:root{--bg:#f5f6f8;--panel:#fff;--line:#e6e8ec;--ink:#111;--muted:#8a90a0;--accent:#111;--blue:#2f6bff}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,-apple-system,system-ui,Malgun Gothic,sans-serif}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit}.studio{max-width:1360px;margin:0 auto;padding:20px 24px}.top{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding-bottom:16px;display:flex}.brand{font-size:22px;font-weight:700}.logo{margin-right:6px}.sub{color:var(--muted);font-size:13px}.acct{align-items:center;gap:10px;margin-left:auto;font-size:12px;display:flex}.acct .who{color:var(--muted)}.acct .plan{color:#fff;background:#111;border-radius:6px;padding:3px 8px}.status{color:#c9860a}.status.busy{color:var(--blue)}.grid{grid-template-columns:1fr 380px;align-items:start;gap:20px;margin-top:20px;display:grid}.left{flex-direction:column;gap:16px;display:flex}.card-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}.box-head{justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:600;display:flex}.box-head .auto{color:#fff;background:#111;border-radius:6px;padding:3px 8px;font-size:11px}.dropzone{border:2px dashed var(--line);text-align:center;color:var(--muted);cursor:pointer;border-radius:12px;padding:48px;transition:all .15s}.dropzone:hover{border-color:var(--blue)}.dz-ico{font-size:28px}.dropzone p{color:var(--ink);margin:8px 0 2px}.loaded b{color:var(--ink);display:block}.loaded span{color:var(--muted);font-size:12px}.result .preview{border:1px solid var(--line);border-radius:10px;width:100%;height:520px}.right{flex-direction:column;gap:14px;display:flex}.presets{background:var(--panel);border:1px solid 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var(--line);background:#fafbfc;justify-content:center;align-items:center;font-size:11px;display:flex}.seg-spine{background:#e9efff}.seg-flap{color:#bbb;background:#f3f3f3;justify-content:center;align-items:center;font-size:9px;display:flex}.dims{gap:10px;display:flex}.dims div{background:#f7f8fa;border-radius:8px;flex:1;padding:8px 10px}.dims small{color:var(--muted);font-size:10px;display:block}.dims b{font-size:13px}.adv{flex-direction:column;gap:4px;margin-top:12px;display:flex;position:relative}.badge-pro{color:#fff;background:#111;border-radius:5px;padding:2px 6px;font-size:9px;position:absolute;top:26px;right:0}.landing{color:var(--ink)}.landing nav{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:18px 32px;display:flex}.cta{color:#fff;background:#111;border-radius:9px;padding:8px 16px;font-size:14px;text-decoration:none}.cta.big{margin-top:20px;padding:14px 28px;font-size:16px;display:inline-block}.landing 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0;font-size:11px;line-height:1.4}.badge-inline{color:#2f6bff;background:#eef3ff;border-radius:5px;margin-left:6px;padding:1px 5px;font-size:9px}.acct{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.acct .usage{color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:11px}.acct .admin-link{color:var(--blue);font-size:12px;text-decoration:none}.linkbtn{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:12px;text-decoration:underline}.login-buttons{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.btn-kakao{color:#191600;cursor:pointer;background:#fee500;border:none;border-radius:8px;padding:6px 12px;font-size:12px;font-weight:600}.btn-naver{color:#fff;cursor:pointer;background:#03c75a;border:none;border-radius:8px;padding:6px 12px;font-size:12px;font-weight:600}.dev-login{align-items:center;gap:4px;display:flex}.dev-login small{color:#fff;background:#c9860a;border-radius:4px;padding:1px 4px;font-size:9px}.dev-login button{border:1px dashed var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:4px 8px;font-size:11px}.gate-wrap{position:relative}.gate-locked{cursor:pointer;position:relative}.gate-locked .gate-disabled{opacity:.5;pointer-events:none;filter:grayscale(.4)}.gate-badge{z-index:2;color:#fff;background:#111;border-radius:6px;padding:2px 7px;font-size:10px;position:absolute;top:-2px;right:6px}.modal-backdrop{z-index:50;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:14px;width:90%;max-width:420px;padding:24px;box-shadow:0 20px 60px #0003}.modal h3{margin:0 0 10px}.modal p{color:#444;margin:6px 0;font-size:14px}.modal .muted{color:var(--muted);font-size:12px}.modal .btn{margin-top:14px}.admin{max-width:960px;margin:0 auto;padding:28px}.admin-head{justify-content:space-between;align-items:center;display:flex}.admin .muted{color:var(--muted);font-size:12px}.admin 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