*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:#f4f6f8;color:#151922}
.header{background:#111827;color:#fff;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.header h1{font-size:18px;margin:0}
.header nav{display:flex;gap:4px;flex-wrap:wrap}
.header a{color:#fff;text-decoration:none;padding:7px 10px;border-radius:4px;font-size:14px}
.header a:hover,.header a.active{background:#2563eb}
.container{max-width:1500px;margin:24px auto;padding:0 18px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}
.page-head h2{font-size:22px;margin:0}
.muted{color:#6b7280;font-size:13px}
.grid{display:grid;gap:14px}
.stats{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));margin-bottom:18px}
.card,.stat{background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 1px 2px rgba(15,23,42,.06)}
.card{padding:18px;margin-bottom:16px}
.stat{padding:16px}
.stat .label{font-size:12px;color:#6b7280;font-weight:700;text-transform:uppercase;letter-spacing:0}
.stat .value{font-size:28px;font-weight:800;margin-top:6px}
.toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:14px}
.inline-controls{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:0}
.inline-controls select{width:auto;min-width:120px;padding:5px 8px;font-size:12px}
label{display:block;font-size:12px;font-weight:700;color:#4b5563;margin-bottom:5px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid #d1d5db;border-radius:6px;font:inherit;background:#fff}
textarea{min-height:96px}
.field{min-width:180px}
.btn{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:6px;padding:9px 13px;font-weight:700;font-size:13px;cursor:pointer;text-decoration:none;background:#2563eb;color:#fff}
.btn.gray{background:#6b7280}.btn.red{background:#dc2626}.btn.green{background:#059669}.btn.small{padding:5px 9px;font-size:12px}
.msg{padding:10px 12px;border-radius:6px;margin-bottom:14px;font-size:14px}.msg.ok{background:#dcfce7;color:#166534}.msg.err{background:#fee2e2;color:#991b1b}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:10px 11px;border-bottom:1px solid #edf0f3;text-align:left;font-size:13px;vertical-align:top}
th{background:#f9fafb;color:#6b7280;font-size:11px;text-transform:uppercase;letter-spacing:0}
.table-wrap{overflow-x:auto;border:1px solid #e5e7eb;border-radius:8px;background:#fff}
.badge{display:inline-block;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:800;text-transform:uppercase}
.badge.online,.badge.completed,.badge.acked{background:#dcfce7;color:#166534}
.badge.offline,.badge.cancelled{background:#e5e7eb;color:#374151}
.badge.charging,.badge.sent,.badge.queued{background:#dbeafe;color:#1d4ed8}
.badge.error,.badge.failed{background:#fee2e2;color:#991b1b}
.mono{font-family:"SF Mono",Consolas,monospace;font-size:12px}
.login-body{min-height:100vh;display:grid;place-items:center;background:#111827}
.login-card{width:min(420px,92vw);background:#fff;border-radius:10px;padding:28px;box-shadow:0 24px 70px rgba(0,0,0,.35)}
.login-card h1{margin:0 0 6px}
.admin-columns{grid-template-columns:repeat(auto-fit,minmax(340px,1fr));align-items:start}
.admin-columns .wide{grid-column:1/-1}
.feed-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid #eef2f7}
.feed-row:last-child{border-bottom:0}
.feed-row>span{min-width:0}
.feed-row strong{overflow-wrap:anywhere}
.feed-row .right{text-align:right}
@media(max-width:720px){.page-head{align-items:flex-start;flex-direction:column}.admin-columns{grid-template-columns:1fr}.feed-row{align-items:flex-start}.feed-row .right{text-align:left}}