:root{--bg:#0f1419;--panel:#1a222c;--border:#2a3542;--text:#e8eef4;--muted:#8b9aab;--accent:#e85d4c;--accent-2:#3d8bfd;--ok:#3ecf8e;--warn:#f0b429;--danger:#f07178;--radius:10px;--font:"Pretendard","Apple SD Gothic Neo","Noto Sans KR",sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(1200px 600px at 10% -10%,#2a1a18 0,transparent 55%),radial-gradient(900px 500px at 100% 0,#132238 0,transparent 50%),var(--bg);color:var(--text);font-family:var(--font)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.container{width:min(1100px,calc(100% - 2rem));margin:0 auto}.card{background:color-mix(in srgb,var(--panel) 92%,transparent);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:8px;padding:.65rem 1rem;background:var(--accent);color:white;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#243041;color:var(--text)}.btn.ghost{background:transparent;border:1px solid var(--border)}.input{width:100%;padding:.7rem .85rem;border-radius:8px;border:1px solid var(--border);background:#121820;color:var(--text)}.label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.35rem}.field{margin-bottom:1rem}.table{width:100%;border-collapse:collapse;font-size:.92rem}.table td,.table th{text-align:left;padding:.7rem .5rem;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:600}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;background:#243041}.badge.on{background:color-mix(in srgb,var(--ok) 25%,transparent);color:var(--ok)}.badge.off{background:color-mix(in srgb,var(--danger) 20%,transparent);color:var(--danger)}.nav{display:flex;gap:1rem;align-items:center;padding:1rem 0 1.5rem}.nav a{color:var(--muted)}.nav a.active,.nav a:hover{color:var(--text)}.brand{font-weight:800;letter-spacing:-.02em;margin-right:auto}.muted{color:var(--muted)}.error{color:var(--danger);font-size:.9rem;margin-top:.5rem}.grid-2{display:grid;grid-gap:1rem;gap:1rem}@media (min-width:860px){.grid-2{grid-template-columns:1fr 1fr}}