/* Mosaic — premium dark dashboard UI */
:root{
  --brand:#6366F1;
  --bg:#0A0D14; --bg2:#0E121C; --panel:#141A26; --panel2:#171E2C;
  --line:#222B3B; --line2:#2B3445;
  --ink:#EAEEF6; --muted:#8B96AC; --muted2:#5E6A82;
  --green:#34D399; --amber:#FBBF24; --rose:#FB7185; --teal:#2DD4BF; --violet:#A78BFA; --blue:#60A5FA;
  --radius:16px; --shadow:0 1px 0 rgba(255,255,255,.03) inset, 0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 600px at 80% -10%, #141b2c 0%, var(--bg) 55%) fixed;
  color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted)}

/* logo mark */
.logo{width:34px;height:34px;border-radius:9px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:3px;padding:6px;
  background:linear-gradient(135deg,#1b2233,#11151f);box-shadow:var(--shadow);flex:0 0 auto}
.logo i{display:block;border-radius:3px}
.logo i:nth-child(1){background:var(--brand)} .logo i:nth-child(2){background:var(--teal)}
.logo i:nth-child(3){background:var(--amber)} .logo i:nth-child(4){background:var(--violet)}
.brand-row{display:flex;align-items:center;gap:11px}
.brand-name{font-weight:800;letter-spacing:-.3px;font-size:18px}
.brand-sub{font-size:12px;color:var(--muted)}

/* buttons */
.btn{border:1px solid var(--line2);background:var(--panel2);color:var(--ink);font:600 13px/1 Inter,sans-serif;
  padding:9px 14px;border-radius:11px;cursor:pointer;transition:.15s;display:inline-flex;align-items:center;gap:7px}
.btn:hover{border-color:#3a445a;transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--brand),#8b5cf6);border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(99,102,241,.35)}
.btn.ghost{background:transparent}
.btn.block{width:100%;justify-content:center;padding:12px}
.btn.sm{padding:6px 10px;font-size:12px;border-radius:9px}
.btn.danger{color:#fff;background:linear-gradient(135deg,#e11d48,#9f1239);border-color:transparent}

/* ---------- auth ---------- */
body.auth{display:grid;place-items:center;min-height:100vh;padding:24px}
.auth-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--panel),var(--bg2));
  border:1px solid var(--line);border-radius:22px;padding:30px 28px;box-shadow:var(--shadow)}
.auth-card h1{font-size:21px;margin:18px 0 14px;letter-spacing:-.4px}
.auth-card form{display:flex;flex-direction:column;gap:13px}
.auth-card label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted);font-weight:600}
.auth-card input{background:#0c1119;border:1px solid var(--line2);border-radius:11px;color:var(--ink);padding:11px 12px;font-size:14px}
.auth-card input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.18)}
.auth-alt{margin-top:16px;font-size:13px;color:var(--muted);text-align:center}
.auth-alt a{color:var(--violet);font-weight:600}
.flash{padding:10px 12px;border-radius:10px;font-size:13px;margin-bottom:6px}
.flash.err{background:rgba(251,113,133,.12);border:1px solid rgba(251,113,133,.3);color:#fecdd3}

/* ---------- app shell ---------- */
body.app{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,var(--bg2),var(--bg));border-right:1px solid var(--line);
  padding:18px 16px;display:flex;flex-direction:column;gap:18px}
.side-brand{padding:4px 6px}
.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;color:var(--muted);font-weight:600;font-size:14px}
.nav a span{width:18px;text-align:center;opacity:.9}
.nav a:hover{background:var(--panel);color:var(--ink)}
.nav a.on{background:linear-gradient(135deg,rgba(99,102,241,.18),rgba(139,92,246,.10));color:var(--ink);border:1px solid rgba(99,102,241,.25)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.ws-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink);background:var(--panel);border:1px solid var(--line);padding:8px 11px;border-radius:11px;font-weight:600}
.ws-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(52,211,153,.18)}
.muted-link{font-size:12.5px;color:var(--muted2);padding-left:4px}
.muted-link:hover{color:var(--ink)}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:20;display:flex;gap:14px;align-items:center;justify-content:space-between;
  padding:14px 22px;background:rgba(10,13,20,.72);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.cmdwrap{flex:1;max-width:680px;display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line2);
  border-radius:13px;padding:7px 8px 7px 13px}
.cmdwrap:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.16)}
.cmd-ic{opacity:.9}
#cmdbar{flex:1;background:transparent;border:0;color:var(--ink);font-size:14px;outline:none}
.top-actions{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),#8b5cf6)}

#view{padding:22px 22px 60px}
.page-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:20px;letter-spacing:-.4px}
.page-head p{margin:4px 0 0;color:var(--muted);font-size:13px}

/* ---------- widget grid (custom, drag/resize) ---------- */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px;grid-auto-rows:64px}
.w{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:15px 16px;overflow:hidden;display:flex;flex-direction:column;min-height:0}
.w.drag-over{outline:2px dashed var(--brand);outline-offset:2px}
.w-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px;cursor:grab}
.w-title{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.w-src{font-size:10.5px;color:var(--muted2);text-transform:uppercase;letter-spacing:.5px;margin-top:2px}
.w-menu{position:relative}
.w-menu .dots{color:var(--muted);cursor:pointer;padding:2px 6px;border-radius:7px;font-size:16px;line-height:1}
.w-menu .dots:hover{background:var(--panel);color:var(--ink)}
.w-pop{position:absolute;right:0;top:24px;background:var(--panel2);border:1px solid var(--line2);border-radius:11px;
  padding:5px;min-width:150px;box-shadow:0 14px 34px rgba(0,0,0,.5);display:none;z-index:30}
.w-pop.show{display:block}
.w-pop button{display:block;width:100%;text-align:left;background:transparent;border:0;color:var(--ink);font:600 13px Inter;padding:8px 10px;border-radius:8px;cursor:pointer}
.w-pop button:hover{background:var(--panel)}
.w-pop button.del{color:var(--rose)}
.w-body{flex:1;min-height:0;position:relative}

/* kpi */
.kpi-val{font-size:32px;font-weight:800;letter-spacing:-1px;line-height:1.05;margin-top:6px}
.kpi-sub{font-size:12px;color:var(--muted);margin-top:6px}
.kpi-spark{position:absolute;left:0;right:0;bottom:0;height:42px;opacity:.6}

/* chart canvas fills body */
.w-body canvas{position:absolute;inset:0}

/* table */
.wt{width:100%;border-collapse:collapse;font-size:12.5px}
.wt th,.wt td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.wt th{color:var(--muted);font-size:10.5px;text-transform:uppercase;letter-spacing:.4px}
.wt td.n,.wt th.n{text-align:right;font-variant-numeric:tabular-nums}
.w-scroll{overflow:auto;position:absolute;inset:0}

.w-err{color:var(--rose);font-size:12.5px;margin-top:8px}
.resize-h{position:absolute;right:4px;bottom:4px;width:16px;height:16px;cursor:nwse-resize;opacity:.4;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);border-radius:0 0 3px 0}
.w:hover .resize-h{opacity:.8}

/* empty state */
.empty{border:1.5px dashed var(--line2);border-radius:var(--radius);padding:46px 20px;text-align:center;color:var(--muted)}
.empty h3{color:var(--ink);margin:0 0 6px;font-size:17px}
.empty .btn{margin-top:14px}

/* ---------- connections ---------- */
.conn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.conn-card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px}
.conn-card .ic{font-size:22px}
.conn-card .nm{font-weight:700}
.conn-card .hl{font-size:12px;color:var(--muted);min-height:32px}
.badge{font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:999px;display:inline-block}
.badge.ok{background:rgba(52,211,153,.14);color:#86efac} .badge.new{background:rgba(139,150,172,.16);color:var(--muted)}
.badge.error{background:rgba(251,113,133,.14);color:#fecdd3}
.conn-card .row{display:flex;gap:8px;margin-top:auto}

/* ---------- modal (custom premium, never native) ---------- */
.ov{position:fixed;inset:0;background:rgba(5,7,12,.66);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:100;padding:20px}
.modal{width:100%;max-width:520px;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line2);
  border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.6);overflow:hidden;animation:pop .16s ease}
@keyframes pop{from{transform:translateY(8px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:17px 20px;border-bottom:1px solid var(--line)}
.modal-h h3{margin:0;font-size:16px}
.modal-h .x{color:var(--muted);cursor:pointer;font-size:20px;line-height:1}
.modal-b{padding:18px 20px;max-height:70vh;overflow:auto}
.modal-f{display:flex;gap:10px;justify-content:flex-end;padding:15px 20px;border-top:1px solid var(--line)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:13px}
.field label{font-size:12px;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{background:#0c1119;border:1px solid var(--line2);border-radius:10px;color:var(--ink);padding:10px 11px;font-size:13.5px;font-family:inherit}
.field textarea{min-height:74px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.16)}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1;min-width:74px;background:#0c1119;border:1px solid var(--line2);color:var(--muted);border-radius:10px;padding:9px;font:600 12.5px Inter;cursor:pointer}
.seg button.on{border-color:var(--brand);color:var(--ink);background:rgba(99,102,241,.12)}
.hint{font-size:12px;color:var(--muted2);margin-top:-4px;margin-bottom:10px}
.sample{background:#0c1119;border:1px solid var(--line);border-radius:10px;padding:10px;font:12px/1.5 ui-monospace,Menlo,monospace;color:var(--muted);max-height:130px;overflow:auto;white-space:pre-wrap}

/* toast */
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--panel2);border:1px solid var(--line2);color:var(--ink);padding:11px 16px;border-radius:12px;font-size:13px;font-weight:600;box-shadow:0 12px 30px rgba(0,0,0,.5);animation:pop .15s ease}
.toast.ok{border-color:rgba(52,211,153,.4)} .toast.err{border-color:rgba(251,113,133,.4)}

.skel{background:linear-gradient(90deg,#141a26,#1b2333,#141a26);background-size:200% 100%;animation:sh 1.2s infinite;border-radius:8px}
@keyframes sh{to{background-position:-200% 0}}

@media (max-width:840px){
  body.app{grid-template-columns:1fr}
  .side{position:fixed;left:-260px;transition:.2s;z-index:50}
  .grid{grid-template-columns:repeat(6,1fr)}
}