favorite-toggle input { justify-self: start; }

.button, button {
    background: var(--accent-strong);
    color: #101923;
    border: 0;
    border-radius: 5px;
    padding: 11px 17px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.button:hover, button:hover { background: #91bdf2; }
.filters > a { padding: 10px; }
.gallery { columns: 4 230px; column-gap: 14px; }

.photo-card {
    display: block;
    break-inside: avoid;
    margin: 0 0 14px;
    background: var(--surface);
    color: var(--ink) !important;
    border: 1px solid var(--line);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 18px #080b101c;
}

.photo-card img { display: block; width: 100%; height: auto; min-height: 120px; object-fit: cover; }
.photo-card span { display: block; padding: 9px 12px; color: var(--muted); font-size: .9rem; }
.pagination { display: flex; justify-content: center; margin: 30px 0; }
.pagination nav.pagination-nav { display: flex; flex-direction: column; gap: 12px; align-items: center; width: 100%; }
.pagination .pagination-summary { margin: 0; color: var(--muted); }
.pagination .pagination-pages { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; align-items: center; }
.pagination .pagination-pages a, .pagination .pagination-pages span:not(.ellipsis) { display: inline-flex; min-width: 42px; justify-content: center; padding: 7px 11px; background: var(--surface); border: 1px solid var(--line); border-radius: 5px; }
.pagination .pagination-pages .current { background: var(--accent-strong); border-color: var(--accent-strong); color: #10151c; font-weight: 700; }
.pagination .pagination-pages .disabled { color: var(--muted); opacity: .6; }
.pagination .pagination-pages span.ellipsis { padding: 7px 3px; color: var(--muted); }
.pagination .pagination-pages a:hover { background: var(--surface-raised); text-decoration: none; }
.empty { text-align: center; padding: 70px; color: var(--muted); }

.photo-detail { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr); gap: 34px; align-items: start; }
.photo-navigation { display: flex; justify-content: space-between; gap: 16px; margin: 14px 0 22px; }
.photo-navigation a { display: inline-block; padding: 9px 13px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); }
.photo-navigation a:hover { background: var(--surface-raised); text-decoration: none; }
.photo-detail > img { display: block; width: 100%; height: auto; max-height: 75vh; object-fit: contain; background: #10151c; }
.photo-caption { padding: 18px 0; }
.photo-caption h1 { font-size: 2rem; }
.age-captions { margin: 24px 0; }
.age-captions h2 { font-size: 1.25rem; margin-bottom: 10px; }
.age-captions ul { list-style: none; margin: 0; padding: 0; max-width: 420px; }
.age-captions li { display: grid; grid-template-columns: minmax(100px, 150px) 1fr; gap: 14px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.age-captions li span { color: var(--muted); }
.chips { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.chips span { min-width: 190px; background: var(--surface-raised); border: 1px solid var(--line); border-radius: 5px; padding: 5px 10px; font-size: .85rem; text-align: left; }
.comments { max-width: 720px; margin: 54px auto; }
.comment { padding: 16px 0; border-bottom: 1px solid var(--line); }
.comment time { float: right; color: var(--muted); font-size: .85rem; }
.comment p { white-space: pre-wrap; }
.stacked-form { display: grid; gap: 16px; }
.stacked-form input, .stacked-form textarea { width: 100%; }

.form-panel { background: var(--surface); padding: 26px; border: 1px solid var(--line); border-radius: 8px; margin: 24px 0 40px; }
.form-panel h1, .form-panel h2 { margin-top: 0; }
.notice { padding: 12px 16px; background: #243c36; border: 1px solid #3a6558; border-radius: 5px; color: #c5f0dd; }
.notice.error { background: #402b31; border-color: #77404a; color: #ffd4d9; }
.notice ul { margin: 0; }
.admin-heading { display: flex; align-items: center; justify-content: space-between; }
.admin-actions { display: flex; align-items: center; gap: 10px; }
.secondary { background: var(--surface-raised); color: var(--ink); border: 1px solid var(--line); }
.secondary:hover { background: #354255; }
.hint, small { color: var(--muted); }
.admin-list { border-top: 1px solid var(--line); }
.admin-photo { display: grid; grid-template-columns: 72px 1fr auto auto; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.admin-photo img { width: 72px; height: 60px; object-fit: cover; background: var(--surface-raised); }
.admin-photo div { display: grid; }
.admin-photo a { padding: 8px; }
.admin-photo form { margin: 0; }
.link-button { padding: 6px; background: none; color: var(--accent); }
.link-button.danger { color: #ff9aa5; }
.edit-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .8fr); gap: 28px; }
.edit-grid > img { width: 100%; max-height: 70vh; object-fit: contain; background: #10151c; }
.batch-edit-form { display: grid; gap: 22px; }
.batch-photo-list { display: grid; gap: 18px; }
.batch-photo-row { display: grid; grid-template-columns: minmax(180px, 260px) minmax(0, 1fr); gap: 22px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.batch-photo-preview img { display: block; width: 100%; max-height: 260px; object-fit: contain; background: #10151c; border-radius: 4px; }
.batch-photo-preview span { display: block; margin-top: 8px; color: var(--muted); font-size: .85rem; }
.batch-photo-fields { display: grid; align-content: start; gap: 14px; min-width: 0; }
.batch-photo-fields > label:not(.check) { display: grid; gap: 6px; color: var(--muted); font-size: .86rem; }

footer { text-align: center; color: var(--muted); font-size: .88rem; padding: 24px; border-top: 1px solid var(--line); }

@media (max-width: 700px) {
    main { padding-top: 30px; }
    .photo-detail, .edit-grid { grid-template-columns: 1fr; }
    .batch-photo-row { grid-template-columns: 1fr; }
    .batch-photo-preview img { max-height: 320px; }
    .admin-photo { grid-template-columns: 56px 1fr auto; }
    .admin-photo img { width: 56px; }
    .admin-photo form { grid-column: 2 / -1; }
    .admin-actions { flex-wrap: wrap; justify-content: flex-end; }
    .filters label { flex: 1; }
    .checkbox-grid { grid-template-columns: 1fr; }
    .filter-block { grid-template-columns: 1fr; gap: 8px; }
    .filter-heading { padding-top: 0; }
    .date-filters .filter-heading { flex-basis: 100%; }
}