:root {
  --bg:#fbf6f1; --bg2:#f3e7e0; --card:#fffdfb; --ink:#3b2f31; --muted:#8c7b7d;
  --accent:#a65e6a; --accent2:#c98a86; --accent-ink:#ffffff; --gold:#b8935a; --line:#eadfd8;
  --bad:#c0463f; --ok:#4f8a6b;
  --shadow:0 10px 34px rgba(120,80,80,.10); --shadow-sm:0 2px 10px rgba(120,80,80,.08);
  --radius:22px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#181315; --bg2:#231b1e; --card:#201a1c; --ink:#f3e9e6; --muted:#a8979a;
    --accent:#d99aa4; --accent2:#e6c0a8; --accent-ink:#2a1c20; --gold:#d4b27c; --line:#352b2e;
    --bad:#ff9b94; --ok:#8fd0ad;
    --shadow:0 10px 34px rgba(0,0,0,.40); --shadow-sm:0 2px 10px rgba(0,0,0,.30);
  }
}
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body {
  margin:0; min-height:100vh; color:var(--ink); background:var(--bg);
  font:16px/1.55 var(--sans);
}
/* Fixed layer instead of background-attachment:fixed, which makes phones repaint on every scroll frame */
body::before {
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(900px 500px at 90% -10%, color-mix(in srgb, var(--accent2) 22%, transparent), transparent 60%),
    radial-gradient(800px 500px at -10% 0%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 60%);
}
main { max-width:440px; margin:0 auto; padding:max(24px,env(safe-area-inset-top)) 20px 48px; }
main.wide { max-width:1040px; padding-bottom:120px; }
h1, h2, h3 { font-family:var(--serif); font-weight:500; }
h1 { font-size:36px; line-height:1.15; margin:0 0 8px; letter-spacing:-.01em; }
p.sub { color:var(--muted); margin:0 0 26px; font-family:var(--serif); font-style:italic; font-size:18px; }
.hidden, [hidden] { display:none !important; }

/* ---------- Login ---------- */
.auth-page main.auth { padding-top:max(64px,env(safe-area-inset-top)); text-align:center; }
.logo {
  width:72px; height:72px; margin:0 auto 22px; border-radius:50%; display:grid; place-items:center; color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2)); box-shadow:0 12px 30px color-mix(in srgb, var(--accent) 38%, transparent);
}
.auth h1 { margin-top:0; font-size:40px; }
.auth .card { text-align:left; margin-top:8px; }
.foot { color:var(--muted); font-size:14px; margin-top:26px; font-family:var(--serif); font-style:italic; }

.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); }
label { display:block; font-weight:600; font-size:14px; margin:0 0 6px; color:var(--muted); letter-spacing:.02em; }
input {
  width:100%; font:inherit; padding:13px 15px; margin:0 0 16px; color:var(--ink); background:var(--bg);
  border:1px solid var(--line); border-radius:14px; transition:border-color .15s, box-shadow .15s;
}
input:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent); }
button {
  font:inherit; font-weight:600; width:100%; padding:13px 16px; border:0; border-radius:99px; cursor:pointer;
  color:var(--accent-ink); background:linear-gradient(135deg,var(--accent),var(--accent2));
  transition:transform .12s, box-shadow .15s, opacity .15s;
}
button:hover:not(:disabled) { box-shadow:0 8px 22px color-mix(in srgb, var(--accent) 35%, transparent); }
button:active:not(:disabled) { transform:translateY(1px); }
button:focus-visible { outline:3px solid var(--accent); outline-offset:2px; }
button:disabled { opacity:.5; cursor:default; }
button.link { width:auto; padding:6px 12px; background:none; color:var(--muted); font-weight:500; box-shadow:none; border-radius:99px; }
button.link:hover:not(:disabled) { background:var(--bg2); color:var(--ink); box-shadow:none; }
.error { color:var(--bad); min-height:1.5em; margin:12px 0 0; font-size:14px; }

/* ---------- Top bar ---------- */
.topbar-wrap { max-width:1040px; margin:0 auto; padding:max(16px,env(safe-area-inset-top)) 20px 0; }
.topbar { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:18px; }
.brand .mark {
  width:38px; height:38px; border-radius:50%; display:grid; place-items:center; color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2)); box-shadow:var(--shadow-sm);
}
.user { display:flex; align-items:center; gap:6px; color:var(--muted); font-size:14px; }
.user #who { max-width:40vw; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
main.wide h1 { margin-top:0; }

/* ---------- Drop strip ---------- */
.drop {
  display:flex; align-items:center; justify-content:center; gap:10px; text-align:center;
  border:1.5px dashed color-mix(in srgb, var(--accent) 40%, var(--line)); border-radius:var(--radius);
  padding:16px 18px; background:color-mix(in srgb, var(--card) 70%, transparent); color:var(--muted); font-size:15px;
  transition:border-color .15s, background .15s;
}
.drop .hint { margin:0; }
.drop-icon { display:none; }
.drop button { display:none; }
.drop.over { border-color:var(--accent); background:color-mix(in srgb, var(--accent) 10%, var(--card)); }
.drop.off { opacity:.55; pointer-events:none; }
@media (hover:none) { .drop { display:none; } }

.queue { list-style:none; margin:16px 0 0; padding:0; }
.queue:empty { display:none; }
.qrow { margin-top:12px; font-size:14px; }
.qtop { display:flex; justify-content:space-between; gap:12px; }
.qtop .name { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.qtop .status { color:var(--muted); flex:none; text-align:right; }
.qrow.ok .status { color:var(--ok); }
.qrow.fail .status { color:var(--bad); }
.bar { height:8px; background:var(--bg2); border-radius:99px; overflow:hidden; }
.bar > div { height:100%; width:0; background:linear-gradient(90deg,var(--accent),var(--accent2)); border-radius:99px; transition:width .35s ease; }
.bar.small { height:5px; margin:6px 0 0; }
.bar.warn > div { background:linear-gradient(90deg,#e0a458,#d9715a); }

/* ---------- Section header and filters ---------- */
.section-title { display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin:30px 0 4px; }
.section-title h2 { margin:0; font-size:26px; }
.section-title .count { color:var(--muted); font-size:14px; }
.tabs { display:flex; gap:6px; margin-left:auto; }
button.tab {
  width:auto; padding:6px 14px; font-size:14px; font-weight:500; color:var(--muted);
  background:transparent; border:1px solid transparent; box-shadow:none;
}
button.tab:hover:not(:disabled) { background:var(--bg2); box-shadow:none; }
button.tab.on { color:var(--ink); background:var(--card); border-color:var(--line); box-shadow:var(--shadow-sm); }
.empty { text-align:center; color:var(--muted); padding:52px 16px; border:1.5px dashed var(--line); border-radius:var(--radius); margin-top:16px; font-family:var(--serif); font-style:italic; font-size:18px; }
.empty svg { color:var(--accent); opacity:.85; margin-bottom:10px; }

/* ---------- Gallery ---------- */
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(112px,1fr)); gap:8px; margin-top:12px; }
@media (min-width:600px) { .grid { grid-template-columns:repeat(auto-fill,minmax(168px,1fr)); gap:12px; } }
.grid .group {
  grid-column:1 / -1; margin:22px 0 2px; font-size:22px; font-style:italic; color:var(--ink);
  display:flex; align-items:center; gap:14px;
}
.grid .group::after { content:""; flex:1; height:1px; background:linear-gradient(90deg,var(--line),transparent); }
.grid .group:first-child { margin-top:6px; }

button.tile {
  position:relative; display:block; width:100%; aspect-ratio:1; padding:0; overflow:hidden;
  border:0; border-radius:16px; background:var(--bg2); color:var(--muted);
  box-shadow:var(--shadow-sm); transform:none; -webkit-tap-highlight-color:transparent; user-select:none; -webkit-touch-callout:none;
}
button.tile:hover:not(:disabled) { box-shadow:var(--shadow); }
button.tile:active:not(:disabled) { transform:none; }
button.tile img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; transition:transform .25s, border-radius .15s; }
button.tile:hover img { transform:scale(1.04); }
button.tile.blank { display:grid; place-items:center; }
button.tile .ext { font-weight:700; font-size:14px; letter-spacing:.06em; }
button.tile .fname {
  position:absolute; left:8px; right:8px; bottom:8px; font-size:11px; line-height:1.25; text-align:center; color:var(--muted);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; word-break:break-word;
}
button.tile.blank .ext { margin-bottom:14px; }
button.tile .badge {
  position:absolute; right:8px; bottom:8px; min-width:26px; height:26px; padding:0 8px; border-radius:99px;
  display:grid; place-items:center; font-size:11px; color:#fff; background:rgba(40,28,30,.62);
}
button.tile .check {
  position:absolute; top:8px; left:8px; width:26px; height:26px; border-radius:99px; display:grid; place-items:center;
  font-size:14px; line-height:1; color:transparent; border:2px solid #fff; background:rgba(40,28,30,.22);
  opacity:0; transition:opacity .12s, background .12s;
}
body.selecting button.tile .check { opacity:1; }
button.tile.sel .check { color:var(--accent-ink); background:var(--accent); border-color:var(--accent); }
button.tile.sel img { transform:scale(.86); border-radius:12px; }
button.tile.sel:hover img { transform:scale(.86); }

.skeleton { margin-top:12px; }
.skeleton i { display:block; aspect-ratio:1; border-radius:16px; background:linear-gradient(100deg,var(--bg2) 30%,var(--card) 50%,var(--bg2) 70%); background-size:200% 100%; animation:shimmer 1.4s linear infinite; }
@keyframes shimmer { to { background-position:-200% 0; } }
.sentinel { height:1px; }

/* ---------- Floating add button ---------- */
button.fab {
  position:fixed; right:max(20px,env(safe-area-inset-right)); bottom:calc(22px + env(safe-area-inset-bottom)); z-index:15;
  width:60px; height:60px; padding:0; border-radius:50%; display:grid; place-items:center;
  box-shadow:0 12px 28px color-mix(in srgb, var(--accent) 42%, transparent);
}
button.fab:hover:not(:disabled) { box-shadow:0 14px 34px color-mix(in srgb, var(--accent) 52%, transparent); transform:translateY(-1px); }
body.selecting .fab { display:none; }

/* ---------- Quiet usage footer ---------- */
.quiet { max-width:260px; margin:44px auto 0; text-align:center; color:var(--muted); font-size:13px; }
.quiet .bar { height:4px; margin-top:8px; }
.quiet .pct { margin-left:6px; }

/* ---------- Pills ---------- */
button.chip {
  width:auto; padding:8px 16px; font-size:14px; font-weight:600; border-radius:99px; white-space:nowrap;
  color:var(--ink); background:var(--card); border:1px solid var(--line); box-shadow:none;
}
button.chip:hover:not(:disabled) { background:var(--bg2); box-shadow:none; }
button.chip.solid { color:var(--accent-ink); background:linear-gradient(135deg,var(--accent),var(--accent2)); border-color:transparent; }
button.chip.solid:hover:not(:disabled) { box-shadow:0 6px 16px color-mix(in srgb, var(--accent) 35%, transparent); }
button.chip.danger { color:var(--bad); }
button.chip.danger-solid { color:#fff; background:#b8453f; border-color:transparent; }
button.chip.danger-solid:hover:not(:disabled) { background:#a43a35; }

/* ---------- Selection bar ---------- */
.selbar {
  position:fixed; left:0; right:0; bottom:0; z-index:20; display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:10px;
  padding:14px 18px max(14px,env(safe-area-inset-bottom)); background:var(--card); border-top:1px solid var(--line);
  box-shadow:0 -10px 30px rgba(120,80,80,.12); border-radius:22px 22px 0 0;
}
.selbar #sel-count { font-weight:600; font-family:var(--serif); font-size:18px; }
.sel-actions { display:flex; flex-wrap:wrap; gap:8px; }
body.selecting main { padding-bottom:140px; }
body.selecting .toast { bottom:calc(104px + env(safe-area-inset-bottom)); }

/* ---------- Notice ---------- */
.locked {
  display:flex; flex-direction:column; gap:4px; margin:0 0 18px; padding:14px 18px; border-radius:18px;
  color:var(--ink); background:color-mix(in srgb, #e0a458 16%, var(--card)); border:1px solid color-mix(in srgb, #e0a458 50%, var(--line));
}

/* ---------- Toast ---------- */
.toast {
  position:fixed; left:50%; bottom:calc(96px + env(safe-area-inset-bottom)); z-index:100; max-width:min(92vw,420px);
  padding:11px 20px; border-radius:99px; font-size:14px; text-align:center; color:var(--bg); background:var(--ink);
  box-shadow:var(--shadow); opacity:0; transform:translate(-50%,8px); pointer-events:none; transition:opacity .2s, transform .2s;
}
.toast.show { opacity:1; transform:translate(-50%,0); }

/* ---------- Download history ---------- */
#history {
  width:min(92vw,460px); max-height:80vh; overflow:auto; color:var(--ink); background:var(--card);
  border:1px solid var(--line); border-radius:var(--radius); padding:20px 20px 12px; box-shadow:var(--shadow);
}
#history::backdrop { background:rgba(24,16,18,.55); }
.h-head { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:8px; }
.h-head h2 { margin:0; font-size:22px; }
#history button.close { color:var(--ink); background:var(--bg2); }
.h-list { list-style:none; margin:0; padding:0; }
.h-row { display:flex; justify-content:space-between; gap:14px; padding:12px 0; border-top:1px solid var(--line); }
.h-main { display:flex; flex-direction:column; min-width:0; }
.h-name { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.h-main small, .h-size { color:var(--muted); font-size:13px; }
.h-size { flex:none; white-space:nowrap; }
.h-empty { padding:24px 0; text-align:center; color:var(--muted); font-family:var(--serif); font-style:italic; }

/* ---------- Viewer ---------- */
dialog { border:0; padding:0; background:transparent; max-width:100vw; max-height:100vh; overflow:visible; color:#fff; }
dialog::backdrop { background:rgba(24,16,18,.94); backdrop-filter:blur(4px); }
#viewer[open] { display:flex; flex-direction:column; align-items:center; gap:12px; }
.v-top { display:flex; align-items:center; justify-content:space-between; gap:12px; width:100%; padding:0 4px; }
.v-title { display:flex; flex-direction:column; min-width:0; }
#viewer-name { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-family:var(--serif); font-size:18px; max-width:44vw; }
.v-title small { color:rgba(255,255,255,.65); }
.v-actions { display:flex; align-items:center; gap:8px; flex:none; }
.v-top button.chip { color:#fff; background:rgba(255,255,255,.13); border-color:transparent; }
.v-top button.chip:hover:not(:disabled) { background:rgba(255,255,255,.24); }
.v-top button.chip.danger { color:#ffb1ab; }
button.close { position:static; width:38px; height:38px; padding:0; border-radius:99px; color:#fff; background:rgba(255,255,255,.13); box-shadow:none; }
button.close:hover:not(:disabled) { background:rgba(255,255,255,.24); box-shadow:none; }
#viewer-body { display:grid; place-items:center; min-width:min(92vw,320px); min-height:200px; touch-action:pan-y pinch-zoom; }
#viewer-body img, #viewer-body video { max-width:96vw; max-height:80vh; display:block; border-radius:16px; box-shadow:0 24px 70px rgba(0,0,0,.55); }
.vmsg { padding:24px; text-align:center; color:rgba(255,255,255,.8); max-width:80vw; }
.spin { width:36px; height:36px; border-radius:50%; border:3px solid rgba(255,255,255,.25); border-top-color:#fff; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }
button.nav {
  position:absolute; top:50%; width:46px; height:46px; padding:0; margin-top:-23px; border-radius:99px; font-size:26px; line-height:1;
  color:#fff; background:rgba(40,28,30,.5); box-shadow:none; backdrop-filter:blur(6px);
}
button.nav.prev { left:8px; }
button.nav.next { right:8px; }
button.nav:hover:not(:disabled) { background:rgba(40,28,30,.8); box-shadow:none; }
@media (hover:none) { button.nav { display:none; } }