:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --line: #e3e6ea;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --bad: #b91c1c;
  --bad-soft: #fee2e2;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --neutral-soft: #f1f5f9;
  --radius: 8px;
}

* { box-sizing: border-box; }

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

button, input, select, textarea { font: inherit; color: inherit; }

button {
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 6px;
  padding: 6px 10px;
}
button:hover { border-color: #c5cad1; background: #fafbfc; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: #1d4ed8; }
button.danger { color: var(--bad); }
button.small { padding: 2px 7px; font-size: 12px; }
button.link { border: none; background: none; color: var(--accent); padding: 0; }

input[type="text"], input[type="number"], input[type="date"], select, textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  background: #fff;
}
input:focus, select:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

header.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
header.topbar h1 { font-size: 18px; margin: 0 12px 0 0; }
header.topbar .spacer { flex: 1; }
header.topbar select { min-width: 180px; }

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

.empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  background: var(--panel);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.tabs button {
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: none;
  padding: 8px 12px;
  color: var(--muted);
}
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tabs.sub { margin-top: -4px; }
.tabs.sub button { font-size: 13px; padding: 6px 10px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 12px;
}
.panel h2 { font-size: 15px; margin: 0 0 8px; }
.panel h3 { font-size: 14px; margin: 12px 0 6px; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.toolbar .hint { color: var(--muted); font-size: 12px; }
.toolbar label { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; }

.grid-wrap { overflow-x: auto; }

table.grid {
  border-collapse: separate;
  border-spacing: 0;
  min-width: 100%;
}
table.grid th, table.grid td {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 4px 6px;
  text-align: center;
  white-space: nowrap;
}
table.grid th {
  background: var(--neutral-soft);
  font-weight: 600;
  font-size: 12px;
  position: sticky;
  top: 0;
  z-index: 2;
}
table.grid th.sub { font-weight: 400; color: var(--muted); font-size: 11px; }
table.grid th:first-child, table.grid td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--panel);
  text-align: left;
  border-left: 1px solid var(--line);
  min-width: 190px;
}
table.grid th:first-child { z-index: 3; background: var(--neutral-soft); }
table.grid tr:nth-child(even) td { background: #fbfcfd; }
table.grid tr:nth-child(even) td:first-child { background: #fbfcfd; }
table.grid td.num { font-variant-numeric: tabular-nums; }
table.grid td.total { font-weight: 600; background: var(--neutral-soft) !important; }
table.grid input[type="number"] {
  width: 64px;
  padding: 3px 4px;
  text-align: center;
}
table.grid th .col-head { display: flex; flex-direction: column; align-items: center; gap: 2px; }
table.grid th .col-head .name { max-width: 110px; overflow: hidden; text-overflow: ellipsis; }
table.grid th .col-head .actions { display: flex; gap: 2px; }
table.grid th .col-head .actions button { padding: 0 5px; font-size: 11px; line-height: 16px; }

.mark {
  width: 34px;
  height: 26px;
  padding: 0;
  border-radius: 5px;
  font-weight: 600;
  font-size: 12px;
}
.mark.P { background: var(--ok-soft); border-color: #bbf7d0; color: var(--ok); }
.mark.A, .mark.X { background: var(--bad-soft); border-color: #fecaca; color: var(--bad); }
.mark.R, .mark.M { background: var(--warn-soft); border-color: #fde68a; color: var(--warn); }
.mark.J { background: var(--accent-soft); border-color: #bfdbfe; color: var(--accent); }

.pass { color: var(--ok); background: var(--ok-soft) !important; font-weight: 600; }
.fail { color: var(--bad); background: var(--bad-soft) !important; font-weight: 600; }
.pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.muted { color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--muted); margin-top: 8px; }
.legend .mark { width: 26px; height: 20px; font-size: 11px; vertical-align: middle; margin-right: 3px; }

.form-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 10px; }
.form-row label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
.form-row label input, .form-row label select { min-width: 90px; }
.form-row label.check { flex-direction: row; align-items: center; color: var(--text); font-size: 13px; }
.weights-total { font-weight: 600; }
.weights-total.bad { color: var(--bad); }

textarea { width: 100%; min-height: 90px; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 12px; z-index: 20; overflow-y: auto;
}
.modal {
  background: var(--panel); border-radius: var(--radius);
  width: 100%; max-width: 640px; padding: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.modal h2 { margin-top: 0; }
.modal .actions { display: flex; justify-content: space-between; gap: 8px; margin-top: 14px; }
.modal .actions .right { display: flex; gap: 8px; }

.toast {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: #1f2933; color: #fff; padding: 8px 14px; border-radius: 6px;
  font-size: 13px; z-index: 30; opacity: 0; transition: opacity .2s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

@media print {
  header.topbar, .toolbar, .tabs, .legend, .no-print { display: none !important; }
  body { background: #fff; }
  main { padding: 0; max-width: none; }
  .panel { border: none; padding: 0; }
  table.grid th, table.grid td { position: static !important; }
  .print-title { display: block !important; }
}
.print-title { display: none; font-size: 16px; font-weight: 600; margin-bottom: 8px; }