:root { color-scheme: light dark; --bg: #f7f7f5; --fg: #1d1d1f; --muted: #666; --card: #fff; --border: #ddd; --accent: #3858e9; }
@media (prefers-color-scheme: dark) { :root { --bg: #111; --fg: #eee; --muted: #aaa; --card: #1b1b1d; --border: #333; --accent: #8aa4ff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
.page { width: min(100%, 900px); margin: 0 auto; padding: clamp(1rem, 4vw, 3rem); }
.note { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: clamp(1rem, 4vw, 3rem); box-shadow: 0 10px 30px rgba(0,0,0,.06); }
h1, h2, h3, h4 { line-height: 1.2; margin-top: 1.8em; }
h1 { margin-top: 0; font-size: clamp(2rem, 6vw, 3.25rem); }
a { color: var(--accent); }
img { max-width: 100%; height: auto; border-radius: 12px; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--border); padding: .5rem .75rem; }
blockquote { border-left: 4px solid var(--accent); margin-left: 0; padding: .5rem 1rem; background: color-mix(in srgb, var(--accent) 8%, transparent); border-radius: 8px; }
pre { overflow-x: auto; padding: 1rem; border-radius: 12px; background: #0b1020; color: #f5f7ff; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.task-list-item { list-style: none; }
.warnings { border: 1px solid #d97706; background: #fff7ed; color: #7c2d12; border-radius: 12px; padding: 1rem; margin: 1rem 0; }
@media (max-width: 640px) { .note { border-radius: 0; border-left: 0; border-right: 0; } .page { padding-left: 0; padding-right: 0; } }