:root{
  --bg:#05060a; --bg-2:#080a12; --panel:rgba(255,255,255,.035);
  --c-cyan:#22d3ee; --c-violet:#8b5cf6; --c-magenta:#ec4899;
  --text:#eaf0ff; --dim:#9aa6c7; --faint:#5b6585;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.18);
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --r:16px; --r-sm:11px;
  --sans:-apple-system,"SF Pro Display",system-ui,"Segoe UI",Roboto,sans-serif;
  --mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.5;
  background-image:radial-gradient(120% 80% at 80% -10%,rgba(139,92,246,.14),transparent 55%),
    radial-gradient(90% 60% at 0% 0%,rgba(34,211,238,.10),transparent 50%);
  min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--c-cyan);text-decoration:none}
.neon{background:linear-gradient(110deg,var(--c-cyan),var(--c-violet) 55%,var(--c-magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.glass{background:var(--panel);backdrop-filter:blur(14px) saturate(150%);border:1px solid var(--line);border-radius:var(--r)}
button,input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:7px;justify-content:center;border-radius:980px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);padding:9px 16px;cursor:pointer;font-weight:600;transition:.15s;white-space:nowrap}
.btn:hover{border-color:var(--c-cyan)}
.btn:active{transform:scale(.97)}
.btn-primary{color:#04060c;border:0;background:linear-gradient(110deg,var(--c-cyan),var(--c-violet) 60%,var(--c-magenta))}
.btn-ok{border-color:rgba(52,211,153,.5);color:var(--ok)}
.btn-bad{border-color:rgba(248,113,113,.5);color:var(--bad)}
.btn-sm{padding:6px 12px;font-size:13px}
input,select,textarea{background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:10px 13px;width:100%;outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--c-cyan);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
label{display:block;font-size:12px;color:var(--dim);margin:0 0 6px}
textarea{resize:vertical;font-family:var(--mono);font-size:13px}

/* ── login ── */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:100%;max-width:380px;padding:34px}
.login-card h1{margin:0 0 4px;font-size:26px;letter-spacing:-.02em}
.login-card p{margin:0 0 26px;color:var(--dim);font-size:14px}
.login-card .field{margin-bottom:16px}
.login-card .btn-primary{width:100%;padding:12px}
.err{color:var(--bad);font-size:13px;min-height:18px;margin-top:10px}

/* ── shell ── */
.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.side{border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:.02em;padding:6px 10px 20px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 12px var(--c-cyan)}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);color:var(--dim);cursor:pointer;font-weight:600;font-size:14px;transition:.12s}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--text)}
.nav-item.active{background:rgba(34,211,238,.10);color:var(--text);box-shadow:inset 0 0 0 1px rgba(34,211,238,.3)}
.nav-item .badge{margin-left:auto;background:var(--c-magenta);color:#fff;font-size:11px;font-weight:700;border-radius:980px;padding:1px 7px}
.side .spacer{flex:1}
.side .who{font-size:12px;color:var(--faint);padding:8px 12px}
.main{padding:26px 30px;overflow:auto;max-height:100vh}
.head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:16px;flex-wrap:wrap}
.head h2{margin:0;font-size:22px;letter-spacing:-.02em}

/* ── stat cards ── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stat{padding:18px 20px}
.stat .k{font-size:12px;color:var(--dim);letter-spacing:.03em;text-transform:uppercase}
.stat .v{font-size:26px;font-weight:750;margin-top:6px;letter-spacing:-.02em}
.stat .v.mono{font-family:var(--mono)}

/* ── table ── */
.card{padding:0;overflow:hidden;margin-bottom:20px}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;color:var(--faint);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;padding:14px 16px;border-bottom:1px solid var(--line)}
td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tr:hover td{background:rgba(255,255,255,.02)}
.mono{font-family:var(--mono)}
.dim{color:var(--dim)}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:980px;text-transform:uppercase;letter-spacing:.03em}
.pill.new,.pill.awaiting_payment{background:rgba(154,166,199,.15);color:var(--dim)}
.pill.awaiting_confirmation{background:rgba(251,191,36,.15);color:var(--warn)}
.pill.completed{background:rgba(52,211,153,.15);color:var(--ok)}
.pill.canceled{background:rgba(248,113,113,.12);color:var(--bad)}
.method{font-size:12px;color:var(--dim);text-transform:capitalize}
.row-actions{display:flex;gap:6px;justify-content:flex-end}

.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tab{padding:7px 14px;border-radius:980px;border:1px solid var(--line-2);background:rgba(255,255,255,.03);color:var(--dim);cursor:pointer;font-size:13px;font-weight:600}
.tab.active{border-color:var(--c-cyan);color:var(--text);background:rgba(34,211,238,.08)}

.empty{padding:50px 20px;text-align:center;color:var(--faint)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.formcard{padding:20px}
.formcard h3{margin:0 0 16px;font-size:16px}
.field{margin-bottom:14px}
.muted{color:var(--faint);font-size:12.5px}
.stock-chip{font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:8px;background:rgba(255,255,255,.05)}
.stock-chip.low{color:var(--warn)}
.stock-chip.zero{color:var(--bad)}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(3,4,8,.7);backdrop-filter:blur(4px);display:none;place-items:center;z-index:100;padding:20px}
.modal-bg.show{display:grid}
.modal{width:100%;max-width:560px;padding:26px;max-height:90vh;overflow:auto}
.modal h3{margin:0 0 18px}
.modal .actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:rgba(8,10,18,.95);border:1px solid var(--c-cyan);
  padding:12px 20px;border-radius:980px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:200;box-shadow:0 0 30px -8px rgba(34,211,238,.6)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.bad{border-color:var(--bad);box-shadow:0 0 30px -8px rgba(248,113,113,.6)}

@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;overflow:auto}
  .side .spacer,.side .who{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid2,.grid3{grid-template-columns:1fr}
  .main{max-height:none}
}