:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ed;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6d68;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --accent-soft: #e5effb;
  --good: #0ca30c;
  --good-ink: #006300;
  --good-soft: #e3f4e3;
  --warning: #fab219;
  --warning-ink: #7a5200;
  --warning-soft: #fdf1d6;
  --critical: #d03b3b;
  --critical-ink: #a42727;
  --critical-soft: #fbe4e4;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #9a988f; --grid: #2c2c2a; --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5; --accent-soft: #1b2a3d;
    --good-ink: #0ca30c; --good-soft: #142814; --warning-ink: #fab219; --warning-soft: #2e2510;
    --critical-ink: #e66767; --critical-soft: #331b1b;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #9a988f; --grid: #2c2c2a; --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5; --accent-soft: #1b2a3d;
  --good-ink: #0ca30c; --good-soft: #142814; --warning-ink: #fab219; --warning-soft: #2e2510;
  --critical-ink: #e66767; --critical-soft: #331b1b;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font-size: 14px; line-height: 1.45; }
[hidden] { display: none !important; }
h1 { font-size: 22px; margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0; font-weight: 600; }
h3 { font-size: 14px; margin: 18px 0 8px; font-weight: 600; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12.5px; }
.mt { margin-top: 18px; }
.nowrap { white-space: nowrap; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.sm-label { display: none; }

/* układ */
.layout { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.nav { position: sticky; top: 0; height: 100vh; padding: 18px 12px; border-right: 1px solid var(--border);
  background: var(--surface); display: flex; flex-direction: column; gap: 2px; }
.brand { font-weight: 700; font-size: 18px; padding: 4px 10px 18px; display: flex; align-items: center; gap: 8px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--ink-2);
  text-decoration: none; font-weight: 500; }
.nav a:hover { background: var(--surface-2); color: var(--ink); }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.ico { width: 18px; text-align: center; font-size: 15px; }
main { padding: 24px 28px 60px; max-width: 1400px; width: 100%; min-width: 0; }
.view-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.actions, .button-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.actions select { width: auto; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--axis); display: inline-block; }
.dot.ok { background: var(--good); }
.dot.warn { background: var(--warning); }
.dot.bad { background: var(--critical); }

/* elementy */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
  box-shadow: var(--shadow); min-width: 0; }
.card.flush { padding: 0; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.link { font-size: 13px; text-decoration: none; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 16px; align-items: start; }
.btn { appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--ink);
  padding: 7px 13px; border-radius: 8px; font: inherit; font-weight: 500; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; min-height: 34px; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--critical-ink); }
.btn.sm { padding: 3px 8px; min-height: 28px; font-size: 12.5px; }
.btn:disabled { opacity: 0.5; cursor: default; }
.icon-btn { border: 0; background: none; color: var(--muted); font-size: 16px; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--axis);
  border-radius: 7px; padding: 7px 9px; min-height: 34px; width: 100%; }
textarea { resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible, .nav a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="checkbox"] { width: 16px; height: 16px; min-height: 0; accent-color: var(--accent); margin: 0; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-2); font-weight: 500; }
label.check { flex-direction: row; align-items: center; gap: 7px; color: var(--ink); white-space: nowrap; }
.hint { color: var(--muted); font-size: 12.5px; margin: 4px 0 0; }
.form-error { color: var(--critical-ink); min-height: 1em; margin: 8px 0 0; font-weight: 500; }

.badge { display: inline-flex; align-items: center; gap: 3px; font-size: 11.5px; font-weight: 600; padding: 1px 7px;
  border-radius: 999px; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.badge.good { background: var(--good-soft); color: var(--good-ink); }
.badge.warn { background: var(--warning-soft); color: var(--warning-ink); }
.badge.bad { background: var(--critical-soft); color: var(--critical-ink); }
.badge.info { background: var(--accent-soft); color: var(--accent); }
.pos { color: var(--good-ink); }
.neg { color: var(--critical-ink); }

.banner { border-radius: var(--radius); padding: 10px 14px; margin-bottom: 14px; font-weight: 500;
  background: var(--warning-soft); color: var(--warning-ink); border: 1px solid var(--border); }
.banner.bad { background: var(--critical-soft); color: var(--critical-ink); }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi .label { color: var(--ink-2); font-size: 12.5px; font-weight: 500; }
.kpi .value { font-size: 26px; font-weight: 650; margin-top: 2px; letter-spacing: -0.01em; }
.kpi .sub { color: var(--muted); font-size: 12px; }
.small-kpis .kpi .value { font-size: 20px; }

/* listy ofert */
.offer-list { display: flex; flex-direction: column; }
.offer { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 10px 0; border-top: 1px solid var(--grid); }
.offer:first-child { border-top: 0; padding-top: 0; }
.offer-title { font-weight: 550; color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
a.offer-title:hover { text-decoration: underline; }
.offer-meta { color: var(--muted); font-size: 12.5px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.offer-price { text-align: right; font-weight: 650; font-size: 16px; font-variant-numeric: tabular-nums; }
.offer-price .sub { display: block; font-size: 12px; font-weight: 500; }
.empty { color: var(--muted); padding: 24px; text-align: center; }

/* tabele */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; padding: 9px 10px;
  border-bottom: 1px solid var(--axis); white-space: nowrap; background: var(--surface); position: sticky; top: 0; }
.table td { padding: 9px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: var(--surface-2); }
.table th.num, .table td.num { text-align: right; }
.table .title-cell { min-width: 240px; max-width: 460px; }
.table .row-actions { display: flex; gap: 4px; justify-content: flex-end; }
tr.is-hot td:first-child { box-shadow: inset 3px 0 0 var(--good); }
tr.is-dim td { opacity: 0.55; }

/* filtry */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; align-items: center; }
.filters select, .filters input[type="search"] { width: auto; min-width: 140px; }
.filters input[type="search"] { flex: 1 1 200px; }

/* produkty */
.watch-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.watch-card { display: flex; flex-direction: column; gap: 10px; }
.watch-card.off { opacity: 0.6; }
.watch-card .top { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.watch-card .q { color: var(--muted); font-size: 12.5px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.stat-row div { background: var(--surface-2); border-radius: 8px; padding: 6px 8px; }
.stat-row b { display: block; font-size: 15px; font-variant-numeric: tabular-nums; }
.stat-row span { font-size: 11.5px; color: var(--muted); }
.range { position: relative; height: 26px; margin: 4px 0 2px; }
.range .bar { position: absolute; top: 11px; left: 0; right: 0; height: 4px; border-radius: 2px; background: var(--grid); }
.range .seg { position: absolute; top: 11px; height: 4px; background: var(--accent); border-radius: 2px; }
.range .mark { position: absolute; top: 4px; width: 2px; height: 18px; background: var(--ink-2); }
.range .mark.med { background: var(--s2); }
.range-legend { display: flex; justify-content: space-between; gap: 8px; font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.range-legend .keys { display: flex; align-items: center; gap: 5px; }
.range-legend i { display: inline-block; width: 12px; height: 4px; border-radius: 2px; background: var(--accent); }
.range-legend i.k-med { width: 2px; height: 10px; background: var(--s2); margin-left: 6px; }
.switch { position: relative; width: 36px; height: 20px; flex: none; }
.switch input { opacity: 0; width: 100%; height: 100%; position: absolute; margin: 0; cursor: pointer; z-index: 1; }
.switch span { position: absolute; inset: 0; border-radius: 999px; background: var(--axis); transition: background .15s; }
.switch span::after { content: ""; position: absolute; width: 16px; height: 16px; left: 2px; top: 2px; border-radius: 50%;
  background: #fff; transition: transform .15s; }
.switch input:checked + span { background: var(--good); }
.switch input:checked + span::after { transform: translateX(16px); }

/* zakładki */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; overflow-x: auto; }
.tabs button { border: 0; background: none; font: inherit; font-weight: 550; color: var(--muted); padding: 8px 12px;
  border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.segmented button { border: 0; background: var(--surface); color: var(--ink-2); font: inherit; padding: 7px 14px; cursor: pointer; }
.segmented button + button { border-left: 1px solid var(--border); }
.segmented button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

/* wykresy */
.charts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.chart-card { margin: 0; }
.chart-card.wide { grid-column: 1 / -1; }
.chart-card figcaption { margin-bottom: 10px; }
.chart-card figcaption p { margin: 2px 0 0; }
.chart-box { position: relative; height: 280px; }
.chart-box.short { height: 200px; }

/* ustawienia */
.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 16px; align-items: start; }
.settings fieldset { margin: 0; display: flex; flex-direction: column; gap: 12px; }
.settings legend { font-weight: 600; font-size: 15px; padding: 0 4px; color: var(--ink); }
.settings-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; }
.settings .card h2 { margin-bottom: 12px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.stack + .hint { margin-bottom: 8px; }
#password-form .btn { margin-top: 4px; }
.info { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0 0 12px; font-size: 13px; }
.info dt { color: var(--muted); }
.info dd { margin: 0; overflow-wrap: anywhere; }
.sources { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.source { display: flex; justify-content: space-between; gap: 10px; align-items: center; font-size: 13px; }

/* okna dialogowe */
.dialog { border: 1px solid var(--border); border-radius: 14px; padding: 0; width: min(760px, calc(100vw - 24px));
  max-height: calc(100vh - 40px); background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.dialog form { display: flex; flex-direction: column; max-height: calc(100vh - 42px); }
.dialog-head, .dialog-foot { display: flex; align-items: center; gap: 8px; padding: 14px 18px; }
.dialog-head { justify-content: space-between; border-bottom: 1px solid var(--border); }
.dialog-foot { border-top: 1px solid var(--border); }
.dialog-body { padding: 4px 18px 16px; overflow-y: auto; }
.spacer { flex: 1; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.form-grid.four { grid-template-columns: repeat(4, 1fr); margin-top: 0; }
.span-2 { grid-column: span 2; }
fieldset.inline { border: 0; padding: 0; margin: 0; display: flex; gap: 18px; flex-wrap: wrap; }
fieldset.inline legend { font-size: 13px; color: var(--ink-2); font-weight: 500; padding: 0; margin-bottom: 6px; }
.calc { background: var(--surface-2); border-radius: 8px; padding: 9px 12px; font-size: 13px; margin: 12px 0; }
.calc:empty { display: none; }
.tester { margin-top: 14px; border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.tester summary { cursor: pointer; font-weight: 600; }
.tester[open] summary { margin-bottom: 10px; }
.tester .button-row { margin: 8px 0; }
#test-results .table { font-size: 12.5px; }

/* logowanie */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: flex; flex-direction: column; gap: 14px; padding: 28px; }
.login-card p { margin: -8px 0 4px; }

/* komunikaty */
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: var(--page); padding: 10px 14px; border-radius: 9px; font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,.2); max-width: 360px; animation: in .15s ease-out; }
.toast.bad { background: var(--critical); color: #fff; }
@keyframes in { from { transform: translateY(6px); opacity: 0; } }

/* AI, sezon, warianty */
.ai-box { margin-top: 4px; font-size: 12.5px; }
.ai-box summary { cursor: pointer; color: var(--accent); width: fit-content; }
.ai-body { background: var(--surface-2); border-radius: 8px; padding: 8px 10px; margin-top: 4px; max-width: 520px; }
.ai-body p { margin: 0 0 4px; }
.ai-status { background: var(--surface-2); border-radius: 8px; padding: 8px 10px; font-size: 12.5px; }
.ai-line { color: var(--ink-2); font-size: 12.5px; margin-top: 2px; }
.season-card { margin-bottom: 16px; }
.season-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.season-item { background: var(--surface-2); border-radius: 8px; padding: 8px 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.months-label { font-size: 13px; color: var(--ink-2); font-weight: 500; margin: 6px 0 4px; }
.months { display: grid; grid-template-columns: repeat(12, 1fr); gap: 4px; }
.month { border: 1px solid var(--axis); background: var(--surface); color: var(--ink-2); border-radius: 6px; padding: 5px 0;
  font: inherit; font-size: 12px; cursor: pointer; }
.month.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.variant-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.vgrid { display: grid; grid-template-columns: 1fr 1.4fr 110px 110px auto auto; gap: 6px; align-items: center; }
.vstat { min-height: 1em; margin-top: 2px; }
@media (max-width: 720px) {
  .vgrid { grid-template-columns: 1fr 1fr; }
  .months { grid-template-columns: repeat(6, 1fr); }
}

/* telefon */
@media (max-width: 900px) {
  .charts { grid-template-columns: minmax(0, 1fr); }
  .form-grid.four { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .nav { position: fixed; top: auto; bottom: 0; left: 0; right: 0; height: auto; flex-direction: row; padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
    border-right: 0; border-top: 1px solid var(--border); z-index: 20; justify-content: space-around; }
  .brand { display: none; }
  .nav a { flex-direction: column; gap: 1px; font-size: 10.5px; padding: 6px 4px; flex: 1; text-align: center; }
  .ico { font-size: 17px; }
  main { padding: 16px 16px 90px; }
  h1 { font-size: 20px; }
  .filters select, .filters input[type="search"] { min-width: 0; flex: 1 1 45%; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .span-2 { grid-column: auto; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .chart-box { height: 240px; }
  /* tabela ofert jako karty */
  .table.offers thead { display: none; }
  .table.offers tr { display: grid; grid-template-columns: auto 1fr; column-gap: 16px; align-items: baseline; padding: 10px 12px; border-bottom: 1px solid var(--grid); }
  .table.offers td.num { text-align: left; }
  .table.offers td.profit-cell { text-align: right; }
  .sm-label { display: inline !important; color: var(--muted); font-size: 12px; }
  .table.offers td { border: 0; padding: 2px 0; }
  .table.offers td.title-cell { grid-column: 1 / -1; min-width: 0; max-width: none; }
  .table.offers td.hide-sm { display: none; }
  .table.offers td.row-actions-cell { grid-column: 1 / -1; }
  .table.offers .row-actions { justify-content: flex-start; }
  tr.is-hot td:first-child { box-shadow: none; }
  tr.is-hot { box-shadow: inset 3px 0 0 var(--good); }
  .toasts { bottom: 76px; left: 16px; right: 16px; }
}