:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#182230;background:#f2f5f8;--ink:#182230;--muted:#667085;--line:#e4e9ef;--panel:#fff;
  --nav:#101722;--nav2:#172230;--accent:#2563eb;--accent2:#1d4ed8;--good:#15803d;--warn:#b45309;--bad:#b42318;
  --shadow:0 10px 30px rgba(16,24,40,.08);--radius:16px
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#f2f5f8}body{min-height:100vh}.hidden{display:none!important}
button,input,select{font:inherit}button{cursor:pointer}.muted{color:var(--muted)}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#284875 0,transparent 28%),radial-gradient(circle at 90% 85%,#183e69 0,transparent 30%),#0c1420}
.login-card{width:min(440px,100%);background:rgba(255,255,255,.98);border:1px solid rgba(255,255,255,.5);border-radius:24px;padding:36px;box-shadow:0 30px 80px rgba(0,0,0,.28)}
.logo-mark{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#38bdf8);color:#fff;font-weight:900;font-size:24px;box-shadow:0 8px 22px rgba(37,99,235,.28)}.logo-mark.small{width:38px;height:38px;border-radius:11px;font-size:19px;box-shadow:none}
.brand{font-size:28px;font-weight:850;letter-spacing:-1px;margin-top:16px}.brand span{font-weight:500}.brand.small{font-size:20px;margin:0;color:#fff}.eyebrow{font-size:11px;letter-spacing:.14em;color:#2563eb;font-weight:800;margin:6px 0 22px}.login-card h1{font-size:25px;margin:0 0 6px}.login-card>p.muted{margin:0 0 22px;line-height:1.45}
label{display:grid;gap:7px;font-size:12px;font-weight:700;color:#475467}.login-card label{margin:13px 0}input,select{width:100%;border:1px solid #d6dde6;background:#fff;color:var(--ink);border-radius:10px;padding:11px 12px;outline:none;transition:.15s}input:focus,select:focus{border-color:#7aa2ee;box-shadow:0 0 0 3px rgba(37,99,235,.10)}
.primary,.secondary,.ghost,.danger,.icon-btn{border:0;border-radius:10px;padding:10px 14px;font-weight:750}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent2)}.secondary{background:#253246;color:#e7edf5}.ghost{background:#eff4ff;color:#234eaa}.danger{background:#fff0ef;color:#b42318;border:1px solid #ffd5d2}.wide{width:100%}.error{color:var(--bad);font-size:13px;min-height:20px;margin-top:10px}
.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,var(--nav),#0d131c);color:#fff;padding:20px 16px;display:flex;flex-direction:column;z-index:30}.sidebar-head{display:flex;align-items:center;gap:11px;padding:3px 6px 16px}.sidebar-sub{color:#8290a4;font-size:11px;margin-top:2px}.user-chip{margin:0 5px 16px;border:1px solid #273548;background:#172130;color:#aeb9c8;border-radius:12px;padding:10px 12px;font-size:12px;overflow:hidden;text-overflow:ellipsis}
nav{display:grid;gap:4px;flex:1}nav button{border:0;background:transparent;color:#aeb8c6;text-align:left;padding:10px 12px;border-radius:10px;font-weight:650;display:flex;align-items:center;gap:10px}nav button span{width:20px;text-align:center;color:#8ca1bd}nav button:hover{background:#172232;color:#fff}nav button.active{background:#21334c;color:#fff;box-shadow:inset 3px 0 0 #4f8cff}.logout-btn{width:100%}
.content-shell{min-width:0}.topbar{height:74px;display:flex;align-items:center;gap:14px;padding:0 28px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.page-title{font-size:18px;font-weight:850}.page-subtitle{font-size:11px;color:var(--muted);margin-top:2px}.server-pill{margin-left:auto;display:flex;align-items:center;gap:7px;border:1px solid #dfe6ed;border-radius:999px;padding:7px 10px;font-size:11px;color:#475467;background:#fff}.dot{width:8px;height:8px;border-radius:50%}.dot.online{background:#22c55e;box-shadow:0 0 0 3px #dcfce7}
main{padding:26px;max-width:1600px;width:100%;margin:0 auto}.section-head,.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.section-head{margin-bottom:16px}.section-head h2,.panel-head h2{margin:0;font-size:22px;letter-spacing:-.02em}.section-head p,.panel-head p{margin:5px 0 0;color:var(--muted);font-size:13px}
.stats-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 1px 2px rgba(16,24,40,.03)}.stat-label{font-size:12px;color:var(--muted);font-weight:700}.stat-value{font-size:30px;font-weight:850;letter-spacing:-1px;margin-top:8px}.stat-foot{font-size:11px;color:#8793a2;margin-top:5px}.stat-card.good .stat-value{color:var(--good)}.stat-card.warn .stat-value{color:var(--warn)}
.panel-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:18px}.panel,.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(16,24,40,.03)}.panel{padding:18px}.quick-panel{display:flex;flex-direction:column;gap:10px}.quick-panel .panel-head{margin-bottom:4px}.quick-panel button{border:1px solid var(--line);background:#fafbfd;color:#344054;border-radius:11px;padding:12px;text-align:left;font-weight:700}.quick-panel button:hover{background:#f2f6ff;border-color:#c8d8fb}
.form-card{padding:16px;margin-bottom:18px}.form-grid{display:grid;gap:12px}.form-grid.cols-3{grid-template-columns:repeat(3,1fr)}.form-grid.cols-4{grid-template-columns:repeat(4,1fr)}.form-grid.cols-5{grid-template-columns:repeat(5,1fr)}.span-2{grid-column:span 2}.form-actions{display:flex;justify-content:flex-end;margin-top:12px}
.info-box{border:1px solid #cfe0ff;background:#f3f7ff;color:#33527d;border-radius:12px;padding:12px 14px;font-size:12px;margin:12px 0 18px;line-height:1.45}.searchbox{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 13px;display:flex;align-items:center;gap:8px;margin-bottom:14px;box-shadow:0 1px 2px rgba(16,24,40,.03)}.searchbox span{font-size:20px;color:#98a2b3}.searchbox input{border:0;box-shadow:none;padding:13px 0}
.table{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.row{display:grid;grid-template-columns:repeat(var(--cols,4),minmax(110px,1fr)) minmax(150px,auto);gap:12px;padding:12px 14px;border-bottom:1px solid #eef1f4;align-items:center;font-size:13px}.row:last-child{border-bottom:0}.row.head{font-size:11px;color:#667085;font-weight:800;background:#f8fafc;text-transform:uppercase;letter-spacing:.04em}.cell{min-width:0;overflow-wrap:anywhere}.table-actions{display:flex;gap:7px;justify-content:flex-end;flex-wrap:wrap}
.connect-btn{display:inline-flex;align-items:center;justify-content:center;background:#eaf8ef;color:#176b3a;border:1px solid #c5ecd2;text-decoration:none;border-radius:9px;padding:8px 11px;font-weight:800;white-space:nowrap}.connect-btn:hover{background:#dff5e7}.rid{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#475467;font-size:12px}
.tree-customer{background:#fff;border:1px solid var(--line);border-radius:16px;margin:12px 0;overflow:hidden;box-shadow:0 1px 2px rgba(16,24,40,.03)}.tree-title{font-weight:850;padding:15px 17px;background:#f8fafc;border-bottom:1px solid #edf1f4;display:flex;justify-content:space-between}.tree-location{padding:13px 16px}.tree-location+.tree-location{border-top:1px solid #edf1f4}.tree-location h4{margin:0 0 10px;font-size:13px}.device{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:11px 12px;border-radius:12px;background:#f8fafc;border:1px solid #edf1f4;margin:7px 0}.device-name{font-weight:800}.device-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:4px}.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 8px;font-size:10px;font-weight:800}.badge.online{background:#eaf8ef;color:#176b3a}.badge.recent{background:#fff5e7;color:#9a5b00}.badge.offline{background:#f2f4f7;color:#667085}.device-actions{display:flex;align-items:center;gap:7px}
.recent-list{display:grid;gap:8px;margin-top:14px}.recent-item{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:11px 12px;border:1px solid #edf1f4;border-radius:12px;background:#fafbfd}.recent-name{font-weight:800;font-size:13px}.recent-sub{font-size:11px;color:var(--muted);margin-top:3px}
.import-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}.import-card h3{margin:9px 0 6px}.import-card p{font-size:13px;color:#667085;line-height:1.5}.import-card code{display:block;overflow:auto;background:#101722;color:#dce7f5;border-radius:10px;padding:12px;font-size:12px}.import-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eef4ff;color:#245ac1;font-size:20px;font-weight:900}.file-input{margin:8px 0 12px;padding:9px}.import-result{margin-top:12px;font-size:12px;line-height:1.55}.import-result.success{color:#176b3a}.import-result.error{color:#b42318}
.toast{position:fixed;right:20px;bottom:20px;max-width:min(420px,calc(100vw - 40px));background:#172230;color:#fff;border-radius:12px;padding:12px 15px;box-shadow:var(--shadow);font-size:13px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s;z-index:100}.toast.show{opacity:1;transform:none}.toast.bad{background:#8f1d18}.mobile-only{display:none}.icon-btn{background:#eff3f8;color:#344054;width:40px;height:40px;padding:0;font-size:20px}.sidebar .icon-btn{margin-left:auto;background:#1f2b3a;color:#fff}.sidebar-backdrop{display:none}
@media(max-width:1180px){.stats-grid{grid-template-columns:repeat(3,1fr)}.form-grid.cols-5{grid-template-columns:repeat(3,1fr)}.form-grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.mobile-only{display:grid;place-items:center}.app-shell{display:block}.sidebar{position:fixed;left:0;top:0;width:min(290px,86vw);transform:translateX(-105%);transition:.2s;height:100vh;box-shadow:20px 0 60px #0005}.sidebar.open{transform:none}.sidebar-backdrop{position:fixed;inset:0;background:#0007;z-index:25}.sidebar.open+.sidebar-backdrop{display:block}.topbar{height:68px;padding:0 14px}.server-pill{display:none}main{padding:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.panel-grid,.import-grid{grid-template-columns:1fr}.form-grid.cols-3,.form-grid.cols-4,.form-grid.cols-5{grid-template-columns:1fr 1fr}.span-2{grid-column:span 2}.row.head{display:none}.row{display:block;padding:12px}.row .cell{display:grid;grid-template-columns:minmax(100px,38%) 1fr;gap:8px;padding:5px 0}.row .cell::before{content:attr(data-label);color:#667085;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.table-actions{justify-content:flex-start;margin-top:8px;padding-top:9px;border-top:1px dashed #e5e9ee}.device{grid-template-columns:1fr}.device-actions{justify-content:flex-start}.section-head h2{font-size:20px}}
@media(max-width:540px){.login-card{padding:25px 20px;border-radius:20px}.stats-grid{grid-template-columns:1fr 1fr;gap:9px}.stat-card{padding:14px}.stat-value{font-size:25px}.form-grid.cols-3,.form-grid.cols-4,.form-grid.cols-5{grid-template-columns:1fr}.span-2{grid-column:auto}.form-actions .primary{width:100%}.page-subtitle{display:none}.topbar{gap:9px}.page-title{font-size:16px}.tree-location{padding:12px}.device{padding:10px}.connect-btn,.danger{flex:1}.device-actions{width:100%}.recent-item{grid-template-columns:1fr}.recent-item .connect-btn{justify-self:start}.import-card{padding:15px}}