/* DEVSAIO design system — black/charcoal, indigo + cyan. No build step. */
:root{
  --bg:#07080c; --surface:#0d0f15; --card:#12151d; --card-hover:#171b26; --raised:#1a1f2c;
  --border:#1f2432; --border-2:#2b3247; --text:#e8edf5; --muted:#8a93a8; --faint:#5b647a;
  --primary:#6366f1; --primary-2:#818cf8; --accent:#06b6d4; --ok:#10b981; --warn:#f59e0b; --bad:#ef4444;
  --radius:14px; --radius-sm:9px; --shadow:0 18px 40px -18px rgba(0,0,0,.7);
  --mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
  --sidebar:248px;
}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 var(--sans);-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 420px at 85% -10%,rgba(99,102,241,.13),transparent 60%),radial-gradient(700px 380px at -5% 110%,rgba(6,182,212,.08),transparent 60%);background-attachment:fixed}
a{color:var(--primary-2);text-decoration:none} a:hover{color:#a5b4fc}
h1,h2,h3{margin:0;letter-spacing:-.02em;font-weight:650} h1{font-size:24px} h2{font-size:17px} h3{font-size:14px}
p{margin:0 0 .8em}
code,.mono{font-family:var(--mono);font-size:.92em}
::selection{background:rgba(99,102,241,.4)}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:2px;border-radius:6px}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,rgba(13,15,21,.96),rgba(9,10,15,.98));border-right:1px solid var(--border);padding:18px 14px;display:flex;flex-direction:column;gap:6px;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 16px;font-weight:700;letter-spacing:.02em}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;box-shadow:0 0 24px -4px rgba(99,102,241,.7);font-size:15px;color:#fff}
.brand small{display:block;font-size:10px;letter-spacing:.18em;color:var(--faint);font-weight:600;margin-top:-2px}
.nav-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.14em;color:var(--faint);padding:14px 12px 6px;font-weight:600}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--muted);font-weight:500;transition:.15s}
.nav a svg{width:17px;height:17px;flex:none;opacity:.85}
.nav a:hover{background:var(--card);color:var(--text)}
.nav a.active{background:linear-gradient(90deg,rgba(99,102,241,.2),rgba(99,102,241,.06));color:#fff;box-shadow:inset 2px 0 0 var(--primary)}
.nav .count{margin-left:auto;font-size:11px;background:var(--raised);padding:1px 7px;border-radius:99px;color:var(--muted)}
.sidebar-foot{margin-top:auto;border-top:1px solid var(--border);padding-top:12px}
.userchip{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#312e81,#0e7490);display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff;flex:none}
.userchip .n{font-weight:600;line-height:1.2} .userchip .r{font-size:11.5px;color:var(--faint)}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:14px 28px;background:rgba(7,8,12,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.topbar .grow{flex:1}
.burger{display:none}
.content{padding:26px 28px 60px;max-width:1500px;width:100%}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head p{color:var(--muted);margin:4px 0 0}
.crumbs{font-size:12px;color:var(--faint);margin-bottom:6px}

/* ---------- cards / grid ---------- */
.card{background:linear-gradient(180deg,var(--card),#10131a);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.card-h .sub{color:var(--faint);font-size:12px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-main{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.stat{position:relative;overflow:hidden}
.stat .k{color:var(--muted);font-size:12px;font-weight:500;display:flex;align-items:center;gap:7px}
.stat .v{font-size:26px;font-weight:700;letter-spacing:-.03em;margin-top:6px;font-variant-numeric:tabular-nums}
.stat .d{font-size:12px;color:var(--faint);margin-top:2px}
.stat::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.18),transparent 70%)}
.stat.cyan::after{background:radial-gradient(circle,rgba(6,182,212,.18),transparent 70%)}
.stat.green::after{background:radial-gradient(circle,rgba(16,185,129,.18),transparent 70%)}
.stat.amber::after{background:radial-gradient(circle,rgba(245,158,11,.18),transparent 70%)}

/* ---------- buttons / forms ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border-2);background:var(--raised);color:var(--text);padding:8px 14px;border-radius:10px;font:inherit;font-weight:550;cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{background:#222839;border-color:#3a4260}
.btn svg{width:15px;height:15px}
.btn.primary{background:linear-gradient(135deg,var(--primary),#4f46e5);border-color:transparent;box-shadow:0 8px 22px -10px rgba(99,102,241,.9)}
.btn.primary:hover{filter:brightness(1.1)}
.btn.danger{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.4);color:#fca5a5} .btn.danger:hover{background:rgba(239,68,68,.22)}
.btn.ghost{background:transparent} .btn.sm{padding:5px 10px;font-size:12.5px;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-size:12.5px;font-weight:550;color:var(--muted);margin:0 0 6px}
input,select,textarea{width:100%;background:#0a0c12;border:1px solid var(--border-2);color:var(--text);padding:9px 12px;border-radius:10px;font:inherit;transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.2)}
input[type=checkbox]{width:auto}
textarea{min-height:90px;resize:vertical}
.field{margin-bottom:14px} .hint{font-size:12px;color:var(--faint);margin-top:5px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap} .row.sb{justify-content:space-between} .row > .grow{flex:1;min-width:160px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.toolbar input,.toolbar select{width:auto;min-width:150px}
.search{position:relative;flex:1;min-width:220px} .search input{padding-left:36px;width:100%} .search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--faint)}

/* ---------- tables ---------- */
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--card)}
table{width:100%;border-collapse:collapse;min-width:640px}
th{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--faint);text-align:left;font-weight:600;padding:11px 14px;background:rgba(255,255,255,.015);border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr{transition:background .12s} tbody tr:hover{background:rgba(255,255,255,.025)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.mono{font-family:var(--mono);font-size:12.5px}
.cell-title{font-weight:600} .cell-sub{font-size:12px;color:var(--faint)}
.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;color:var(--muted);font-size:12.5px;flex-wrap:wrap}
.pager .links{display:flex;gap:6px} .pager a,.pager span.cur{padding:5px 11px;border-radius:8px;border:1px solid var(--border-2);color:var(--text);background:var(--card)}
.pager span.cur{background:var(--primary);border-color:transparent} .pager a:hover{background:var(--raised)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:600;border:1px solid transparent;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.b-ok{color:#34d399;background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.25)}
.b-warn{color:#fbbf24;background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.25)}
.b-bad{color:#f87171;background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.25)}
.b-info{color:#93c5fd;background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.25)}
.b-mute{color:var(--muted);background:rgba(255,255,255,.04);border-color:var(--border-2)}
.chip{display:inline-block;padding:1px 8px;border-radius:7px;background:var(--raised);border:1px solid var(--border-2);font-size:11.5px;color:var(--muted);margin:0 4px 4px 0}
.cat-text{color:#a5b4fc} .cat-image{color:#f0abfc} .cat-video{color:#fda4af} .cat-audio{color:#fcd34d} .cat-embedding{color:#6ee7b7} .cat-other{color:var(--muted)}

/* ---------- alerts / toasts / modal ---------- */
.alert{padding:12px 14px;border-radius:12px;border:1px solid;margin-bottom:16px;display:flex;gap:10px;align-items:flex-start}
.alert.ok{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.3);color:#a7f3d0}
.alert.warning{background:rgba(245,158,11,.08);border-color:rgba(245,158,11,.3);color:#fde68a}
.alert.danger{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.3);color:#fecaca}
.alert.info{background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.3);color:#c7d2fe}
#toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:100}
.toast{background:var(--raised);border:1px solid var(--border-2);padding:11px 15px;border-radius:12px;box-shadow:var(--shadow);min-width:240px;animation:in .25s ease}
.toast.ok{border-left:3px solid var(--ok)} .toast.danger{border-left:3px solid var(--bad)} .toast.warning{border-left:3px solid var(--warn)} .toast.info{border-left:3px solid var(--primary)}
@keyframes in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
dialog{background:var(--card);color:var(--text);border:1px solid var(--border-2);border-radius:16px;padding:22px;max-width:440px;width:92vw;box-shadow:0 30px 80px -20px #000}
dialog::backdrop{background:rgba(2,3,6,.7);backdrop-filter:blur(4px)}
dialog h3{font-size:16px;margin-bottom:6px} dialog .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}

/* ---------- misc ---------- */
.empty{text-align:center;padding:46px 20px;color:var(--muted)} .empty svg{width:38px;height:38px;color:var(--faint);margin-bottom:10px} .empty h3{color:var(--text);margin-bottom:4px}
.skeleton{background:linear-gradient(90deg,var(--card) 25%,var(--raised) 50%,var(--card) 75%);background-size:200% 100%;animation:sh 1.3s infinite;border-radius:8px;height:14px}
@keyframes sh{to{background-position:-200% 0}}
.codeblock{position:relative;background:#080a0f;border:1px solid var(--border);border-radius:12px;padding:16px;overflow:auto;font-family:var(--mono);font-size:12.5px;line-height:1.65;color:#cbd5e1;white-space:pre}
.codeblock .copy{position:absolute;right:10px;top:10px}
.kbd{font-family:var(--mono);background:var(--raised);border:1px solid var(--border-2);border-radius:6px;padding:1px 6px;font-size:12px}
.progress{height:7px;background:var(--raised);border-radius:99px;overflow:hidden} .progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px;transition:width .4s}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px;overflow:auto}
.tabs a{padding:9px 14px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;font-weight:550} .tabs a.active{color:#fff;border-color:var(--primary)}
.kv{display:grid;grid-template-columns:160px 1fr;gap:9px 14px;font-size:13.5px} .kv dt{color:var(--faint)} .kv dd{margin:0;word-break:break-word}
.price-big{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.deposit{background:linear-gradient(135deg,rgba(99,102,241,.16),rgba(6,182,212,.1));border:1px solid rgba(99,102,241,.35)}
.contact{display:flex;align-items:center;gap:12px;background:#0a0c12;border:1px solid var(--border-2);border-radius:12px;padding:12px 14px}
.contact .ic{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--raised);flex:none}
.contact .ic svg{width:19px;height:19px} .contact .lbl{font-size:11.5px;color:var(--faint)} .contact .val{font-weight:650;font-family:var(--mono);font-size:15px}
.chart{width:100%;height:220px} .chart svg{width:100%;height:100%;overflow:visible}
.chart text{fill:var(--faint);font-size:10.5px}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted)} .legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px}
.hbar{display:grid;grid-template-columns:150px 1fr 90px;gap:10px;align-items:center;margin:9px 0;font-size:12.5px}
.hbar .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hbar .bar{height:8px;background:var(--raised);border-radius:99px;overflow:hidden} .hbar .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent))}
.hbar .n{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)} .faint{color:var(--faint)} .ok{color:#34d399} .bad{color:#f87171} .warn{color:#fbbf24}
.right{text-align:right} .nowrap{white-space:nowrap} .mt{margin-top:16px} .mb{margin-bottom:16px}

/* ---------- auth / public ---------- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:430px}
.auth-card .brand{justify-content:center;padding-bottom:22px;font-size:19px}
.hero{max-width:1100px;margin:0 auto;padding:90px 24px 40px;text-align:center}
.hero h1{font-size:clamp(34px,6vw,60px);line-height:1.05;letter-spacing:-.04em;background:linear-gradient(180deg,#fff,#9aa4bd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--muted);max-width:640px;margin:18px auto 28px}
.pubnav{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:18px 24px}

/* ---------- responsive ---------- */
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g-main{grid-template-columns:1fr}}
@media(max-width:860px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:270px;transform:translateX(-102%);transition:.22s;z-index:50;box-shadow:var(--shadow)}
  body.nav-open .sidebar{transform:none} body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:40}
  .burger{display:inline-flex}
  .content{padding:18px 16px 60px} .topbar{padding:12px 16px}
  .g2,.g3,.g4{grid-template-columns:1fr} .kv{grid-template-columns:1fr;gap:2px} .kv dd{margin-bottom:10px}
  .hbar{grid-template-columns:100px 1fr 70px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:640px){.pubnav{padding:14px 16px;gap:10px}.pubnav .row{gap:6px}.pubnav .btn{padding:7px 10px;font-size:13px}.pubnav .btn.ghost[href="/docs"],.pubnav .btn.ghost[href="/login"]{display:none}}
input[type=checkbox],input[type=radio]{width:auto;flex:0 0 auto;accent-color:var(--primary)}label.row{display:flex;align-items:center}