@import url("https://fonts.googleapis.com/css2?family=Bai+Jamjuree:wght@600;700&family=IBM+Plex+Sans+Thai:wght@400;600&display=swap");
:root { --bg: #F3EAD7; --surface: #FBF6EA; --ink: #4A2E1C; --muted: #8A6C55; --line: #E1D1B6; --accent: #8C4A22; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background-color: var(--bg); background-image: repeating-linear-gradient(to bottom, transparent 0 31px, rgba(140, 90, 50, .09) 31px 32px); color: var(--ink); font: 16px/1.75 "IBM Plex Sans Thai", system-ui, sans-serif; }
.doc { max-width: 760px; margin: 0 auto; padding: 32px 16px 80px; }
h1, h2 { font-family: "Bai Jamjuree", "IBM Plex Sans Thai", sans-serif; line-height: 1.25; }
h1 { font-size: clamp(28px, 6vw, 38px); margin: 8px 0 4px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
a { color: var(--accent); }
.meta, .back { color: var(--muted); font-size: 14px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
table { width: 100%; border-collapse: collapse; background: var(--surface); font-size: 14px; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #EFE2CB; }
code { font-size: 13px; background: #EFE2CB; padding: 1px 5px; border-radius: 3px; }
.todo { background: #FFE7A8; padding: 2px 6px; border-radius: 3px; }