:root{--theme-bg:#f5f7f6;--theme-surface:#fff;--theme-line:#dfe8e8;--theme-primary:var(--turquoise,#1fa7a4);}
/* Public themes: same layout, different visual identity. */
body.theme-classic{--turquoise:#1fa7a4;--navy:#102a43;--muted:#607286;--line:#dfe8e8;--surface:#fff;}
body.theme-ocean{--turquoise:#168bd0;--navy:#0b2740;--muted:#5b7084;--line:#dce7ef;--surface:#fff;background:#f4f8fb;}
body.theme-forest{--turquoise:#2d8a58;--navy:#183b2a;--muted:#617568;--line:#dce8df;--surface:#fff;background:#f4f8f5;}
body.theme-sunset{--turquoise:#d56d45;--navy:#3b2630;--muted:#78666d;--line:#eadfdc;--surface:#fff;background:#fbf7f5;}
body.theme-midnight{--turquoise:#63d6c6;--navy:#eef6ff;--muted:#b6c5d2;--line:#294254;--surface:#142737;background:#091a28;color:#edf6fb;}
body.theme-midnight .site-header,body.theme-midnight .footer,body.theme-midnight .content-card,body.theme-midnight .guide-card,body.theme-midnight .category-card,body.theme-midnight .route-card,body.theme-midnight .section-card{background:#102231;border-color:#294254;color:#edf6fb}
body.theme-midnight .section-copy,body.theme-midnight .guide-card-location,body.theme-midnight .guide-card-date,body.theme-midnight .hero-search input,body.theme-midnight input,body.theme-midnight textarea,body.theme-midnight select{color:#c7d5df}
body.theme-midnight input,body.theme-midnight textarea,body.theme-midnight select{background:#132838;border-color:#355064}
body.theme-midnight .detail-image,body.theme-midnight .detail-sidebar-card,.admin-theme-slate .admin-side{background:#0f2230}
/* Admin themes */
.admin-page.admin-theme-slate{--admin-primary:#102a43;--admin-accent:#1fa7a4}
.admin-page.admin-theme-mint{--admin-primary:#174e47;--admin-accent:#2caa92}
.admin-page.admin-theme-sunset{--admin-primary:#6b3826;--admin-accent:#d26b44}
.admin-page.admin-theme-violet{--admin-primary:#47255f;--admin-accent:#8b5bb5}
.admin-page.admin-theme-graphite{--admin-primary:#252b31;--admin-accent:#64717d}
.admin-page{--navy:var(--admin-primary,#102a43);--turquoise:var(--admin-accent,#1fa7a4)}
.theme-preview-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.theme-preview{position:relative;display:block;border:1px solid var(--line);border-radius:16px;padding:0;overflow:hidden;background:#fff;cursor:pointer}.theme-preview input{position:absolute;opacity:0}.theme-preview-card{height:90px;padding:11px;display:flex;flex-direction:column;justify-content:space-between}.theme-preview-card strong{font:800 12px Poppins,sans-serif}.theme-preview-card small{font-size:9px}.theme-preview .swatches{display:flex;gap:5px}.theme-preview .swatches i{width:16px;height:16px;border-radius:50%;display:block;border:2px solid rgba(255,255,255,.7)}.theme-preview input:checked + .theme-preview-card{outline:3px solid var(--turquoise);outline-offset:-3px}
.admin-info-tip{position:relative;display:inline-grid;place-items:center;width:17px;height:17px;margin-left:5px;border-radius:50%;background:#edf5f5;color:#177673;font:800 10px/1 Inter,sans-serif;cursor:help;vertical-align:middle}.admin-info-tip span{position:absolute;left:0;top:calc(100% + 7px);width:min(320px,80vw);padding:10px 12px;border-radius:12px;background:#102a43;color:#fff;box-shadow:0 12px 30px rgba(0,0,0,.18);opacity:0;visibility:hidden;transform:translateY(-3px);transition:.15s;z-index:999}.admin-info-tip:hover span,.admin-info-tip:focus span{opacity:1;visibility:visible;transform:none}
.article-gallery{margin:28px 0 0;padding-top:24px;border-top:1px solid var(--line)}.article-gallery-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:12px}.article-gallery-head h2{margin:4px 0 0;font:800 21px Poppins,sans-serif}.article-gallery-head small{color:var(--muted);font-size:10px}.article-gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.article-gallery-item{display:block;aspect-ratio:4/3;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#edf2f3}.article-gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.article-gallery-item:hover img{transform:scale(1.035)}
.article-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin:16px 0 22px}.article-fact{padding:12px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--surface,#fff) 94%,var(--turquoise) 6%)}.article-fact small,.article-fact strong{display:block}.article-fact small{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}.article-fact strong{margin-top:4px;font-size:12px;color:var(--navy)}
@media(max-width:900px){.theme-preview-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.article-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.article-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.theme-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-gallery-grid{grid-template-columns:1fr}.article-facts{grid-template-columns:1fr}}

.theme-preview-card.theme-classic{background:#f7fbfa;color:#102a43}.theme-preview-card.theme-ocean{background:#eef7fc;color:#0b2740}.theme-preview-card.theme-forest{background:#eef7f0;color:#183b2a}.theme-preview-card.theme-sunset{background:#fcf1ec;color:#3b2630}.theme-preview-card.theme-midnight{background:#102231;color:#edf6fb}.theme-preview-card.theme-midnight small{color:#b6c5d2}