:root{--bg:#0b1220;--panel:#111b2d;--panel2:#162238;--text:#edf4ff;--muted:#8fa2bd;--line:#263650;--blue:#4ea1ff;--cyan:#43d6c5;--red:#ff6577;--green:#57d38c;--amber:#f5bf5b;--radius:16px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}.topbar{height:66px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1180px)/2));background:rgba(11,18,32,.94);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:18px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#06101c;font-weight:900}.topbar nav{display:flex;gap:18px;align-items:center}.inline{display:inline}.link-button{background:none;border:0;color:var(--muted);font:inherit;cursor:pointer;padding:8px}.container{max-width:1180px;margin:0 auto;padding:34px 22px 70px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}h1,h2,h3{margin:0 0 6px;letter-spacing:-.025em}h1{font-size:32px}h2{font-size:20px}.muted{color:var(--muted)}.tiny{font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;background:var(--blue);color:#06101c;padding:10px 15px;font-weight:800;cursor:pointer;font:inherit}.button.small{padding:7px 11px}.button.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--line)}.panel,.device-card,.empty{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.device-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:16px}.device-card{transition:.15s transform,.15s border-color}.device-card:hover{transform:translateY(-2px);border-color:#3c567d}.card-top{display:flex;justify-content:space-between;gap:14px}.status{font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:900}.status.up{color:var(--green)}.status.error{color:var(--red)}.status.new{color:var(--amber)}.status.disabled{color:var(--muted)}.speed-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0 16px}.speed-row div{background:var(--panel2);padding:14px;border-radius:12px}.speed-row span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.speed-row strong{font-size:21px}.empty{text-align:center;padding:60px 22px}.empty p{color:var(--muted);margin-bottom:20px}.two-col{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:18px;align-items:start}.stack{display:grid;gap:16px;margin-top:18px}label{font-weight:700;font-size:13px}input,select{width:100%;margin-top:7px;background:#0b1424;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;outline:none}input:focus,select:focus{border-color:var(--blue)}.field-row{display:flex;gap:12px}.grow{flex:1}.port{width:125px}.help{display:block;color:var(--muted);font-weight:400;font-size:12px;margin-top:5px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto;margin:0}.divider{height:1px;background:var(--line);margin:24px 0}.steps{color:var(--muted);padding-left:22px}.steps li{margin:10px 0}.notice{background:#0c1729;border:1px solid var(--line);border-radius:11px;padding:13px;margin-top:18px;color:var(--muted)}.error-note{border-color:#5a2b37;color:#ff9dac}.flash{border-radius:10px;padding:11px 13px;margin:0 0 16px;border:1px solid}.flash.ok{background:#10271e;border-color:#24543a;color:#9ae8b8}.flash.error{background:#2a141a;border-color:#63303b;color:#ff9dac}.status-detail{display:grid;gap:14px;margin-top:18px}.status-detail>div{display:flex;justify-content:space-between;gap:15px;padding-bottom:12px;border-bottom:1px solid var(--line)}.status-detail span{color:var(--muted)}.graph-panel{margin-top:18px}.graph-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.range-tabs{display:flex;gap:4px;background:#0b1424;border:1px solid var(--line);border-radius:10px;padding:4px}.range-tabs button{background:none;color:var(--muted);border:0;border-radius:7px;padding:6px 9px;cursor:pointer}.range-tabs button.active{background:var(--panel2);color:var(--text)}.legend{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-top:15px}.legend span{width:9px;height:9px;border-radius:50%;display:inline-block}.down-dot{background:var(--blue)}.up-dot{background:var(--cyan);margin-left:10px}.canvas-wrap{height:340px;position:relative;margin-top:8px}.canvas-wrap canvas{width:100%;height:100%;display:block}.chart-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted)}.danger{margin-top:18px}.danger-button{background:var(--red);color:#20060a}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:30px}.login-brand{font-size:22px;margin-bottom:6px}@media(max-width:760px){.two-col{grid-template-columns:1fr}.topbar nav>a:first-child{display:none}.page-head,.graph-head{align-items:flex-start;flex-direction:column}.range-tabs{width:100%;justify-content:space-between}.range-tabs button{flex:1}.field-row{flex-direction:column}.port{width:100%}.device-grid{grid-template-columns:1fr}.speed-row{grid-template-columns:1fr}.container{padding:24px 15px 60px}}