:root {
  --bg: var(--tg-theme-secondary-bg-color, #f1f2f6);
  --card: var(--tg-theme-section-bg-color, var(--tg-theme-bg-color, #ffffff));
  --text: var(--tg-theme-text-color, #111111);
  --hint: var(--tg-theme-hint-color, #8a8f98);
  --accent: var(--tg-theme-button-color, #2f80ed);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: var(--tg-theme-destructive-text-color, #e5484d);
  --line: color-mix(in srgb, var(--hint) 25%, transparent);
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(80px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.top { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 10px 12px 6px; }
.tabs { display: flex; background: var(--card); border-radius: 10px; padding: 3px; }
.tabs button { flex: 1; border: 0; background: none; padding: 8px; border-radius: 8px; font-weight: 600; color: var(--hint); }
.tabs button.on { background: var(--accent); color: var(--accent-text); }

main { padding: 0 12px; }
.filters { display: flex; flex-direction: column; gap: 8px; margin: 6px 0 10px; }
.chips { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 5px 12px; white-space: nowrap; }
.chip.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; min-width: 0; }

select, input, textarea {
  width: 100%; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; outline: none;
}
textarea { resize: vertical; min-height: 90px; }
select:focus, input:focus, textarea:focus { border-color: var(--accent); }

.list { display: flex; flex-direction: column; gap: 8px; }
.card { background: var(--card); border-radius: var(--radius); padding: 10px 12px; }
.card.done .text { text-decoration: line-through; color: var(--hint); }
.card-top { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--hint); }
.card-top .badge { margin-left: auto; }
.text { margin: 4px 0; white-space: pre-wrap; word-break: break-word; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.meta { font-size: 13px; color: var(--hint); }
.badge { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--line); color: var(--text); }
.s-doing { background: color-mix(in srgb, var(--accent) 20%, transparent); }
.s-done { background: color-mix(in srgb, #30a46c 25%, transparent); }
.pending { background: color-mix(in srgb, #f5a524 30%, transparent); }

.summary { display: flex; gap: 8px; margin: 6px 0 4px; }
.summary div { flex: 1; background: var(--card); border-radius: var(--radius); padding: 10px; text-align: center; }
.summary b { display: block; font-size: 22px; }
.summary span { font-size: 12px; color: var(--hint); }

.group { margin-bottom: 14px; }
.group-head { display: flex; justify-content: space-between; align-items: center; padding: 4px 4px 6px; font-weight: 600; }
.group-head .count { font-size: 13px; color: var(--hint); font-weight: 400; }

.empty { text-align: center; color: var(--hint); padding: 40px 16px; }
.hint { color: var(--hint); font-size: 13px; margin: 6px 2px 12px; }

.fab {
  position: fixed; right: 16px; bottom: calc(20px + env(safe-area-inset-bottom));
  width: 56px; height: 56px; border-radius: 50%; border: 0; font-size: 28px;
  background: var(--accent); color: var(--accent-text); box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
}

.person { display: flex; align-items: center; gap: 8px; background: var(--card); border-radius: var(--radius); padding: 10px 12px; }
.pinfo { flex: 1; min-width: 0; }
.pname { font-weight: 600; }
.icon { border: 0; background: var(--line); border-radius: 8px; width: 36px; height: 36px; }

.add { display: flex; flex-direction: column; gap: 8px; background: var(--card); border-radius: var(--radius); padding: 12px; margin-top: 6px; }

.btn { display: block; width: 100%; border: 0; border-radius: 10px; padding: 11px; font-weight: 600; background: var(--line); margin-top: 8px; }
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn.danger { background: none; color: var(--danger); }
.btn.ghost { background: none; color: var(--hint); }
.btn:disabled { opacity: .5; }

.sheet { position: fixed; inset: 0; z-index: 20; background: rgba(0, 0, 0, .4); display: flex; align-items: flex-end; }
.sheet.hidden { display: none; }
.sheet-body {
  width: 100%; max-height: 92vh; overflow-y: auto; background: var(--bg);
  border-radius: 16px 16px 0 0; padding: 16px 14px calc(16px + env(safe-area-inset-bottom));
}
.sheet h2 { margin: 0 0 10px; font-size: 18px; }
.sheet h3 { margin: 18px 0 6px; font-size: 15px; }
.sheet label { display: block; font-size: 13px; color: var(--hint); margin: 12px 2px 4px; }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button { flex: 1 1 auto; border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 7px 8px; white-space: nowrap; }
.seg button.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.history { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.history .when { color: var(--hint); margin-right: 6px; }

.toast {
  position: fixed; left: 50%; bottom: calc(90px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 30;
  background: rgba(0, 0, 0, .8); color: #fff; padding: 8px 14px; border-radius: 10px; max-width: 90vw; text-align: center;
}
.toast.hidden { display: none; }