:root {
    --bg: #0d1117;
    --panel: #161b22;
    --panel-2: #1b222b;
    --line: #262d38;
    --text: #d5dbe3;
    --dim: #7d8794;
    --dim-2: #565f6b;
    --green: #3fb950;
    --amber: #d29922;
    --red: #f85149;
    --blue: #58a6ff;
    --violet: #bc8cff;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'IBM Plex Sans', system-ui, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding: 0 clamp(1rem, 4vw, 3rem) 4rem;
  }
  .mono { font-family: 'IBM Plex Mono', monospace; }

  /* ---- top bar ---- */
  header {
    display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
    padding: 1.4rem 0 1.6rem;
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0; background: var(--bg); z-index: 5;
  }
  .brand { display: flex; align-items: baseline; gap: .7rem; margin-right: auto; }
  .brand h1 { font-size: 1.05rem; font-weight: 600; letter-spacing: .01em; }
  .brand small { color: var(--dim); font-size: .78rem; }

  .live {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .8rem; color: var(--dim);
    font-family: 'IBM Plex Mono', monospace;
  }
  .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dim-2); }
  .live.ok .dot { background: var(--green); box-shadow: 0 0 0 0 rgba(63,185,80,.5); animation: pulse 2s infinite; }
  .live.err .dot { background: var(--red); }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(63,185,80,.45); }
    70% { box-shadow: 0 0 0 7px rgba(63,185,80,0); }
    100% { box-shadow: 0 0 0 0 rgba(63,185,80,0); }
  }
  @media (prefers-reduced-motion: reduce) { .live.ok .dot { animation: none; } }

  .uptime { font-size: .8rem; color: var(--dim); }

  /* ---- token gate ---- */
  .gate {
    display: flex; gap: .6rem; align-items: center; flex-wrap: wrap;
    margin: 1.6rem 0;
  }
  .gate input {
    flex: 1 1 260px; min-width: 0;
    background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
    color: var(--text); padding: .6rem .8rem; font-size: .9rem;
    font-family: 'IBM Plex Mono', monospace;
  }
  .gate input:focus { outline: 2px solid var(--blue); outline-offset: -1px; }
  .gate button {
    background: var(--blue); color: #06121f; border: 0; border-radius: 8px;
    padding: .6rem 1.1rem; font-size: .88rem; font-weight: 600; cursor: pointer;
    font-family: 'IBM Plex Sans', sans-serif;
  }
  .gate button:hover { filter: brightness(1.08); }
  .gate .hint { flex-basis: 100%; color: var(--dim-2); font-size: .76rem; }
  .msg { color: var(--amber); font-size: .82rem; min-height: 1.2em; margin-bottom: 1rem; }

  /* ---- metric tiles ---- */
  .tiles {
    display: grid; gap: 1px; background: var(--line);
    border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
    grid-template-columns: repeat(6, 1fr);
  }
  @media (max-width: 900px) { .tiles { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 520px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
  .tile { background: var(--panel); padding: 1.1rem 1.2rem 1.2rem; position: relative; }
  .tile .label { font-size: .72rem; color: var(--dim); letter-spacing: .02em; }
  .tile .num { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 500; margin-top: .35rem; line-height: 1; }
  .tile .bar { height: 3px; border-radius: 3px; margin-top: .8rem; background: var(--panel-2); overflow: hidden; }
  .tile .bar > span { display: block; height: 100%; width: 0; transition: width .5s ease; }
  .tile.total .num { color: var(--text); }
  .tile.total .bar > span { background: var(--dim); }
  .tile.success .num { color: var(--green); } .tile.success .bar > span { background: var(--green); }
  .tile.denied  .num { color: var(--amber); } .tile.denied  .bar > span { background: var(--amber); }
  .tile.errors  .num { color: var(--red); }   .tile.errors  .bar > span { background: var(--red); }
  .tile.inserts .num { color: var(--blue); }  .tile.inserts .bar > span { background: var(--blue); }
  .tile.deletes .num { color: var(--violet); }.tile.deletes .bar > span { background: var(--violet); }

  /* ---- sub metrics ---- */
  .subrow { display: flex; flex-wrap: wrap; gap: 1.4rem; margin: 1.3rem .2rem 0; color: var(--dim); font-size: .82rem; }
  .subrow b { color: var(--text); font-weight: 500; }

  /* ---- failure breakdown ---- */
  .fails { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.6rem; }
  @media (max-width: 700px) { .fails { grid-template-columns: 1fr; } }
  .fail-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.2rem 1.2rem; }
  .fail-card .head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: .9rem; }
  .fail-card .head h3 { font-size: .9rem; font-weight: 600; }
  .fail-card .head .tot { font-family: 'IBM Plex Mono', monospace; font-size: 1.5rem; font-weight: 500; color: var(--amber); }
  .fail-card .none { color: var(--dim-2); font-size: .84rem; padding: .3rem 0; }
  .reason { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .6rem; padding: .4rem 0; }
  .reason + .reason { border-top: 1px solid var(--line); }
  .reason .rtext { font-size: .84rem; color: var(--text); }
  .reason .rcount { font-family: 'IBM Plex Mono', monospace; font-size: .9rem; color: var(--amber); }
  .reason .rbar { grid-column: 1 / -1; height: 3px; border-radius: 3px; background: var(--panel-2); overflow: hidden; margin-top: .1rem; }
  .reason .rbar > span { display: block; height: 100%; background: var(--amber); width: 0; transition: width .5s ease; }

  /* ---- IP table ---- */
  section.ips { margin-top: 2.4rem; }
  .sec-head { display: flex; align-items: baseline; gap: .8rem; margin-bottom: .9rem; }
  .sec-head h2 { font-size: .95rem; font-weight: 600; }
  .sec-head span { color: var(--dim); font-size: .8rem; }
  .table-wrap { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
  table { width: 100%; border-collapse: collapse; font-size: .86rem; }
  thead th {
    text-align: left; background: var(--panel-2); color: var(--dim);
    font-weight: 500; font-size: .74rem; padding: .7rem 1rem; border-bottom: 1px solid var(--line);
  }
  th.r, td.r { text-align: right; }
  tbody td { padding: .68rem 1rem; border-bottom: 1px solid var(--line); }
  tbody tr:last-child td { border-bottom: 0; }
  tbody tr:hover { background: var(--panel); }
  td.ip { font-family: 'IBM Plex Mono', monospace; color: var(--text); }
  td.num { font-family: 'IBM Plex Mono', monospace; }
  .pill { font-family: 'IBM Plex Mono', monospace; font-size: .78rem; padding: .1rem .5rem; border-radius: 999px; }
  .pill.ok { color: var(--green); background: rgba(63,185,80,.12); }
  .pill.no { color: var(--amber); background: rgba(210,153,34,.12); }
  .pill.z  { color: var(--dim-2); }
  td.seen { color: var(--dim); font-family: 'IBM Plex Mono', monospace; font-size: .78rem; }
  .empty { padding: 2.2rem 1rem; text-align: center; color: var(--dim); font-size: .86rem; }

  footer { margin-top: 2.2rem; color: var(--dim-2); font-size: .74rem; }
  .hidden { display: none !important; }