:root{--bg: #0b1220;--card: #131c2e;--line: #1e293b;--text: #e2e8f0;--muted: #94a3b8;--primary: #22c55e;--danger: #ef4444;--accent: #38bdf8}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100%;padding-bottom:64px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#0b1220eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10}.brand{font-weight:700;letter-spacing:.5px}.content{padding:16px;max-width:720px;width:100%;margin:0 auto}h2{margin:8px 0 6px;font-size:22px}h3{margin:22px 0 10px;font-size:16px;color:#cbd5e1}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.error{background:#3b1217;color:#fca5a5;padding:8px 10px;border-radius:8px;margin:8px 0;font-size:13px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0}.list{display:flex;flex-direction:column;gap:2px}.device-row{display:flex;justify-content:space-between;align-items:center;text-decoration:none;color:inherit}.title{font-weight:600}.right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:2px}.dot{width:8px;height:8px;border-radius:50%;background:#475569;display:inline-block}.dot.online{background:var(--primary);box-shadow:0 0 8px #22c55ecc}button{font:inherit;border:none;border-radius:10px;padding:10px 14px;cursor:pointer}button:disabled{opacity:.5;cursor:default}.primary{background:var(--primary);color:#04140a;font-weight:700}.danger{background:var(--danger);color:#fff;font-weight:700}.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.form{display:flex;flex-direction:column;gap:10px}input{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:#0f172a;color:var(--text);font:inherit;outline:none}input:focus{border-color:var(--accent)}.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}.logo{font-size:26px;font-weight:800;color:var(--primary)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}.stat .k{color:var(--muted);font-size:12px}.stat .v{font-size:20px;font-weight:700;margin-top:4px}.stat .v small{font-size:11px;color:var(--muted);margin-left:2px}.actions{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 4px}.actions button{flex:1;min-width:96px}.chart-card{padding:8px 6px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:500}.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;border-top:1px solid var(--line);background:#0b1220f5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.tab{flex:1;text-align:center;padding:16px 0;color:var(--muted);text-decoration:none;font-size:14px}.tab.active{color:var(--primary);font-weight:700}.page-head,.row-between{display:flex;justify-content:space-between;align-items:center}.history-nums{display:flex;gap:16px;margin-top:6px;font-size:14px}.remember{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.remember input{width:auto}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{width:100%;max-width:360px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px}.modal-title{font-size:17px;font-weight:700}.modal-message{line-height:1.5}.modal-actions{display:flex;gap:8px;margin-top:4px}.modal-actions button{flex:1}.head-actions{display:flex;gap:8px}.offline-line{color:#f59e0b;font-size:13px;margin-top:6px}.danger-text{color:#fca5a5}.badge.charging{background:#22c55e26;color:#4ade80;border:1px solid rgba(34,197,94,.35);padding:2px 8px;border-radius:999px;font-size:12px}button:disabled{opacity:.35}.ptr{position:fixed;top:0;left:50%;z-index:60;padding:5px 12px;border-radius:999px;background:#131c2ef2;border:1px solid var(--line);color:var(--muted);font-size:12px;pointer-events:none;transition:transform .12s ease-out,opacity .12s ease-out}