:root{
  --bg: #0f0f12;
  --card: #17171c;
  --text: #e8e8ea;
  --muted: #a9a9b2;
  --btn: #2a2a33;
  --primary: #2f7af8;
  --danger: #ff4d4f;
  --ok: #3ccf78;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root{ --bg:#f6f6f8; --card:#ffffff; --text:#111114; --muted:#5b5b66; --btn:#ececf3; }
}

body{ margin:0; background:var(--bg); color:var(--text); }
.wrap{ max-width:720px; margin:0 auto; padding:16px; }
.top{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.sub{ color:var(--muted); font-size:13px; margin-top:2px; }

.card{ background:var(--card); border-radius:14px; padding:14px; margin-top:12px; box-shadow: 0 1px 0 rgba(0,0,0,.08); }
.row{ display:flex; gap:10px; align-items:center; }
.between{ justify-content:space-between; }

h1{ font-size:20px; margin:0; }
h2{ font-size:16px; margin:0; }
.hint{ color:var(--muted); font-size:12px; }

.input{ flex:1; border-radius:12px; border:1px solid rgba(127,127,140,.25); padding:10px 12px; background:transparent; color:var(--text); outline:none; }

.btn{ border:0; border-radius:12px; padding:10px 12px; background:var(--btn); color:var(--text); cursor:pointer; }
.btn.primary{ background:var(--primary); color:white; }
.btn.danger{ background: rgba(255,77,79,.12); color: var(--danger); }

.list{ display:flex; flex-direction:column; gap:8px; margin-top:10px; }
.item{ display:flex; align-items:center; justify-content:space-between; gap:10px; padding:10px 12px; border-radius:12px; border:1px solid rgba(127,127,140,.18); }
.item.done{ opacity:.65; }
.item .title{ display:flex; gap:10px; align-items:center; }
.badge{ font-size:12px; color:var(--muted); }

.foot{ color:var(--muted); margin-top:12px; }