:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#213b30;background:#f4f8f5;--ink:#17365b;--muted:#5f7569;--line:#d9e5dd;--green:#087f3d;color-scheme:light}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 13px;min-height:42px;font-weight:650;font-size:13px}button:disabled{opacity:.5;cursor:not-allowed}button:hover:not(:disabled){background:#eaf5ed}button.primary{background:var(--green);border-color:var(--green);color:white}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #4387c1;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--ink)}h1{font-size:31px;letter-spacing:-.04em;line-height:1.18}h2{font-size:20px;letter-spacing:-.025em}h3{font-size:16px}p{line-height:1.55}.intro{font-size:14px;color:var(--muted);margin:10px 0 22px}header{padding:17px 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:white;gap:15px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.brand img{width:45px;height:45px;object-fit:contain}.brand strong{display:block;font-size:23px;letter-spacing:.04em}.brand small{display:block;margin-top:4px;font-size:10px;letter-spacing:.16em;color:var(--muted);font-weight:750}.badge{font-size:11px;padding:7px 11px;border-radius:99px;background:#e6f4e9;color:#356446;font-weight:700;white-space:nowrap}.notice{font-size:12px;color:#765c22;line-height:1.6;background:#fff9e7;border-bottom:1px solid #efe1b9;padding:10px 30px}.studio{display:grid;grid-template-columns:185px minmax(360px,1fr) minmax(330px,415px);max-width:1530px;gap:30px;margin:auto;padding:27px 30px}.sidebar{align-self:start;position:sticky;top:20px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.14em;color:var(--muted);margin-bottom:13px}nav{display:grid;gap:7px}nav button{display:flex;gap:9px;align-items:center;text-align:left;background:transparent;border:0;font-size:12px}nav button span{font-size:10px;border-radius:6px;background:#e5eee8;color:#638170;padding:5px}nav button[aria-current=step]{background:#dcefe1;color:#086634}nav button[aria-current=step] span{background:var(--green);color:white}.side-note{padding:22px 6px;border-top:1px solid var(--line);margin-top:25px;font-size:12px;color:var(--muted)}.side-note p{margin-top:10px}.side-note strong{color:var(--ink)}main{min-width:0}.panel{padding:23px;border:1px solid var(--line);background:white;border-radius:20px;box-shadow:0 5px 25px #1b432205;margin-bottom:18px}.panel>p{font-size:14px;color:var(--muted);margin-top:10px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-head button{font-size:12px;white-space:nowrap}label{display:block;font-size:14px;font-weight:750;color:#365344;margin-top:18px}label small{font-size:11px;font-weight:400;color:var(--muted)}input:not([type=checkbox]):not([type=radio]):not([type=color]),select,textarea{display:block;width:100%;min-width:0;margin-top:7px;border:1px solid #c7d8cd;border-radius:10px;background:white;color:#253d31;padding:11px 12px;font-size:16px}textarea{resize:vertical;line-height:1.6}input[type=file]{font-size:12px!important}input[type=color]{width:100%;height:50px;border:1px solid #c7d8cd;border-radius:10px;background:white;margin-top:7px;padding:5px}.grid{display:grid;grid-template-columns:1fr 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white;box-shadow:0 0 0 1px #cad8ce;border-radius:9px;padding:0}.color-controls{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}.color-control h3{font-size:14px;margin-top:15px}.color-control label{font-size:11px;margin-top:10px}.rgb-fields{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}.rgb-fields input{padding:9px 5px!important;font-size:13px!important;text-align:center}.color-error{color:#a42c23;font-size:12px;margin-top:6px}.color-control input[aria-invalid=true]{border-color:#c64133}.matches{display:grid;gap:7px;margin-top:7px}.matches button{text-align:left;font-size:13px}.matches small{display:block;color:var(--muted);font-size:11px;margin-top:5px}.thumbnails{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.thumbnails img{width:70px;height:58px;object-fit:cover;border-radius:10px}.package-editor{padding:16px;border:1px solid var(--line);background:#f9fcfa;border-radius:14px;margin-top:16px}.package-editor .panel-head button{font-size:11px;min-height:33px;padding:6px 10px}.package-editor textarea{font-size:14px}.package-editor label{font-size:12px;margin-top:13px}.package-editor .check{font-weight:500;font-size:12px}.step-footer,.save-bar{display:flex;justify-content:space-between;align-items:center;gap:9px;padding:5px 0 18px}.step-footer span{font-size:12px;color:var(--muted)}.save-bar{border-top:1px solid var(--line);padding-top:17px;justify-content:flex-start;flex-wrap:wrap}dl{margin:10px 0 20px}dl>div{padding:11px 0;border-bottom:1px solid var(--line)}dt{font-size:12px;color:var(--muted)}dd{margin:4px 0 0;font-size:15px;font-weight:650;color:var(--ink);overflow-wrap:anywhere}.preview{align-self:start;position:sticky;top:20px;min-width:0}.preview-head{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--ink);font-size:15px}.preview-head small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.segments{display:grid;grid-template-columns:1fr 1fr;gap:4px;border:1px solid var(--line);border-radius:12px;background:#eaf1ec;padding:4px;margin-top:15px}.segments button{border:0;background:transparent;border-radius:8px;font-size:12px}.segments button[aria-pressed=true]{background:white;color:var(--green);box-shadow:0 2px 8px #244d1510}.device-switch{display:flex;justify-content:center;gap:16px;margin:6px 0}.device-switch button{border:0;background:transparent;font-size:11px;min-height:28px;padding:5px}.device-switch [aria-pressed=true]{text-decoration:underline}.frame-shell{width:100%;max-width:392px;margin:12px auto 0;border:5px solid #cbdad0;border-radius:26px;overflow:hidden;box-shadow:0 13px 45px #143f2513;background:white}iframe{display:block;width:100%;height:720px;max-height:77vh;border:0}.centered{text-align:center}.studio.desktop-mode{grid-template-columns:180px minmax(320px,400px) minmax(600px,1fr);max-width:none}.desktop-mode .frame-shell{max-width:none;border-radius:15px}.studio.desktop-mode .preview{position:sticky}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}#errors,#checkErrors{padding:13px;background:#fff0ed;color:#94362b;font-size:13px;line-height:1.55;border:1px solid #efc9bf;border-radius:12px;margin:15px 0}dialog{border:1px solid var(--line);border-radius:22px;background:white;color:#263f31;width:min(560px,calc(100vw - 26px));max-height:90vh;padding:23px;overflow:auto}dialog::backdrop{background:#17365b85;backdrop-filter:blur(2px)}fieldset{margin:20px 0;border:1px solid var(--line);border-radius:12px;padding:13px}legend{font-size:13px;font-weight:750;color:var(--ink);padding:0 4px}.history-card{background:#f1f7f3;border:1px solid var(--line);border-radius:12px;padding:13px;margin-top:14px;font-size:12px;line-height:1.6;white-space:pre-line}
@media(max-width:1120px){.studio{grid-template-columns:minmax(335px,1fr) 350px;padding:22px;gap:20px}.sidebar{grid-column:1/-1;position:static}.sidebar nav{display:flex;overflow:auto}.sidebar nav button{white-space:nowrap;flex-shrink:0}.sidebar>.eyebrow,.side-note{display:none}.studio.desktop-mode{grid-template-columns:minmax(335px,1fr)}.desktop-mode .sidebar,.desktop-mode .preview{grid-column:1/-1;position:static}.desktop-mode .frame-shell{max-width:1024px}}
@media(max-width:730px){header{padding:13px 16px}.brand img{width:33px;height:33px}.brand strong{font-size:19px}.brand small{font-size:8px}.badge{font-size:9px;padding:6px 8px}.notice{padding:10px 16px;font-size:11px}.studio{display:block;padding:16px}.sidebar{margin-bottom:20px}.panel{padding:17px}.panel-head{flex-wrap:wrap}h1{font-size:28px}h2{font-size:19px}.grid{gap:10px}.grid label{font-size:12px}.preview{position:static;margin-top:26px}.color-controls{gap:12px}.color-control h3{min-height:34px}.color-control input{font-size:14px!important}.color-control input[type=color]{height:44px}.step-footer button{font-size:12px}.studio.desktop-mode{display:block}.desktop-mode .frame-shell{overflow:auto}.desktop-mode iframe{width:1024px}dialog{padding:18px}.save-bar button{font-size:12px}}