:root {
  --bg: #f7f4ed;
  --panel: #fffdfa;
  --panel-2: #f1ece0;
  --border: #e3dcc8;
  --text: #2f2b22;
  --text-dim: #8a8170;
  --accent: #3d6fb4;
  --green: #2e8b57;
  --red: #c0392b;
  --amber: #a8731f;
  font-size: 14px;
}

* { box-sizing: border-box; }

.trend-bar {
  height: 8px;
  min-width: 2px;
  background: var(--accent);
  border-radius: 4px;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(60, 50, 30, 0.06);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-weight: 700; font-size: 16px; white-space: nowrap; }

#nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; min-width: 0; }

#nav button {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 8px 11px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
}
#nav button:hover { background: var(--panel-2); color: var(--text); }
#nav button.active { background: var(--accent); color: white; }

.ghost-btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}
.ghost-btn:hover { border-color: var(--accent); }
.ghost-btn:disabled { opacity: .5; cursor: default; }

main { padding: 20px 24px 60px; max-width: 1400px; margin: 0 auto; }

h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--text); }

.cards { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 150px;
  box-shadow: 0 1px 4px rgba(60, 50, 30, 0.05);
}
.card .num { font-size: 26px; font-weight: 700; }
.card .label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar input[type=text], .toolbar input[type=number], .toolbar select, .toolbar input[type=date] {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
}
.toolbar input[type=text] { min-width: 240px; }

.search-dropdown {
  position: absolute;
  z-index: 20;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 2px;
  max-height: 220px;
  overflow-y: auto;
  min-width: 240px;
}
.search-dropdown:empty { display: none; }
.search-dropdown-item { padding: 8px 12px; cursor: pointer; font-size: 14px; }
.search-dropdown-item:hover { background: var(--panel); }

main { overflow-x: auto; position: relative; }
table { width: 100%; min-width: 920px; border-collapse: collapse; background: var(--panel); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 4px rgba(60, 50, 30, 0.05); }
thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-dim);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--panel-2); }
.num-col { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.change-up { color: var(--red); font-weight: 600; }
.change-down { color: var(--green); font-weight: 600; }
.change-flat { color: var(--text-dim); }

.history-row td { background: var(--bg); padding: 0; }

.group-header td {
  background: var(--panel-2);
  font-weight: 600;
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .03em;
  padding: 6px 14px;
}
.history-wrap { padding: 10px 14px 16px 30px; }
.history-wrap table { background: var(--panel-2); }

.muted { color: var(--text-dim); }
.empty { color: var(--text-dim); padding: 30px; text-align: center; }

a.pdf-link { color: var(--accent); text-decoration: none; }
a.pdf-link:hover { text-decoration: underline; }

#toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel-2);
  border: 1px solid var(--accent);
  padding: 12px 18px;
  border-radius: 10px;
  display: none;
  max-width: 420px;
  white-space: pre-line;
  font-size: 13px;
  z-index: 100;
}

.expand-icon { display: inline-block; width: 14px; color: var(--text-dim); }

.dish-detail { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin-top: 16px; box-shadow: 0 1px 4px rgba(60, 50, 30, 0.05); }
.dish-detail .summary { display: flex; gap: 24px; margin-bottom: 14px; flex-wrap: wrap; }
.dish-detail .summary div { font-size: 13px; color: var(--text-dim); }
.dish-detail .summary b { color: var(--text); font-size: 15px; }

.source-tag { font-size: 10px; padding: 1px 6px; border-radius: 6px; background: var(--panel-2); color: var(--text-dim); margin-left: 6px; }
.source-tag.missing { color: var(--amber); border: 1px solid var(--amber); }

.restaurant-switcher { display: flex; align-items: center; gap: 6px; }
.restaurant-switcher select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}
.restaurant-switcher button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
}
.restaurant-switcher button:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Responsywnosc ---------- */
@media (max-width: 900px) {
  /* topbar na 2 wiersze: gora = marka/restauracja/import, dol = nav na cala
     szerokosc (przewijalny w bok) - przy jednym wierszu nav dostawal 0px
     szerokosci, bo pozostale elementy (select/przyciski) nie chcialy sie
     skurczyc i zabieraly cala dostepna przestrzen. */
  .topbar { flex-wrap: wrap; gap: 8px 12px; padding: 10px 14px; }
  .brand { order: 1; }
  .restaurant-switcher { order: 2; }
  #importBtn { order: 3; margin-left: auto; }
  #nav {
    order: 4;
    flex: 1 1 100%;
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  #nav button { white-space: nowrap; }
  .ghost-btn { white-space: nowrap; }
  main { padding: 16px 14px 50px; }
}

@media (max-width: 640px) {
  .brand { font-size: 14px; }
  #nav button { padding: 7px 10px; font-size: 13px; }
  .ghost-btn { padding: 7px 10px; font-size: 13px; }
  main { padding: 14px 10px 50px; }
  h1 { font-size: 17px; }
  h2 { font-size: 15px; }

  .cards { gap: 8px; }
  .card { min-width: 0; flex: 1 1 calc(50% - 8px); padding: 10px 12px; }
  .card .num { font-size: 21px; }

  .toolbar { gap: 8px; }
  .toolbar input[type=text] { min-width: 0; flex: 1 1 100%; }

  table { font-size: 13px; }
  thead th, tbody td { padding: 8px 10px; }
  .history-wrap { padding: 8px 10px 12px 18px; }

  .restaurant-switcher select { font-size: 12px; padding: 6px 8px; }
  .restaurant-switcher button { width: 26px; height: 26px; font-size: 13px; }

  #toast { left: 14px; right: 14px; max-width: none; }
}

@media (max-width: 420px) {
  .card { flex: 1 1 100%; }
}

/* ---------- Arkusze kalkulacyjne ---------- */
.sh-toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.sh-toolbar input[type=text] {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 8px; font-size: 14px; font-weight: 600; min-width: 200px;
}
.sh-toolbar .ghost-btn { padding: 7px 10px; }
.sh-sep { width: 1px; height: 22px; background: var(--border); }

.sh-formula-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.sh-cell-ref { font-weight: 700; min-width: 40px; color: var(--accent); }
.sh-formula-bar input[type=text] {
  flex: 1; background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 8px 12px; border-radius: 8px; font-size: 14px; font-family: "Consolas", monospace;
}

.sh-grid-wrap { overflow: auto; max-height: 70vh; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); }
table.sh-grid { width: auto; min-width: 0; border-collapse: collapse; border-radius: 0; box-shadow: none; }
table.sh-grid th, table.sh-grid td { border: 1px solid var(--border); padding: 0; }
table.sh-grid thead th { position: sticky; top: 0; background: var(--panel-2); z-index: 2; }
.sh-corner { position: sticky; left: 0; z-index: 3; background: var(--panel-2); }
.sh-colhead { min-width: 90px; padding: 4px 6px; font-size: 11px; color: var(--text-dim); text-align: center; }
.sh-rowhead {
  position: sticky; left: 0; background: var(--panel-2); z-index: 1;
  font-size: 11px; color: var(--text-dim); padding: 4px 8px; text-align: center; min-width: 32px;
}
td.sh-cell {
  min-width: 90px; height: 28px; padding: 0; font-size: 13px;
  max-width: 220px;
}
td.sh-cell.sh-selected { outline: 2px solid var(--accent); outline-offset: -2px; z-index: 1; position: relative; }
td.sh-cell.sh-in-range { background: rgba(61, 111, 180, 0.14); }
.sh-hint { font-size: 12px; margin: -4px 0 10px; }
td.sh-cell input.sh-input {
  width: 100%; height: 28px; border: none; outline: none; background: transparent;
  color: var(--text); font: inherit; padding: 4px 8px; box-sizing: border-box; cursor: cell;
}
td.sh-cell input.sh-input:focus { background: var(--panel-2); cursor: text; }
td.sh-cell.sh-bold input.sh-input { font-weight: 700; }
td.sh-cell.sh-italic input.sh-input { font-style: italic; }
td.sh-cell.sh-align-left input.sh-input { text-align: left; }
td.sh-cell.sh-align-center input.sh-input { text-align: center; }
td.sh-cell.sh-align-right input.sh-input { text-align: right; }