:root{--bg:#f2f2f7;--panel:#fff;--panel-soft:#f8f8fb;--ink:#111114;--muted:#63636f;--faint:#8e8e93;--line:#d9d9df;--soft:#e9e9ee;--green:#003f33;--green-soft:#e5f7ef;--dark:#0b0d10;--coral:#f05f3e;--blue:#007aff;--ios-gray:#f2f2f7;--ios-card:#ffffffc7;--shadow:0 18px 54px #10111517;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0}button,input,textarea,select{font:inherit;letter-spacing:0}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #1863dc3d}.app-shell{background:linear-gradient(90deg, #007aff07 1px, transparent 1px), linear-gradient(180deg, #007aff07 1px, transparent 1px), radial-gradient(circle at 78% 12%, #007aff14, transparent 30%), radial-gradient(circle at 28% 34%, #003f3312, transparent 24%), var(--bg);background-size:40px 40px;grid-template-columns:272px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{background:linear-gradient(180deg, #007aff29, transparent 30%), linear-gradient(180deg, #003f3342, transparent 52%), var(--dark);color:#fff;border-right:1px solid #ffffff14;grid-template-rows:auto 1fr auto;gap:24px;height:100vh;padding:22px 16px;display:grid;position:sticky;top:0}.brand{color:#fff;text-align:left;background:0 0;border:0;grid-template-columns:42px minmax(0,1fr);gap:10px;width:100%;display:grid}.brand span{width:42px;height:42px;color:var(--green);background:#dfffe8;border-radius:12px;grid-row:span 2;place-items:center;font-weight:950;display:grid}.brand strong{text-overflow:ellipsis;white-space:nowrap;font-size:21px;line-height:1.05;overflow:hidden}.brand small{color:#ffffff94}.sidebar nav{align-content:start;gap:6px;display:grid}.sidebar nav a{color:#ffffffad;border-radius:12px;align-items:center;gap:10px;min-height:42px;padding:0 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p:not(.eyebrow){max-width:700px;color:var(--muted);margin:0;font-size:16px;line-height:1.62}.hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));align-content:center;gap:8px;display:grid}.hero-stats article{border:1px solid var(--line);background:#ffffffb8;border-radius:14px;min-width:0;padding:13px}.hero-stats span,.analytics em{color:var(--muted);font-size:12px;font-style:normal;font-weight:850}.hero-stats strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;margin-top:6px;font-size:22px;display:block;overflow:hidden}.workspace{grid-template-columns:minmax(0,1fr) minmax(420px,480px);align-items:start;gap:16px;display:grid}.editor,.preview-column{gap:14px;display:grid}.preview-column{position:sticky;top:82px}.panel{gap:14px;padding:16px;display:grid}.panel-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.panel-head h2{margin:3px 0 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