:root{--teal: #149188;--teal-bright: #2bc9be;--teal-bg: #e9f5f3;--teal-deep: #0b4f4a;--ink: #1a2b33;--muted: #5b6770;--line: #dde6e4;--bg: #f4f7f6;--card: #ffffff;--red: #d4544a;--amber: #b7791f;--green: #2f8a4c;--radius: 12px;--font: "Pretendard Variable", Pretendard, -apple-system, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;word-break:keep-all}a{color:var(--teal);text-decoration:none}button{font-family:inherit}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:18px;padding:0 20px;height:54px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.topbar .brand{display:flex;align-items:center;gap:7px}.topbar .brand img{height:36px;width:auto;display:block}.topbar nav{display:flex;gap:4px;flex:1;overflow-x:auto}.topbar nav a{padding:7px 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