:root {
  color-scheme: dark;
  --bg: #0f172a;
  --card: #1e293b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --ok: #4ade80;
  --danger: #f87171;
  --border: #334155;
  --checked: #64748b;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}
.hidden { display: none !important; }
#app { max-width: 560px; margin: 0 auto; padding: 16px 16px 48px; }
.panel { background: var(--card); border-radius: 16px; padding: 24px; }
.gate { margin-top: 20vh; text-align: center; }
.gate input {
  width: 100%;
  font-size: 1.6rem;
  letter-spacing: 0.4em;
  text-align: center;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
  margin: 12px 0;
}
button {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--accent);
  color: #0f172a;
  font-weight: 600;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.primary { background: var(--ok); color: #052e16; }
.muted { color: var(--muted); font-size: 0.9rem; }
.error { color: var(--danger); }
.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
.top h1 { margin: 0; font-size: 1.35rem; }
.top-actions { display: flex; gap: 6px; }
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.seg { display: flex; background: var(--card); border-radius: 999px; padding: 3px; border: 1px solid var(--border); }
.seg-btn {
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
}
.seg-btn.active { background: var(--accent); color: #0f172a; }
.section-title {
  margin: 18px 0 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
}
.item.done { opacity: 0.55; }
.item.done .item-text { text-decoration: line-through; color: var(--checked); }
.item input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--ok); }
.item-emoji { font-size: 1.25rem; width: 1.5em; text-align: center; }
.item-text { flex: 1; font-size: 1.05rem; }
.item-tag { font-size: 0.75rem; color: var(--muted); }
.row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.cat-row {
  display: grid;
  grid-template-columns: 64px 56px 1fr 64px auto;
  gap: 6px;
  margin-bottom: 8px;
}
.cat-row input {
  width: 100%;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b1220;
  color: var(--text);
}
.empty { text-align: center; margin-top: 40px; }
.settings { margin-top: 8px; }