:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #1a1a1a);
  --hint: var(--tg-theme-hint-color, #8a8a8a);
  --card: var(--tg-theme-secondary-bg-color, #f3f4f6);
  --accent: var(--tg-theme-button-color, #2f7bea);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --border: rgba(128, 128, 128, 0.22);
  --red: #e0533d;
  --green: #2faf5b;
  --amber: #d79a23;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: 24px;
}

.tabs { display: flex; gap: 8px; padding: 12px; position: sticky; top: 0; background: var(--bg); z-index: 5; }
.tab {
  flex: 1; padding: 9px 10px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--card); color: var(--text); font-weight: 600; cursor: pointer;
}
.tab.active { background: var(--accent); color: var(--accent-text); border-color: transparent; }

section { padding: 0 12px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.filters select, .filters input {
  flex: 1 1 140px; min-width: 0; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 9px; background: var(--card); color: var(--text); font-size: 14px;
}
.filters .dates { display: flex; gap: 8px; flex: 1 1 100%; }
.filters .dates input { flex: 1; }
.ghost { flex: 0 0 auto; background: transparent; border: 1px solid var(--border); border-radius: 9px;
  color: var(--hint); padding: 8px 12px; cursor: pointer; }

.muted { color: var(--hint); font-size: 13px; margin: 4px 2px 10px; }

.card {
  border: 1px solid var(--border); border-left-width: 4px; border-radius: 12px;
  background: var(--card); padding: 11px 12px; margin-bottom: 9px;
}
.card.s-overdue { border-left-color: var(--red); }
.card.s-completed { border-left-color: var(--green); }
.card.s-pending { border-left-color: var(--accent); }
.card.s-cancelled { border-left-color: var(--hint); opacity: 0.75; }

.card .row1 { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.card .id { color: var(--hint); font-variant-numeric: tabular-nums; font-size: 13px; }
.card .title { font-weight: 600; }
.card .meta { color: var(--hint); font-size: 13px; margin-top: 5px; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.card .desc { font-size: 13.5px; margin-top: 6px; white-space: pre-wrap; }
.card .result { font-size: 13px; margin-top: 6px; color: var(--text); background: rgba(47,175,91,0.10); padding: 6px 8px; border-radius: 8px; }

.badge { font-size: 11.5px; padding: 1px 7px; border-radius: 20px; font-weight: 600; }
.b-overdue { background: rgba(224,83,61,0.16); color: var(--red); }
.b-completed { background: rgba(47,175,91,0.16); color: var(--green); }
.b-pending { background: rgba(47,123,234,0.16); color: var(--accent); }
.b-cancelled { background: rgba(138,138,138,0.18); color: var(--hint); }

/* users / admin */
.user {
  border: 1px solid var(--border); border-radius: 12px; background: var(--card);
  padding: 11px 12px; margin-bottom: 9px;
}
.user.inactive { opacity: 0.6; }
.user .uname { font-weight: 600; }
.user .upos { color: var(--hint); font-size: 13px; }
.user .controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 9px; align-items: center; }
.user select { padding: 7px 9px; border: 1px solid var(--border); border-radius: 9px; background: var(--bg); color: var(--text); }
.user label.chk { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--hint); }
.btn-danger { background: transparent; border: 1px solid var(--red); color: var(--red); border-radius: 9px; padding: 7px 11px; cursor: pointer; }
.btn-warn { background: transparent; border: 1px solid var(--amber); color: var(--amber); border-radius: 9px; padding: 7px 11px; cursor: pointer; }

.toast {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  background: rgba(0,0,0,0.85); color: #fff; padding: 9px 16px; border-radius: 20px; font-size: 14px; z-index: 50;
}
.empty { text-align: center; color: var(--hint); padding: 40px 0; }