@font-face {
    font-family: 'Inter';
    src: url('../../fonts/Inter-Variable.ttf') format('truetype');
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
}

@font-face {
    font-family: 'Space Mono';
    src: url('../../fonts/SpaceMono-Regular.ttf') format('truetype');
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Space Mono';
    src: url('../../fonts/SpaceMono-Bold.ttf') format('truetype');
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

:root {
    --bg-color: #050505;
    --bg-gradient:
        radial-gradient(1200px 600px at 20% -10%, rgba(255, 255, 255, 0.06), transparent 60%),
        radial-gradient(900px 500px at 80% 10%, rgba(255, 255, 255, 0.04), transparent 55%);
    --text-primary: #EAEAEA;
    --text-secondary: #A0A0A0;
    --text-muted: #6B6B6B;
    --accent: #FFFFFF;
    --panel: #0A0A0A;
    --border: #1A1A1A;
    --border-strong: #2A2A2A;
    --hover: rgba(255, 255, 255, 0.08);
    --code-bg: rgba(255, 255, 255, 0.04);
    --heart: #FF3B5C;
}

html.theme-light {
    --bg-color: #FCFCFD;
    --bg-gradient:
        radial-gradient(1100px 500px at 15% -10%, rgba(0, 0, 0, 0.05), transparent 60%),
        radial-gradient(900px 500px at 85% 10%, rgba(0, 0, 0, 0.03), transparent 55%);
    --text-primary: #111111;
    --text-secondary: #3F3F3F;
    --text-muted: #595959;
    --accent: #111111;
    --panel: #FFFFFF;
    --border: #CFCFCF;
    --border-strong: #A8A8A8;
    --hover: rgba(0, 0, 0, 0.08);
    --code-bg: #F5F5F5;
    --heart: #E11D48;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 17px;
    line-height: 1.62;
    overflow-x: hidden;
    cursor: crosshair;
}

::selection { background: var(--accent); color: var(--bg-color); }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); }

a {
    color: var(--text-primary);
    text-underline-offset: 2px;
}

.mono { font-family: 'Space Mono', monospace; }

.docs-topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg-color) 88%, transparent);
    backdrop-filter: blur(8px);
}

.docs-topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.brand {
    font-family: 'Space Mono', monospace;
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    display: inline-block;
}

.controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 10px 14px;
    font-family: 'Space Mono', monospace;
    font-size: 0.74rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    text-decoration: none;
    position: relative;
    transition: all 0.25s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover,
.btn.active {
    background: var(--accent);
    color: var(--bg-color);
    border-color: var(--accent);
}

.btn::before,
.btn::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    transition: all 0.25s ease;
    opacity: 0;
}

.btn:hover::before,
.btn.active::before { opacity: 1; top: -2px; left: -2px; }
.btn:hover::after,
.btn.active::after { opacity: 1; right: -2px; bottom: -2px; }

.btn-primary {
    background: var(--accent);
    color: var(--bg-color);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
}

.docs-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 24px 64px;
}

.docs-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 28px;
}

.docs-sidebar {
    position: sticky;
    top: 92px;
    align-self: start;
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 22px 20px;
}

.docs-sidebar::before,
.docs-sidebar::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--accent);
    border-style: solid;
    opacity: 0.7;
}

.docs-sidebar::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.docs-sidebar::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.docs-sidebar h2 {
    margin: 0 0 14px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.docs-sidebar h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.docs-nav {
    display: grid;
    gap: 2px;
}

.docs-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.docs-nav a .nav-index {
    font-family: 'Space Mono', monospace;
    font-variant-numeric: tabular-nums;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.06em;
}

.docs-nav a:hover {
    color: var(--text-primary);
    background: var(--hover);
    border-color: var(--border);
}

.docs-nav a.active {
    color: var(--text-primary);
    background: var(--hover);
    border-color: var(--border-strong);
}

.docs-nav a.active .nav-index {
    color: var(--accent);
}

.docs-content {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 44px 48px;
    position: relative;
}

.docs-content::before,
.docs-content::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border-color: var(--accent);
    border-style: solid;
    opacity: 0.8;
}

.docs-content::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.docs-content::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.eyebrow {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin: 0 0 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.eyebrow .rule {
    flex: 0 0 32px;
    height: 1px;
    background: var(--border-strong);
}

.docs-content h1 {
    margin: 0;
    font-size: clamp(2.2rem, 5.5vw, 3.6rem);
    line-height: 1.02;
    letter-spacing: -0.02em;
    font-weight: 500;
    color: var(--text-primary);
}

.lead {
    margin-top: 20px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 70ch;
}

.docs-content h2 {
    margin: 48px 0 16px;
    font-size: 1.6rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.2;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.docs-content h2 .idx {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    flex-shrink: 0;
}

.docs-content h3 {
    margin: 28px 0 10px;
    font-size: 1.12rem;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: var(--text-primary);
}

.docs-content p,
.docs-content li {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.65;
}

.docs-content ul,
.docs-content ol {
    margin: 10px 0 0;
    padding-left: 22px;
}

.docs-content li + li { margin-top: 6px; }

.docs-content code {
    font-family: 'Space Mono', monospace;
    font-size: 0.84em;
    border: 1px solid var(--border);
    background: var(--code-bg);
    padding: 0.1em 0.38em;
}

.docs-content pre {
    margin: 14px 0 0;
    border: 1px solid var(--border);
    background: var(--code-bg);
    padding: 16px 18px;
    overflow-x: auto;
    font-size: 0.9rem;
    position: relative;
}

.docs-content pre::before {
    content: attr(data-label);
    position: absolute;
    top: 8px;
    right: 12px;
    font-family: 'Space Mono', monospace;
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.docs-content pre code {
    border: none;
    background: transparent;
    padding: 0;
    font-size: inherit;
}

.note,
.warn,
.tip {
    margin-top: 18px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 94%, transparent);
    padding: 14px 16px;
    position: relative;
    padding-left: 56px;
}

.note::before,
.warn::before,
.tip::before {
    content: 'NOTE';
    position: absolute;
    top: 14px;
    left: 16px;
    font-family: 'Space Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.warn::before { content: 'WARN'; color: var(--heart); }
.tip::before { content: 'TIP'; color: var(--accent); }

.warn { border-left: 3px solid var(--heart); }
.tip { border-left: 3px solid var(--accent); }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}

.feature-card {
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 96%, transparent);
    padding: 22px 22px 22px;
    position: relative;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}

.feature-card::before,
.feature-card::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--accent);
    border-style: solid;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.feature-card::before { top: 6px; left: 6px; border-width: 1px 0 0 1px; }
.feature-card::after { bottom: 6px; right: 6px; border-width: 0 1px 1px 0; }

.feature-card:hover::before,
.feature-card:hover::after { width: 16px; height: 16px; }

.feature-card .idx {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

.feature-card h3 {
    margin: 10px 0 8px;
    font-size: 1.1rem;
    font-weight: 500;
}

.feature-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.steps {
    list-style: none;
    margin: 22px 0 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.steps li {
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 96%, transparent);
    padding: 18px 20px;
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 20px;
    align-items: start;
}

.steps li .step-idx {
    font-family: 'Space Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    padding-top: 2px;
}

.steps li .step-body h3 {
    margin: 0 0 8px;
    font-size: 1.02rem;
    font-weight: 500;
    color: var(--text-primary);
}

.steps li .step-body p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.steps li pre {
    margin-top: 10px;
}

.kv {
    border: 1px solid var(--border);
    margin-top: 18px;
    overflow-x: auto;
}

.kv table { width: 100%; border-collapse: collapse; min-width: 520px; }

.kv th,
.kv td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.kv th {
    font-family: 'Space Mono', monospace;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    background: color-mix(in srgb, var(--panel) 92%, transparent);
}

.kv td { color: var(--text-secondary); font-size: 0.94rem; }
.kv tr:last-child td { border-bottom: none; }
.kv td code { font-size: 0.82em; }

.page-nav {
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.page-nav a {
    flex: 1 1 240px;
    border: 1px solid var(--border);
    padding: 16px 18px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.25s ease;
    display: block;
    position: relative;
}

.page-nav a:hover {
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.page-nav a.next { text-align: right; }

.page-nav .kicker {
    display: block;
    font-family: 'Space Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
}

.page-nav .title {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.page-footer {
    margin-top: 32px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-transform: uppercase;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.lang-sk,
.lang-en,
.lang-en-block,
.lang-sk-block {
    display: none;
}

html[data-lang="en"] .lang-en,
html[data-lang="sk"] .lang-sk { display: inline; }

html[data-lang="en"] .lang-en-block,
html[data-lang="sk"] .lang-sk-block { display: block; }

.thanks-wrap {
    text-align: center;
    padding: 40px 0 10px;
}

.thanks-wrap h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    margin-bottom: 18px;
}

.thanks-wrap .lead {
    margin: 0 auto 36px;
}

.pixel-heart {
    --px: clamp(10px, 2.2vw, 18px);
    display: grid;
    grid-template-columns: repeat(11, var(--px));
    grid-auto-rows: var(--px);
    gap: 2px;
    width: max-content;
    margin: 20px auto 12px;
    animation: heartBeat 1.6s ease-in-out infinite;
}

.pixel-heart > span {
    display: block;
    width: 100%;
    height: 100%;
}

.pixel-heart .p {
    background: var(--heart);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--heart) 70%, transparent);
}

.pixel-heart .px-light {
    background: color-mix(in srgb, var(--heart) 70%, white);
}

.pixel-heart .empty { background: transparent; box-shadow: none; }

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.06); }
    55% { transform: scale(0.98); }
}

.thanks-signature {
    font-family: 'Space Mono', monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 16px;
}

.thanks-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}

@media (max-width: 980px) {
    .docs-layout { grid-template-columns: 1fr; }
    .docs-sidebar { position: static; }
    .docs-content { padding: 28px 22px; }
    .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .docs-topbar-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .docs-content h1 { font-size: clamp(1.8rem, 9vw, 2.6rem); }
    .steps li { grid-template-columns: 1fr; gap: 6px; }
}