/* CSKU AI — dark premium theme */
:root{
  --bg:#0b0e14; --bg2:#11151f; --panel:#151a26; --panel2:#1a2030;
  --border:#232b3d; --text:#e6ebf5; --muted:#8b95ab;
  --accent:#6d5efc; --accent2:#22d3a5; --warn:#f5a524; --danger:#f04a5f;
  --ok:#22d3a5; --shadow:0 10px 30px rgba(0,0,0,.45);
  --radius:14px; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{background:radial-gradient(1200px 800px at 80% -10%,#161d33 0%,var(--bg) 55%) fixed;
  color:var(--text);font:14.5px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  display:flex;min-height:100vh}
a{color:var(--accent2);text-decoration:none}
.muted{color:var(--muted)}
code,kbd{font-family:var(--mono);font-size:.92em;background:var(--panel2);padding:1px 6px;border-radius:6px}

/* sidebar */
.sidebar{width:250px;flex:0 0 250px;background:linear-gradient(180deg,var(--bg2),#0d1119);
  border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:12px;align-items:center;padding:18px 16px;border-bottom:1px solid var(--border)}
.logo{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(135deg,var(--accent),#9b6dff);color:#fff;box-shadow:var(--shadow)}
.brand h1{font-size:16px;margin:0;letter-spacing:.4px}
.brand p{margin:0;font-size:11.5px;color:var(--muted)}
nav{padding:10px 8px;overflow:auto;flex:1}
nav button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:8px;
  background:transparent;border:0;color:var(--text);padding:9px 12px;border-radius:10px;
  cursor:pointer;font-size:13.5px;text-align:left}
nav button:hover{background:var(--panel)}
nav button.active{background:linear-gradient(90deg,rgba(109,94,252,.22),transparent);
  box-shadow:inset 2px 0 0 var(--accent)}
nav .badge{font-size:11px;background:var(--panel2);color:var(--muted);padding:1px 7px;border-radius:999px}
.foot{padding:12px;border-top:1px solid var(--border)}

/* content */
.content{flex:1;min-width:0;padding:0 26px 40px}
.topbar{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;
  padding:22px 0 14px;border-bottom:1px solid var(--border);margin-bottom:18px;flex-wrap:wrap}
.topbar h2{margin:0;font-size:22px}
.topActions{display:flex;gap:10px;align-items:center}
.pill{font-size:12px;color:var(--muted);border:1px solid var(--border);padding:4px 10px;border-radius:999px}

/* buttons */
button{font:inherit}
.btn,.ghost{border-radius:10px;padding:8px 14px;cursor:pointer;border:1px solid var(--border);
  background:var(--panel);color:var(--text)}
.btn{background:linear-gradient(135deg,var(--accent),#8b6dff);border-color:transparent;font-weight:600}
.btn:hover,.ghost:hover{filter:brightness(1.12)}
.ghost{width:100%}
.danger{background:linear-gradient(135deg,var(--danger),#ff7a63);border-color:transparent;color:#fff;font-weight:600}
.small{padding:4px 10px;font-size:12.5px}

/* cards & grids */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--border);
  border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card h3{margin:0 0 10px;font-size:14.5px;letter-spacing:.2px}
.kpi{display:flex;flex-direction:column;gap:4px}
.kpi b{font-size:26px;line-height:1.1}
.kpi span{font-size:12px;color:var(--muted)}
.kpi.good b{color:var(--ok)} .kpi.bad b{color:var(--danger)} .kpi.warn b{color:var(--warn)}

/* tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--border);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tbody tr:hover{background:rgba(109,94,252,.06)}
.tablewrap{overflow:auto;max-height:460px;border:1px solid var(--border);border-radius:12px}

/* status chips */
.chip{display:inline-block;font-size:11.5px;padding:2px 9px;border-radius:999px;
  border:1px solid var(--border);background:var(--panel2);color:var(--muted);white-space:nowrap}
.chip.ok{color:#0b2018;background:var(--ok);border-color:transparent;font-weight:600}
.chip.bad{color:#fff;background:var(--danger);border-color:transparent;font-weight:600}
.chip.warn{color:#211a05;background:var(--warn);border-color:transparent;font-weight:600}
.chip.info{color:#fff;background:var(--accent);border-color:transparent;font-weight:600}

/* forms */
label{display:block;margin:10px 0 0;font-size:12.5px;color:var(--muted)}
input,select,textarea{width:100%;margin-top:5px;background:var(--bg2);color:var(--text);
  border:1px solid var(--border);border-radius:10px;padding:9px 11px;font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(109,94,252,.4);border-color:var(--accent)}
textarea{min-height:90px;font-family:var(--mono);font-size:12.5px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row>*{flex:1;min-width:160px}
.hr{height:1px;background:var(--border);margin:14px 0;border:0}

/* log lines */
.logs{font-family:var(--mono);font-size:12.5px;max-height:380px;overflow:auto}
.logs div{padding:4px 8px;border-bottom:1px dashed rgba(139,149,171,.18);white-space:pre-wrap;word-break:break-word}
.lv-ERROR{color:#ff9aa7}.lv-WARN{color:#ffd08a}.lv-INFO{color:#c6cede}

/* toast */
.toast{position:fixed;right:18px;bottom:18px;max-width:420px;background:var(--panel2);
  border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:12px;
  padding:12px 14px;box-shadow:var(--shadow);opacity:0;transform:translateY(8px);
  transition:.22s;pointer-events:none;z-index:50}
.toast.show{opacity:1;transform:none}
.toast.err{border-left-color:var(--danger)}

/* login */
.login-body{display:grid;place-items:center;background:radial-gradient(900px 600px at 50% -10%,#1a2140 0%,var(--bg) 60%) fixed}
.login-card{width:min(420px,92vw);background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.login-card .brand{border:0;padding:0 0 16px}
.login-card button{width:100%;margin-top:16px}
.hint{font-size:11.5px;color:var(--muted);margin-top:14px}

@media (max-width:860px){
  body{flex-direction:column}
  .sidebar{width:100%;flex:none;position:static;height:auto}
  nav{max-height:200px}
  .content{padding:0 14px 30px}
}