:root {
  --bg: #f4f5f7; --card: #fff; --text: #1f2430; --muted: #6b7280;
  --border: #e3e6ea; --accent: #3b6fe0; --danger: #d64545; --ok: #2e9e5b;
  --r: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
       background: var(--bg); color: var(--text); }
h1, h2 { margin: 0 0 12px; font-size: 18px; }
h1 { font-size: 22px; }
a { color: var(--accent); }
.muted { color: var(--muted); font-weight: normal; font-size: 13px; }
.center { text-align: center; padding: 40px; }
.clickable { cursor: pointer; user-select: none; }

.topbar { position: sticky; top: 0; z-index: 10; background: var(--card);
  border-bottom: 1px solid var(--border); display: flex; align-items: center;
  justify-content: space-between; padding: 0 12px; }
.topbar nav { display: flex; overflow-x: auto; }
.topbar a { padding: 12px 10px; white-space: nowrap; text-decoration: none;
  color: var(--muted); border-bottom: 2px solid transparent; font-size: 14px; }
.topbar a.active { color: var(--text); border-color: var(--accent); }
.btn-link { background: none; border: none; color: var(--muted); cursor: pointer; }

main { max-width: 860px; margin: 0 auto; padding: 16px 12px 60px; }
.block { background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 16px; margin-bottom: 14px; }
.block.overdue { border-color: #f0c4c4; background: #fdf6f6; }
.page-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 14px; }

.btn, .btn-ghost, .btn-danger { border-radius: 8px; padding: 8px 14px; cursor: pointer;
  border: 1px solid transparent; font-size: 14px; text-decoration: none;
  display: inline-block; }
.btn { background: var(--accent); color: #fff; }
.btn-ghost { background: none; border-color: var(--border); color: var(--text); }
.btn-danger { background: none; border-color: var(--danger); color: var(--danger); }
.btn-sm { border: 1px solid var(--border); background: var(--card); border-radius: 6px;
  padding: 3px 8px; font-size: 12px; cursor: pointer; color: var(--text); }
.btn-danger.btn-sm { border-color: #e8b8b8; color: var(--danger); }

.task { display: flex; align-items: flex-start; gap: 10px; padding: 8px 8px 8px 10px;
  border-left: 3px solid transparent; border-bottom: 1px solid var(--border); }
.task:last-child { border-bottom: none; }
.task.prio-high { border-left-color: var(--danger); }
.task.prio-medium { border-left-color: #e0a53b; }
.task.prio-low { border-left-color: #b9c0ca; }
.task input[type=checkbox] { margin-top: 4px; width: 17px; height: 17px; }
.task-body { flex: 1; cursor: pointer; min-width: 0; }
.task.done .task-title { text-decoration: line-through; color: var(--muted); }
.task-meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: 12px;
  color: var(--muted); margin-top: 2px; align-items: center; }
.chip { color: #fff; border-radius: 20px; padding: 1px 8px; font-size: 11px; }
.task-actions { display: flex; gap: 6px; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters select, .search { border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 8px; background: var(--card); font-size: 13px; }
.search { flex: 1; min-width: 160px; }

.overlay { position: fixed; inset: 0; background: rgba(20, 24, 33, .45);
  display: flex; align-items: flex-start; justify-content: center; z-index: 50;
  padding: 30px 12px; overflow-y: auto; }
.modal { width: 100%; max-width: 480px; }
.modal-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
label { display: block; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
label.inline { display: flex; align-items: center; gap: 8px; color: var(--text); }
input, select, textarea { display: block; width: 100%; margin-top: 3px; padding: 8px;
  border: 1px solid var(--border); border-radius: 8px; font: inherit;
  background: var(--card); color: var(--text); }
input[type=checkbox], input[type=color] { display: inline-block; width: auto; }
.row { display: flex; gap: 12px; }
.row > label { flex: 1; }
.error { color: var(--danger); margin-bottom: 10px; }

.login-wrap { display: flex; justify-content: center; padding-top: 10vh; }
.login { width: 100%; max-width: 340px; }

.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: #2a3040; color: #fff; padding: 10px 18px; border-radius: 10px;
  font-size: 14px; z-index: 99; max-width: 90%; }

.cal-head { justify-content: center; }
.cal-head h2 { margin: 0; min-width: 170px; text-align: center; }
.cal-wrap { padding: 8px; overflow-x: auto; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); min-width: 560px; }
.cal-dayname { text-align: center; font-size: 12px; color: var(--muted); padding: 4px; }
.cal-cell { border: 1px solid var(--border); min-height: 84px; padding: 3px;
  font-size: 11px; cursor: pointer; overflow: hidden; }
.cal-cell.empty { background: var(--bg); cursor: default; }
.cal-cell.today { outline: 2px solid var(--accent); outline-offset: -2px; }
.cal-cell.selected { background: #eef3ff; }
.cal-num { font-weight: 600; font-size: 12px; margin-bottom: 2px; }
.cal-chip { color: #fff; border-radius: 4px; padding: 0 4px; margin-bottom: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cal-chip.done { opacity: .45; text-decoration: line-through; }
.cal-more { font-size: 10px; }

.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quad { margin-bottom: 0; }
@media (max-width: 700px) { .matrix { grid-template-columns: 1fr; } .row { flex-wrap: wrap; } }

.cat-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.cat-name { flex: 1; margin-top: 0; }
.cat-order { width: 64px; margin-top: 0; }
.rec-row { display: flex; gap: 8px; align-items: center; padding: 8px 0;
  border-bottom: 1px solid var(--border); }
.rec-info { flex: 1; cursor: pointer; }
.rec-row.inactive .rec-info { opacity: .5; }
.rec-form { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; }
.weekday-row { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 10px; }
.weekday { display: flex; align-items: center; gap: 4px; border: 1px solid var(--border);
  border-radius: 8px; padding: 4px 8px; color: var(--text); margin: 0; }