:root{--bg:#0b1117;--panel:#0e141b;--border:#1e2935;--text:#e6eef7;--muted:#9fb0c0;--accent:#3aa0ff;--bad:#ff5d5d;--good:#25d28f}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR",sans-serif}
.topbar{position:sticky;top:0;background:#0a121a;border-bottom:1px solid var(--border);z-index:50}
.topbar .inner{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;gap:10px;align-items:center;justify-content:space-between}
.brand{font-weight:800;letter-spacing:.3px}
.badge{padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:#0c151e}
.wrap{max-width:1100px;margin:24px auto;padding:16px}
.h1{font-size:24px;font-weight:800;margin:0 0 12px}
.h2{font-size:18px;font-weight:700;margin:4px 0 10px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px;margin:14px 0;box-shadow:0 6px 16px rgba(0,0,0,.25)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:920px){ .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px} }
input,select,button,textarea{border-radius:10px;border:1px solid #223140;background:#0b131c;color:var(--text);padding:10px}
button{cursor:pointer;font-weight:700}
button.primary{background:var(--accent);border:0;color:#07121e}
button.secondary{background:#0d1620;border:1px solid var(--border)}
button.ghost{background:transparent;border:1px dashed var(--border);color:var(--muted)}
input:focus,textarea:focus,select:focus{outline:2px solid #174a7d}
.input-row{display:flex;gap:10px;flex-wrap:wrap}
.help{font-size:.92rem;color:var(--muted)}
.error{color:var(--bad);font-weight:700}
.success{color:var(--good);font-weight:700}
.full{width:100%}
.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.tr{display:grid;grid-template-columns:2fr 110px 120px 260px 140px;gap:10px;align-items:center}
.th,.td{padding:8px 10px;border:1px solid var(--border);background:#0b141e}
.th{font-weight:800;background:#0d1722}
.pill{padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:#0c151e;font-size:.92rem}
hr.line{border:none;border-top:1px dashed var(--border);margin:10px 0}
.toast{position:fixed;right:18px;bottom:18px;max-width:420px;background:#0f1822;border:1px solid var(--border);padding:12px 14px;border-radius:12px;box-shadow:0 10px 26px rgba(0,0,0,.5);display:none}
.toast.show{display:block}
.spinner{width:18px;height:18px;border:3px solid #223140;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.small{opacity:.85}textarea{width:100%;min-height:200px;resize:vertical}