:root{--red:#e3554b;--teal:#25b3bd;--ink:#2b2b2b;--gray:#636363;--line:#e5e5e5;--bg:#f4f6f7;color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0}.wrap{max-width:820px;margin:0 auto;padding:24px 16px 120px}.topbar{z-index:10;border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex;position:sticky;top:0}.topbar h1{color:var(--red);margin:0;font-size:18px}.topbar .actions{align-items:center;gap:10px;display:flex}.card{border:1px solid var(--line);background:#fff;border-radius:14px;margin-top:18px;padding:18px 18px 8px}.card h2{color:var(--teal);margin:0 0 4px;font-size:16px}.card .hint{color:var(--gray);margin:0 0 14px;font-size:13px}.field{margin-bottom:14px}.field label{color:var(--gray);margin-bottom:5px;font-size:13px;font-weight:600;display:block}input[type=text],input[type=url],textarea{border:1px solid var(--line);width:100%;font:inherit;color:var(--ink);background:#fff;border-radius:9px;padding:9px 11px}input:focus,textarea:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:#0000}textarea{resize:vertical;min-height:90px;line-height:1.5}.row{align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.row input{flex:1}button{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:999px;padding:9px 18px;font-weight:600}button.primary{background:var(--teal);color:#fff}button.primary:disabled{opacity:.5;cursor:default}button.ghost{border-color:var(--line);color:var(--gray);background:#fff}button.small{padding:6px 12px;font-size:13px}button.danger{color:var(--red);background:#fff;border-color:#ecc}.savebar{border-top:1px solid var(--line);background:#fff;justify-content:flex-end;align-items:center;gap:12px;padding:12px 16px;display:flex;position:fixed;bottom:0;left:0;right:0}.savebar .status{margin-right:auto;font-size:14px}.status.ok{color:#1a8f4c}.status.err{color:var(--red)}.login-screen{background:radial-gradient(1200px 500px at 50% -10%,#ffffff59,#0000 60%),linear-gradient(155deg,#70b6be 0%,#25b3bd 100%);flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;padding:24px;display:flex}.login{text-align:center;background:#fff;border-radius:22px;width:100%;max-width:380px;padding:36px 32px 32px;box-shadow:0 24px 70px #00000038}.login-logo{width:auto;height:78px;margin:0 auto 20px;display:block}.login h1{color:var(--ink);margin:0 0 6px;font-size:20px}.login p{color:var(--gray);margin:0 0 22px;font-size:14px;line-height:1.5}.login input{text-align:center;margin-bottom:14px}.primary.block{width:100%;padding:12px}.login-foot{color:#ffffffe6;margin:0;font-size:12px}.muted{color:var(--gray);font-size:13px}.split{align-items:flex-start;display:flex}.editor{flex:50%;min-width:0}.editor .wrap{max-width:760px}.preview{border-left:1px solid var(--line);background:#e9edf0;flex:50%;justify-content:center;height:calc(100vh - 122px);display:flex;position:sticky;top:56px;overflow:auto}.viewport{background:#fff;flex:none;height:100%}.viewport.mobile{box-shadow:0 0 0 1px var(--line), 0 10px 34px #00000024}.viewport iframe{border:0;width:100%;height:100%;display:block}.seg{border:1px solid var(--line);border-radius:999px;display:inline-flex;overflow:hidden}.seg button{color:var(--gray);background:#fff;border:0;border-radius:0;padding:6px 14px;font-size:13px;font-weight:600}.seg button.active{background:var(--teal);color:#fff}.seg button:disabled{opacity:.4;cursor:default}.mobiletabs{display:none}@media (width>=1001px){.split.no-editor .editor,.split.no-preview .preview{display:none}}@media (width<=1000px){.desktop-only{display:none!important}.mobiletabs{z-index:9;border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:10px 12px;display:flex;position:sticky;top:0}.mobiletabs .fullseg{flex:100%}.mobiletabs .fullseg button{flex:1;padding:10px;font-size:14px}.split{flex-direction:column}.editor{flex:none;width:100%}.preview{border-left:none;flex:none;width:100%;height:calc(100dvh - 205px);position:static;top:auto}.split.mobile-edit .preview,.split.mobile-preview .editor{display:none}}