:root{font-family:Inter,Pretendard,"Noto Sans KR",system-ui,-apple-system,sans-serif;color:#111827;background:#f4f6fb;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f4f6fb}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr)}.app-shell.locked{filter:blur(2px);pointer-events:none;user-select:none}.sidebar{position:sticky;top:0;height:100vh;padding:24px 18px;background:#0f172a;color:#e5e7eb;display:flex;flex-direction:column}.brand{display:flex;gap:11px;align-items:center}.brand-mark,.login-star{display:grid;place-items:center;background:linear-gradient(135deg,#818cf8,#a78bfa);color:white;box-shadow:0 8px 24px rgba(99,102,241,.35)}.brand-mark{width:38px;height:38px;border-radius:12px;font-size:20px}.brand strong{display:block;font-size:20px;letter-spacing:.08em}.brand span{display:block;margin-top:2px;color:#94a3b8;font-size:10px}.brand-copy{margin:18px 2px 24px;color:#c7d2fe;font-size:13px}.nav{display:grid;gap:7px}.nav button{width:100%;text-align:left;border:1px solid transparent;border-radius:10px;background:transparent;color:#cbd5e1;padding:10px 12px;cursor:pointer}.nav button:hover,.nav button.active{background:#1e293b;color:#fff;border-color:#334155}.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid #334155;display:grid;gap:8px;font-size:11px;color:#94a3b8}.link-button{border:0;background:transparent;color:#c7d2fe;text-align:left;padding:0;cursor:pointer}.main{min-width:0}.topbar{min-height:92px;padding:20px 28px;border-bottom:1px solid #e5e7eb;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:5;backdrop-filter:blur(10px)}.topbar h1{margin:0;font-size:22px}.topbar p{margin:5px 0 0;color:#64748b;font-size:12px}.top-badge{border:1px solid #c7d2fe;color:#4338ca;background:#eef2ff;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:700}.content{padding:24px 28px 56px;max-width:1500px;margin:0 auto}.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:16px;box-shadow:0 1px 2px rgba(15,23,42,.03)}.card h2{font-size:14px;margin:0 0 12px}.section{margin-top:16px}.stack{display:grid;gap:9px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.actions{display:flex;gap:8px;flex-wrap:wrap}.btn{border:1px solid #d1d5db;background:#fff;color:#1f2937;border-radius:9px;padding:8px 11px;cursor:pointer}.btn:hover{background:#f8fafc}.btn.primary{border-color:#4338ca;background:#4338ca;color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.muted{color:#64748b;font-size:12px;line-height:1.6}.empty{border:1px dashed #cbd5e1;border-radius:12px;padding:30px;text-align:center;color:#64748b;font-size:12px}.metric{background:#fff;border:1px solid #e5e7eb;border-radius:13px;padding:15px}.metric .value{font-size:22px;font-weight:800}.metric .label{font-size:11px;color:#64748b;margin-top:4px}.login-overlay{position:fixed;inset:0;z-index:100;background:linear-gradient(135deg,rgba(15,23,42,.97),rgba(49,46,129,.94));display:grid;place-items:center;padding:20px}.login-overlay.hidden{display:none}.login-card{width:min(410px,100%);background:#fff;border-radius:22px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.login-star{width:48px;height:48px;border-radius:15px;margin-bottom:15px;font-size:25px}.login-card h2{margin:0;font-size:28px;letter-spacing:.08em}.login-card p{margin:6px 0 22px;color:#4f46e5}.login-card label{display:grid;gap:6px;margin:12px 0;color:#475569;font-size:12px}.login-card input{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:11px 12px;outline:none}.login-card input:focus{border-color:#6366f1;box-shadow:0 0 0 3px #eef2ff}.login-submit{width:100%;margin-top:7px;padding:11px}.login-card small{display:block;color:#94a3b8;margin-top:13px;text-align:center}.toast{position:fixed;right:22px;bottom:22px;z-index:150;max-width:min(420px,calc(100vw - 44px));background:#111827;color:#fff;border-radius:11px;padding:11px 14px;box-shadow:0 14px 40px rgba(0,0,0,.22);opacity:0;transform:translateY(10px);pointer-events:none;transition:.18s;font-size:12px}.toast.show{opacity:1;transform:translateY(0)}.toast[data-kind="error"]{background:#7f1d1d}@media(max-width:820px){.app-shell{display:block}.sidebar{position:relative;height:auto;padding:14px 16px}.brand-copy{display:none}.nav{display:flex;overflow:auto;margin-top:12px}.nav button{width:auto;white-space:nowrap}.sidebar-foot{display:none}.topbar{position:relative;padding:16px 18px}.content{padding:18px}.top-badge{display:none}}@media(max-width:520px){.topbar h1{font-size:18px}.content{padding:14px}.card{padding:13px}}