:root{--bg:#0c1116;--fg:#d6dde5;--card:#111827;--muted:#94a3b8;--ok:#10b981;--bad:#ef4444}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.5 ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial}
a{color:#60a5fa}.container{max-width:1024px;margin:24px auto;padding:0 16px}
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#0b1220;border-bottom:1px solid #1f2937}
.app-header .brand a{text-decoration:none;color:#fff;font-weight:700}
.app-header nav a{margin:0 8px;text-decoration:none;color:#d1d5db}
.card{background:var(--card);padding:16px;border-radius:12px;border:1px solid #1f2937;margin:16px 0}
.input,.btn,select,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid #334155;background:#0b1220;color:var(--fg)}
.btn{background:#1f6feb;border-color:#1f6feb;cursor:pointer}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid #1f2937;padding:10px;text-align:left}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#1f2937;color:#cbd5e1}
.help{color:var(--muted);font-size:.925rem;margin-top:8px}
.inline{display:inline}