/* =========================================================================
   System stylów aplikacji.
   Sekcje oznaczone komentarzem "== nazwa ==" grupują style poszczególnych
   ekranów. Tokeny i komponenty wspólne są na górze pliku.
   Uwaga: ten plik jest publicznie czytelny (ładuje się na stronie logowania),
   więc nie umieszczaj w nim nazw ani opisów zdradzających zawartość serwisu.
   ========================================================================= */

/* == tokens == */
:root {
  --bg:        #f6f6f4;
  --bg-soft:   #ffffff;
  --bg-sunk:   #ececea;
  --fg:        #17181c;
  --fg-muted:  #63666f;
  --fg-faint:  #8b8e97;
  --border:    #dfdfdb;
  --border-strong: #c6c6c1;

  --primary:      #1f6feb;
  --primary-fg:   #ffffff;
  --primary-soft: #e7f0ff;
  --primary-line: #a9c9ff;

  --ok:        #17803d;
  --ok-soft:   #e5f6ea;
  --ok-line:   #93d6a9;
  --bad:       #c62b2b;
  --bad-soft:  #fdeaea;
  --bad-line:  #f0adad;
  --warn:      #a66300;
  --warn-soft: #fdf3e2;
  --warn-line: #e8c489;

  --w1: #7c8794;
  --w2: #2f6ca8;
  --w3: #a3521f;

  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow:    0 1px 2px rgba(16,18,24,.06), 0 4px 14px rgba(16,18,24,.05);
  --shadow-lg: 0 2px 6px rgba(16,18,24,.08), 0 18px 40px rgba(16,18,24,.10);

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 860px;
  --topbar-h: 56px;
  --bottomnav-h: 60px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #14161a;
    --bg-soft:   #1c1f25;
    --bg-sunk:   #101216;
    --fg:        #e9eaee;
    --fg-muted:  #a2a7b2;
    --fg-faint:  #7c818c;
    --border:    #2c313a;
    --border-strong: #3d434e;

    --primary:      #5b9bff;
    --primary-fg:   #08111f;
    --primary-soft: #14243d;
    --primary-line: #2f568f;

    --ok:        #52c17a;
    --ok-soft:   #12291b;
    --ok-line:   #2c6640;
    --bad:       #ff7b72;
    --bad-soft:  #2c1616;
    --bad-line:  #75302c;
    --warn:      #e3a447;
    --warn-soft: #2a2113;
    --warn-line: #6b5223;

    --w1: #98a1ad;
    --w2: #6fa8dc;
    --w3: #d99a63;

    --shadow:    0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.3);
    --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 18px 40px rgba(0,0,0,.45);
  }
}

:root[data-theme="dark"] {
  --bg:        #14161a;
  --bg-soft:   #1c1f25;
  --bg-sunk:   #101216;
  --fg:        #e9eaee;
  --fg-muted:  #a2a7b2;
  --fg-faint:  #7c818c;
  --border:    #2c313a;
  --border-strong: #3d434e;

  --primary:      #5b9bff;
  --primary-fg:   #08111f;
  --primary-soft: #14243d;
  --primary-line: #2f568f;

  --ok:        #52c17a;
  --ok-soft:   #12291b;
  --ok-line:   #2c6640;
  --bad:       #ff7b72;
  --bad-soft:  #2c1616;
  --bad-line:  #75302c;
  --warn:      #e3a447;
  --warn-soft: #2a2113;
  --warn-line: #6b5223;

  --w1: #98a1ad;
  --w2: #6fa8dc;
  --w3: #d99a63;

  --shadow:    0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.3);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 18px 40px rgba(0,0,0,.45);
}

/* == base == */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 var(--sp-3); font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }
p  { margin: 0 0 var(--sp-3); }
a  { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
hr { border: 0; border-top: 1px solid var(--border); margin: var(--sp-5) 0; }
small { font-size: .84rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: var(--sp-4); }
.muted { color: var(--fg-muted); }
.faint { color: var(--fg-faint); }
.mt  { margin-top: var(--sp-4); }
.mt2 { margin-top: var(--sp-5); }
.mb  { margin-bottom: var(--sp-4); }
.nowrap { white-space: nowrap; }
.inline { display: inline; }
.center { text-align: center; }
.right  { text-align: right; }
.hidden, [hidden] { display: none !important; }
.pre-scroll { overflow-x: auto; font-family: var(--mono); font-size: .78rem; background: var(--bg-sunk); padding: var(--sp-3); border-radius: var(--radius-sm); }
.stack > * + * { margin-top: var(--sp-3); }
.row { display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }
.row-between { display: flex; gap: var(--sp-3); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }

/* == topbar / nav == */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: var(--sp-3);
  height: var(--topbar-h); padding: 0 var(--sp-4);
  background: color-mix(in srgb, var(--bg-soft) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: var(--sp-2); font-weight: 700; color: var(--fg); text-decoration: none; letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 1.25rem; }
.brand-name { font-size: 1.02rem; }

.topnav { display: none; gap: var(--sp-1); margin-left: var(--sp-4); flex: 1; }
.topnav-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  color: var(--fg-muted); font-size: .92rem; font-weight: 500;
}
.topnav-item:hover { background: var(--bg-sunk); color: var(--fg); text-decoration: none; }
.topnav-item.is-active { background: var(--primary-soft); color: var(--primary); }
.topnav-item svg { width: 17px; height: 17px; }

.topbar-end { display: flex; align-items: center; gap: var(--sp-1); margin-left: auto; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  border: 0; background: none; color: var(--fg-muted); cursor: pointer;
}
.icon-btn:hover { background: var(--bg-sunk); color: var(--fg); }
.icon-btn svg { width: 19px; height: 19px; }

svg { fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

.bottomnav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
  display: flex; justify-content: space-around;
  height: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--bg-soft) 94%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-top: 1px solid var(--border);
}
.bottomnav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  color: var(--fg-faint); font-size: .66rem; font-weight: 500; text-decoration: none;
}
.bottomnav-item svg { width: 21px; height: 21px; }
.bottomnav-item.is-active { color: var(--primary); }
.bottomnav-item:hover { text-decoration: none; }
/* 8 pozycji na wąskim telefonie: mniejsze etykiety, żeby się nie stykały */
@media (max-width: 440px) {
  .bottomnav-item { min-width: 0; font-size: .58rem; letter-spacing: -.01em; }
  .bottomnav-item svg { width: 20px; height: 20px; }
}

/* 8 pozycji w górnym menu na węższym ekranie: same etykiety, ciaśniej */
@media (min-width: 900px) and (max-width: 1099px) {
  .topnav { margin-left: var(--sp-2); gap: 2px; }
  .topnav-item { padding: 7px 9px; font-size: .86rem; }
  .topnav-item svg { display: none; }
}

@media (min-width: 900px) {
  .topnav { display: flex; }
  .bottomnav { display: none; }
  body { padding-bottom: var(--sp-6); }
  .wrap { padding: var(--sp-5) var(--sp-4); }
}

/* == cards == */
.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-4);
  box-shadow: var(--shadow);
}
.card + .card { margin-top: var(--sp-4); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.card-head h2, .card-head h3 { margin: 0; }
.card-tight { padding: var(--sp-3); }
.center-card { max-width: 460px; margin: var(--sp-7) auto; text-align: center; }

.grid { display: grid; gap: var(--sp-3); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 700px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* == buttons == */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  min-height: 48px; padding: 0 var(--sp-4);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--bg-soft); color: var(--fg);
  font: inherit; font-size: .96rem; font-weight: 560; text-decoration: none;
  cursor: pointer; transition: background .12s, border-color .12s, transform .06s;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { background: var(--bg-sunk); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { background: color-mix(in srgb, var(--primary) 88%, #000); }
.btn-danger { background: var(--bad-soft); border-color: var(--bad-line); color: var(--bad); }
.btn-danger:hover { background: color-mix(in srgb, var(--bad-soft) 80%, var(--bad)); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--fg-muted); }
.btn-ghost:hover { background: var(--bg-sunk); color: var(--fg); }
.btn-sm { min-height: 36px; padding: 0 var(--sp-3); font-size: .86rem; }
.btn-block { width: 100%; }
.btn svg { width: 18px; height: 18px; }

/* == badges == */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  font-size: .74rem; font-weight: 600; line-height: 1.5;
  background: var(--bg-sunk); color: var(--fg-muted); border: 1px solid var(--border);
  white-space: nowrap;
}
.badge-w1 { color: var(--w1); border-color: color-mix(in srgb, var(--w1) 35%, transparent); }
.badge-w2 { color: var(--w2); border-color: color-mix(in srgb, var(--w2) 35%, transparent); }
.badge-w3 { color: var(--w3); border-color: color-mix(in srgb, var(--w3) 35%, transparent); background: color-mix(in srgb, var(--w3) 10%, var(--bg-sunk)); }
.badge-ok   { color: var(--ok);   background: var(--ok-soft);   border-color: var(--ok-line); }
.badge-bad  { color: var(--bad);  background: var(--bad-soft);  border-color: var(--bad-line); }
.badge-warn { color: var(--warn); background: var(--warn-soft); border-color: var(--warn-line); }
.badge-primary { color: var(--primary); background: var(--primary-soft); border-color: var(--primary-line); }

/* przełącznik „moje / nie moje" przy pytaniu */
.scope-btn { cursor: pointer; font-family: inherit; color: var(--ok); background: var(--ok-soft); border-color: var(--ok-line); }
.scope-btn:hover { filter: brightness(.97); }
.scope-btn.is-off { color: var(--bad); background: var(--bad-soft); border-color: var(--bad-line); }
.scope-btn:disabled { opacity: .55; cursor: progress; }

/* == alerts == */
.alert {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  margin-bottom: var(--sp-4);
  font-size: .93rem;
}
.alert-error   { background: var(--bad-soft);  border-color: var(--bad-line);  color: var(--bad); }
.alert-success { background: var(--ok-soft);   border-color: var(--ok-line);   color: var(--ok); }
.alert-warn    { background: var(--warn-soft); border-color: var(--warn-line); color: var(--warn); }
.alert-info    { background: var(--primary-soft); border-color: var(--primary-line); color: var(--primary); }

/* == forms == */
.field { display: block; margin-bottom: var(--sp-4); }
.field > span { display: block; font-size: .84rem; font-weight: 600; color: var(--fg-muted); margin-bottom: 6px; }
input[type="text"], input[type="password"], input[type="number"], input[type="search"], input[type="file"], select, textarea {
  width: 100%; min-height: 46px; padding: 10px var(--sp-3);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--bg-soft); color: var(--fg);
  font: inherit; font-size: .96rem;
}
textarea { min-height: 90px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible, a:focus-visible, button:focus-visible, .answer:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px;
}
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--fg-muted) 50%), linear-gradient(135deg, var(--fg-muted) 50%, transparent 50%); background-position: calc(100% - 18px) 21px, calc(100% - 13px) 21px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 34px; }

.check { display: flex; align-items: flex-start; gap: var(--sp-2); padding: 7px 0; cursor: pointer; font-size: .93rem; }
.check input { width: 19px; height: 19px; min-height: 0; margin: 2px 0 0; accent-color: var(--primary); flex: none; }

.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 13px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--bg-soft);
  font-size: .87rem; font-weight: 500; cursor: pointer; user-select: none;
}
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip:has(input:checked) { background: var(--primary-soft); border-color: var(--primary-line); color: var(--primary); }
.chip:hover { border-color: var(--primary-line); }

/* == progress == */
.progress { height: 8px; border-radius: 999px; background: var(--bg-sunk); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: 999px; background: var(--primary); transition: width .3s ease; }
.progress-ok > span   { background: var(--ok); }
.progress-warn > span { background: var(--warn); }
.progress-thin { height: 5px; }

.stat { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--sp-3) var(--sp-4); }
.stat-value { font-size: 1.65rem; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; }
.stat-label { font-size: .78rem; color: var(--fg-muted); font-weight: 500; }
.stat-sub { font-size: .78rem; color: var(--fg-faint); }

/* == tables == */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 calc(-1 * var(--sp-4)); padding: 0 var(--sp-4); }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: 9px var(--sp-3); border-bottom: 1px solid var(--border); }
th { font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; color: var(--fg-faint); font-weight: 650; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* == blok A == */
.q-meta { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; margin-bottom: var(--sp-3); }
.q-text { font-size: 1.1rem; font-weight: 560; line-height: 1.45; margin: 0 0 var(--sp-4); white-space: pre-line; }
.q-images { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.q-images img {
  max-height: 210px; width: auto; height: auto; object-fit: contain; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: #fff; padding: var(--sp-2); cursor: zoom-in;
}
.answers { display: flex; flex-direction: column; gap: var(--sp-2); }
.answer {
  display: flex; align-items: flex-start; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4); min-height: 52px;
  border: 1.5px solid var(--border-strong); border-radius: var(--radius);
  background: var(--bg-soft); cursor: pointer; user-select: none;
  transition: border-color .12s, background .12s;
  text-align: left; font: inherit; color: inherit; width: 100%;
}
.answer:hover { border-color: var(--primary-line); }
.answer-key {
  flex: none; width: 27px; height: 27px; border-radius: 7px;
  border: 1.5px solid var(--border-strong); background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; font-weight: 700; color: var(--fg-muted);
}
.answer-body { flex: 1; min-width: 0; }
.answer-body img { max-height: 130px; width: auto; background: #fff; border-radius: 6px; padding: 4px; }
.answer.is-selected { border-color: var(--primary); background: var(--primary-soft); }
.answer.is-selected .answer-key { border-color: var(--primary); background: var(--primary); color: var(--primary-fg); }
.answer.is-correct { border-color: var(--ok-line); background: var(--ok-soft); }
.answer.is-correct .answer-key { border-color: var(--ok); background: var(--ok); color: #fff; }
.answer.is-wrong { border-color: var(--bad-line); background: var(--bad-soft); }
.answer.is-wrong .answer-key { border-color: var(--bad); background: var(--bad); color: #fff; }
.answer.is-missed { border-color: var(--warn); border-style: dashed; background: var(--warn-soft); }
.answer.is-missed .answer-key { border-color: var(--warn); color: var(--warn); }
.answer.is-locked { cursor: default; }
.answer.is-locked:hover { border-color: inherit; }

.q-verdict { display: flex; align-items: center; gap: var(--sp-2); font-weight: 650; margin-top: var(--sp-4); }
.q-verdict.ok  { color: var(--ok); }
.q-verdict.bad { color: var(--bad); }

.actionbar {
  position: sticky; bottom: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
  display: flex; gap: var(--sp-2); padding: var(--sp-3) 0;
  background: linear-gradient(to top, var(--bg) 65%, transparent);
  z-index: 20;
}
.actionbar .btn { flex: 1; }
@media (min-width: 900px) { .actionbar { position: static; background: none; padding-top: var(--sp-4); } .actionbar .btn { flex: 0 1 auto; min-width: 160px; } }

/* == lightbox == */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8,10,14,.92);
  display: flex; align-items: center; justify-content: center; padding: var(--sp-4);
  cursor: zoom-out;
}
.lightbox img { max-width: 100%; max-height: 92vh; border-radius: var(--radius-sm); background: #fff; }

/* == login == */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: var(--sp-4); background: var(--bg); }
.login-card {
  width: 100%; max-width: 380px; text-align: center;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--sp-6) var(--sp-5); box-shadow: var(--shadow-lg);
}
.login-card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.login-card .field { text-align: left; }
.login-logo { font-size: 2.4rem; margin-bottom: var(--sp-2); }
.err-code { font-size: 3rem; font-weight: 700; color: var(--fg-faint); letter-spacing: -.03em; }
.err-msg { color: var(--fg-muted); }

/* == dashboard == */
.hero-actions { display: grid; gap: var(--sp-3); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tile {
  display: flex; flex-direction: column; gap: 3px; justify-content: center;
  min-height: 92px; padding: var(--sp-4);
  border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--fg); text-decoration: none;
  box-shadow: var(--shadow);
}
.tile:hover { text-decoration: none; border-color: var(--primary-line); }
.tile-title { font-weight: 650; display: flex; align-items: center; gap: var(--sp-2); }
.tile-title svg { width: 19px; height: 19px; color: var(--primary); }
.tile-sub { font-size: .82rem; color: var(--fg-muted); }
.tile-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); }
.tile-primary .tile-sub { color: color-mix(in srgb, var(--primary-fg) 78%, transparent); }
.tile-primary .tile-title svg { color: var(--primary-fg); }

/* == blok B == */

/* == blok C == */

/* == blok D == */

/* == blok E == */

/* == print == */
@media print {
  .topbar, .bottomnav, .actionbar, .icon-btn { display: none !important; }
  body { background: #fff; padding: 0; }
  .card { box-shadow: none; border-color: #ccc; break-inside: avoid; }
}