:root{color-scheme:light;--bg: #f4ecd8;--page: #fffef5;--page-border: #efe7d0;--ink: #1a1a1a;--accent: #9b6f3f;--btn-bg: #f3e5c8;--btn-fg: #7a4f1e;--line-mid: #bfa86a;--line-base: #8a7340}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Andika,sans-serif;background:var(--bg);color:var(--ink);display:flex;flex-direction:column;align-items:center;padding:1rem}#app{width:100%;max-width:720px;flex:1;display:flex;flex-direction:column}.page{background:var(--page);border:1px solid var(--page-border);border-radius:14px;box-shadow:0 2px 10px #0000000d;padding:1.2rem 1.5rem .5rem;flex:1;display:flex;flex-direction:column;gap:.8rem;min-height:70vh;transition:background .15s ease}.page.locked{background:#f7f0d8}.header{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--accent);flex-shrink:0}.brand{display:inline-flex;align-items:center;gap:.4rem}.btn{background:var(--btn-bg);color:var(--btn-fg);border:none;padding:.4rem .9rem;border-radius:6px;font-size:.85rem;font-family:inherit;cursor:pointer;transition:background .15s ease}.btn:hover{background:#ecd9b1}.btn[data-armed=true]{background:#f5c4a3;color:#7a3a1e}.icon-btn{background:transparent;border:none;font-size:1.1rem;cursor:pointer;padding:.2rem .4rem;border-radius:4px}.icon-btn:hover{background:var(--btn-bg)}.writing-surface{flex:1;font-family:Andika,sans-serif;font-size:38px;line-height:80px;color:var(--ink);background:var(--page);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='80'><line x1='0' y1='38' x2='4' y2='38' stroke='%23bfa86a' stroke-width='1'/><line x1='8' y1='38' x2='12' y2='38' stroke='%23bfa86a' stroke-width='1'/><line x1='16' y1='38' x2='20' y2='38' stroke='%23bfa86a' stroke-width='1'/><line x1='0' y1='60' x2='24' y2='60' stroke='%238a7340' stroke-width='1.2'/></svg>");background-repeat:repeat;background-size:24px 80px;border:none;outline:none;resize:none;padding:0;margin:0;width:100%;white-space:pre-wrap;overflow-wrap:break-word;scrollbar-width:none}.writing-surface::-webkit-scrollbar{display:none}.banner{background:#fff5d8;border:1px solid #e9d8a4;color:#7a5a1e;padding:.6rem .9rem;border-radius:8px;font-size:.9rem;display:flex;justify-content:space-between;align-items:center;gap:.5rem}.banner button{background:transparent;border:none;color:inherit;font-size:1.1rem;cursor:pointer}@media (max-width: 480px){body{padding:.5rem}.page{padding:.8rem 1rem .3rem;min-height:80vh}.writing-surface{font-size:32px;line-height:68px;background-size:24px 68px}}