:root{--bg:#faf9f7;--surface:#fff;--ink:#1c1a17;--muted:#6f6a62;--line:#e8e2d9;--accent:#b3541e;--accent-soft:#f7e8d9;--green:#1e7e34;--amber:#9a6a00;--red:#b3261e;--radius:12px;--maxw:720px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent)}.shell{min-height:100dvh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--surface);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:1.05rem;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}.brand .dot{color:var(--accent)}.topbar-actions{display:flex;gap:8px;align-items:center}.user-email{font-size:.8rem;color:var(--muted);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.demo-badge{font-size:.7rem;background:var(--accent-soft);color:var(--accent);border:1px solid var(--line);padding:3px 8px;border-radius:999px;font-weight:700}.main{flex:1 1;width:100%;max-width:var(--maxw);margin:0 auto;padding:20px 18px 64px}.hero{text-align:center;padding:48px 0 32px}.hero h1{font-size:2.4rem;line-height:1.08;letter-spacing:-.02em;margin:0 0 12px}.hero p{color:var(--muted);font-size:1.05rem;margin:0 auto 24px;max-width:34ch}.cta-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.feature-list{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-gap:12px;gap:12px}.feature-list li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-size:.95rem}.feature-list strong{display:block;margin-bottom:4px}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:var(--radius);padding:12px 20px;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{padding:8px 14px;font-size:.85rem;color:var(--ink);text-decoration:none;display:inline-block}.btn-danger-ghost,.btn-ghost{background:transparent;border:1px solid var(--line);border-radius:999px;cursor:pointer}.btn-danger-ghost{padding:6px 12px;font-size:.8rem;color:var(--red)}.input,textarea.input{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;font-size:1rem;background:var(--surface);color:var(--ink)}.input:focus{outline:2px solid var(--accent);outline-offset:-1px}.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;margin-top:32px}.auth-card h1{margin:0 0 6px;font-size:1.5rem}.auth-card .sub{color:var(--muted);font-size:.9rem;margin:0 0 18px}.field{margin-bottom:14px}.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}.form-error{background:#fdecea;color:var(--red);border:1px solid #f5c6c2;border-radius:var(--radius);padding:10px 14px;font-size:.9rem;margin-bottom:14px}.auth-switch{margin-top:16px;font-size:.9rem;color:var(--muted);text-align:center}.page-head{display:flex;align-items:center;justify-content:space-between;margin:8px 0 16px}.page-head h1{margin:0;font-size:1.6rem;letter-spacing:-.01em}.card-grid{display:grid;grid-gap:12px;gap:12px}.proj-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:inherit;display:block}.proj-card:hover{border-color:var(--accent)}.proj-card h3{margin:0 0 4px;font-size:1.05rem}.proj-card .meta{color:var(--muted);font-size:.8rem}.row-actions{display:flex;gap:8px;margin-top:10px}.inline-form{display:flex;gap:8px;margin-bottom:16px}.inline-form .input{flex:1 1}.empty{padding:40px 16px;border:1px dashed var(--line);border-radius:var(--radius)}.empty,.loading{text-align:center;color:var(--muted)}.loading{padding:32px}.back-link{display:inline-block;margin-bottom:12px;font-size:.9rem;text-decoration:none}.editor-wrap{display:flex;flex-direction:column;min-height:70dvh}.editor-bar{align-items:center;justify-content:space-between;margin-bottom:10px;flex-wrap:wrap}.editor-bar,.editor-bar-actions{display:flex;gap:8px}.save-pill{font-size:.8rem;font-weight:600;background:var(--surface);border:1px solid var(--line);color:var(--muted);padding:6px 12px;border-radius:999px}.save-pill.saved{color:var(--green);border-color:#bfe3c9;background:#f0faf3}.save-pill.saving{color:var(--amber);border-color:#ecd9a0;background:#fdf6e3}.save-pill.error,.save-pill.offline{color:var(--red);border-color:#f5c6c2;background:#fdecea}.doc-title{font-size:1.5rem;font-weight:800;letter-spacing:-.01em;border:none;background:transparent;padding:4px 0;margin-bottom:8px;width:100%;color:var(--ink)}.doc-title:focus{outline:none;border-bottom:2px solid var(--accent-soft)}.doc-body{flex:1 1;min-height:52dvh;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:16px;font-size:1.05rem;line-height:1.65;resize:vertical;color:var(--ink);font-family:inherit}.doc-body:focus{outline:2px solid var(--accent);outline-offset:-1px}.editor-foot{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.8rem;margin-top:8px}.brand-mini{font-weight:700}.versions{margin-top:24px;border-top:1px solid var(--line);padding-top:16px}.versions h2{margin:0 0 4px;font-size:1.2rem}.versions-sub{color:var(--muted);font-size:.88rem;margin:0 0 12px}.version-list{list-style:none;padding:0;margin:0;display:grid;grid-gap:8px;gap:8px}.version-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.version-head{width:100%;background:none;border:none;padding:12px 14px;display:flex;gap:10px;align-items:baseline;cursor:pointer;font-size:.9rem;color:var(--ink);text-align:left}.version-date{font-weight:700}.version-note{color:var(--accent);font-size:.78rem;font-weight:600}.version-words{margin-left:auto;color:var(--muted);font-size:.78rem}.version-preview{border-top:1px solid var(--line);padding:12px 14px}.version-preview-title{font-weight:700;margin-bottom:6px}.version-preview pre{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:.88rem;color:var(--muted);max-height:220px;overflow:auto;background:var(--bg);border-radius:8px;padding:10px;margin:0 0 10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.footer{text-align:center;color:var(--muted);font-size:.8rem;padding:24px 18px;border-top:1px solid var(--line)}@media (min-width:640px){.hero h1{font-size:3rem}.card-grid{grid-template-columns:1fr 1fr}}.upgrade-banner{background:#eef4ff;border:1px solid #c9dcff;border-radius:var(--radius);padding:14px 16px;margin-bottom:16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}.upgrade-banner strong{display:block;margin-bottom:2px}.upgrade-banner p{margin:0;font-size:.9rem;color:var(--muted)}.tier-badge{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin-left:8px;vertical-align:middle}.tier-badge.pro{background:#e8f7ee;border-color:#bfe6cd;color:#1d7a3f}.price-grid{display:grid;grid-gap:16px;gap:16px;margin:20px 0}@media (min-width:640px){.price-grid{grid-template-columns:1fr 1fr}}.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.price-card.highlight{border-color:var(--accent);border-width:2px}.price-card h2{margin:0 0 4px}.price-amount{font-size:2rem;font-weight:800;margin:8px 0 16px}.price-amount span{font-size:.9rem;font-weight:400;color:var(--muted)}.price-card ul{list-style:none;padding:0;margin:0 0 20px}.price-card li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:.95rem}.price-card li:last-child{border-bottom:none}