/* Monitor cen - panel. Jeden plik, bez frameworka; kolory jako zmienne,
   zeby motyw ciemny byl tylko podmiana wartosci. */

:root {
  --bg: #f6f7f9; --card: #fff; --text: #16191d; --muted: #6b7280;
  --line: #e3e6ea; --up: #c0392b; --down: #1e8449; --even: #7a7f87;
  --accent: #1f6feb; --ok: #1e8449; --err: #c0392b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a; --card: #1c2024; --text: #e8eaed; --muted: #9aa3ad;
    --line: #2c3238; --up: #ff6b5e; --down: #4ade80; --even: #9aa3ad;
    --accent: #5b9cff; --ok: #4ade80; --err: #ff6b5e;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, Consolas, monospace; font-size: .93em; }

/* ------------------------------------------------------------------ nawigacja */
.nav {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 22px; background: var(--card); border-bottom: 1px solid var(--line);
}
.nav .brand { font-weight: 700; color: var(--text); }
.nav a.on { font-weight: 600; border-bottom: 2px solid var(--accent); }
.nav .spacer { flex: 1; }
.nav .who { color: var(--muted); font-size: 13px; }
.inline { display: inline; }
button.link {
  background: none; border: 0; color: var(--accent); cursor: pointer;
  font-size: 14px; padding: 0;
}

.wrap { max-width: 1240px; margin: 0 auto; padding: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.card.narrow { max-width: 420px; margin: 8vh auto; }

h1 { font-size: 20px; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 26px 0 10px; }
.sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* ---------------------------------------------------------------- komunikaty */
.ok, .err {
  border-radius: 8px; padding: 10px 14px; margin: 0 0 16px;
}
.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.err { background: color-mix(in srgb, var(--err) 14%, transparent); color: var(--err); }
.err ul { margin: 6px 0 0 18px; }

/* -------------------------------------------------------------- formularze */
label { display: block; margin: 12px 0; }
label > span { display: block; margin-bottom: 4px; font-weight: 500; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=search], select {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 14px;
}
input[type=checkbox] { width: auto; }
fieldset {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px 18px; margin: 0 0 16px;
}
legend {
  padding: 0 6px; color: var(--muted); font-size: 12px;
  text-transform: uppercase; letter-spacing: .05em;
}
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 16px 0; }
button, .btn {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 16px; font-size: 14px; cursor: pointer;
  text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.go { background: var(--ok); color: #fff; border-color: var(--ok); }
button.danger { background: var(--err); color: #fff; border-color: var(--err); }
button.primary:hover, button.go:hover, button.danger:hover { color: #fff; opacity: .9; }
button.mini { padding: 5px 10px; font-size: 12px; }

/* ------------------------------------------------------------------ raport */
.kpis { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 14px; }
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; min-width: 132px;
}
.kpi b { display: block; font-size: 20px; line-height: 1.2; }
.kpi span {
  color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
}
.bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 14px; }
.bar input[type=search] { min-width: 240px; flex: 1; }
.bar select { width: auto; }
.count { color: var(--muted); font-size: 12px; }

.tablecard {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; overflow-x: auto;
}
table { border-collapse: collapse; width: 100%; }
#tbl { min-width: 980px; }
th, td {
  padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line);
  white-space: nowrap; vertical-align: top;
}
th {
  position: sticky; top: 0; background: var(--card); font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em; color: var(--muted); z-index: 2;
}
th.num, td.num { text-align: right; }
td.name { white-space: normal; min-width: 260px; }
tr.row { cursor: pointer; }
tr.row:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
tr.row.sold td:not(.name) { opacity: .55; }
.sku { color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.up { color: var(--up); font-weight: 600; }
.down { color: var(--down); font-weight: 600; }
.even { color: var(--even); }
.na { color: var(--muted); }
.strike { text-decoration: line-through; }
.oos {
  display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: 99px;
  font-size: 11px; font-weight: 600; vertical-align: middle;
  background: color-mix(in srgb, var(--up) 16%, transparent); color: var(--up);
}
.hist td { background: var(--bg); padding: 14px 18px; white-space: normal; }
.legend { display: flex; gap: 16px; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }
.empty { padding: 26px; text-align: center; color: var(--muted); }

/* -------------------------------------------------------------- propozycje */
.proposals td, .proposals th { white-space: normal; }
.proposals td.num, .proposals th.num { white-space: nowrap; }
.proposals { font-size: 13px; }
.reason { color: var(--muted); font-size: 12px; max-width: 260px; }
.log {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; font-family: ui-monospace, Consolas, monospace; font-size: 12px;
  white-space: pre-wrap; max-height: 320px; overflow: auto;
}

@media (max-width: 720px) {
  .wrap { padding: 14px; }
  .nav { padding: 10px 14px; gap: 10px; }
}