:root {
  --bg: #0b0d12;
  --bg-2: #12151c;
  --bg-3: #1a1e28;
  --fg: #e6e8ee;
  --muted: #8b93a7;
  --bd: #232936;
  --brand: #4f8cff;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --blue: #38bdf8;
  --grey: #6b7280;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--bg-3); padding: 2px 6px; border-radius: 4px; color: #c8d0e0; }

#app { display: grid; grid-template-columns: 240px 1fr; height: 100vh; }

aside {
  background: var(--bg-2);
  border-right: 1px solid var(--bd);
  padding: 20px 12px;
  overflow-y: auto;
}
.brand-title { font-weight: 700; font-size: 17px; padding: 0 12px 20px; letter-spacing: -.2px; }
.brand-title span { color: var(--brand); }
nav a {
  display: block; padding: 9px 12px; border-radius: 8px; color: var(--muted);
  margin-bottom: 2px; font-weight: 500; font-size: 13.5px;
}
nav a:hover { background: var(--bg-3); color: var(--fg); text-decoration: none; }
nav a.active { background: var(--bg-3); color: var(--fg); }
.nav-foot { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--bd);
  font-size: 12px; color: var(--muted); padding-left: 12px; }

main { overflow-y: auto; padding: 28px 32px 60px; }
h1 { font-size: 22px; margin: 0 0 20px; font-weight: 600; letter-spacing: -.3px; }
h3 { font-size: 14px; margin: 0; font-weight: 600; }

.row { display: flex; align-items: center; gap: 12px; }
.row.between { justify-content: space-between; margin-bottom: 20px; }
.grid { display: grid; gap: 16px; margin-bottom: 20px; }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }

.stat {
  background: var(--bg-2); border: 1px solid var(--bd);
  border-radius: 12px; padding: 18px 20px;
}
.stat-value { font-size: 28px; font-weight: 700; letter-spacing: -.5px; }
.stat-label { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.stat.green .stat-value { color: var(--green); }
.stat.amber .stat-value { color: var(--amber); }
.stat.red .stat-value { color: var(--red); }

.panel {
  background: var(--bg-2); border: 1px solid var(--bd);
  border-radius: 12px; padding: 20px; margin-bottom: 18px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; }

.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--bd); }
.tbl th { color: var(--muted); font-weight: 600; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: .5px; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .ua { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: 12px; }
.empty { color: var(--muted); text-align: center; padding: 24px; }

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 11px; font-weight: 600; letter-spacing: .2px;
  background: var(--bg-3); color: var(--muted);
}
.tag.green { background: rgba(34,197,94,.14); color: var(--green); }
.tag.amber { background: rgba(245,158,11,.14); color: var(--amber); }
.tag.red   { background: rgba(239,68,68,.14); color: var(--red); }
.tag.blue  { background: rgba(56,189,248,.14); color: var(--blue); }
.tag.grey  { background: var(--bg-3); color: var(--muted); }

.pill { background: var(--bg-3); padding: 4px 12px; border-radius: 20px;
  font-size: 12px; color: var(--muted); }

.btn, .btn-sm {
  display: inline-block; padding: 9px 16px; border-radius: 8px;
  background: var(--brand); color: #fff; border: none; cursor: pointer;
  font-size: 13px; font-weight: 600; font-family: inherit;
  transition: filter .15s, transform .05s;
}
.btn:hover, .btn-sm:hover { filter: brightness(1.1); text-decoration: none; }
.btn:active, .btn-sm:active { transform: scale(.98); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn-sm.danger { background: var(--red); }

.row-actions { display: flex; gap: 6px; }

.form-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.form-grid label { display: flex; flex-direction: column; gap: 6px;
  font-size: 12.5px; color: var(--muted); font-weight: 500; }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid input, .form-grid select, .form-grid textarea {
  background: var(--bg); border: 1px solid var(--bd); color: var(--fg);
  padding: 9px 12px; border-radius: 8px; font-size: 13.5px;
  font-family: inherit; outline: none; width: 100%;
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  border-color: var(--brand);
}
.form-grid button { grid-column: 1 / -1; justify-self: start; }

.inline-form { display: flex; gap: 8px; align-items: center; }
.inline-form input { background: var(--bg); border: 1px solid var(--bd);
  color: var(--fg); padding: 7px 12px; border-radius: 8px; font-size: 13px; font-family: inherit; }

.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 40px;
  gap: 12px; align-items: center; font-size: 12.5px; }
.bar-label { color: var(--muted); }
.bar-track { background: var(--bg-3); height: 8px; border-radius: 4px; overflow: hidden; }
.bar-fill { background: var(--brand); height: 100%; border-radius: 4px;
  transition: width .3s; }
.bar-val { text-align: right; color: var(--muted); }

.plan { background: var(--bg-2); border: 1px solid var(--bd);
  border-radius: 12px; padding: 22px 20px; }
.plan.current { border-color: var(--brand); }
.plan-name { font-weight: 700; font-size: 15px; }
.plan-price { font-size: 28px; font-weight: 700; margin: 8px 0 4px; letter-spacing: -.5px; }
.plan-price span { font-size: 13px; color: var(--muted); font-weight: 400; }
.plan ul { list-style: none; padding: 0; margin: 14px 0 18px;
  color: var(--muted); font-size: 13px; }
.plan ul li { padding: 4px 0; }
.plan ul li::before { content: "✓ "; color: var(--green); }

.apikey { display: block; padding: 12px 14px; background: var(--bg-3);
  border-radius: 8px; word-break: break-all; margin: 8px 0; }

.sub { color: var(--muted); font-size: 12.5px; }

.err { color: var(--red); padding: 20px; background: rgba(239,68,68,.08);
  border-radius: 10px; border: 1px solid rgba(239,68,68,.2); }

@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; }
  aside { display: none; }
  .grid.four, .grid.three, .grid.two { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}