:root{--navy:#071a41;--ink:#142548;--muted:#687792;--line:#e6eaf2;--purple:#713bff;--bg:#f5f7fb}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:15px/1.5 'DM Sans',Arial,sans-serif;background:var(--bg)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.logo{font:800 22px Arial;color:var(--navy);letter-spacing:-1px}.logo span{font-weight:500;color:#00bfae}.auth{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(100%,520px);background:white;padding:34px;border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 65px #10224c12}.auth-card h1{margin:24px 0 6px;font-size:27px}.auth-card p{color:var(--muted);margin:0 0 24px}.auth-card h2{font-size:15px;margin:22px 0 8px}.auth-card label{display:block;font-size:13px;font-weight:700;margin:12px 0}.auth-card input{width:100%;height:44px;border:1px solid #dce2ed;border-radius:8px;padding:0 12px;margin-top:5px}.primary{border:0;border-radius:9px;background:var(--navy);color:white;padding:13px 19px;font-weight:700}.auth-card .primary{width:100%;margin-top:20px}.error{background:#fff1f1;color:#9f2424;border:1px solid #f5d1d1;border-radius:9px;padding:11px 13px;margin:14px 0}.appbar{height:66px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(calc((100vw - 1320px)/2),24px);position:sticky;top:0;z-index:5}.appbar-right{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:13px}.appbar button,.subtle{border:1px solid var(--line);border-radius:8px;background:white;padding:9px 13px}.layout{max-width:1320px;margin:24px auto;padding:0 24px;display:grid;grid-template-columns:270px 1fr;gap:22px}.card{background:white;border:1px solid var(--line);border-radius:13px;padding:22px}.left h1{font-size:19px;margin:0 0 4px}.muted{color:var(--muted);font-size:13px}.section-list{display:grid;gap:7px;margin:20px 0}.section-list button{text-align:left;border:1px solid transparent;background:white;border-radius:8px;padding:10px;color:#354563}.section-list button:hover,.section-list button.active{background:#f2efff;border-color:#e4dcff;color:#5730cc}.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.toolbar button{background:white;border:1px solid var(--line);border-radius:6px;padding:7px 10px}.editor-frame{width:100%;height:78vh;border:1px solid var(--line);border-radius:10px;background:white}.edit-box{min-height:360px;max-height:68vh;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:20px;outline:none}.editor-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.danger{color:#9e3540}.notice{padding:12px;border-radius:8px;background:#eef7ff;color:#254770;margin:12px 0}.history{padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}@media(max-width:800px){.layout{grid-template-columns:1fr;padding:0 12px}.appbar{padding:0 14px}.auth-card{padding:24px}}