* { box-sizing: border-box; }

:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --border: #dde3ea;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --accent: #047857;
  --usek-bg: #e8eef7;
  --odd-bg: #f3f6fa;
  --danger: #b91c1c;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-weight: normal; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar h1 { margin: 0; font-size: 18px; }
.topbar-actions { display: flex; gap: 8px; }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.btn:hover:not(:disabled) { background: #eef2f7; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark) !important; }
.btn-small { padding: 4px 10px; font-size: 12px; }
.btn-danger { color: var(--danger); }

.dropzone {
  margin: 40px auto;
  max-width: 640px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  background: var(--panel);
  padding: 60px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.dragover { border-color: var(--primary); background: #eff6ff; }
.dropzone-icon { font-size: 48px; margin-bottom: 8px; }
.dropzone.compact { margin: 12px 24px; padding: 10px; }
.dropzone.compact .dropzone-icon, .dropzone.compact p { display: none; }

main { padding: 16px 24px 60px; max-width: 1400px; margin: 0 auto; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 16px;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.panel-header h2 { margin: 0; font-size: 15px; }
.hint { margin: 0 0 12px; font-size: 12.5px; }

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px 20px;
}
.setting { display: flex; flex-direction: column; gap: 4px; }
.setting > label { font-size: 12px; font-weight: 600; color: var(--muted); }
.setting select, .setting input[type=text], .setting input[type=number], .setting input[type=date] {
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
}
.setting-checks { justify-content: flex-end; gap: 8px; }
.setting-checks label { font-size: 13px; font-weight: normal; color: var(--text); display: flex; align-items: center; gap: 6px; }
.setting-wide { grid-column: 1 / -1; }
.pp-checks { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.pp-checks label { font-size: 13px; display: flex; align-items: center; gap: 5px; }

.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
}
.card-label { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.card-value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.card-accent { border-color: var(--accent); }
.card-accent .card-value { color: var(--accent); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; background: var(--panel); }
.num { text-align: right; }
.col-name { min-width: 320px; }

.row-usek td { background: var(--usek-bg); font-weight: 700; cursor: default; }
.row-odd td { background: var(--odd-bg); font-weight: 600; }
.row-poz td { background: #fff; }
.row-total td { font-weight: 700; border-top: 2px solid var(--text); font-size: 14px; }

.indent-1 { padding-left: 32px !important; }
.indent-2 { padding-left: 58px !important; }

.toggle {
  display: inline-block;
  width: 18px;
  cursor: pointer;
  color: var(--muted);
  user-select: none;
}

.poz-name { cursor: pointer; }
.poz-name:hover { text-decoration: underline; }

.rate-input {
  width: 110px;
  padding: 4px 7px;
  border: 1px solid var(--border);
  border-radius: 5px;
  text-align: right;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  background: #fff;
}
.rate-input:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.rate-input::placeholder { color: #9ca3af; }
.rate-input.has-value { border-color: var(--primary); background: #eff6ff; font-weight: 600; }

.cell-computed { color: var(--text); }
.cell-computed.zero { color: #b6bcc6; }
.cell-odvody { font-weight: 600; }

.row-people td { background: #fbfcfe; padding: 0 10px 10px; }
.people-list {
  margin: 4px 0 0 58px;
  font-size: 12.5px;
  color: var(--muted);
  columns: 3;
  column-gap: 32px;
}
.people-list div { break-inside: avoid; padding: 1px 0; }
.people-list b { color: var(--text); font-weight: 500; }

@media (max-width: 900px) {
  .people-list { columns: 1; }
  main { padding: 10px; }
}