:root{--bg:#fff;--fg:#111;--muted:#666;--line:#e5e5e5;--accent:#1f6feb;--danger:#c62828;--card:#f7f7f7}
@media (prefers-color-scheme:dark){:root{--bg:#111;--fg:#eee;--muted:#999;--line:#2a2a2a;--card:#1c1c1c}}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.45 -apple-system,system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--accent)}
h1{font-size:1.5rem;margin:.2rem 0 .6rem}
h2{font-size:1.1rem;margin:1.2rem 0 .4rem}
.page{padding:12px 12px calc(12px + env(safe-area-inset-bottom));max-width:1200px;margin:0 auto}
.page.narrow{max-width:640px}
.lead{font-size:1.1rem}
.muted{color:var(--muted)}.small{font-size:.85rem}
.error{color:var(--danger);font-weight:600}
.notice{background:var(--card);padding:8px 12px;border-radius:8px}
.btn{display:inline-block;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);font:inherit;font-weight:600;text-decoration:none;cursor:pointer;line-height:1.2}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.small{padding:5px 10px;font-size:.85rem}
.btn:active{opacity:.8}
.form label{display:block;margin:0 0 14px;font-weight:600}
.form input{display:block;width:100%;margin-top:4px;padding:10px;font:inherit;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
.form input[type=file]{padding:6px}
.fineprint{margin-top:2rem;font-size:.9rem;color:var(--muted)}
.fineprint h2{color:var(--fg)}
.card{background:var(--card);border-radius:12px;padding:12px 14px;margin:12px 0}
.card.warn{border:2px solid #e6a700}
.card.danger-zone{border:1px solid var(--danger)}
.linkbox{word-break:break-all;font-family:ui-monospace,Menlo,monospace;font-size:.9rem}
.qr{width:220px;max-width:100%;image-rendering:pixelated;background:#fff;padding:6px;border-radius:8px}
.qr.small{width:140px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.zip-links{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
input[name=confirm]{padding:8px;font:inherit;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}

/* gallery */
.gallery-page{padding-bottom:0}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;padding-top:calc(10px + env(safe-area-inset-top));background:var(--bg);border-bottom:1px solid var(--line)}
.topbar h1{margin:0;font-size:1.15rem;line-height:1.2}
.topbar .title{min-width:0}
.topbar h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.upload-btn{white-space:nowrap}
.name-bar{padding:8px 12px;border-bottom:1px solid var(--line);font-size:.9rem}
.name-bar input{padding:6px 8px;font:inherit;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);width:12em}
.upload-queue{list-style:none;margin:0;padding:6px 12px;border-bottom:1px solid var(--line);font-size:.85rem;max-height:30vh;overflow:auto}
.upload-queue li{display:flex;align-items:center;gap:8px;padding:3px 0}
.upload-queue .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upload-queue progress{width:90px;height:8px}
.upload-queue .st{min-width:5em;text-align:right}
.upload-queue .st.err{color:var(--danger)}
.upload-queue .st.ok{color:#2e7d32}
.upload-queue button{font:inherit;font-size:.8rem;padding:2px 8px;border-radius:6px;border:1px solid var(--line);background:var(--card);color:var(--fg)}
.cover{max-height:220px;overflow:hidden}
.cover img{width:100%;height:220px;object-fit:cover;display:block}
.empty{text-align:center;padding:60px 20px;font-size:1.1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:3px}
@media (min-width:700px){.grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:4px}}
.tile{display:block;aspect-ratio:1;overflow:hidden;background:var(--card);border-radius:4px}
.tile img{width:100%;height:100%;object-fit:cover;display:block}
.tile.new{animation:pop .4s ease}
@keyframes pop{from{transform:scale(.9);opacity:0}}
.footer{text-align:center;padding:24px 12px calc(24px + env(safe-area-inset-bottom))}

/* viewer */
.viewer{position:fixed;inset:0;background:#000;color:#fff;z-index:50;display:flex;flex-direction:column;touch-action:none}
.viewer[hidden]{display:none}
.v-stage{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0}
.v-stage img{max-width:100%;max-height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none;transition:transform .2s ease}
.v-close{position:absolute;top:calc(8px + env(safe-area-inset-top));right:8px;width:44px;height:44px;border-radius:50%;border:0;background:rgba(0,0,0,.5);color:#fff;font-size:26px;z-index:2}
.v-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px calc(8px + env(safe-area-inset-bottom));background:#000}
.v-bar .btn{background:#222;border-color:#333;color:#fff}
.v-btns{display:flex;gap:6px;align-items:center}
.v-btns button{width:44px;height:38px;border-radius:8px;border:0;background:#222;color:#fff;font-size:24px}

/* admin */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.stat{background:var(--card);border-radius:10px;padding:10px 12px}
.stat b{display:block;font-size:1.3rem}
.stat span{font-size:.8rem;color:var(--muted)}
.admin-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.admin-photo{background:var(--card);border-radius:10px;overflow:hidden;font-size:.85rem}
.admin-photo img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.admin-photo.is-hidden img{opacity:.35}
.admin-photo .meta{padding:6px 8px}
.admin-photo .tag{display:inline-block;background:#e6a700;color:#000;border-radius:4px;padding:0 6px;font-size:.75rem}
.admin-photo .btns{display:flex;gap:4px;padding:0 8px 8px;flex-wrap:wrap}
.admin-photo form{margin:0}