:root{
  --bg:#0b0e13; --bg2:#11151d; --bg3:#171d28; --line:#232b38;
  --fg:#d7dee9; --dim:#7d8a9e; --acc:#4ade80; --acc2:#22d3ee;
  --red:#f87171; --org:#fbbf24;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font-family:'Segoe UI',system-ui,-apple-system,sans-serif;font-size:13px;-webkit-font-smoothing:antialiased}

/* login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(circle at 50% -20%,#12233a 0%,#0b0e13 60%)}
.login-box{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:36px 32px;width:340px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.login-logo{font-size:34px;color:var(--acc);margin-bottom:6px}
.login-box h1{font-size:20px;letter-spacing:3px;font-weight:700}
.login-box .sub{color:var(--dim);font-size:11px;letter-spacing:1px;margin-bottom:22px}
.login-box input{width:100%;padding:11px 13px;margin-bottom:11px;background:var(--bg3);border:1px solid var(--line);border-radius:8px;color:var(--fg);font-size:13px;outline:none}
.login-box input:focus{border-color:var(--acc)}
.login-box button{width:100%;padding:11px;background:var(--acc);color:#06120a;border:none;border-radius:8px;font-weight:700;font-size:13px;cursor:pointer;letter-spacing:1px}
.login-box button:hover{filter:brightness(1.1)}
.login-box .hint{margin-top:14px;color:var(--dim);font-size:10px}
.err{background:rgba(248,113,113,.12);color:var(--red);border:1px solid rgba(248,113,113,.3);padding:8px;border-radius:7px;font-size:11px;margin-bottom:12px}

/* layout */
body{display:flex;min-height:100vh}
.sidebar{width:186px;background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:14px 10px;position:fixed;top:0;bottom:0;left:0}
.brand{font-size:15px;font-weight:800;letter-spacing:1px;padding:8px 10px 18px;color:var(--fg)}
.brand span{color:var(--acc);margin-left:4px;font-size:10px;letter-spacing:2px}
.nav{display:block;width:100%;text-align:left;background:none;border:none;color:var(--dim);padding:10px 12px;border-radius:8px;font-size:12.5px;cursor:pointer;margin-bottom:2px;font-family:inherit;text-decoration:none}
.nav:hover{background:var(--bg3);color:var(--fg)}
.nav.active{background:linear-gradient(90deg,rgba(74,222,128,.15),transparent);color:var(--acc);font-weight:600;border-left:2px solid var(--acc)}
.spacer{flex:1}
.logout{color:var(--red)!important;font-size:11.5px}

main{margin-left:186px;padding:22px 26px;flex:1;min-width:0}
.tab{display:none}
.tab.active{display:block;animation:fade .18s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
h2{font-size:16px;margin-bottom:18px;font-weight:700;letter-spacing:.5px}
h2 .tag{font-size:10px;background:var(--bg3);color:var(--acc);padding:2px 8px;border-radius:5px;vertical-align:middle;margin-left:8px;font-weight:500}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:11px;padding:14px 15px}
.card .lbl{color:var(--dim);font-size:10.5px;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}
.card .big{font-size:24px;font-weight:700;color:var(--fg)}
.card .sub2{color:var(--dim);font-size:10.5px;margin-top:2px}
.bar{height:5px;background:var(--bg3);border-radius:3px;margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--acc);border-radius:3px;transition:width .4s}
.bar i.warn{background:var(--org)}
.bar i.crit{background:var(--red)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:11px;padding:15px}
.panel h3{font-size:11.5px;color:var(--dim);text-transform:uppercase;letter-spacing:1px;margin-bottom:10px;font-weight:600}
pre{font-family:'JetBrains Mono',monospace;font-size:11.5px;line-height:1.6;color:var(--fg);white-space:pre-wrap;word-break:break-word}
.netrow{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line);font-size:12px}
.netrow:last-child{border:none}
.netrow span{color:var(--dim)}
.netrow b{color:var(--acc2);font-family:monospace}

/* terminal */
.term-bar{display:flex;align-items:center;gap:6px;margin-bottom:8px}
.term-tabs{display:flex;gap:4px;overflow-x:auto;flex:1;padding-bottom:2px}
.term-tabs::-webkit-scrollbar{height:4px}
.term-tabs::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}
.ttab{display:flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--line);border-radius:7px 7px 0 0;padding:6px 8px 6px 10px;cursor:pointer;white-space:nowrap;font-size:11.5px;color:var(--dim);font-family:'JetBrains Mono',monospace;flex:0 0 auto;max-width:220px}
.ttab:hover{color:var(--fg);border-color:#2e394a}
.ttab.active{background:#05070a;color:var(--fg);border-color:var(--acc);border-bottom-color:#05070a}
.ttab .dot{width:6px;height:6px;border-radius:50%;background:var(--acc);flex:0 0 auto;box-shadow:0 0 6px rgba(74,222,128,.6)}
.ttab .dot.dead{background:var(--red);box-shadow:none}
.ttab .lbl{overflow:hidden;text-overflow:ellipsis}
.ttab .x{background:none;border:none;color:var(--dim);font-size:12px;line-height:1;padding:0 2px;cursor:pointer;border-radius:3px}
.ttab .x:hover{color:var(--red);background:rgba(248,113,113,.12)}
.ttab .rn{background:none;border:none;color:var(--dim);font-size:10px;padding:0 1px;cursor:pointer;opacity:0}
.ttab:hover .rn{opacity:1}
.ttab .rn:hover{color:var(--acc)}
.term-plus{background:var(--bg3);border:1px solid var(--line);color:var(--acc);width:28px;height:26px;border-radius:6px;font-size:16px;line-height:1;cursor:pointer;flex:0 0 auto}
.term-plus:hover{background:var(--line);border-color:var(--acc)}
.term-plus:disabled{opacity:.35;cursor:not-allowed}
#xterm{height:calc(100vh - 186px);background:#05070a;border:1px solid var(--line);border-radius:0 10px 10px 10px;padding:10px}
.term-dead{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(5,7,10,.82);backdrop-filter:blur(2px);border-radius:10px;z-index:5}
.term-dead>div{text-align:center;background:var(--bg2);border:1px solid var(--line);padding:26px 34px;border-radius:12px;box-shadow:0 16px 50px rgba(0,0,0,.7)}
.term-dead p{color:var(--dim);margin-bottom:14px;font-size:12.5px}
.term-dead button{background:var(--bg3);border:1px solid var(--line);color:var(--fg);padding:8px 16px;border-radius:7px;cursor:pointer;font-size:12px;margin:0 4px;font-family:inherit}
.term-dead button:hover{border-color:var(--acc);color:var(--acc)}
#tab-term{position:relative}

/* file manager */
.fm-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.crumbs{font-family:monospace;font-size:12px;color:var(--dim)}
.crumbs a{color:var(--acc2);text-decoration:none;cursor:pointer}
.crumbs a:hover{text-decoration:underline}
.fm-actions button,.mb button,.editor button,.panel button,.svc-item button{background:var(--bg3);border:1px solid var(--line);color:var(--fg);padding:7px 12px;border-radius:7px;font-size:11.5px;cursor:pointer;font-family:inherit}
.fm-actions button:hover,.mb button:hover,.panel button:hover{background:var(--line);border-color:var(--acc)}
table.fm{width:100%;border-collapse:collapse;font-size:12px}
table.fm th{text-align:left;color:var(--dim);font-size:10.5px;text-transform:uppercase;letter-spacing:.8px;padding:8px 10px;border-bottom:1px solid var(--line);font-weight:600}
table.fm td{padding:8px 10px;border-bottom:1px solid rgba(35,43,56,.5)}
table.fm tr:hover{background:var(--bg2)}
table.fm td .nm{cursor:pointer;color:var(--fg)}
table.fm td .nm:hover{color:var(--acc)}
table.fm td .nm.dir{color:var(--acc2);font-weight:600}
.row-act button{background:none;border:none;color:var(--dim);cursor:pointer;font-size:12px;padding:2px 5px}
.row-act button:hover{color:var(--acc)}

.editor{display:none;position:fixed;inset:40px 40px 40px 226px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;flex-direction:column;z-index:50;box-shadow:0 20px 60px rgba(0,0,0,.7)}
.editor.open{display:flex}
.ed-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);font-family:monospace;font-size:12px;color:var(--acc2)}
.ed-head button{margin-left:8px;padding:5px 12px;font-size:11px}
#ed-text{flex:1;background:#05070a;color:var(--fg);border:none;padding:14px;font-family:'JetBrains Mono',monospace;font-size:12.5px;line-height:1.6;resize:none;outline:none;border-radius:0 0 12px 12px}

/* services */
.svc-list{display:flex;flex-direction:column;gap:7px}
.svc-item{display:flex;justify-content:space-between;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:10px 14px}
.svc-item .u{font-family:monospace;font-size:12px;color:var(--fg)}
.svc-item .d{color:var(--dim);font-size:10.5px;margin-top:2px}
.svc-item .st{font-size:10px;padding:2px 8px;border-radius:5px;margin-left:8px}
.st.active{background:rgba(74,222,128,.15);color:var(--acc)}
.st.inactive{background:rgba(125,138,158,.15);color:var(--dim)}
.st.failed{background:rgba(248,113,113,.15);color:var(--red)}
.svc-item .acts button{margin-left:5px;padding:5px 9px;font-size:10.5px}

.mb{margin-bottom:12px;display:flex;align-items:center;gap:10px}
.inp{width:100%;padding:9px 12px;margin-bottom:9px;background:var(--bg3);border:1px solid var(--line);border-radius:7px;color:var(--fg);font-size:12.5px;outline:none}
.inp:focus{border-color:var(--acc)}
.msg{margin-top:10px;font-size:11.5px}
.msg.ok{color:var(--acc)}
.msg.err{color:var(--red)}
label{color:var(--dim);font-size:11.5px}

@media(max-width:820px){
  .sidebar{width:56px;padding:10px 6px}
  .brand{font-size:0;padding:8px 0 16px}
  .brand::before{content:"▣";font-size:20px;color:var(--acc)}
  .nav{font-size:0;padding:12px;text-align:center}
  .nav::first-letter{font-size:15px}
  .logout{font-size:0}
  main{margin-left:56px;padding:14px}
  .grid2{grid-template-columns:1fr}
  .editor{inset:20px 10px 20px 66px}
}