@layer biblioteka, content;



:root {
    --kolor-glowny: #1a3b2a;
    --kolor-glowny-hover: #285a41;
    --kolor-tekst: #1a1a1a;
    --kolor-tekst-jasny: #b7d9c4;
    --kolor-tlo: #ffffff;
    --font-bazowy: system-ui, -apple-system, sans-serif;
    --promien: 999px;
}

:root {
    --kolor-glowny: #2f80ff;
    --kolor-glowny-hover: #4a92ff;
    --kolor-akcent: #35d0ba;
    --kolor-tlo: #08111f;
    --kolor-powierzchnia: #10233d;
    --kolor-powierzchnia-2: #16294a;
    --kolor-obramowanie: #22375c;
    --kolor-tekst: #f4f7fb;
    --kolor-tekst-jasny: #9fb2cc;
    --font-naglowek: 'Space Grotesk', system-ui, sans-serif;
    --font-bazowy: system-ui, -apple-system, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
    --promien: 999px;
}

@font-face {
    font-family: 'Space Grotesk';
    src: url('font/space-grotesk.ttf') format('truetype');
    font-weight: 300 700;
    font-display: swap;
}

@layer biblioteka {



.site-header {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: center;
    pointer-events: none; 
}

.site-header__nav {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 32px;
    width: min(1100px, calc(100% - 32px));
    padding: 12px 24px;
    background: rgba(16, 35, 61, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.site-header__logo {
    display: flex;
    align-items: center;
    font-family: var(--font-naglowek, inherit);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--kolor-tekst, #f4f7fb);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.site-header__logo img {
    display: block;
    height: 30px;
    width: auto;
}

.site-header__menu {
    display: flex;
    gap: 8px;
    margin: 0;
    margin-left: auto;
    padding: 0;
    list-style: none;
}

.site-header__menu a {
    display: block;
    padding: 8px 16px;
    color: var(--kolor-tekst-jasny, #9fb2cc);
    text-decoration: none;
    font-weight: 500;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-header__menu a:hover {
    background: var(--kolor-glowny, #2f80ff);
    color: #fff;
}

.site-header__caret {
    font-size: 0.7em;
    vertical-align: middle;
}


.site-header__znacznik {
    display: inline-block;
    margin-left: 4px;
    padding: 1px 7px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    vertical-align: middle;
    border-radius: 999px;
    color: #000;
    background: linear-gradient(120deg, var(--kolor-glowny, #2f80ff), var(--kolor-akcent, #35d0ba));
}


.site-header__has-sub {
    position: relative;
}

.site-header__submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    margin: 0;
    padding: 14px 8px 8px; 
    list-style: none;
    display: none;
}

.site-header__submenu li {
    background: rgba(16, 35, 61, 0.96);
}
.site-header__submenu li:first-child { border-radius: 16px 16px 0 0; }
.site-header__submenu li:last-child  { border-radius: 0 0 16px 16px; }

.site-header__submenu {
    
    filter: drop-shadow(0 8px 30px rgba(0, 0, 0, 0.12));
}

.site-header__has-sub:hover .site-header__submenu {
    display: block;
}

.site-header__submenu a {
    white-space: nowrap;
    border-radius: 0;
}

.site-header__cta {
    background: var(--kolor-akcent, #b8935a);
    color: #fff;
    padding: 9px 20px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.2s ease;
}
.site-header__cta:hover {
    background: #a37f47;
}

@media (max-width: 640px) {
    .site-header__nav {
        gap: 12px;
        padding: 10px 16px;
    }
    .site-header__menu {
        gap: 2px;
    }
    .site-header__menu a {
        padding: 6px 10px;
        font-size: 0.85rem;
    }
}



.scroll-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 900;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: #fff;
    background: #1a3b2a;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
}


.scroll-to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: #285a41;
}

@media (max-width: 640px) {
    .scroll-to-top {
        right: 16px;
        bottom: 16px;
        width: 44px;
        height: 44px;
    }
}


.before-after {
    position: relative;
    width: 100%;
    margin: 18px 0 6px;
    line-height: 0;
    border-radius: 10px;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    background: #0000000d;
}

.before-after__base,
.before-after__over {
    display: block;
    width: 100%;
    height: auto;
}

.before-after__over {
    position: absolute;
    inset: 0;
    clip-path: inset(0 50% 0 0);
}

.before-after__linia {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    margin-left: -1px;
    background: #fff;
    box-shadow: 0 0 0 1px #0000002e;
    pointer-events: none;
}

.before-after__linia::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 34px;
    height: 34px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 5px #00000045;
}


.before-after__zakres {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    opacity: 0;
    cursor: ew-resize;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
}

.before-after__zakres:focus-visible + .before-after__etykieta,
.before-after__zakres:focus-visible ~ .before-after__linia {
    box-shadow: 0 0 0 3px #1f6feb99;
}

.before-after__etykieta {
    position: absolute;
    top: 10px;
    padding: 3px 10px;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.5;
    color: #fff;
    background: #0000008c;
    border-radius: 999px;
    pointer-events: none;
}

.before-after__etykieta--przed { left: 10px; }
.before-after__etykieta--po { right: 10px; }

}

@layer content {



@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

body {
    
    background:
        radial-gradient(1100px 520px at 18% -12%, rgba(47, 128, 255, 0.20), transparent 60%),
        radial-gradient(900px 480px at 88% -6%, rgba(53, 208, 186, 0.16), transparent 55%),
        var(--kolor-tlo);
    background-attachment: fixed;
    font-family: var(--font-bazowy);
    color: var(--kolor-tekst);
}

.content__wrap {
    max-width: 900px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}



.content__intro {
    padding: 108px 0 24px;
}

.content__intro-title {
    font-family: var(--font-naglowek);
    font-size: 2.4rem;
    margin: 0 0 12px;
    
    background: linear-gradient(100deg, #f4f7fb 0%, #7fb0ff 52%, #35d0ba 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    width: fit-content;
}

.content__intro-lead {
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 620px;
    margin: 0;
    color: var(--kolor-tekst-jasny);
}


.content__changelog {
    padding: 12px 0 72px;
}

.content__log-lista {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.content__log {
    position: relative;
    border: 1px solid var(--kolor-obramowanie);
    border-radius: 10px;
    background: var(--kolor-powierzchnia);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}


.content__log::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--kolor-glowny), var(--kolor-akcent));
    opacity: 0;
    transition: opacity 0.2s ease;
}

.content__log[open]::before {
    opacity: 1;
}

.content__log:hover {
    border-color: #2f4d78;
}

.content__log[open] {
    border-color: var(--kolor-glowny);
    box-shadow: 0 6px 26px #00000047, 0 0 0 1px rgba(47, 128, 255, 0.15);
}

.content__log-naglowek {
    display: grid;
    grid-template-columns: auto 1fr auto auto auto;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    cursor: pointer;
    list-style: none;
    user-select: none;
}


.content__log-naglowek::-webkit-details-marker {
    display: none;
}

.content__log-naglowek:hover {
    background: var(--kolor-powierzchnia-2);
}

.content__log-wersja {
    font-family: var(--font-naglowek);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    font-size: 0.9rem;
    color: #7fb0ff;
    background: rgba(47, 128, 255, 0.16);
    padding: 3px 9px;
    border-radius: 6px;
    white-space: nowrap;
}

.content__log-tytul {
    font-family: var(--font-naglowek);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.01em;
    min-width: 0;
    color: var(--kolor-tekst);
}

.content__log-badge {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
}

.content__log-badge--nowosc {
    color: #4be0c0;
    background: rgba(53, 208, 186, 0.16);
}

.content__log-badge--poprawka {
    color: #7fb0ff;
    background: rgba(47, 128, 255, 0.16);
}

.content__log-badge--wycofanie {
    color: #ff8078;
    background: rgba(229, 72, 77, 0.18);
}

.content__log-badge--planowane {
    color: #b79fff;
    background: rgba(147, 112, 255, 0.14);
    border: 1px dashed rgba(183, 159, 255, 0.55);
    padding: 2px 9px;
}

.content__log-badge--inny {
    color: var(--kolor-tekst-jasny);
    background: rgba(159, 178, 204, 0.14);
}

.content__log-data {
    font-size: 0.85rem;
    color: var(--kolor-tekst-jasny);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.content__log-strzalka {
    width: 10px;
    height: 10px;
    border-right: 2px solid #6b7f9e;
    border-bottom: 2px solid #6b7f9e;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.content__log[open] .content__log-strzalka {
    transform: rotate(-135deg);
}


.content__log-tresc {
    margin: 2px 14px 16px;
    padding: 16px 18px;
    border: 1px solid var(--kolor-obramowanie);
    border-radius: 8px;
    background: #0a1626;
    font-family: var(--font-mono);
    line-height: 1.62;
    font-size: 0.88rem;
    color: #b9c6d8;
}

.content__log-tresc p {
    margin: 0 0 12px;
}

.content__log-tresc p:last-child {
    margin-bottom: 0;
}

.content__log-tresc strong {
    color: #e6ecf5;
    font-weight: 600;
}

.content__log-tresc ul {
    margin: 12px 0;
    padding-left: 20px;
}

.content__log-tresc li {
    margin: 4px 0;
}

.content__log-tresc code {
    background: rgba(255, 255, 255, 0.08);
    color: #e0e6f0;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}


.content__foto {
    margin: 16px 0 4px;
}

.content__foto-img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--kolor-obramowanie);
}

.content__foto-podpis {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--kolor-tekst-jasny);
}


.content__ba-figura {
    margin: 16px 0 4px;
}

.content__ba-podpis {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--kolor-tekst-jasny);
}


@media (max-width: 640px) {
    .content__log-naglowek {
        grid-template-columns: auto 1fr auto;
        row-gap: 8px;
    }
    .content__log-tytul {
        grid-column: 1 / -1;
        order: 3;
    }
}
}