:root{--ink: #17211c;--muted: #607067;--paper: #f7f4ed;--line: #c8d0c7;--green: #245a43;--green-2: #d5ead7;--red: #9b2f27;--gold: #d8b75a;--white: #fffdf8}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;background:linear-gradient(90deg,rgba(36,90,67,.08) 1px,transparent 1px),linear-gradient(180deg,rgba(36,90,67,.06) 1px,transparent 1px),var(--paper);background-size:32px 32px}button,input,textarea{font:inherit}.shell{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;min-height:100vh;padding:24px}.workspace{min-width:0}.mast{position:relative;min-height:240px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#203b32}.mast__image{width:100%;height:280px;object-fit:cover;opacity:.45;display:block}.mast__copy{position:absolute;left:28px;bottom:24px;max-width:680px;color:var(--white)}.mast h1{margin:8px 0;font-size:42px;line-height:1.1}.eyebrow{margin:0;color:inherit;font-size:13px;letter-spacing:0;text-transform:uppercase;opacity:.72}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.panel,.account-card{border:1px solid var(--line);border-radius:8px;background:#fffdf8e0}.panel{min-height:560px;padding:18px}.panel-head{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-head.compact{margin-bottom:10px}h2{margin:4px 0 0;font-size:22px}textarea{width:100%;min-height:310px;resize:vertical;border:1px solid var(--line);border-radius:8px;padding:14px;color:var(--ink);background:var(--white);line-height:1.75}.metrics,.controls{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0;color:var(--muted);font-size:14px}.controls label{display:grid;gap:6px;min-width:180px}.output{min-height:452px;white-space:pre-wrap;line-height:1.8;border-left:4px solid var(--green);padding:12px 16px;background:#fbfaf4}.output.empty{color:var(--muted)}.account{display:grid;align-content:start;gap:16px}.account-card{padding:18px}.account-card strong{display:block;margin:8px 0;font-size:34px;color:var(--green)}input{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;background:var(--white)}.auth-card{display:grid;gap:12px}.primary,.ghost,.chip{border-radius:8px;border:1px solid transparent;cursor:pointer}.primary{width:100%;padding:13px 16px;color:var(--white);background:var(--green)}.primary:disabled,.ghost:disabled{cursor:not-allowed;opacity:.55}.ghost{padding:9px 12px;color:var(--green);background:var(--green-2);border-color:#a8c9ad}.chips{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:12px 0}.chip{padding:12px;background:var(--white);border-color:var(--line)}.chip.active{border-color:var(--green);background:var(--green-2)}.pay-link{display:block;margin-top:12px;color:var(--red)}.notice{color:var(--red);line-height:1.5}.history-card{display:grid;gap:10px}.history-empty{color:var(--muted);font-size:14px}.history-item{display:grid;gap:5px;width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;text-align:left;color:var(--ink);background:var(--white)}.history-item span{color:var(--green);font-size:12px}.history-item strong{font-size:14px;line-height:1.45;font-weight:600}.history-item small{color:var(--muted)}@media (max-width: 1100px){.shell{grid-template-columns:1fr}.account{grid-template-columns:repeat(3,1fr)}}@media (max-width: 760px){.shell{padding:12px}.editor-grid,.account{grid-template-columns:1fr}.mast h1{font-size:30px}.mast__copy{left:18px;right:18px}}