:root{--bg:#faf9f5;--surface:#fff;--border:#e3e1d9;--text:#1a1915;--text-secondary:#5f5e5a;--text-muted:#8f8e88;--accent:#534ab7;--accent-bg:#eeedfe;--radius:8px;--serif:Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.6}a{color:inherit}a,a:hover{text-decoration:none}.container{max-width:860px;margin:0 auto;padding:24px 20px 64px}.nav{background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.nav-inner{max-width:860px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px}.logo{font-family:var(--serif);font-size:22px;font-weight:500}.nav-links{display:flex;gap:18px;margin-left:auto;align-items:center;font-size:14px;color:var(--text-secondary)}.nav-links a:hover{color:var(--text)}.nav-links a.active{color:var(--accent);font-weight:500}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:14px}.avatar{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:600;color:#3c3489;flex-shrink:0}.riff-title{font-size:19px;font-weight:500;margin:0 0 6px}.riff-body,.riff-title{font-family:var(--serif)}.riff-body{font-size:15px;line-height:1.75;color:var(--text-secondary);white-space:pre-wrap;margin:0 0 12px}.riff-meta{gap:18px;font-size:13px;color:var(--text-secondary);border-top:1px solid var(--border);padding-top:10px}.byline,.riff-meta{display:flex;align-items:center}.byline{gap:10px;margin-bottom:10px}.byline-name{font-size:14px;font-weight:600;margin:0}.byline-sub{font-size:12px;color:var(--text-muted);margin:0}input,select,textarea{font-family:var(--sans);font-size:14px;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);width:100%}textarea{font-family:var(--serif);line-height:1.7;resize:vertical}input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.btn,button{font-family:var(--sans);font-size:14px;padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.btn:hover,button:hover{background:var(--bg)}.btn-primary,button.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover,button.btn-primary:hover{background:#453d99}.btn-small{font-size:12px;padding:4px 12px}.section-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin:24px 0 10px}.grid-2{display:grid;grid-template-columns:minmax(0,1fr) 240px;grid-gap:20px;gap:20px}@media (max-width:700px){.grid-2{grid-template-columns:1fr}}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px}.photo-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius);display:block}.tagline{font-family:var(--serif);font-style:italic;color:var(--text-secondary);margin:2px 0 0}.form-narrow{max-width:400px;margin:48px auto}.form-narrow label{display:block;font-size:13px;font-weight:600;margin:14px 0 4px}.error{color:#a32d2d;font-size:13px;margin-top:10px}.msg-row{display:flex;margin-bottom:8px}.msg-row.mine{justify-content:flex-end}.msg-bubble{max-width:70%;padding:8px 14px;border-radius:16px;background:var(--surface);border:1px solid var(--border);font-size:14px}.msg-row.mine .msg-bubble{background:var(--accent-bg);border-color:#cecbf6}.msg-time{font-size:11px;margin-top:2px}.chapter-num,.msg-time{color:var(--text-muted)}.chapter-num{font-size:12px;margin:0 0 2px}.empty{border:1px dashed var(--border);border-radius:12px;padding:24px;text-align:center;color:var(--text-muted);font-size:14px}.badge{font-size:12px;background:var(--accent-bg);color:var(--accent);padding:2px 10px;border-radius:999px;font-weight:500}