:root{--bg:#0e0f13;--bg-elev:#15171e;--surface:#1a1d26;--surface-2:#21242f;--surface-3:#272b38;--border:#2a2f3c;--border-soft:#20242f;--text:#ececf1;--muted:#9aa1b1;--faint:#6b7280;--accent:#d99a5b;--accent-strong:#e8ad6e;--accent-ink:#20140a;--accent-soft:rgba(217,154,91,0.15);--accent-line:rgba(217,154,91,0.35);--good:#5bb98c;--danger:#ff6b6b;--shadow:0 1px 2px rgba(0,0,0,0.4),0 8px 24px rgba(0,0,0,0.25);--shadow-sm:0 1px 2px rgba(0,0,0,0.35);--r-sm:8px;--r:12px;--r-lg:16px;--r-xl:22px;--sidebar-w:252px;--sidebar-cw:64px;--topbar-h:56px;--read:768px}:root[data-theme=light]{--bg:#faf9f7;--bg-elev:#ffffff;--surface:#ffffff;--surface-2:#f3f2ef;--surface-3:#ebe9e4;--border:#e6e3dd;--border-soft:#efece6;--text:#1c1b18;--muted:#6f6b62;--faint:#a09a8f;--accent:#b5733a;--accent-strong:#a5642f;--accent-ink:#ffffff;--accent-soft:rgba(181,115,58,0.1);--accent-line:rgba(181,115,58,0.3);--shadow:0 1px 2px rgba(60,50,35,0.06),0 10px 30px rgba(60,50,35,0.08);--shadow-sm:0 1px 2px rgba(60,50,35,0.07)}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Noto Sans KR,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;font-size:15px}::selection{background:var(--accent-soft)}.scroll::-webkit-scrollbar,.sidebar::-webkit-scrollbar,textarea::-webkit-scrollbar{width:10px;height:10px}.scroll::-webkit-scrollbar-thumb,.sidebar::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:10px;border:3px solid transparent;background-clip:content-box}.scroll::-webkit-scrollbar-thumb:hover{background:var(--faint);background-clip:content-box}button{font-family:inherit;cursor:pointer}a{color:inherit}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh;overflow:hidden}.app.collapsed{grid-template-columns:var(--sidebar-cw) 1fr}.sidebar{display:flex;flex-direction:column;gap:4px;padding:12px 12px 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