:root {
    color-scheme: light dark;
    --poke-red: #c62828;
    --action-hover: #a92121;
    --canvas: #f0f2f5;
    --surface: #ffffff;
    --surface-subtle: #f7f8fa;
    --text: #1a1a2e;
    --text-muted: #565c6a;
    --border: #d5d9e1;
    --link: #a92121;
    --focus-ring: #1565c0;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
body {
    margin: 0;
    color: var(--text);
    background: var(--canvas);
    font-family: 'Nunito', system-ui, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
}
a { color: var(--link); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }
[tabindex] { scroll-margin-top: var(--space-5); }
.skip-link {
    position: absolute;
    top: var(--space-2);
    left: var(--space-2);
    z-index: 2;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.site-header {
    background: var(--poke-red);
    color: #ffffff;
    padding: var(--space-4);
    padding-top: calc(var(--space-4) + env(safe-area-inset-top));
}
.header-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3) var(--space-5);
}
.site-brand {
    font-family: 'Fredoka', system-ui, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.02em;
}
.site-header a { color: #ffffff; }
.site-header a:focus-visible { outline-color: #fdd835; }
.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-3);
    font-weight: 700;
}
.site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: var(--space-2) var(--space-1);
}
.site-nav [aria-current="page"] { text-decoration-thickness: 2px; }
.page-shell {
    width: min(100% - 32px, 820px);
    margin: var(--space-5) auto var(--space-6);
    padding: var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}
.page-intro { margin-bottom: var(--space-6); }
h1, h2, h3 { line-height: 1.25; overflow-wrap: normal; }
h1, h2 { font-family: 'Fredoka', system-ui, sans-serif; }
h1 { margin: 0 0 var(--space-4); font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 600; }
h2 { margin: 0 0 var(--space-3); font-size: 1.4rem; font-weight: 600; }
h3 { margin: var(--space-5) 0 var(--space-2); font-size: 1.05rem; }
p { margin: 0 0 var(--space-4); }
li { margin-bottom: var(--space-2); }
ul, ol { padding-left: var(--space-5); margin: 0 0 var(--space-4); }
section + section { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--border); }
section > :last-child, .page-intro > :last-child { margin-bottom: 0; }
.lead { font-size: 1.1rem; }
.muted, .updated { color: var(--text-muted); }
.updated { font-size: 0.9rem; }
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    background: var(--poke-red);
    color: #ffffff;
    font-weight: 800;
    text-decoration: none;
}
.button-link:hover { background: var(--action-hover); }
.note {
    padding: var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-subtle);
}
.jump-links { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-top: var(--space-5); }
.jump-links a { display: inline-flex; align-items: center; min-height: 44px; }
.feature-list { margin: 0; }
.feature-list dt { font-weight: 800; margin-bottom: var(--space-1); }
.feature-list dd { margin: 0 0 var(--space-4); }
.site-footer {
    width: min(100% - 32px, 820px);
    margin: 0 auto;
    padding: 0 0 calc(var(--space-6) + env(safe-area-inset-bottom));
    color: var(--text-muted);
    font-size: 0.9rem;
}
.site-footer p { margin-bottom: var(--space-2); }
.error-page { min-height: 45vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }

@media (max-width: 480px) {
    .page-shell { padding: var(--space-4); margin-top: var(--space-4); }
    .site-header { padding-right: var(--space-4); padding-left: var(--space-4); }
    .header-inner { align-items: flex-start; flex-direction: column; gap: var(--space-1); }
}

@media (prefers-color-scheme: dark) {
    :root {
        --canvas: #171b24;
        --surface: #232935;
        --surface-subtle: #2c3341;
        --text: #f3f4f8;
        --text-muted: #bec5d2;
        --border: #596274;
        --link: #ffaaa3;
        --focus-ring: #8cbfff;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto; }
}