/* Anatomia – kursy · spokojny, czytelny interfejs do nauki */
:root{
  --bg:#F5F6F3; --surface:#FFFFFF; --surface-2:#F9FAF8; --sunk:#EEF1EE;
  --ink:#1D2A2E; --ink-2:#3A4A50; --muted:#66757B; --line:#E2E6E3; --line-2:#D5DBD7;
  --primary:#2F6B6E; --primary-h:#265A5D; --primary-soft:#E5EFEE; --primary-ink:#FFFFFF;
  --sage:#7FA38F; --sage-soft:#EAF2EC;
  --ok:#3E8A5F; --ok-soft:#E6F2EA;
  --warn:#A8742A; --warn-soft:#F8F0E2;
  --again:#B5654F; --again-soft:#F7ECE8;
  --blue:#4E79A6; --blue-soft:#EAF0F7;
  --arrow:#E0684B;
  --stage:#ECEFEC;
  --r-lg:20px; --r:14px; --r-sm:10px;
  --shadow:0 1px 2px rgba(29,42,46,.04),0 4px 16px rgba(29,42,46,.05);
  --shadow-lg:0 2px 6px rgba(29,42,46,.06),0 16px 40px rgba(29,42,46,.10);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1120px;
  color-scheme:light;
}
:root[data-theme="dark"]{
    --bg:#13191A; --surface:#1A2223; --surface-2:#1E2728; --sunk:#151C1D;
    --ink:#E6ECEA; --ink-2:#C5D0CD; --muted:#93A3A0; --line:#2A3537; --line-2:#344143;
    --primary:#6FB3B0; --primary-h:#86C4C1; --primary-soft:#1E3334; --primary-ink:#0E1516;
    --sage:#8DB59F; --sage-soft:#1D2D25;
    --ok:#7CC49B; --ok-soft:#1A2E23; --warn:#D9A65C; --warn-soft:#2E2617; --again:#E0937D; --again-soft:#33221D;
    --blue:#8CB2DA; --blue-soft:#1C2734; --arrow:#FF8566; --stage:#1F2829;
    --shadow:0 1px 2px rgba(0,0,0,.3); --shadow-lg:0 12px 32px rgba(0,0,0,.4);
    color-scheme:dark;
}
:root[data-theme="light"]{color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.a-body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
.a-main{flex:1;padding-bottom:40px}
a{color:var(--primary)}
h1,h2,h3{margin:0;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
img{max-width:100%}
.ic{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;z-index:99;background:var(--surface);padding:8px 12px;border-radius:8px}
:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 45%,transparent);outline-offset:2px;border-radius:6px}

.a-wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.a-narrow{max-width:760px}
@media (max-width:640px){.a-wrap{padding:0 16px}}

/* top bar */
.a-top{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px) saturate(1.3);border-bottom:1px solid var(--line)}
.a-top__in{display:flex;align-items:center;gap:20px;height:64px}
.a-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.a-brand__m{width:32px;height:32px;border-radius:10px;background:var(--primary);display:grid;place-items:center}
.a-brand__m svg{width:30px;height:30px;fill:var(--primary-ink)}
.a-nav{display:flex;gap:2px;margin-left:12px;flex:1;overflow-x:auto;scrollbar-width:none}
.a-nav a{position:relative;display:flex;align-items:center;gap:7px;padding:8px 12px;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:500;font-size:15px;white-space:nowrap}
.a-nav a:hover{background:var(--surface);color:var(--ink)}
.a-nav a.is-on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.a-nav a.is-on .ic{color:var(--primary)}
.a-badge{min-width:20px;height:20px;padding:0 6px;border-radius:99px;background:var(--primary);color:var(--primary-ink);font-size:12px;font-weight:600;display:inline-grid;place-items:center}
.a-badge--soft{background:var(--warn-soft);color:var(--warn)}
.a-user{position:relative;margin-left:auto}
.a-user summary{list-style:none;cursor:pointer}.a-user summary::-webkit-details-marker{display:none}
.a-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:700}
.a-user__menu{position:absolute;right:0;top:46px;width:280px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:8px;z-index:40}
.a-user__menu a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-size:15px}
.a-user__menu a:hover{background:var(--surface-2)}
.a-user__name{padding:10px 12px 12px;border-bottom:1px solid var(--line);margin-bottom:6px;font-weight:600}
.a-user__name small{display:block;font-weight:400;color:var(--muted);font-size:13px}
.a-top__cta{margin-left:auto;display:flex;gap:8px}
@media (max-width:860px){.a-nav{display:none}}

/* mobile tab bar */
.a-tabbar{display:none}
@media (max-width:860px){
  .a-tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--surface);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .a-tabbar a{position:relative;display:grid;justify-items:center;gap:2px;font-size:11px;font-weight:500;color:var(--muted);text-decoration:none;padding:4px 0}
  .a-tabbar a .ic{width:22px;height:22px}
  .a-tabbar a.is-on{color:var(--primary)}
  .a-dot{position:absolute;top:2px;left:calc(50% + 8px);width:8px;height:8px;border-radius:50%;background:var(--arrow)}
  body.a-body{padding-bottom:70px}
}

/* buttons */
.a-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 18px;font:600 15px/1.2 var(--font);cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,transform .06s;white-space:nowrap;color:var(--ink)}
.a-btn:active{transform:translateY(1px)}
.a-btn--primary{background:var(--primary);color:var(--primary-ink)}
.a-btn--primary:hover{background:var(--primary-h)}
.a-btn--soft{background:var(--primary-soft);color:var(--primary)}
.a-btn--soft:hover{background:color-mix(in srgb,var(--primary-soft) 70%,var(--primary) 12%)}
.a-btn--ghost{background:transparent;border-color:var(--line-2);color:var(--ink-2)}
.a-btn--ghost:hover{background:var(--surface)}
.a-btn--lg{padding:14px 24px;font-size:16px;border-radius:14px}
.a-btn--sm{padding:7px 12px;font-size:14px;border-radius:10px}
.a-btn--block{width:100%}
.a-btn[disabled]{opacity:.5;cursor:not-allowed}
.a-iconbtn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;font:600 14px var(--font);box-shadow:var(--shadow)}
.a-link{color:var(--primary);font-weight:500;text-decoration:none}.a-link:hover{text-decoration:underline}
kbd{font:500 11px/1 var(--font);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;padding:2px 5px;color:var(--muted);background:var(--surface-2)}

/* generic */
.a-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.a-pad{padding:24px}
.a-muted{color:var(--muted)}
.a-muted .ic{vertical-align:-3px}
.a-small{font-size:13px}
.a-center{text-align:center}
.a-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px}
.a-row--sm{margin-top:12px}
.a-h2{font-size:20px;font-weight:600;margin:0 0 14px}
.a-h3{font-size:17px;font-weight:600;margin:18px 0 8px}
.a-h3:first-child{margin-top:0}
.a-section{margin-top:36px}
.a-section__head{display:flex;justify-content:space-between;align-items:baseline}
.a-grid{display:grid;gap:16px}
.a-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}
.a-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.a-grid--tiles{grid-template-columns:repeat(4,minmax(0,1fr))}
.a-grid--courses{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
@media (max-width:860px){.a-grid--2,.a-grid--3{grid-template-columns:1fr}.a-grid--tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.a-tag{display:inline-block;font-size:12px;font-weight:600;padding:4px 9px;border-radius:99px;background:var(--primary-soft);color:var(--primary)}
.a-tag--muted{background:var(--sunk);color:var(--muted)}
.a-tag--ok{background:var(--ok-soft);color:var(--ok)}
.a-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:99px;background:var(--surface);border:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.a-chip .ic{color:var(--warn)}
.a-chip b{color:var(--ink)}
.a-alert{padding:12px 14px;border-radius:12px;margin:12px 0;font-size:15px}
.a-alert--warn{background:var(--warn-soft);color:var(--warn)}
.a-alert--ok{background:var(--ok-soft);color:var(--ok)}
.a-note{margin-top:14px;color:var(--muted)}
.a-progress{height:8px;background:var(--sunk);border-radius:99px;overflow:hidden}
.a-progress span{display:block;height:100%;background:var(--sage);border-radius:99px;transition:width .4s}
.a-loading{padding:60px;text-align:center;color:var(--muted)}
.a-pagehead{padding:32px 0 20px}
.a-pagehead h1{font-size:30px;font-weight:700}
.a-pagehead p{margin-top:6px}
.a-crumbs{padding-top:20px;font-size:14px;color:var(--muted)}
.a-crumbs a{color:var(--muted)}

/* dashboard */
.a-hello{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;padding-top:32px}
.a-hello h1{font-size:30px;font-weight:700}
.a-hello__date{color:var(--muted);font-size:14px;margin-bottom:4px}
.a-hello__sub{color:var(--muted);margin-top:6px;max-width:560px}
.a-hello__chips{display:flex;gap:8px;flex-wrap:wrap}
.a-today{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:28px}
@media (max-width:640px){.a-today{grid-template-columns:1fr;padding:22px}.a-today__ring{display:none}}
.a-today__nums{display:flex;gap:40px;flex-wrap:wrap;margin-bottom:10px}
.a-num b{display:block;font-size:44px;font-weight:700;line-height:1.05;letter-spacing:-.03em}
.a-num span{color:var(--muted);font-size:15px}
.a-num--soft b{color:var(--sage)}
.a-today .a-btn--lg{margin-top:18px}
.a-done{display:flex;gap:16px;align-items:flex-start}
.a-done h3{font-size:20px;margin-bottom:4px}
.a-done__ic{width:48px;height:48px;border-radius:50%;background:var(--ok-soft);color:var(--ok);display:grid;place-items:center;flex:none}
.a-done__ic .ic{width:24px;height:24px}
.ring{position:relative}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring__bg{fill:none;stroke:var(--sunk);stroke-width:10}
.ring__fg{fill:none;stroke:var(--sage);stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset .6s}
.ring__t{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring__t b{font-size:26px;font-weight:700;line-height:1}
.ring__t span{font-size:12px;color:var(--muted);max-width:80px;line-height:1.3;margin-top:4px}
.a-perlesson{display:grid;gap:8px;margin-top:12px}
.a-perlesson__row{display:flex;gap:12px;align-items:center;padding:12px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.a-perlesson__row .a-muted{margin-left:auto;font-size:14px}
.a-weakcall{display:flex;gap:16px;align-items:center;padding:18px 20px;margin-top:14px;text-decoration:none;color:var(--ink)}
.a-weakcall:hover{border-color:var(--line-2)}
.a-weakcall__ic{width:44px;height:44px;border-radius:12px;background:var(--warn-soft);color:var(--warn);display:grid;place-items:center;flex:none}
.a-weakcall b{display:block}
.a-weakcall small{display:block;color:var(--muted);font-size:14px}
.a-weakcall .a-btn{margin-left:auto}
@media (max-width:640px){.a-weakcall{flex-wrap:wrap}.a-weakcall .a-btn{margin-left:60px}}
.a-course{padding:22px;display:flex;flex-direction:column;gap:10px}
.a-course.is-soon{background:var(--surface-2);box-shadow:none}
.a-course__top{display:flex;gap:8px;justify-content:space-between}
.a-course h3{font-size:19px}
.a-course__meta{display:flex;flex-wrap:wrap;gap:14px;font-size:14px;color:var(--muted)}
.a-course__meta b{color:var(--ink)}
.a-hl{color:var(--primary);font-weight:600}
.a-course .a-btn{align-self:flex-start;margin-top:auto}
.a-course .a-row{margin-top:auto}
.a-tile{padding:18px 20px}
.a-tile span{font-size:13px;color:var(--muted);font-weight:500}
.a-tile b{display:block;font-size:30px;font-weight:700;letter-spacing:-.02em;margin:2px 0}
.a-tile small{color:var(--muted);font-size:13px}
.a-chart{padding:20px}
.a-chart h3{font-size:15px;font-weight:600;color:var(--ink-2);margin-bottom:12px}
.bars{display:flex;align-items:flex-end;gap:6px;height:calc(var(--h) + 38px)}
.bars__c{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;min-width:0}
.bars__b{width:100%;max-width:28px;background:var(--primary-soft);border-radius:6px 6px 3px 3px;min-height:0}
.bars__c.is-hi .bars__b{background:var(--sage)}
.bars__v{font-size:11px;color:var(--muted);margin-bottom:3px;min-height:15px}
.bars__l{font-size:11px;color:var(--muted);margin-top:6px;text-transform:capitalize}
.bars__c > .bars__b{max-height:var(--h)}
.a-tip{display:flex;gap:14px;padding:20px;margin-top:36px;background:var(--sage-soft);border-color:transparent;box-shadow:none}
.a-tip__ic{color:var(--ok)}
.a-tip p{color:var(--ink-2);margin-top:2px}
.a-table{width:100%;border-collapse:collapse;font-size:15px}
.a-table th{text-align:left;font-size:13px;font-weight:600;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--line)}
.a-table td{padding:12px 10px;border-bottom:1px solid var(--line)}
.a-table tr:last-child td{border-bottom:0}
.a-mini{display:flex;align-items:center;gap:10px}.a-mini .a-progress{width:90px}
@media (max-width:640px){.a-table th:nth-child(3),.a-table td:nth-child(3),.a-table th:nth-child(5),.a-table td:nth-child(5){display:none}}

/* landing */
.a-hero{padding:72px 0 40px}
.a-hero__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
@media (max-width:860px){.a-hero__grid{grid-template-columns:1fr}.a-hero{padding:40px 0 24px}}
.a-eyebrow{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--primary);margin-bottom:14px}
.a-hero__h{font-size:clamp(32px,4.6vw,48px);font-weight:700;letter-spacing:-.025em;line-height:1.12}
.a-lead{font-size:18px;color:var(--muted);margin-top:18px;max-width:560px}
.a-mock{padding:16px;max-width:460px;margin-left:auto}
.a-mock__img{position:relative;background:var(--stage);border-radius:14px;display:flex;justify-content:center;padding:14px;overflow:hidden}
.a-mock__img img{max-height:300px;width:auto}
.a-mock__q{padding:14px 6px 4px}
.a-mock__q small{display:block;color:var(--muted)}
.a-mock__q b{font-size:20px;display:block}
.a-mock__q span{color:var(--muted)}
.a-features{padding-bottom:40px}
.a-feature{padding:24px}
.a-feature h3{font-size:18px;margin:12px 0 6px}
.a-feature p{color:var(--muted)}
.a-feature__ic{width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center}
.a-features > .a-center{margin-top:22px}

/* auth */
.a-auth{display:grid;place-items:center;padding:56px 16px}
.a-auth__card{width:100%;max-width:440px;padding:32px}
.a-auth__card h1{font-size:26px;margin-bottom:6px}
.a-auth__alt{text-align:center;margin-top:14px;color:var(--muted);font-size:15px}
.a-form{display:grid;gap:14px;margin-top:20px}
.a-form.a-pad{margin-top:16px}
.a-field{display:grid;gap:6px}
.a-field > span{font-size:14px;font-weight:600;color:var(--ink-2)}
.a-field small{font-weight:400}
.a-input{width:100%;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:12px;padding:12px 14px;font:500 16px var(--font)}
.a-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
.a-check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);cursor:pointer}
.a-check input{margin-top:3px;accent-color:var(--primary);width:16px;height:16px}
.a-hp{position:absolute;left:-9999px}
.a-danger{margin-top:20px}
.a-prose ul{padding-left:20px;margin:8px 0}
.a-prose li{margin:4px 0}
.a-prose p{margin:6px 0;color:var(--ink-2)}

/* lesson head + tabs */
.a-lessonhead{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;flex-wrap:wrap;padding:14px 0 22px}
.a-lessonhead h1{font-size:30px;font-weight:700}
.a-lessonhead__stats{display:flex;gap:10px}
.a-lessonhead__stats div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;min-width:96px}
.a-lessonhead__stats b{display:block;font-size:22px;font-weight:700}
.a-lessonhead__stats small{font-size:14px;color:var(--muted);font-weight:500}
.a-lessonhead__stats span{font-size:13px;color:var(--muted)}
.a-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow-x:auto;scrollbar-width:none}
.a-tabs button,.a-tabs a{display:flex;align-items:center;gap:8px;border:0;background:transparent;padding:12px 14px;font:500 15px var(--font);color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;text-decoration:none;white-space:nowrap}
.a-tabs .is-on{color:var(--ink);border-bottom-color:var(--primary)}
.a-tabs .is-on .ic{color:var(--primary)}

/* study layout */
.a-study{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,1fr);gap:20px;align-items:start}
@media (max-width:900px){.a-study{grid-template-columns:1fr}}
.a-stage{position:relative;background:var(--stage);border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;padding:20px;min-height:420px;cursor:zoom-in;overflow:hidden}
@media (max-width:640px){.a-stage{min-height:280px;padding:12px}}
.a-fig{position:relative;display:inline-block;max-width:100%}
.a-fig img{display:block;max-width:100%;max-height:min(60vh,600px);width:auto;height:auto;user-select:none;-webkit-user-drag:none}
.a-fig svg.arrow{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.arrow .halo{stroke:#fff;stroke-width:9;fill:none;stroke-linecap:round}
.arrow .shaft{stroke:var(--arrow);stroke-width:4.5;fill:none;stroke-linecap:round}
.arrow .head{fill:var(--arrow);stroke:#fff;stroke-width:2;stroke-linejoin:round}
.arrow .ring{fill:none;stroke:var(--arrow);stroke-width:2.5;transform-box:fill-box;transform-origin:center;animation:a-pulse 1.8s ease-out infinite}
@keyframes a-pulse{0%{opacity:.85;transform:scale(.4)}100%{opacity:0;transform:scale(1.7)}}
@media (prefers-reduced-motion:reduce){.arrow .ring{animation:none;opacity:.5}}
.a-stage__cap{position:absolute;left:14px;bottom:12px;font-size:12px;font-weight:500;color:var(--muted);background:color-mix(in srgb,var(--surface) 88%,transparent);padding:4px 10px;border-radius:8px;max-width:calc(100% - 28px)}
.a-side{display:grid;gap:14px}
.a-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.a-q{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px;display:flex;justify-content:space-between;gap:10px}
.a-qtitle{font-size:22px;font-weight:600;margin-bottom:14px}
.a-ans{display:grid;gap:8px}
.a-ans__row{display:flex;gap:10px;align-items:baseline}
.a-flag{flex:none;font-size:11px;font-weight:700;letter-spacing:.06em;padding:3px 7px;border-radius:6px;background:var(--primary-soft);color:var(--primary)}
.a-flag--en{background:var(--blue-soft);color:var(--blue)}
.a-ans__pl{font-size:24px;font-weight:700;line-height:1.25}
.a-ans__en{font-size:19px;font-weight:500;color:var(--ink-2)}
.a-ans__note{margin-top:8px;padding:12px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);font-size:15px}
.a-ans__meta{font-size:13px;color:var(--muted);margin-top:4px}
.a-hidden{border:2px dashed var(--line-2);border-radius:14px;padding:22px;text-align:center;color:var(--muted)}
.a-hidden b{color:var(--ink-2)}
.a-rate{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px}
.a-rate button{border:1px solid var(--line);background:var(--surface-2);border-radius:12px;padding:11px 4px 9px;cursor:pointer;font:600 14px var(--font);color:var(--ink);display:grid;gap:2px;justify-items:center}
.a-rate button small{font-weight:500;color:var(--muted);font-size:12px}
.a-rate .r1{border-top:3px solid var(--again)}.a-rate .r1:hover{background:var(--again-soft)}
.a-rate .r2{border-top:3px solid var(--warn)}.a-rate .r2:hover{background:var(--warn-soft)}
.a-rate .r3{border-top:3px solid var(--ok)}.a-rate .r3:hover{background:var(--ok-soft)}
.a-rate .r4{border-top:3px solid var(--blue)}.a-rate .r4:hover{background:var(--blue-soft)}
.a-counts{display:flex;gap:18px;align-items:center;font-size:14px}
.a-counts span{display:flex;align-items:center;gap:6px;color:var(--muted)}
.a-counts b{font-size:17px;color:var(--ink)}
.a-counts i{width:8px;height:8px;border-radius:50%;display:inline-block}
.a-counts .c-new i{background:var(--blue)}.a-counts .c-learn i{background:var(--again)}.a-counts .c-rev i{background:var(--ok)}
.a-sessbar{height:6px;background:var(--sunk);border-radius:9px;overflow:hidden;margin-top:12px}
.a-sessbar span{display:block;height:100%;background:var(--sage);transition:width .3s}
.a-intro{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--blue);background:var(--blue-soft);padding:4px 9px;border-radius:99px;margin-bottom:10px}
.a-hint{font-size:13px;color:var(--muted)}
.a-hint kbd{margin:0 1px}
.a-endcard{text-align:center;padding:48px 24px}
.a-endcard__ic{width:64px;height:64px;border-radius:50%;background:var(--ok-soft);color:var(--ok);display:grid;place-items:center;margin:0 auto 16px}
.a-endcard__ic .ic{width:30px;height:30px}
.a-endcard h2{font-size:24px;margin-bottom:8px}
.a-endcard p{color:var(--muted);max-width:520px;margin:0 auto}
.a-endcard .a-row{justify-content:center}
.a-endstats{display:flex;justify-content:center;gap:28px;margin:22px 0 4px}
.a-endstats b{display:block;font-size:26px}
.a-endstats span{font-size:13px;color:var(--muted)}
.a-break{background:var(--sage-soft);color:var(--ink-2);border-radius:12px;padding:12px 14px;font-size:14px}

/* test */
.a-setup{max-width:720px}
.a-opt{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.a-opt:last-of-type{border-bottom:0}
.a-seg{display:inline-flex;background:var(--sunk);border-radius:12px;padding:3px;gap:2px;flex-wrap:wrap}
.a-seg button{border:0;background:transparent;padding:7px 12px;border-radius:9px;font:500 14px var(--font);color:var(--muted);cursor:pointer}
.a-seg button.is-on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.a-choices{display:grid;gap:8px}
.a-choice{text-align:left;border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px;font:500 15px var(--font);color:var(--ink);cursor:pointer;display:flex;gap:12px;align-items:flex-start}
.a-choice:hover{border-color:var(--primary)}
.a-choice .k{flex:none;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;background:var(--sunk);font-size:12px;font-weight:600;color:var(--muted)}
.a-choice small{display:block;color:var(--muted)}
.a-choice.is-ok{border-color:var(--ok);background:var(--ok-soft)}
.a-choice.is-bad{border-color:var(--again);background:var(--again-soft)}
.a-input.is-ok{border-color:var(--ok);background:var(--ok-soft)}
.a-input.is-bad{border-color:var(--again);background:var(--again-soft)}
.a-fb{border-radius:12px;padding:12px 14px;font-size:15px;margin-top:12px}
.a-fb--ok{background:var(--ok-soft);color:var(--ok)}
.a-fb--bad{background:var(--again-soft);color:var(--again)}
.a-fb b{color:var(--ink)}
.a-score{font-size:64px;font-weight:700;letter-spacing:-.03em;line-height:1}
.a-mist{display:grid;gap:8px;margin-top:16px}
.a-mist__row{display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:8px;background:var(--surface-2);cursor:pointer;text-align:left;font:inherit;color:inherit}
.a-mist__row img{width:64px;height:64px;object-fit:contain;background:var(--stage);border-radius:8px}
.a-mist__row small{color:var(--muted)}

/* list */
.a-listtools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.a-listtools .a-input{max-width:340px}
.a-grp{margin-bottom:16px;overflow:hidden}
.a-grp__h{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}
.a-grp__h h3{font-size:16px;font-weight:600}
.a-grp__h span{color:var(--muted);font-size:14px}
.a-rows{display:grid}
.a-rowi{display:grid;grid-template-columns:14px 1fr 1fr auto;gap:14px;align-items:center;padding:12px 20px;border-bottom:1px solid var(--line);cursor:pointer;background:none;border-left:0;border-right:0;border-top:0;text-align:left;font:inherit;color:inherit;width:100%}
.a-rowi:last-child{border-bottom:0}
.a-rowi:hover{background:var(--surface-2)}
.a-rowi .en{color:var(--muted)}
.a-rowi .go{color:var(--muted);font-size:13px}
@media (max-width:640px){.a-rowi{grid-template-columns:12px 1fr;padding:12px 14px}.a-rowi .en{grid-column:2;margin-top:-10px;font-size:14px}.a-rowi .go{display:none}}
.lvl{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.lvl.l1{background:var(--again)}.lvl.l2{background:var(--warn)}.lvl.l3{background:var(--sage)}.lvl.l4{background:var(--ok)}
.a-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.a-legend span{display:flex;align-items:center;gap:6px}

/* filter chips */
.a-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.a-fchip{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);border-radius:99px;padding:6px 12px;font:500 14px var(--font);cursor:pointer}
.a-fchip small{color:var(--muted);margin-left:4px}
.a-fchip.is-on{background:var(--primary-soft);border-color:transparent;color:var(--primary)}

/* weak */
.a-weaklist{display:grid;gap:8px}
.a-weakrow{display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:center;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.a-weakrow img{width:56px;height:56px;object-fit:contain;background:var(--stage);border-radius:10px}
.a-weakrow small{color:var(--muted);display:block}
.a-dots{display:flex;gap:4px}
.a-dots i{width:10px;height:10px;border-radius:50%;background:var(--sunk);border:1px solid var(--line-2)}
.a-dots i.on{background:var(--ok);border-color:var(--ok)}
.a-empty{text-align:center;padding:48px 24px}
.a-empty h2{font-size:22px;margin:12px 0 6px}
.a-empty p{color:var(--muted)}

/* lightbox */
.a-lb{position:fixed;inset:0;z-index:60;background:rgba(15,22,24,.6);display:grid;place-items:center;padding:16px}
.a-lb[hidden]{display:none}
.a-lb__card{background:var(--surface);border-radius:var(--r-lg);width:min(980px,100%);max-height:100%;overflow:auto;position:relative;padding:16px;box-shadow:var(--shadow-lg)}
.a-lb__fig{background:var(--stage);border-radius:14px;display:flex;justify-content:center;padding:16px}
.a-lb__fig img{max-height:70vh}
.a-lb__cap{padding:16px 6px 4px}
.a-lb__x{position:absolute;right:14px;top:12px;z-index:2;border:0;background:var(--surface);width:38px;height:38px;border-radius:50%;font-size:24px;cursor:pointer;color:var(--ink);box-shadow:var(--shadow)}

/* toast */
.a-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:14px;z-index:70;box-shadow:var(--shadow-lg);opacity:0;transition:opacity .2s}
.a-toast.is-on{opacity:1}
@media (max-width:860px){.a-toast{bottom:86px}}

/* atlas */
.a-page-atlas .a-foot{display:none}
.a-page-atlas .a-main{padding-bottom:0}
.a-atlas{display:grid;grid-template-columns:minmax(0,1fr) 380px;height:calc(100vh - 65px)}
@media (max-width:900px){.a-atlas{grid-template-columns:1fr;grid-template-rows:56vh auto;height:auto}}
.a-atlas__stage{position:relative;background:radial-gradient(circle at 50% 40%,var(--surface-2),var(--stage));overflow:hidden;touch-action:none}
.a-atlas__stage canvas{display:block;width:100%;height:100%;outline:none}
.a-atlas__loading{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:12px;color:var(--muted);z-index:2}
.a-spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--primary);animation:a-spin 1s linear infinite}
@keyframes a-spin{to{transform:rotate(360deg)}}
.a-atlas__hint{position:absolute;left:16px;bottom:14px;font-size:12px;color:var(--muted);background:color-mix(in srgb,var(--surface) 85%,transparent);padding:6px 10px;border-radius:8px;max-width:calc(100% - 32px)}
.a-atlas__tools{position:absolute;top:14px;left:14px;display:grid;gap:8px}
.a-atlas__panel{background:var(--surface);border-left:1px solid var(--line);overflow:auto;padding:20px;display:flex;flex-direction:column;gap:16px}
@media (max-width:900px){.a-atlas__panel{border-left:0;border-top:1px solid var(--line)}}
.a-atlas__modes{align-self:flex-start}
.a-atlas__opts{margin-top:auto;display:grid;gap:8px;padding-top:12px;border-top:1px solid var(--line)}
.a-bone h2{font-size:22px;font-weight:700}
.a-bone .en{color:var(--muted);font-size:16px;margin-top:2px}
.a-bone p{margin-top:10px;color:var(--ink-2);font-size:15px}
.a-slist{display:grid;gap:2px;margin-top:6px}
.a-sbtn{display:flex;justify-content:space-between;gap:10px;align-items:center;text-align:left;padding:9px 10px;border-radius:10px;border:0;background:transparent;font:inherit;font-size:15px;color:var(--ink);cursor:pointer}
.a-sbtn:hover{background:var(--surface-2)}
.a-sbtn.is-on{background:var(--primary-soft);color:var(--primary)}
.a-sbtn small{color:var(--muted);font-size:13px}
.a-sinfo{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:14px}
.a-sinfo b{font-size:18px;display:block}
.a-sinfo .en{color:var(--muted)}
.a-sinfo p{margin-top:8px;font-size:15px;color:var(--ink-2)}
.a-search{position:relative}
.a-search .a-input{padding-left:14px}
.a-results{display:grid;gap:2px;margin-top:6px;max-height:260px;overflow:auto}
.a-label3d{position:absolute;transform:translate(-50%,-130%);background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:3px 8px;font-size:12px;font-weight:600;white-space:nowrap;pointer-events:none;box-shadow:var(--shadow)}

/* footer */
.a-foot{border-top:1px solid var(--line);padding:24px 0 32px;color:var(--muted);font-size:14px;margin-top:20px}
.a-foot p{margin:4px 0}
.a-foot__small{font-size:12px}
.bars-empty{display:grid;place-items:center;color:var(--muted);font-size:14px;text-align:center;border:1.5px dashed var(--line);border-radius:12px;padding:0 20px}

/* przełącznik motywu */
.a-theme{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);display:grid;place-items:center;cursor:pointer;flex:none}
.a-theme:hover{color:var(--ink);border-color:var(--line-2)}
.a-theme .i-sun{display:none}
:root[data-theme="dark"] .a-theme .i-sun{display:block}:root[data-theme="dark"] .a-theme .i-moon{display:none}
.a-top__right{margin-left:auto;display:flex;align-items:center;gap:10px}
.a-top__right .a-user{margin-left:0}
.a-top__right .a-top__cta{margin-left:0}
/* etykiety 3D */
.a-label3d{display:grid;gap:1px;text-align:center;line-height:1.25}
.a-label3d b{font-size:13px}
.a-label3d span{font-size:12px;font-weight:500;color:var(--muted)}
.a-tip3d{pointer-events:none;z-index:3}
.hint-touch{display:none}
@media (hover:none){.hint-desk{display:none}.hint-touch{display:inline}}
/* telefon */
@media (max-width:640px){
  .a-top__in{height:58px;gap:10px}
  .a-brand span:last-child{font-size:17px}
  .a-top__cta .a-btn{padding:8px 12px;font-size:14px}
  .a-top__cta .a-btn--ghost{display:none}
  .a-hero__h{font-size:30px}
  .a-lead{font-size:16px}
  .a-mock{margin:0 auto}
  .a-hello h1,.a-pagehead h1,.a-lessonhead h1{font-size:24px}
  .a-num b{font-size:36px}
  .a-today__nums{gap:24px}
  .a-lessonhead{padding:8px 0 16px}
  .a-lessonhead__stats{width:100%}
  .a-lessonhead__stats div{flex:1;min-width:0;padding:8px 10px}
  .a-panel{padding:16px}
  .a-qtitle{font-size:19px}
  .a-ans__pl{font-size:21px}
  .a-rate{gap:6px}
  .a-rate button{font-size:13px;padding:10px 2px 8px}
  .a-auth{padding:24px 12px}
  .a-auth__card{padding:22px}
  .a-endstats{gap:16px;flex-wrap:wrap}
  .a-score{font-size:52px}
  .a-weakrow{grid-template-columns:48px 1fr;gap:10px}
  .a-weakrow img{width:48px;height:48px}
  .a-weakrow .a-dots{grid-column:2}
  .a-opt{flex-direction:column;align-items:flex-start}
  .a-atlas__panel{padding:16px}
  .a-atlas__tools{top:10px;left:10px;gap:6px}
  .a-atlas__tools .a-iconbtn{width:36px;height:36px}
  .a-atlas__hint{font-size:11px;left:10px;bottom:10px}
}
@media (max-width:900px){.a-page-atlas .a-foot{display:none}}
.a-label3d[hidden]{display:none!important}
/* przełącznik zdjęcie / 3D */
.a-viewtoggle{position:absolute;top:12px;right:12px;z-index:3;display:inline-flex;gap:2px;padding:3px;border-radius:11px;background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--line);box-shadow:var(--shadow)}
.a-viewtoggle button{display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;padding:6px 10px;border-radius:8px;font:600 13px var(--font);color:var(--muted);cursor:pointer}
.a-viewtoggle button .ic{width:15px;height:15px}
.a-viewtoggle button.is-on{background:var(--primary);color:var(--primary-ink)}
.a-viewtoggle button[disabled]{opacity:.4;cursor:not-allowed}
.a-stage.is-3d{cursor:grab;padding:0}
.a-3d{position:absolute;inset:0;touch-action:none}
.a-3d[hidden]{display:none}
.a-3d canvas{display:block;width:100%;height:100%;outline:none}
.a-3d__load{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:10px;color:var(--muted);font-size:14px}
.a-3d__hint{position:absolute;left:50%;transform:translateX(-50%);top:58px;font-size:12px;color:var(--muted);background:color-mix(in srgb,var(--surface) 85%,transparent);padding:4px 10px;border-radius:8px;transition:opacity .4s;pointer-events:none;white-space:nowrap}
.a-3d__reset{position:absolute;right:12px;bottom:12px;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow)}
.a-stage.is-3d .a-stage__cap{z-index:2;pointer-events:none}
@media (max-width:640px){.a-viewtoggle{top:8px;right:8px}.a-viewtoggle button{padding:6px 8px;font-size:12px}.a-3d__hint{top:50px;font-size:11px}}
.a-stage.is-3d{min-height:min(62vh,560px)}@media (max-width:640px){.a-stage.is-3d{min-height:360px}}
.a-fig[hidden]{display:none!important}
@media (max-width:640px){.a-stage.is-3d .a-stage__cap{display:none}}

/* wymowa */
.a-say{flex:none;width:34px;height:34px;margin-left:4px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--blue);display:inline-grid;place-items:center;cursor:pointer;align-self:center}
.a-say:hover{background:var(--blue-soft)}
.a-say.is-on{background:var(--blue);color:#fff;border-color:var(--blue)}
.a-say .ic{width:17px;height:17px}
.a-fb .a-say{width:28px;height:28px;vertical-align:middle}
details.a-ans__note{padding:0}
details.a-ans__note>summary{cursor:pointer;list-style:none;padding:10px 14px;font-weight:600;font-size:14px;color:var(--muted)}
details.a-ans__note>summary::-webkit-details-marker{display:none}
details.a-ans__note>div{padding:0 14px 12px}
details.a-ans__note[open]>summary{padding-bottom:4px}
.a-vt-txt{display:inline}
/* telefon: tylko struktura i nazwy */
@media (max-width:640px){
  .a-app .a-study, .a-page-review .a-study, .a-page-weak .a-study{gap:12px}
  .a-page-review .a-pagehead, .a-page-weak .a-study ~ .a-pagehead{display:none}
  .a-page-review .a-pagehead{display:none}
  .a-stage .a-stage__cap{display:none}
  .a-stage{min-height:300px;border-radius:16px}
  .a-fig img{max-height:52vh}
  .a-study .a-q, .a-study .a-qtitle, .a-study .a-hidden, .a-study .a-hint, .a-study .a-intro + .a-qtitle, .a-ans__meta, .a-flag, .a-side > .a-hint{display:none!important}
  .a-study .a-intro{margin-bottom:6px}
  .a-side > .a-panel:first-child:not(.qa):not(.qb){padding:10px 14px}
  .a-side > .a-panel:first-child .a-counts{display:none}
  .a-side > .a-panel:first-child .a-sessbar{margin-top:0}
  .a-ans{gap:4px}
  .a-ans__pl{font-size:25px}
  .a-ans__en{font-size:19px}
  .a-panel.qa .a-btn--lg{margin-top:10px!important}
  .a-viewtoggle .a-vt-txt{display:none}
  .a-lessonhead .a-row, .a-lessonhead > div > .a-muted, .a-crumbs{display:none}
  .a-lessonhead__stats div span{font-size:12px}
  .a-hello__sub{display:none}
}
.a-sinfo .en{display:flex;align-items:center;gap:6px}
@media (max-width:640px){.a-page-review .a-main,.a-page-weak .a-main{padding-top:12px}.a-panel kbd,.a-btn kbd{display:none}.a-sessbar{margin-top:0}}
@media (max-width:640px){.a-side > .a-panel:first-child:not(.qa):not(.qb){padding:4px 2px;border:0;background:none;box-shadow:none}}

/* ---------- atlas: filtry, lista grup, legenda ---------- */
.a-afilters{display:grid;gap:10px}
.a-afilter{display:grid;gap:6px}
.a-afilter__l{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.a-chips{display:flex;flex-wrap:wrap;gap:6px}
.a-chips .a-fchip{padding:5px 11px;font-size:13px}
.a-alist{display:grid;gap:8px}
.a-alist[hidden]{display:none!important}
.a-agroup{border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.a-agroup + .a-agroup{margin-top:6px}
.a-agroup>summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px 9px 12px;cursor:pointer;list-style:none;font-weight:600;font-size:15px}
.a-agroup>summary::-webkit-details-marker{display:none}
.a-agroup>summary::before{content:"";width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform .15s;flex:none;margin-right:2px}
.a-agroup[open]>summary::before{transform:rotate(45deg)}
.a-agroup__t{flex:1;display:flex;align-items:baseline;gap:6px;min-width:0}
.a-agroup__t small{font-weight:500;color:var(--muted);font-size:12px}
.a-agroup__show{flex:none;border:1px solid var(--line);background:var(--surface-2);color:var(--primary);border-radius:99px;padding:3px 10px;font:600 12px var(--font);cursor:pointer}
.a-agroup__show:hover{background:var(--primary-soft);border-color:transparent}
.a-agroup.is-focus{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}
.a-agroup .a-slist{padding:0 6px 8px;margin-top:0}
.a-agroup .a-sbtn{font-size:14px;padding:7px 8px}
.a-sbtn span{display:flex;align-items:center;gap:7px}
.a-dot{display:inline-block;width:9px;height:9px;border-radius:50%;flex:none;background:var(--muted)}
.a-dot--joint{background:#C98A2E}.a-dot--lig{background:#8EA6BE}.a-dot--fibro{background:#5F9FB2}.a-dot--membrane{background:#A9BCCB}
.a-kind{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.a-kind--joint{color:#A8711F}.a-kind--lig{color:#56728F}.a-kind--fibro{color:#3E7F92}.a-kind--membrane{color:#6A8193}
:root[data-theme="dark"] .a-kind--joint{color:#E2B064}:root[data-theme="dark"] .a-kind--lig{color:#A9C0D6}:root[data-theme="dark"] .a-kind--fibro{color:#8CC6D6}
.a-sinfo small{display:block;margin-top:8px}
.a-atlas__legend{position:absolute;top:14px;right:14px;display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12px;color:var(--ink-2);background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid var(--line);padding:6px 10px;border-radius:10px;max-width:calc(100% - 90px)}
.a-atlas__legend[hidden]{display:none}
.a-atlas__legend span{display:flex;align-items:center;gap:5px}
.lg{width:11px;height:11px;border-radius:3px;display:inline-block}
.lg--bone{background:#EDE6D6;border:1px solid #cfc6b2}.lg--lig{background:#8EA6BE}.lg--fibro{background:#5F9FB2}.lg--membrane{background:#A9BCCB}
@media (max-width:640px){
  .a-atlas__legend{top:auto;bottom:44px;right:10px;font-size:11px;gap:4px 8px}
  .a-afilters{gap:8px}
  .a-agroup>summary{font-size:14px}
}