/* Раздел Pluspunkt A1 (#pluspunkt). Цвета артиклей — как в учебнике: der синий, das зелёный, die красный (оттенки Okabe–Ito) + форма подчёркивания.
   Оценка ответов — палитра Okabe–Ito (верно синий, почти пурпурный, неверно оранжево-красный) и форма рамки. */
.pp { --pp-card:#fff; --pp-line:#e2e8f0; --pp-muted:#64748b; --pp-ink:#0f172a; --pp-soft:#f1f5f9; --pp-page:#f1f5f9; --pp-accent:#0369a1;
  --pp-ok:#0060a8; --pp-okbg:#dbeafe; --pp-near:#9c3d7a; --pp-nearbg:#f6e3f0; --pp-bad:#c2410c; --pp-badbg:#ffedd5;
  --pp-der:#0060a8; --pp-das:#007a5a; --pp-die:#c2410c;
  max-width: 52rem; margin: 0 auto; padding-bottom: 5rem; color: var(--pp-ink); }
.dark-theme .pp { --pp-card:#111f32; --pp-line:#243449; --pp-muted:#94a3b8; --pp-ink:#e2e8f0; --pp-soft:#0b1728; --pp-page:#08111f; --pp-accent:#7dd3fc;
  --pp-ok:#56b4e9; --pp-okbg:#0f2a40; --pp-near:#e59ccb; --pp-nearbg:#3a1d31; --pp-bad:#ff9a4d; --pp-badbg:#3d2010;
  --pp-der:#56b4e9; --pp-das:#2fc79c; --pp-die:#ff9a4d; }
.pp a { color: var(--pp-accent); text-decoration: none; }
.pp-der { color: var(--pp-der); font-weight: 700; } .pp-das { color: var(--pp-das); font-weight: 700; } .pp-die { color: var(--pp-die); font-weight: 700; }
/* Метка рода без цвета (для дальтоников): der — сплошная линия, das — двойная, die — пунктир. */
.pp-der, .pp-das, .pp-die { text-decoration-line: underline; text-decoration-thickness: 2px; text-underline-offset: .22em; text-decoration-skip-ink: none; }
.pp-der { text-decoration-style: solid; } .pp-das { text-decoration-style: double; text-decoration-thickness: 3px; } .pp-die { text-decoration-style: dashed; }
.pp-art-legend { display: flex; flex-wrap: wrap; gap: .3rem 1rem; }
.pp-muted { color: var(--pp-muted); } .pp-small { font-size: .85rem; }
.pp-h1 { font-family: 'Playfair Display', Georgia, serif; font-size: 1.6rem; font-weight: 700; margin: 1rem 0 .75rem; text-wrap: balance; }
.pp-h2 { font-size: 1.05rem; font-weight: 800; margin: 1.5rem 0 .5rem; }
.pp-h3 { font-size: .95rem; font-weight: 800; margin: 1.25rem 0 .5rem; }

/* шапка с переходом */
.pp-top { position: sticky; top: 0; z-index: 25; background: var(--pp-page); padding: calc(.6rem + env(safe-area-inset-top, 0px)) 0 .5rem; margin: 0 0 .5rem; box-shadow: 0 6px 8px -8px rgba(15,23,42,.35); }
.pp-top-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; margin-bottom: .4rem; }
.pp-brand { font-weight: 800; }
.pp-back { font-weight: 700; font-size: .9rem; }
.pp-book-toggle { display: inline-flex; background: var(--pp-line); border-radius: .75rem; padding: 3px; }
.pp-book-toggle button { border: 0; background: transparent; color: var(--pp-ink); font: inherit; font-size: .8rem; font-weight: 700; padding: .3rem .6rem; border-radius: .6rem; cursor: pointer; }
.pp-book-toggle button.is-on { background: var(--pp-card); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.pp-jump-wrap { position: relative; }
.pp-jump { width: 100%; font: inherit; font-size: 1.05rem; padding: .7rem .9rem; border: 2px solid var(--pp-line); border-radius: .9rem; background: var(--pp-card); color: var(--pp-ink); }
.pp-jump:focus { outline: none; border-color: var(--pp-accent); }
.pp-jump-results { position: absolute; left: 0; right: 0; top: calc(100% + 4px); background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: .9rem; box-shadow: 0 12px 30px rgba(15,23,42,.18); max-height: 60vh; overflow: auto; padding: .35rem; }
.pp-jump-results a { display: flex; align-items: center; gap: .5rem; padding: .55rem .6rem; border-radius: .6rem; color: var(--pp-ink); }
.pp-jump-results a.is-first, .pp-jump-results a:hover { background: var(--pp-soft); }
.pp-res-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9rem; }

/* главная */
.pp-continue { display: block; background: var(--pp-ink); color: var(--pp-card) !important; font-weight: 800; padding: .8rem 1rem; border-radius: .9rem; margin: .5rem 0; }
.pp-hw { background: var(--pp-card); border: 1px solid var(--pp-line); border-left: 4px solid #f59e0b; border-radius: .9rem; padding: .8rem 1rem; margin-bottom: .6rem; }
.pp-hw.is-handed { border-left-color: var(--pp-ok); opacity: .8; }
.pp-hw-head { display: flex; justify-content: space-between; gap: .5rem; }
.pp-handed { display: inline-flex; gap: .4rem; align-items: center; margin-top: .5rem; }
.pp-chips { display: flex; flex-wrap: wrap; gap: .35rem; margin: .4rem 0; }
.pp-chip { display: inline-block; border: 1px solid var(--pp-line); background: var(--pp-card); color: var(--pp-ink) !important; border-radius: 999px; padding: .25rem .65rem; font: inherit; font-size: .82rem; font-weight: 700; cursor: pointer; }
.pp-chip.is-on { background: var(--pp-ink); color: var(--pp-card) !important; border-color: var(--pp-ink); }
.pp-chip.st-done { background: var(--pp-okbg); border-color: var(--pp-ok); }
.pp-chip.st-progress { background: var(--pp-nearbg); border-color: var(--pp-near); }
.pp-pages { display: grid; grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr)); gap: .35rem; }
.pp-pg { display: flex; align-items: center; justify-content: center; height: 2.6rem; min-width: 2.6rem; border: 1px solid var(--pp-line); border-radius: .6rem; background: var(--pp-card); color: var(--pp-ink) !important; font-weight: 800; font-variant-numeric: tabular-nums; }
.pp-pg.is-empty { opacity: .35; }
.pp-pg.is-part { background: var(--pp-nearbg); border-color: var(--pp-near); }
.pp-pg.is-done { background: var(--pp-okbg); border-color: var(--pp-ok); }
.pp-pg.is-last { outline: 3px solid var(--pp-accent); outline-offset: 1px; }
.pp-lessons { display: grid; gap: .6rem; }
.pp-lesson { display: flex; gap: .8rem; background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: .9rem; padding: .8rem 1rem; color: var(--pp-ink) !important; }
.pp-lesson-n { font-family: 'Playfair Display', Georgia, serif; font-size: 2rem; font-weight: 700; line-height: 1; color: var(--pp-accent); }
.pp-lesson-body { display: flex; flex-direction: column; gap: .2rem; min-width: 0; flex: 1; }
.pp-bar { height: 6px; background: var(--pp-line); border-radius: 99px; overflow: hidden; margin: .25rem 0; }
.pp-bar span { display: block; height: 100%; background: var(--pp-ok); }
.pp-tools { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.25rem 0; }
.pp-tool { background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: .9rem; padding: .7rem 1rem; font-weight: 700; color: var(--pp-ink) !important; }
.pp kbd { border: 1px solid var(--pp-line); border-radius: .3rem; padding: 0 .3rem; font-family: 'DM Mono', monospace; }

/* страница */
.pp-pagenav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .5rem; margin: .75rem 0; }
.pp-pagenav > a:first-child { justify-self: start; font-weight: 800; }
.pp-pagenav > a:last-child { justify-self: end; font-weight: 800; }
.pp-pagetitle { display: flex; flex-direction: column; align-items: center; text-align: center; }
.pp-exlist { display: grid; grid-template-columns: minmax(0, 1fr); gap: .8rem; }
.pp-empty { background: var(--pp-card); border: 1px dashed var(--pp-line); border-radius: .9rem; padding: 1rem; color: var(--pp-muted); }

/* упражнение */
.pp-ex { background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: 1rem; padding: .9rem 1rem; scroll-margin-top: 8.5rem; }
.pp-ex.st-done { border-color: var(--pp-ok); }
.pp-ex.is-focus { box-shadow: 0 0 0 3px var(--pp-accent); }
.pp-ex-head { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.pp-ex-badge { font-family: 'DM Mono', monospace; font-size: .78rem; font-weight: 500; background: var(--pp-soft); border: 1px solid var(--pp-line); border-radius: .4rem; padding: .05rem .4rem; white-space: nowrap; }
.pp-mark { background: #f59e0b; color: #fff; font-size: .72rem; font-weight: 800; border-radius: .4rem; padding: .05rem .4rem; }
.pp-audio { font-size: .78rem; color: var(--pp-muted); }
a.pp-audio { color: inherit; text-decoration: none; border: 1px solid currentColor; border-radius: 999px; padding: 0 .45em; opacity: .85; }
a.pp-audio:hover, a.pp-audio:focus-visible { opacity: 1; text-decoration: underline; }
.pp-status { font-size: .75rem; font-weight: 800; border-radius: 999px; padding: .05rem .5rem; }
.pp-status.st-done { background: var(--pp-okbg); color: var(--pp-ok); }
.pp-status.st-progress { background: var(--pp-nearbg); color: var(--pp-near); }
.pp-link { margin-left: auto; color: var(--pp-muted) !important; font-weight: 700; padding: 0 .3rem; }
.pp-ex-de { font-size: 1rem; font-weight: 800; margin: .45rem 0 .15rem; }
.pp-ex-ru { color: var(--pp-muted); font-size: .9rem; margin: 0 0 .5rem; }
.pp-text { background: var(--pp-soft); border-left: 3px solid var(--pp-accent); border-radius: .5rem; padding: .6rem .8rem; margin: .5rem 0; font-size: .95rem; line-height: 1.55; }
.pp-note { font-size: .85rem; color: var(--pp-muted); margin: .25rem 0; }
.pp-hint { background: var(--pp-nearbg); border-radius: .6rem; padding: .55rem .75rem; font-size: .9rem; margin: .4rem 0; }
.pp-items { margin: .25rem 0; padding-left: 1.4rem; display: grid; grid-template-columns: minmax(0, 1fr); gap: .55rem; line-height: 2.1; }
.pp-order, .pp-set { list-style: none; padding-left: 0; }
.pp-gap { display: inline-flex; flex-direction: column; vertical-align: middle; max-width: 100%; }
.pp-in, .pp-sel, .pp-write { font: inherit; color: var(--pp-ink); background: var(--pp-card); border: 0; border-bottom: 2px solid var(--pp-accent); border-radius: .3rem .3rem 0 0; padding: .1rem .35rem; max-width: 100%; }
.pp-in { font-family: 'Caveat', 'Segoe Print', cursive; font-size: 1.35rem; line-height: 1.2; color: #1e40af; }
.dark-theme .pp-in { color: #93c5fd; }
.pp-in:focus, .pp-sel:focus, .pp-write:focus { outline: 2px solid var(--pp-accent); outline-offset: 1px; }
.pp-sel { border: 1px solid var(--pp-line); border-radius: .4rem; }
.pp-write { width: 100%; border: 1px solid var(--pp-line); border-radius: .6rem; padding: .6rem; font-size: 1rem; line-height: 1.5; }
.m-ok { background: var(--pp-okbg) !important; border: 2px solid var(--pp-ok) !important; }
.m-near { background: var(--pp-nearbg) !important; border: 3px dotted var(--pp-near) !important; }
.m-bad { border: 3px dashed var(--pp-bad) !important;
  background: repeating-linear-gradient(-45deg, var(--pp-badbg) 0 6px, transparent 6px 11px), var(--pp-card) !important; }
.m-empty { border: 3px dashed var(--pp-bad) !important; }
.pp-answer { font-size: .8rem; font-weight: 700; color: var(--pp-ok); line-height: 1.2; }
.pp-q { font-weight: 600; line-height: 1.4; }
.pp-opts { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .3rem; line-height: 1.3; }
.pp-opt { font: inherit; font-size: .88rem; text-align: left; border: 1px solid var(--pp-line); background: var(--pp-card); color: var(--pp-ink); border-radius: .6rem; padding: .35rem .6rem; cursor: pointer; }
.pp-opt.is-sel { border-color: var(--pp-accent); box-shadow: inset 0 0 0 1px var(--pp-accent); }
.pp-sample { background: var(--pp-okbg); border-radius: .6rem; padding: .6rem .8rem; margin-top: .5rem; font-size: .92rem; line-height: 1.5; }
.pp-summary { font-weight: 700; margin: .5rem 0 0; color: var(--pp-near); }
.pp-summary.is-ok { color: var(--pp-ok); }
.pp-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.pp-actions button, .pp-art { font: inherit; font-size: .88rem; font-weight: 700; border: 1px solid var(--pp-line); background: var(--pp-card); color: var(--pp-ink); border-radius: .7rem; padding: .5rem .85rem; cursor: pointer; min-height: 2.5rem; }
.pp-actions button.pp-primary { background: var(--pp-ink); color: var(--pp-card); border-color: var(--pp-ink); }
.pp button:focus-visible, .pp a:focus-visible { outline: 2px solid var(--pp-accent); outline-offset: 2px; }

/* урок */
.pp-tabs { display: flex; gap: .3rem; overflow-x: auto; border-bottom: 1px solid var(--pp-line); margin-bottom: .75rem; }
.pp-tabs a { padding: .5rem .8rem; font-weight: 800; color: var(--pp-muted) !important; border-bottom: 3px solid transparent; white-space: nowrap; }
.pp-tabs a.is-on { color: var(--pp-ink) !important; border-bottom-color: var(--pp-accent); }
.pp-pagerow { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .35rem; }
.pp-pagerow .pp-pg { flex: 0 0 2.6rem; }
.pp-vocab { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: .4rem; }
.pp-word { text-align: left; font: inherit; border: 1px solid var(--pp-line); background: var(--pp-card); color: var(--pp-ink); border-radius: .7rem; padding: .5rem .7rem; cursor: pointer; display: flex; flex-wrap: wrap; gap: .1rem .3rem; align-items: baseline; }
.pp-word.is-known { background: var(--pp-okbg); border-color: var(--pp-ok); }
.pp-ru { flex-basis: 100%; color: var(--pp-muted); font-size: .85rem; }
.pp-gram { background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: 1rem; padding: .8rem 1rem; margin-bottom: .7rem; overflow-x: auto; }
.pp-gram h3 { font-weight: 800; margin: 0 0 .4rem; }
.pp-gram table, .pp-table { border-collapse: collapse; font-size: .92rem; margin: .3rem 0; }
.pp-gram th, .pp-gram td, .pp-table td { border: 1px solid var(--pp-line); padding: .3rem .55rem; text-align: left; vertical-align: top; }
.pp-gram th { background: var(--pp-soft); }
.pp-table { width: 100%; background: var(--pp-card); }
.pp-mistakes { display: grid; gap: .5rem; }
.pp-mistake { background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: .8rem; padding: .6rem .8rem; }
.pp-mistake s { color: var(--pp-bad); }

/* тренажёр */
.pp-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; width: 100%; min-height: 11rem; background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: 1.2rem; padding: 1.2rem; font: inherit; color: var(--pp-ink); cursor: pointer; text-align: center; }
.pp-card-word { font-size: 1.8rem; font-weight: 800; }
.pp-card-ru { font-size: 1.1rem; }
.pp-card-res.is-ok { color: var(--pp-ok); font-weight: 800; } .pp-card-res.is-bad { color: var(--pp-bad); font-weight: 800; }
.pp-known { color: var(--pp-ok); font-weight: 800; }
.pp-art-btns .pp-art { flex: 1; font-size: 1.1rem; }
.pp-art.pp-der { border: 2px solid var(--pp-der); } .pp-art.pp-das { border: 4px double var(--pp-das); } .pp-art.pp-die { border: 2px dashed var(--pp-die); }
@media (prefers-reduced-motion: reduce) { .pp * { scroll-behavior: auto !important; } }

/* синхронизация (этап 2) */
.pp-sync { font-size: .75rem; color: var(--pp-muted); margin-left: auto; margin-right: .5rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 45vw; }
.pp-sync-card { background: var(--pp-card); border: 1px solid var(--pp-line); border-radius: .9rem; padding: .8rem 1rem; margin: .6rem 0; display: flex; flex-direction: column; gap: .4rem; }
.pp-sync-card button { align-self: flex-start; font: inherit; font-size: .85rem; font-weight: 700; border: 1px solid var(--pp-line); background: var(--pp-soft); color: var(--pp-ink); border-radius: .6rem; padding: .4rem .8rem; cursor: pointer; }
.pp-login-row { display: flex; gap: .4rem; flex-wrap: wrap; }
.pp-login-row input { flex: 1; min-width: 10rem; font: inherit; padding: .5rem .7rem; border: 1px solid var(--pp-line); border-radius: .6rem; background: var(--pp-card); color: var(--pp-ink); }
.pp-login-row button { background: var(--pp-ink); color: var(--pp-card); border-color: var(--pp-ink); }