/* =========================================================================
   UpDown - Dokumentacja API. Motyw wakacyjny (cieple sloneczne barwy),
   ale uklad i typografia jak w profesjonalnej dokumentacji deweloperskiej.
   ========================================================================= */

:root {
    --sand-50: #fffaf2;
    --sand-100: #fdf1e0;
    --sand-200: #f7e3c9;
    --sand-300: #efd2ac;

    --ink-900: #2b2118;
    --ink-700: #4a3c2e;
    --ink-500: #7a6753;
    --ink-300: #a8957f;

    --coral: #ff6b4a;
    --coral-dark: #e8502f;
    --gold: #ffb43d;
    --teal: #12b6a0;
    --teal-dark: #0e9384;
    --sky: #2bb3e8;

    --surface: #ffffff;
    --line: #f0e2cd;
    --shadow: 0 10px 30px rgba(120, 80, 40, 0.10);
    --shadow-sm: 0 2px 8px rgba(120, 80, 40, 0.08);

    --sidebar-w: 280px;
    --topbar-h: 64px;
    --radius: 14px;
    --maxw: 920px;

    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 18px); }

body {
    margin: 0;
    font-family: "Outfit", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: var(--ink-900);
    background:
        radial-gradient(1200px 480px at 100% -10%, rgba(255, 180, 61, 0.18), transparent 60%),
        radial-gradient(900px 420px at -10% 0%, rgba(43, 179, 232, 0.12), transparent 55%),
        var(--sand-50);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* ----------------------------- Topbar ----------------------------- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 0 22px;
    background: linear-gradient(100deg, #fff5e8 0%, #fff 60%);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    backdrop-filter: saturate(1.2) blur(6px);
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.12rem; }
.brand-mark { letter-spacing: -0.5px; color: var(--coral-dark); }
.brand-down { color: var(--teal-dark); }
.brand-sep { color: var(--ink-300); font-weight: 400; }
.brand-sub { color: var(--ink-500); font-weight: 500; font-size: 0.98rem; }

.tabs { display: flex; gap: 6px; margin-left: 6px; }

.tab {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--ink-500);
    font: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 8px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.16s ease;
}

.tab:hover { color: var(--ink-900); background: var(--sand-100); }

.tab.is-active {
    color: #fff;
    background: linear-gradient(120deg, var(--coral), var(--gold));
    box-shadow: 0 6px 16px rgba(255, 107, 74, 0.32);
}

.actions { margin-left: auto; }

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: 1px solid var(--teal);
    color: var(--teal-dark);
    background: #ffffff;
    font: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 9px 15px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.16s ease;
    white-space: nowrap;
}

.copy-btn:hover {
    color: #fff;
    background: linear-gradient(120deg, var(--teal), var(--sky));
    border-color: transparent;
    box-shadow: 0 6px 16px rgba(18, 182, 160, 0.3);
}

.copy-icon { font-size: 1.05rem; line-height: 1; }

/* ----------------------------- Shell ----------------------------- */

.shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    align-items: start;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 22px;
}

.sidebar {
    position: sticky;
    top: var(--topbar-h);
    align-self: start;
    height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
    padding: 26px 14px 40px 0;
}

body.tab-story .sidebar { visibility: hidden; }

.toc { display: flex; flex-direction: column; gap: 2px; }

.toc-link {
    display: block;
    padding: 7px 14px;
    border-radius: 9px;
    color: var(--ink-500);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.14s ease;
}

.toc-link:hover { color: var(--ink-900); background: var(--sand-100); }

.toc-link.is-active {
    color: var(--coral-dark);
    background: var(--sand-100);
    border-left-color: var(--coral);
    font-weight: 600;
}

/* ----------------------------- Content ----------------------------- */

.content { padding: 30px 0 80px; min-width: 0; }

.doc {
    max-width: var(--maxw);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px 40px 36px;
}

.doc.story {
    background:
        radial-gradient(600px 220px at 100% 0%, rgba(255, 180, 61, 0.16), transparent 60%),
        var(--surface);
}

.doc-lead {
    color: var(--ink-700);
    font-size: 1.06rem;
    border-bottom: 1px dashed var(--line);
    margin-bottom: 8px;
    padding-bottom: 6px;
}

.doc-section { scroll-margin-top: calc(var(--topbar-h) + 18px); }

.loading {
    max-width: var(--maxw);
    padding: 40px;
    color: var(--ink-500);
    font-style: italic;
}

/* ----------------------------- Typografia tresci ----------------------------- */

.doc h1, .doc h2, .doc h3, .doc h4 { line-height: 1.25; font-weight: 700; color: var(--ink-900); }

.doc h2 {
    font-size: 1.62rem;
    margin: 38px 0 14px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.doc-section:first-child h2,
.doc.story h2 { border-top: none; padding-top: 6px; }

/* Logo platformy wplecione w historie (sekcja "Krotka era chwaly").
   Logo jest biale, wiec na jasnym tle ginie - sadzamy je na "liquid glass":
   barwna tafla w cieplej palecie + oszroniony refleks, zeby biel sie wybila. */
.story-logo-frame {
    display: inline-block;
    margin: 8px 0 20px;
    padding: 22px 30px;
    border-radius: 22px;
    /* Kolorowa podkladka (coral -> gold -> teal) daje kontrast dla bialego logo,
       na niej cienka tafla refleksu z gory na dol = efekt szkla. */
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0) 42%),
        radial-gradient(120% 140% at 0% 0%, rgba(43, 179, 232, 0.55), transparent 55%),
        linear-gradient(125deg, var(--coral) 0%, var(--gold) 52%, var(--teal) 100%);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -10px 24px rgba(43, 33, 24, 0.18),
        0 14px 34px rgba(232, 80, 47, 0.28);
    backdrop-filter: saturate(1.2) blur(8px);
    -webkit-backdrop-filter: saturate(1.2) blur(8px);
}

.story-logo {
    display: block;
    max-width: 300px;
    width: 100%;
    height: auto;
    /* Delikatny cien pod sama grafika, by oderwac ja od tafli. */
    filter: drop-shadow(0 3px 8px rgba(43, 33, 24, 0.35));
}

.doc h2::before {
    content: "";
    display: inline-block;
    width: 10px; height: 10px;
    margin-right: 10px;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--coral), var(--gold));
    vertical-align: middle;
}

.doc h3 { font-size: 1.22rem; margin: 26px 0 10px; color: var(--ink-700); }
.doc h4 { font-size: 1.02rem; margin: 20px 0 8px; color: var(--ink-700); }

.doc p { margin: 12px 0; color: var(--ink-700); }
.doc strong { color: var(--ink-900); }

.doc a { color: var(--teal-dark); text-decoration: none; border-bottom: 1px solid rgba(18, 147, 132, 0.35); }
.doc a:hover { color: var(--coral-dark); border-bottom-color: var(--coral); }

.doc ul, .doc ol { margin: 12px 0; padding-left: 22px; color: var(--ink-700); }
.doc li { margin: 5px 0; }

.doc blockquote {
    margin: 16px 0;
    padding: 12px 18px;
    background: var(--sand-100);
    border-left: 4px solid var(--gold);
    border-radius: 8px;
    color: var(--ink-700);
}

/* ----------------------------- Kod inline ----------------------------- */

.doc :not(pre) > code {
    font-family: var(--mono);
    font-size: 0.86em;
    background: var(--sand-100);
    color: var(--coral-dark);
    padding: 2px 6px;
    border-radius: 6px;
    border: 1px solid var(--sand-200);
}

/* ----------------------------- Bloki kodu ----------------------------- */

.doc pre {
    margin: 16px 0;
    border-radius: 12px;
    background: #2b2118;
    border: 1px solid #3a2c1f;
    box-shadow: var(--shadow-sm);
    overflow: auto;
}

.doc pre code {
    display: block;
    font-family: var(--mono);
    font-size: 0.86rem;
    line-height: 1.6;
    padding: 16px 18px;
    color: #f3e7d3;
    background: transparent;
}

/* ----------------------------- Tabele ----------------------------- */

.doc table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.92rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
}

.doc thead th {
    text-align: left;
    background: linear-gradient(120deg, var(--sand-100), var(--sand-200));
    color: var(--ink-900);
    font-weight: 600;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
}

.doc tbody td {
    padding: 9px 14px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-700);
    vertical-align: top;
}

.doc tbody tr:last-child td { border-bottom: none; }
.doc tbody tr:nth-child(even) { background: var(--sand-50); }
.doc tbody td code { white-space: nowrap; }

/* ----------------------------- Footer ----------------------------- */

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    max-width: 1320px;
    margin: 0 auto;
    padding: 18px 22px 30px;
    color: var(--ink-300);
    font-size: 0.85rem;
}

.footer-ver { font-family: var(--mono); }

/* ----------------------------- Toast ----------------------------- */

.toast {
    position: fixed;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--ink-900);
    color: #fff;
    padding: 11px 20px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow);
    opacity: 0;
    transition: opacity 0.22s ease, transform 0.22s ease;
    z-index: 50;
}

.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ----------------------------- Responsywnosc ----------------------------- */

@media (max-width: 920px) {
    .shell { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .doc { padding: 12px 22px 28px; }
    .brand-sub { display: none; }
    .copy-label { display: none; }
    .copy-btn { padding: 9px 12px; }
    .topbar { gap: 12px; }
}

@media (max-width: 560px) {
    .tab { padding: 7px 10px; font-size: 0.85rem; }
    .doc h2 { font-size: 1.35rem; }
}