/* =====================================================================
   Deutsch Lernen — Dark glassmorphism + gradient mesh + neon accents
   ===================================================================== */

:root {
    --bg-0:       #0a0a12;
    --bg-1:       #11111c;
    --surface:    rgba(255, 255, 255, 0.05);
    --surface-2:  rgba(255, 255, 255, 0.09);
    --border:     rgba(255, 255, 255, 0.12);
    --border-2:   rgba(255, 255, 255, 0.22);

    /* Kontrast ≥ 8:1 (WCAG AAA) gegen --bg-0 */
    --text:       #f5f5fa;
    --text-dim:   #c4c4d4;
    --text-faint: #a8a8be;

    /* Typ-Farben — czyste kolory, każdy typ swój */
    --c-praes:    #7db3ff;  /* niebieski — Präsens */
    --c-praet:    #fbbf5c;  /* bursztynowy — Präteritum */
    --c-perf:     #4ade80;  /* zielony — Perfekt */
    --c-artikel:  #d8b4ff;  /* fiolet — Artikel (der/die/das) */

    /* Tła akcentowe dla form-row (bardzo subtelne) */
    --bg-praes:   rgba(125, 179, 255, 0.08);
    --bg-praet:   rgba(251, 191, 92, 0.08);
    --bg-perf:    rgba(74, 222, 128, 0.08);
    --bg-artikel: rgba(216, 180, 255, 0.08);

    --border-praes:   rgba(125, 179, 255, 0.35);
    --border-praet:   rgba(251, 191, 92, 0.35);
    --border-perf:    rgba(74, 222, 128, 0.35);
    --border-artikel: rgba(216, 180, 255, 0.35);

    /* Akcenty aplikacji (dla przycisków i linków) */
    --accent-1:   #b4a0ff;
    --accent-2:   #00e5c7;
    --accent-3:   #ff8bbe;

    /* Stany */
    --ok:         #4ade80;
    --err:        #ff8fa3;
    --warn:       #fbbf5c;

    --on-accent:  #050410;

    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 18px;
    --r-xl: 22px;

    --font-display: "Fraunces", ui-serif, Georgia, serif;
    --font-ui:      "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
    --font-mono:    "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

/* Zapewnij, że ukryte widoki są faktycznie ukryte
   (niezależnie od kolejności ładowania Bootstrap) */
.view.d-none { display: none !important; }
.d-none      { display: none !important; }

html, body {
    background: var(--bg-0);
    color: var(--text);
    font-family: var(--font-ui);
    min-height: 100vh;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

main.container { max-width: 940px; position: relative; z-index: 1; }

/* ======== Animated mesh gradient background + noise ======== */
.mesh-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(124, 92, 255, .22), transparent 60%),
        radial-gradient(900px 500px at 110% 10%, rgba(0, 229, 199, .15), transparent 60%),
        radial-gradient(700px 700px at 50% 120%, rgba(255, 110, 169, .14), transparent 60%),
        linear-gradient(180deg, #08070d 0%, #0c0b15 100%);
}
.blob {
    position: absolute;
    width: 520px; height: 520px;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .55;
    mix-blend-mode: screen;
    animation: float 22s ease-in-out infinite;
}
.blob-1 { background: #7c5cff; top: -10%; left: -10%; }
.blob-2 { background: #00e5c7; bottom: -15%; right: -5%; animation-delay: -7s; animation-duration: 28s; }
.blob-3 { background: #ff6ea9; top: 40%; left: 45%; width: 360px; height: 360px; animation-delay: -13s; animation-duration: 34s; opacity: .35; }

@keyframes float {
    0%,100% { transform: translate(0,0) scale(1); }
    33%     { transform: translate(40px,-30px) scale(1.08); }
    66%     { transform: translate(-30px,40px) scale(.95); }
}

.noise {
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/></svg>");
    opacity: .06;
    mix-blend-mode: overlay;
    pointer-events: none;
}

/* ======== Header ======== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 18px 0 14px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: linear-gradient(180deg, rgba(8,7,13,.7), rgba(8,7,13,.35));
    border-bottom: 1px solid var(--border);
}
.brand {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none; color: var(--text);
}
.brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: var(--on-accent);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -.02em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -.01em;
}
.brand-sub {
    font-size: .72rem;
    color: var(--text-faint);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-top: 2px;
}
.header-meta {
    display: flex; align-items: center; gap: 8px;
    font-size: .78rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
    letter-spacing: .02em;
}
.header-meta .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--ok);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%,100% { opacity: 1; transform: scale(1); }
    50%     { opacity: .45; transform: scale(.85); }
}

/* ======== Hero ======== */
.hero { margin-top: 24px; }
.eyebrow {
    color: var(--accent-2);
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.hero-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -.03em;
    margin: 0 0 .5rem;
}
.hero-title em {
    font-style: italic;
    font-weight: 400;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2) 60%, var(--accent-3));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-sub {
    color: var(--text-dim);
    font-size: 1.05rem;
    max-width: 44ch;
}

/* ======== Test-Liste ======== */
.tests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}
.test-card {
    position: relative;
    padding: 26px;
    border-radius: var(--r-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    cursor: pointer;
    transition: transform .3s cubic-bezier(.2,.8,.2,1),
                border-color .3s ease,
                background .3s ease;
    overflow: hidden;
}
.test-card::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(400px 200px at 50% 0%, rgba(124,92,255,.18), transparent 60%);
    opacity: 0;
    transition: opacity .3s ease;
    pointer-events: none;
}
.test-card:hover:not(.disabled) {
    transform: translateY(-4px);
    border-color: var(--border-2);
    background: var(--surface-2);
}
.test-card:hover:not(.disabled)::before { opacity: 1; }

.test-card .test-icon-wrap {
    width: 54px; height: 54px;
    border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(124,92,255,.25), rgba(0,229,199,.2));
    border: 1px solid var(--border-2);
    margin-bottom: 18px;
    font-size: 1.45rem;
    color: #fff;
}
.test-card.disabled .test-icon-wrap {
    background: rgba(255,255,255,.04);
    color: var(--text-faint);
}
.test-card h4 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.3rem;
    letter-spacing: -.01em;
    margin: 0 0 6px;
    color: var(--text);
}
.test-card p {
    font-size: .9rem;
    color: var(--text-dim);
    margin: 0 0 18px;
    min-height: 2.5em;
}
.test-card.disabled { opacity: .48; cursor: not-allowed; }

.test-cta {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .85rem; font-weight: 600;
    color: var(--accent-2);
    letter-spacing: .04em;
    text-transform: uppercase;
}
.test-card.disabled .test-cta { color: var(--text-faint); }
.test-card:hover:not(.disabled) .test-cta i {
    transform: translateX(4px);
}
.test-cta i { transition: transform .3s ease; }

.soon-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--border);
    color: var(--text-faint);
    font-size: .72rem; font-weight: 600;
    letter-spacing: .1em; text-transform: uppercase;
}

.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-dim);
    padding: 60px 20px;
}
.loader {
    width: 34px; height: 34px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-2);
    border-radius: 50%;
    margin: 0 auto 14px;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ======== Quiz-Topbar, Progress ======== */
.quiz-topbar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 18px;
}
.icon-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 14px;
    border-radius: 12px;
    font-family: var(--font-ui);
    font-size: .88rem; font-weight: 500;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all .2s ease;
    display: inline-flex; align-items: center;
}
.icon-btn:hover {
    background: var(--surface-2);
    border-color: var(--border-2);
    transform: translateY(-1px);
}
.quiz-title {
    font-family: var(--font-mono);
    font-size: .8rem;
    color: var(--text-dim);
    letter-spacing: .08em;
    text-transform: uppercase;
    text-align: center;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.progress-wrap { margin-bottom: 18px; }
.progress-track {
    height: 6px;
    background: rgba(255,255,255,.06);
    border-radius: 999px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--c-praes), var(--c-perf));
    border-radius: 999px;
    transition: width .5s cubic-bezier(.2,.8,.2,1);
}

/* ======== Stats ======== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}
.stat-glass {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px 14px;
    backdrop-filter: blur(12px);
    text-align: center;
}
.stat-label {
    font-size: .7rem;
    color: var(--text-faint);
    letter-spacing: .12em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 4px;
}
.stat-label i { font-size: .8rem; margin-right: 3px; }
.stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -.02em;
    line-height: 1.1;
    color: var(--text);
}
.stat-ok  { color: var(--ok); }
.stat-err { color: var(--err); }
.stat-acc { color: var(--accent-2); }

/* ======== Glass card (Quiz + Finished) ======== */
.glass-card {
    position: relative;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: clamp(22px, 4vw, 40px);
    overflow: hidden;
}

.q-header { text-align: center; padding-top: 6px; }
.q-eyebrow {
    font-family: var(--font-mono);
    font-size: .72rem;
    color: var(--accent-2);
    letter-spacing: .2em;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.q-infinitiv {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.5rem, 7vw, 4.4rem);
    letter-spacing: -.035em;
    line-height: 1;
    margin: 0 0 20px;
    color: var(--text);
}

/* ======== Übersetzungs-Toggles ======== */
.translations {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}
.trans-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: var(--font-ui);
    font-size: .88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all .25s ease;
    min-width: 140px;
    justify-content: flex-start;
}
.trans-btn:hover {
    background: var(--surface-2);
    border-color: var(--border-2);
    color: var(--text);
    transform: translateY(-1px);
}
.trans-btn .flag {
    font-size: 1.05rem;
    filter: grayscale(.3);
    transition: filter .25s ease;
}
.trans-btn .trans-label {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: .1em;
}
.trans-btn .trans-value {
    font-style: italic;
    transition: opacity .3s ease, filter .3s ease;
    filter: blur(6px);
    opacity: .55;
    color: var(--text);
    user-select: none;
}
.trans-btn .trans-icon {
    margin-left: auto;
    font-size: .85rem;
    color: var(--text-faint);
    transition: color .2s ease;
}
.trans-btn[aria-expanded="true"] {
    background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(0,229,199,.12));
    border-color: rgba(124,92,255,.35);
    color: var(--text);
}
.trans-btn[aria-expanded="true"] .flag { filter: none; }
.trans-btn[aria-expanded="true"] .trans-value {
    filter: blur(0);
    opacity: 1;
    user-select: text;
}
.trans-btn[aria-expanded="true"] .trans-icon {
    color: var(--accent-2);
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-2), transparent);
    margin: 28px 0;
}

/* ======== Formen + Optionen ======== */
.form-row {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: var(--r-md);
    border-left: 3px solid transparent;
    background: rgba(255,255,255,.02);
    transition: background .2s ease, border-color .2s ease;
}
.form-row[data-form="praesens"] {
    background: var(--bg-praes);
    border-left-color: var(--c-praes);
}
.form-row[data-form="praeteritum"] {
    background: var(--bg-praet);
    border-left-color: var(--c-praet);
}
.form-row[data-form="perfekt"] {
    background: var(--bg-perf);
    border-left-color: var(--c-perf);
}
.form-row[data-form="artikel"] {
    background: var(--bg-artikel);
    border-left-color: var(--c-artikel);
}

.form-label-row {
    display: flex; align-items: center;
    margin-bottom: 10px;
}
.form-dot {
    width: 8px; height: 8px; border-radius: 50%;
    margin-right: 10px;
}
.dot-praes   { background: var(--c-praes); }
.dot-praet   { background: var(--c-praet); }
.dot-perf    { background: var(--c-perf); }
.dot-artikel { background: var(--c-artikel); }

.form-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: -.01em;
}
.form-row[data-form="praesens"]     .form-name { color: var(--c-praes); }
.form-row[data-form="praeteritum"]  .form-name { color: var(--c-praet); }
.form-row[data-form="perfekt"]      .form-name { color: var(--c-perf); }
.form-row[data-form="artikel"]      .form-name { color: var(--c-artikel); }

.form-tag {
    margin-left: 10px;
    font-family: var(--font-mono);
    font-size: .7rem;
    color: var(--text-faint);
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    letter-spacing: .05em;
}

.options-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.option-btn {
    position: relative;
    padding: 13px 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: .98rem;
    cursor: pointer;
    transition: all .2s ease;
    text-align: center;
    letter-spacing: -.005em;
    word-break: break-word;
    line-height: 1.2;
}
.option-btn:hover:not(:disabled) {
    background: rgba(255,255,255,.11);
    border-color: var(--border-2);
    transform: translateY(-1px);
}
.option-btn:active:not(:disabled) { transform: translateY(0); }
.option-btn:disabled { cursor: default; }

.option-btn.is-correct {
    background: rgba(74, 222, 128, 0.18);
    border-color: var(--ok);
    color: var(--ok);
}
.option-btn.is-wrong {
    background: rgba(255, 143, 163, 0.18);
    border-color: var(--err);
    color: var(--err);
}
.option-btn.is-revealed-correct {
    background: rgba(74, 222, 128, 0.1);
    border-color: rgba(74, 222, 128, 0.5);
    color: var(--ok);
}
.option-btn.is-revealed-correct::after {
    content: "✓";
    position: absolute;
    top: 4px; right: 8px;
    font-size: .8rem;
    opacity: .8;
}

.feedback {
    min-height: 1.2rem;
    font-size: .85rem;
    margin-top: 8px;
    font-family: var(--font-mono);
    letter-spacing: -.005em;
}
.feedback.ok  { color: var(--ok); }
.feedback.err { color: var(--err); }
.feedback strong { color: var(--text); font-family: var(--font-ui); font-weight: 600; }

/* ======== Next button ======== */
.next-wrap { text-align: center; margin-top: 28px; }
.btn-next {
    position: relative;
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 32px;
    border-radius: 999px;
    border: none;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: .02em;
    color: var(--on-accent);
    background: var(--accent-2);
    cursor: pointer;
    transition: transform .2s ease, background .2s ease;
}
.btn-next:hover { transform: translateY(-1px); background: #3ff0d4; }
.btn-next i { transition: transform .2s ease; }
.btn-next:hover i { transform: translateX(3px); }

/* ======== Finished ======== */
.finished-card { max-width: 640px; margin: 0 auto; }
.trophy {
    width: 96px; height: 96px;
    border-radius: 28px;
    margin: 0 auto 22px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 3rem;
    background: var(--warn);
    color: #20150a;
}
.finished-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 2.4rem;
    letter-spacing: -.03em;
    margin: 0 0 6px;
}
.finished-sub { color: var(--text-dim); margin-bottom: 26px; }
.stats-final { max-width: 500px; margin: 0 auto 28px; }
.finished-actions {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
}
.btn-primary-g {
    padding: 12px 26px;
    border-radius: 999px;
    border: none;
    background: var(--accent-2);
    color: var(--on-accent);
    font-family: var(--font-ui); font-weight: 600;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease;
}
.btn-primary-g:hover { transform: translateY(-1px); background: #3ff0d4; }
.btn-ghost {
    padding: 12px 26px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-ui); font-weight: 500;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all .2s ease;
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-2); }

/* ======== Footer ======== */
.app-footer {
    text-align: center;
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .08em;
    padding: 30px 0 40px;
    position: relative; z-index: 1;
}
.app-footer .sep { margin: 0 8px; opacity: .5; }

/* =====================================================================
   STICKY TOP BAR (quiz view: infinitiv + tłumaczenia + progress)
   ===================================================================== */
.sticky-top-bar {
    position: sticky;
    top: 0;
    z-index: 20;
    margin: -24px -12px 24px;  /* wychodzi poza padding container */
    padding: 18px 12px 14px;
    background: linear-gradient(180deg, rgba(11,10,20,.92) 0%, rgba(11,10,20,.82) 85%, transparent 100%);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.sticky-top-inner {
    max-width: 940px;
    margin: 0 auto;
    text-align: center;
}
.quiz-head-meta {
    display: flex; justify-content: center; align-items: center;
    margin-bottom: 8px;
}
.q-eyebrow-sm {
    font-family: var(--font-mono);
    font-size: .68rem;
    color: var(--text-faint);
    letter-spacing: .18em;
    text-transform: uppercase;
}
.q-eyebrow-sm span { color: var(--accent-2); }

.sticky-top-bar .q-infinitiv {
    font-size: clamp(2rem, 5.5vw, 3.4rem);
    margin: 0 0 12px;
    transition: font-size .2s ease;
}

/* Compact mode gdy użytkownik scrolluje w dół */
.sticky-top-bar.is-compact {
    padding-top: 10px;
    padding-bottom: 10px;
}
.sticky-top-bar.is-compact .q-infinitiv {
    font-size: clamp(1.4rem, 3.5vw, 2.1rem);
    margin-bottom: 8px;
}
.sticky-top-bar.is-compact .quiz-head-meta {
    display: none;
}
.sticky-top-bar.is-compact .translations {
    margin-bottom: 6px;
}

/* =====================================================================
   STICKY BOTTOM DOCK (menü + statystyki)
   ===================================================================== */
.bottom-dock {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 30;
    background: linear-gradient(0deg, rgba(8,7,13,.94) 0%, rgba(8,7,13,.82) 70%, transparent 100%);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-top: 1px solid rgba(255,255,255,.06);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

/* Stats-Leiste nur im Quiz sichtbar */
.bottom-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    padding: 10px 14px 6px;
    max-width: 940px;
    margin: 0 auto;
    background: rgba(255,255,255,.02);
    border-bottom: 1px solid rgba(255,255,255,.04);
}
.bstat {
    text-align: center;
    padding: 4px 6px;
}
.bstat-label {
    font-size: .66rem;
    color: var(--text-faint);
    letter-spacing: .1em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 2px;
}
.bstat-label i { font-size: .72rem; margin-right: 2px; }
.bstat-value {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -.02em;
    line-height: 1.1;
}

/* Menü: 5 Buttons in einer Reihe */
.bottom-menu {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    padding: 8px 10px 10px;
    max-width: 940px;
    margin: 0 auto;
}
.menu-btn {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px;
    padding: 9px 4px 8px;
    border-radius: 14px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-dim);
    font-family: var(--font-ui);
    font-size: .68rem;
    font-weight: 500;
    letter-spacing: .04em;
    cursor: pointer;
    transition: all .2s ease;
}
.menu-btn i, .menu-flag {
    font-size: 1.3rem;
    line-height: 1;
    color: var(--text);
    transition: color .2s ease, transform .2s ease;
}
.menu-btn span:last-child {
    font-size: .68rem;
    opacity: .75;
}
.menu-btn:hover:not(:disabled) {
    background: rgba(255,255,255,.06);
    color: var(--text);
}
.menu-btn:hover:not(:disabled) i,
.menu-btn:hover:not(:disabled) .menu-flag {
    transform: translateY(-1px);
}
.menu-btn:disabled {
    opacity: .35;
    cursor: not-allowed;
}
.menu-btn.is-active {
    background: linear-gradient(135deg, rgba(124,92,255,.2), rgba(0,229,199,.15));
    border-color: rgba(124,92,255,.35);
    color: var(--text);
}
.menu-btn.is-active i,
.menu-btn.is-active .menu-flag {
    color: var(--accent-2);
}

/* Primary menu button (Weiter) */
.menu-btn.menu-primary {
    position: relative;
}
.menu-btn.menu-primary:not(:disabled) {
    color: var(--text);
}
.menu-btn.menu-primary:not(:disabled) i {
    color: var(--accent-2);
    font-size: 1.6rem;
}

/* Zapewnij miejsce na dole strony aby treść nie była zasłonięta */
body.has-bottom-dock main {
    padding-bottom: 160px !important;
}
body.has-bottom-dock-stats main {
    padding-bottom: 220px !important;
}

/* =====================================================================
   Header: hide on quiz view (sticky-top przejmuje) — nope, zostawiamy
   ===================================================================== */
body.view-quiz .app-header {
    /* Opcjonalnie: minimalizuj header na quizie */
    padding-top: 10px;
    padding-bottom: 8px;
}
body.view-quiz .brand-sub { display: none; }
body.view-quiz .header-meta { display: none !important; }

/* ======== Responsive ======== */
@media (max-width: 760px) {
    main.container { padding-left: 12px !important; padding-right: 12px !important; padding-top: 12px !important; }

    /* Header kompakter */
    .app-header { padding: 10px 0 8px; }
    .brand-mark { width: 36px; height: 36px; font-size: 15px; border-radius: 10px; }
    .brand-title { font-size: 1rem; }
    .brand-sub { display: none; }
    .header-meta { display: none !important; }

    /* Hero kleiner */
    .hero { margin-top: 8px; margin-bottom: 20px !important; }
    .hero-title { font-size: 2rem; margin-bottom: 4px; }
    .hero-sub { font-size: .95rem; }
    .eyebrow { font-size: .7rem; margin-bottom: 6px; }

    /* Test-Karten kompakt */
    .tests-grid { gap: 12px; grid-template-columns: 1fr; }
    .test-card { padding: 18px; }
    .test-card .test-icon-wrap { width: 44px; height: 44px; margin-bottom: 12px; font-size: 1.2rem; }
    .test-card h4 { font-size: 1.15rem; }
    .test-card p { font-size: .88rem; margin-bottom: 12px; min-height: 0; }

    /* Sticky top kompakt */
    .sticky-top-bar { margin: -12px -12px 14px; padding: 10px 12px 8px; }
    .sticky-top-bar .q-infinitiv { font-size: 2rem; margin-bottom: 8px; }
    .quiz-head-meta { margin-bottom: 4px; }
    .translations { gap: 6px; margin-bottom: 8px; }
    .trans-btn { padding: 6px 10px; min-width: 0; flex: 1; font-size: .82rem; }
    .trans-btn .trans-value { font-size: .85rem; }

    /* Glass card kompakt */
    .glass-card { padding: 16px 14px !important; border-radius: var(--r-lg); }
    .quiz-body { margin-bottom: 8px; }

    /* Form rows bliżej siebie */
    .form-row { margin-bottom: 12px; }
    .form-label-row { margin-bottom: 6px; }
    .form-name { font-size: 1rem; }
    .form-tag { font-size: .65rem; padding: 2px 6px; }

    /* Opcje: 1 kolumna, kompaktowe */
    .options-row { grid-template-columns: 1fr; gap: 6px; }
    .option-btn { padding: 11px 10px; font-size: .98rem; }

    .feedback { font-size: .8rem; margin-top: 6px; }

    /* Next button */
    .next-wrap { margin-top: 18px; }
    .btn-next { padding: 12px 24px; font-size: .95rem; }

    /* Bottom dock kompakter */
    .bottom-stats { padding: 6px 10px 4px; gap: 0; }
    .bstat { padding: 2px 4px; }
    .bstat-label { font-size: .58rem; letter-spacing: .06em; margin-bottom: 0; }
    .bstat-label i { font-size: .68rem; }
    .bstat-value { font-size: 1.1rem; }

    .bottom-menu { padding: 6px 8px 8px; gap: 2px; }
    .menu-btn { padding: 6px 2px 5px; font-size: .6rem; gap: 2px; }
    .menu-btn i, .menu-flag { font-size: 1.1rem; }
    .menu-btn.menu-primary:not(:disabled) i { font-size: 1.35rem; }

    body.has-bottom-dock main { padding-bottom: 80px !important; }
    body.has-bottom-dock-stats main { padding-bottom: 130px !important; }
}

@media (max-width: 420px) {
    main.container { padding-left: 10px !important; padding-right: 10px !important; }
    .sticky-top-bar { margin-left: -10px; margin-right: -10px; padding-left: 10px; padding-right: 10px; }
    .sticky-top-bar .q-infinitiv { font-size: 1.75rem; }
    .translations { flex-wrap: nowrap; }
    .trans-btn .trans-label { display: none; }

    /* Na najmniejszych: pokaż tylko ikony w menu */
    .menu-btn span:last-child { display: none; }
    .bottom-menu { grid-template-columns: repeat(5, 1fr); }
}

/* Pełnoekranowy PWA-mode: zero marginesów górnych na iOS */
@media (display-mode: standalone), (display-mode: fullscreen) {
    body { padding-top: env(safe-area-inset-top, 0); }
    .bottom-dock { padding-bottom: env(safe-area-inset-bottom, 0); }
}

/* =====================================================================
   PWA Install Banner + Toast
   ===================================================================== */
.pwa-banner {
    position: fixed;
    left: 10px; right: 10px;
    top: 10px;
    z-index: 9999;
    padding: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(180,160,255,.2), rgba(0,229,199,.15));
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border: 1px solid rgba(255,255,255,.18);
    
    transform: translateY(-120%);
    opacity: 0;
    transition: transform .4s cubic-bezier(.2,.9,.3,1), opacity .3s ease;
    max-width: 560px;
    margin: 0 auto;
}
.pwa-banner.is-visible { transform: translateY(0); opacity: 1; }

.pwa-banner-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
}
.pwa-banner-icon img {
    border-radius: 12px;
    display: block;
    
}
.pwa-banner-text { flex: 1; min-width: 0; }
.pwa-banner-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    letter-spacing: -.01em;
    line-height: 1.2;
}
.pwa-banner-sub {
    font-size: .82rem;
    color: var(--text-dim);
    margin-top: 2px;
    line-height: 1.3;
}
.pwa-banner-btn {
    padding: 9px 18px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: var(--on-accent);
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .02em;
    cursor: pointer;
    white-space: nowrap;
    
    transition: transform .15s ease;
}
.pwa-banner-btn:hover { transform: translateY(-1px); }
.pwa-banner-btn:active { transform: translateY(0); }

.pwa-banner-close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    border-radius: 8px;
    transition: all .15s ease;
}
.pwa-banner-close:hover {
    color: var(--text);
    background: rgba(255,255,255,.08);
}

/* Body-padding gdy banner widoczny (żeby header nie był zasłonięty) */
body.has-pwa-banner .app-header { top: 82px; }

@media (max-width: 480px) {
    .pwa-banner { left: 8px; right: 8px; top: 8px; }
    .pwa-banner-inner {
        padding: 10px 12px;
        gap: 10px;
        flex-wrap: wrap;
    }
    .pwa-banner-icon img { width: 38px; height: 38px; }
    .pwa-banner-title { font-size: .92rem; }
    .pwa-banner-sub {
        font-size: .76rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .pwa-banner-btn {
        padding: 7px 14px;
        font-size: .78rem;
        /* Przycisk wchodzi do pełnej szerokości pod tekst gdy brakuje miejsca */
        flex-basis: 100%;
        order: 4;
        margin-top: 4px;
    }
    .pwa-banner-close {
        order: 3;
        margin-left: auto;
        align-self: flex-start;
    }
    .pwa-banner-text { flex: 1 1 auto; min-width: 0; }
    body.has-pwa-banner .app-header { top: 120px; }
}

/* PWA Toast */
.pwa-toast {
    position: fixed;
    bottom: 96px;
    left: 50%;
    transform: translate(-50%, 20px);
    z-index: 9999;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: var(--on-accent);
    border-radius: 999px;
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: .9rem;
    
    opacity: 0;
    transition: all .3s ease;
    max-width: calc(100vw - 40px);
    text-align: center;
}
.pwa-toast.is-visible { transform: translate(-50%, 0); opacity: 1; }

/* Standalone mode fine-tuning */
body.is-standalone .app-header {
    /* In PWA-modie headbar troche węższy */
    padding: 14px 0 10px;
}

/* =====================================================================
   Bottom title (nazwa testu małymi literami)
   ===================================================================== */
.bottom-title {
    text-align: center;
    padding: 8px 10px 2px;
    max-width: 940px;
    margin: 0 auto;
    font-family: var(--font-mono);
    font-size: .72rem;
    color: var(--text-faint);
    letter-spacing: .06em;
    text-transform: lowercase;
    border-bottom: 1px solid rgba(255,255,255,.04);
}

/* =====================================================================
   Artikel-specific styling (der/die/das)
   ===================================================================== */
.form-row[data-form="artikel"] .options-row {
    grid-template-columns: repeat(3, 1fr) !important;
}
.form-row[data-form="artikel"] .option-btn {
    padding: 16px 10px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-display);
    text-transform: lowercase;
    letter-spacing: .02em;
}
@media (max-width: 620px) {
    .form-row[data-form="artikel"] .option-btn {
        padding: 14px 8px;
        font-size: 1rem;
    }
}