:root {
  --bg: #f6f3ee;
  --surface: #ffffff;
  --ink: #1f1d1a;
  --muted: #6d675f;
  --line: #e4ded4;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --dispose: #b5512f;
  --dispose-soft: #f7e3da;
  --collect: #2f7a4f;
  --collect-soft: #dcefe3;
  --notmine: #5b5f66;
  --notmine-soft: #e6e7ea;
  --warn: #9a6b00;
  --warn-soft: #fbefcf;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.05), 0 4px 16px rgb(0 0 0 / 0.05);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #211f1c;
    --ink: #f1ede6;
    --muted: #a59e93;
    --line: #36322d;
    --accent: #7fb8a4;
    --accent-ink: #10201b;
    --dispose: #ec9474;
    --dispose-soft: #3f2620;
    --collect: #7ccf9c;
    --collect-soft: #1d3527;
    --notmine: #b8bcc4;
    --notmine-soft: #31343a;
    --warn: #f0c35a;
    --warn-soft: #3b3020;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { padding-top: 12px; padding-bottom: 10px; }
.topbar-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hello { font-size: 1.15rem; font-weight: 700; margin: 0; }
.link-btn {
  background: none; border: 0; padding: 4px 0; color: var(--accent);
  font-size: 0.9rem; text-decoration: underline; text-underline-offset: 3px;
}

.progress { margin-top: 8px; }
.progress-label { font-size: 0.85rem; color: var(--muted); }
.progress-bar { height: 6px; border-radius: 99px; background: var(--line); overflow: hidden; margin-top: 4px; }
.progress-bar > span { display: block; height: 100%; background: var(--accent); transition: width .3s ease; }

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 10px 0 2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--surface);
  border-radius: 99px; padding: 6px 12px; font-size: 0.9rem; white-space: nowrap;
}
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip .count { opacity: .65; margin-left: 4px; }
.chips.filters .chip { font-weight: 600; }

/* ---------- item cards ---------- */
.bulk {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin: 16px 0 0; padding: 12px 14px; border: 1px dashed var(--line); border-radius: var(--radius);
  color: var(--muted); font-size: 0.92rem;
}
.grid {
  display: grid; gap: 16px; padding: 16px 0 48px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
}
.card {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column;
}
.card.answered { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.photo { padding: 0; border: 0; background: var(--line); aspect-ratio: 1 / 1; overflow: hidden; cursor: zoom-in; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 10px; }
.card-title { margin: 0; font-size: 1.02rem; font-weight: 650; display: flex; align-items: center; gap: 8px; }
.badge {
  font-size: 0.7rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  background: var(--warn-soft); color: var(--warn); padding: 2px 7px; border-radius: 99px;
}

.choices { display: grid; gap: 8px; }
.choice {
  display: flex; align-items: center; gap: 10px; text-align: left;
  min-height: 46px; padding: 10px 12px; border-radius: 10px;
  border: 1.5px solid var(--line); background: transparent; font-weight: 550;
  transition: background .15s, border-color .15s;
}
.choice .dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid currentColor; flex: none; opacity: .5; }
.choice[data-d="dispose"]  { color: var(--dispose); }
.choice[data-d="collect"]  { color: var(--collect); }
.choice[data-d="not_mine"] { color: var(--notmine); }
.choice span.text { color: var(--ink); }
.choice[aria-pressed="true"] { border-color: currentColor; }
.choice[aria-pressed="true"] .dot { opacity: 1; background: currentColor; box-shadow: inset 0 0 0 3px var(--surface); }
.choice[aria-pressed="true"][data-d="dispose"]  { background: var(--dispose-soft); }
.choice[aria-pressed="true"][data-d="collect"]  { background: var(--collect-soft); }
.choice[aria-pressed="true"][data-d="not_mine"] { background: var(--notmine-soft); }
.choice[aria-pressed="true"] .dot { box-shadow: inset 0 0 0 3px var(--bg); }

.others { font-size: 0.85rem; color: var(--muted); display: flex; flex-direction: column; gap: 2px; }
.others b { color: var(--ink); font-weight: 600; }
.others .q { font-style: italic; }

.note summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; list-style: none; }
.note summary::-webkit-details-marker { display: none; }
.note textarea {
  width: 100%; margin-top: 8px; min-height: 70px; resize: vertical;
  border: 1px solid var(--line); border-radius: 10px; padding: 10px; background: var(--bg);
}
.note-status { font-size: 0.8rem; color: var(--muted); min-height: 1.2em; }

.empty { text-align: center; padding: 56px 16px; color: var(--muted); }
.empty h2 { color: var(--ink); margin: 0 0 6px; }

/* ---------- buttons, forms ---------- */
.btn {
  border: 0; border-radius: 10px; padding: 12px 18px; font-weight: 650;
  background: var(--accent); color: var(--accent-ink);
}
.btn.secondary { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn.small { padding: 8px 12px; font-size: 0.9rem; }

.centre-screen { min-height: 100dvh; display: grid; place-items: center; padding: 24px 16px; }
.panel {
  width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px 22px;
}
.panel h1 { margin: 0 0 6px; font-size: 1.4rem; }
.panel p { margin: 0 0 18px; color: var(--muted); }
.panel input {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line);
  background: var(--bg); font-size: 1.05rem; margin-bottom: 12px;
}
.panel .btn { width: 100%; }
.error { color: var(--dispose); font-size: 0.9rem; min-height: 1.3em; margin-top: 8px; }

.who-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.who-grid .btn { padding: 18px; font-size: 1.1rem; }

/* ---------- lightbox & toast ---------- */
dialog.lightbox {
  border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100dvh;
  width: 100vw; height: 100dvh;
}
dialog.lightbox::backdrop { background: rgb(0 0 0 / .9); }
dialog.lightbox img { width: 100%; height: 100%; object-fit: contain; }
dialog.lightbox button {
  position: fixed; top: 12px; right: 12px; border: 0; border-radius: 99px;
  background: rgb(255 255 255 / .9); color: #111; padding: 8px 14px; font-weight: 700;
}

.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(120%);
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px;
  font-size: 0.92rem; opacity: 0; transition: .2s; z-index: 50; max-width: calc(100vw - 32px);
}
.toast.show { transform: translateX(-50%); opacity: 1; }

/* ---------- admin ---------- */
.admin h1 { margin: 20px 0 4px; }
.admin h2 { margin: 32px 0 4px; font-size: 1.15rem; }
.admin .hint { color: var(--muted); margin: 0 0 12px; font-size: 0.92rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-top: 16px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.stat .n { font-size: 1.5rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 0.85rem; }
.rows { display: flex; flex-direction: column; gap: 8px; }
.row {
  display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: start;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 8px;
}
.row img { width: 64px; height: 80px; object-fit: cover; border-radius: 8px; cursor: zoom-in; }
.row .t { font-weight: 600; }
.row .c { color: var(--muted); font-size: 0.82rem; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag { font-size: 0.8rem; padding: 2px 8px; border-radius: 99px; background: var(--line); }
.tag.dispose  { background: var(--dispose-soft); color: var(--dispose); }
.tag.collect  { background: var(--collect-soft); color: var(--collect); }
.tag.not_mine { background: var(--notmine-soft); color: var(--notmine); }
.tag.none     { background: transparent; border: 1px dashed var(--line); color: var(--muted); }
.row .q { font-size: 0.85rem; color: var(--muted); font-style: italic; margin-top: 4px; }
.links { display: flex; flex-direction: column; gap: 8px; }
.link-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.link-row code {
  flex: 1 1 260px; min-width: 0; overflow-wrap: anywhere; font-size: 0.82rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 8px;
}
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form input {
  flex: 1 1 200px; padding: 10px 12px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--surface);
}