:root{color-scheme:light dark;--bg: #ffffff;--fg: #16161a;--muted: #6b6b78;--hint: #6b6b78;--card: #f6f6f9;--card-hover: #eeeef3;--border: #e6e6ec;--cover-bg: #e6e6ec;--accent: #4f46e5;--accent-hover: #4338ca;--accent-fg: #ffffff;--maxw: 820px}@media(prefers-color-scheme:dark){:root{--bg: #0b0b0f;--fg: #ececf1;--muted: #8b8b96;--hint: #8b8b96;--card: #14141a;--card-hover: #1b1b22;--border: #26262e;--cover-bg: #1b1b22}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}a{color:var(--accent)}.wrap{max-width:var(--maxw);margin:0 auto;padding:24px 16px 64px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:var(--maxw);margin:0 auto;padding:16px}.brand{font-weight:700;font-size:15px;color:var(--fg);text-decoration:none;letter-spacing:-.01em}.site-footer{border-top:1px solid var(--border);margin-top:48px}.site-footer .inner{max-width:var(--maxw);margin:0 auto;padding:20px 16px 40px;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;color:var(--muted);font-size:13px}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--fg);text-decoration:underline}.site-footer .spacer{flex:1}header.series{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}.cover{width:92px;height:130px;object-fit:cover;border-radius:8px;flex:none;background:var(--cover-bg)}h1{font-size:22px;line-height:1.25;margin:0 0 6px;letter-spacing:-.01em}.meta{color:var(--muted);font-size:13px;margin:0 0 14px}.description{color:var(--fg);margin:0 0 14px;font-size:14px}.cta{display:inline-block;text-decoration:none;font-weight:600;font-size:14px;background:var(--accent);color:var(--accent-fg);padding:9px 16px;border-radius:999px}.cta:hover{background:var(--accent-hover)}.chapter{border:1px solid var(--border);border-radius:10px;margin:10px 0;overflow:hidden}summary{cursor:pointer;padding:12px 14px;font-weight:600;background:var(--card);list-style:none;-webkit-user-select:none;user-select:none}summary:hover{background:var(--card-hover)}summary::-webkit-details-marker{display:none}summary:after{content:"▸";float:right;color:var(--muted)}details[open] summary:after{content:"▾"}.pages{display:flex;flex-direction:column}.pages img{width:100%;height:auto;display:block}.hint{color:var(--hint);font-size:12px;margin-top:28px;text-align:center}.prose{max-width:var(--maxw)}.prose h1{font-size:28px;margin:0 0 4px}.prose .updated{color:var(--muted);font-size:13px;margin:0 0 28px}.prose h2{font-size:18px;margin:32px 0 8px}.prose p,.prose li{color:var(--fg);font-size:15px}.prose ul{padding-left:20px}.prose a{color:var(--accent)}.center{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:24px}.center h1{font-size:22px;margin:0}.center p{color:var(--muted);margin:0;max-width:460px}