:root {
  --bg: #0f1015;
  --surface: #171821;
  --surface-2: #212330;
  --ink: #fafafc;
  --ink-2: #c8c9d8;
  --ink-3: #8e90a6;
  --line: #262838;
  --line-strong: #4a4d66;
  --navh: 0px;
  --accent: #f5a524;
  --accent-ink: #ffc35c;
  --accent-soft: #2a2112;
  --ok: #58cc02;
  --ok-soft: #14240a;
  --warn: #ff6f61;
  --warn-soft: #2a1417;
  --info: #1cb0f6;
  --info-soft: #0d2130;
  --shadow: none;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Ubuntu, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--font); }
a { color: var(--info); }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); letter-spacing: -.01em; }
h2 { font-size: 1.25rem; margin-top: 1.6em; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 .9em; }
ul, ol { padding-left: 1.25em; margin: 0 0 1em; }
li { margin: .2em 0; }
small, .muted { color: var(--ink-3); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 99; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; min-width: 0; }
.brand-mark { width: 30px; height: 30px; color: var(--accent); flex: none; }
.brand small { display: block; font-weight: 500; font-size: .72rem; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search { flex: 1; max-width: 520px; margin-left: auto; }
.search input { width: 100%; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); font: inherit; font-size: .95rem; }
.icon-btn { flex: none; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); cursor: pointer; }
.icon-btn svg { width: 20px; height: 20px; }
.account-btn.on { border-color: var(--accent); color: var(--accent-ink); }
/* Dokumenty (regulamin, polityka prywatności) */
.doc { max-width: 820px; margin: 0 auto; padding: 20px 16px 48px; }
.doc h2 { font-size: 1.15rem; margin-top: 1.8em; }
.doc ol, .doc ul { padding-left: 1.4em; }
.doc li { margin: .35em 0; }
.doc code { font-family: var(--mono); font-size: .9em; }

/* Layout */
.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); max-width: 1280px; margin: 0 auto; }
.sidenav { position: sticky; top: 62px; align-self: start; display: flex; flex-direction: column; gap: 2px; padding: 16px 10px; height: calc(100vh - 62px); }
.sidenav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; color: var(--ink-2); text-decoration: none; font-weight: 550; }
.sidenav a svg { width: 20px; height: 20px; fill: currentColor; flex: none; }
.sidenav a:hover { background: var(--surface-2); color: var(--ink); }
.sidenav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-ink); }
main { padding: 24px 28px 80px; min-width: 0; outline: none; }
@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidenav { position: fixed; top: auto; bottom: 0; left: 0; right: 0; z-index: 30; height: auto; flex-direction: row; justify-content: space-around; padding: 6px 4px; padding-bottom: max(6px, env(safe-area-inset-bottom)); background: var(--surface); border-top: 1px solid var(--line); }
  .sidenav a { flex-direction: column; gap: 2px; padding: 6px 4px; font-size: .75rem; flex: 1; text-align: center; }
  .sidenav a.hide-m { display: none; }
  main { padding: 16px 16px 96px; }
  .brand small { display: none; }
  .search { max-width: none; }
  :root { --navh: calc(66px + env(safe-area-inset-bottom, 0px)); }
}
@media (max-width: 480px) { .brand > span, .hide-s { display: none; } }

/* Components */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.card + .card { margin-top: 14px; }
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.tile { display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
.tile:hover { border-color: var(--accent); transform: translateY(-1px); }
.tile .k { font-size: .78rem; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; color: var(--accent-ink); }
.tile strong { font-size: 1.05rem; }
.tile p { margin: 0; color: var(--ink-2); font-size: .92rem; }
.hero { padding: 6px 0 4px; background: none; border: 0; }
.hero p { color: var(--ink-2); max-width: 70ch; }
/* Rozwijane kafelki na stronie startowej */
details.fold { padding: 0; border-radius: var(--radius); margin-top: 14px; }
details.fold > summary { list-style: none; display: flex; align-items: center; gap: 12px; padding: 18px 20px; margin: 0; border-radius: var(--radius); }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::after { content: ""; flex: none; margin-left: auto; width: 10px; height: 10px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(45deg) translate(-3px, -3px); transition: transform .15s; }
details.fold[open] > summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
details.fold > summary:hover { background: var(--surface-2); }
details.fold .fold-t { display: flex; flex-direction: column; gap: 2px; }
details.fold .fold-t strong { font-size: 1.2rem; }
details.fold .fold-t .muted { font-weight: 400; font-size: .9rem; }
details.fold > .grid { padding: 0 20px 20px; }
details.fold .tile { background: var(--surface-2); }
details.fold .card + .card { margin-top: 0; }
.lead { font-size: 1.05rem; color: var(--ink-2); max-width: 75ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; font-size: .95rem; text-decoration: none; cursor: pointer; min-height: 40px; }
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1b1407; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #0b2415; }
.btn.warn { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.btn.small { padding: 5px 10px; min-height: 32px; font-size: .85rem; }
.btns { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { text-decoration: none; display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; background: var(--surface-2); color: var(--ink-2); border: 1px solid transparent; }
.chip.accent { background: var(--accent-soft); color: var(--accent-ink); }
.chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.info { background: var(--info-soft); color: var(--info); }
button.chip { cursor: pointer; font: inherit; font-size: .8rem; font-weight: 600; }
button.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.note { border-left: 4px solid var(--info); background: var(--info-soft); padding: 12px 14px; border-radius: 8px; margin: 12px 0; color: var(--ink); }
.note.warn { border-color: var(--warn); background: var(--warn-soft); }
.note.ok { border-color: var(--ok); background: var(--ok-soft); }
.note.accent { border-color: var(--accent); background: var(--accent-soft); }
.note p:last-child, .note ul:last-child { margin-bottom: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.kv dt { color: var(--ink-3); font-size: .9rem; }
.kv dd { margin: 0; font-weight: 550; }
@media (max-width: 560px) { .kv { grid-template-columns: 1fr; } .kv dd { margin-bottom: 6px; } }
.crumbs { font-size: .88rem; color: var(--ink-3); margin-bottom: 8px; }
.crumbs a { color: var(--ink-3); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-2); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); }
tr:last-child td { border-bottom: 0; }
td.time { white-space: nowrap; font-weight: 700; color: var(--accent-ink); }
@media (max-width: 640px) {
  table.stack thead { display: none; }
  table.stack tr { display: block; border-bottom: 1px solid var(--line); padding: 8px 0; }
  table.stack td { display: block; border: 0; padding: 4px 12px; }
  table.stack td::before { content: attr(data-l); display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
  td.time { white-space: normal; }
}

/* Lists */
.qlist { display: grid; gap: 10px; }
.qitem { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; text-decoration: none; color: var(--ink); }
.qitem:hover { border-color: var(--accent); }
.qitem .meta { display: flex; gap: 6px; flex-wrap: wrap; }
.qitem .arrow { color: var(--ink-3); font-size: 1.3rem; }
.group-h { display: flex; align-items: center; gap: 10px; margin: 26px 0 10px; }
.group-h h2 { margin: 0; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; display: grid; gap: 10px; }
.step { position: relative; display: grid; grid-template-columns: 44px 1fr; gap: 12px; }
.step .num { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--surface-2); color: var(--ink-2); border: 2px solid var(--line); }
.step.done .num { background: var(--ok); border-color: var(--ok); color: #0b2415; }
.step .body { padding-bottom: 6px; }
.step h3 { margin: 6px 0 4px; }
.step p { color: var(--ink-2); margin-bottom: 6px; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; cursor: pointer; user-select: none; }
.check input { width: 18px; height: 18px; accent-color: var(--ok); }
.law { font-family: var(--mono); font-size: .78rem; color: var(--ink-3); }
.progress { height: 8px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--ok); width: 0; transition: width .3s; }

/* Wizard */
.wizard .opts { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.opt { text-align: left; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; cursor: pointer; display: flex; flex-direction: column; gap: 4px; }
.opt:hover { border-color: var(--accent); }
.opt strong { font-size: 1rem; }
.opt span { font-size: .87rem; color: var(--ink-2); }
.wiz-trail { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }

/* Flashcards */
.fc { min-height: 220px; display: flex; flex-direction: column; gap: 12px; }
.fc .q { font-size: clamp(1.1rem, 2.2vw, 1.35rem); font-weight: 600; line-height: 1.4; }
.fc textarea { width: 100%; min-height: 90px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--bg); color: var(--ink); font: inherit; resize: vertical; }
.fc-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.fc-nav { display: flex; gap: 8px; }
.fc-nav .btn { white-space: nowrap; }
.fc-nav #rep, .fc-nav #know { flex: 1 1 auto; }
@media (max-width: 860px) {
  /* przyciski fiszki pod kciukiem, nad dolną nawigacją */
  .fc-nav { position: sticky; bottom: calc(var(--navh) + 8px); z-index: 5; margin: 0 -10px; padding: 8px 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
  .fc-nav .btn { padding: 8px 10px; min-width: 44px; }
}
.qstats { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0 0 10px; font-size: .9rem; color: var(--ink-3); }
.qstats b { color: var(--ink); font-variant-numeric: tabular-nums; }
.qstats .k b { color: var(--ok); }
.qstats .r b { color: var(--warn); }
.qfilters { margin-bottom: 14px; }
.qfilters-body { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.qfilters-body label:not(.check) { display: flex; align-items: center; gap: 6px; min-width: 0; max-width: 100%; }
.qfilters-body select { min-width: 0; max-width: 100%; }
@media (max-width: 860px) {
  .qfilters-body { display: grid; grid-template-columns: minmax(0, 1fr); }
  .qfilters-body label:not(.check) { display: grid; gap: 4px; }
  .qfilters-body select { width: 100%; }
}
select, input[type="date"], input[type="number"] { padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); font: inherit; max-width: 100%; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr)); gap: 10px; }
.stat { padding: 12px 14px; border-radius: 10px; background: var(--surface-2); }
.stat b { display: block; font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.stat span { font-size: .82rem; color: var(--ink-3); }

.ans { border-left: 4px solid var(--ok); background: var(--ok-soft); padding: 10px 12px; border-radius: 8px; color: var(--ink); }
.ans-l { font-weight: 700; color: var(--ok); }
.cite { color: var(--accent-ink); font-weight: 600; white-space: normal; }

/* Search results */
.hit mark { background: var(--accent-soft); color: inherit; border-radius: 3px; padding: 0; }

.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: .9rem; opacity: 0; pointer-events: none; transition: .2s; z-index: 50; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
details { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; background: var(--surface); }
details + details { margin-top: 8px; }
summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 8px; }
.cols { columns: 2 280px; column-gap: 28px; }
.cols li { break-inside: avoid; }
footer.foot { margin-top: 40px; font-size: .82rem; color: var(--ink-3); border-top: 1px solid var(--line); padding-top: 14px; }
footer.foot .author { margin: 10px 0 0; color: var(--ink-2); }
/* Telefon: cele dotykowe min. 44 px (chipy-filtry 40 px) – na końcu, by nadpisać style bazowe */
@media (max-width: 860px) {
  .btn, .btn.small { min-height: 44px; }
  .btn.small { padding: 8px 12px; }
  a.chip, button.chip { min-height: 40px; padding: 6px 12px; }
  .check { min-height: 44px; }
  select, input[type="date"], input[type="number"] { min-height: 44px; }
  .check input { width: 22px; height: 22px; }
  .group-h { flex-direction: column; align-items: flex-start; gap: 2px; }
}
@media print { .topbar, .sidenav, .btns, .toast { display: none !important; } main { padding: 0; } .card { box-shadow: none; } }