:root {
  --bg: #05070d;
  --panel: #0a0f1a;
  --green: #39ff7a;
  --green-dim: #1d8a45;
  --cyan: #37e0ff;
  --amber: #ffc23c;
  --red: #ff4d5e;
  --grid: #12331f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--green);
  font-family: "Courier New", ui-monospace, monospace;
  font-weight: bold;
  letter-spacing: 0.08em;
  min-height: 100vh;
}

/* faint scanlines */
.crt {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  position: relative;
}
.crt::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom, transparent 0 2px, rgba(0, 0, 0, 0.18) 2px 4px
  );
}

header { text-align: center; margin-bottom: 20px; }
h1 {
  margin: 0;
  font-size: 42px;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(55, 224, 255, 0.6);
}
.subtitle { margin: 4px 0 0; color: var(--green-dim); }

.tabs, .chips { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }

.tab, .chip, .pager button {
  background: var(--panel);
  color: var(--green);
  border: 2px solid var(--green-dim);
  font: inherit;
  letter-spacing: inherit;
  padding: 8px 18px;
  cursor: pointer;
}
.chip { padding: 4px 12px; font-size: 12px; }
.tab.active, .chip.active {
  color: var(--bg);
  background: var(--green);
  border-color: var(--green);
  text-shadow: none;
}
.tab:hover:not(.active), .chip:hover:not(.active), .pager button:hover:enabled { border-color: var(--green); }
.pager button:disabled { opacity: 0.35; cursor: default; }

table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--grid); text-align: left; font-size: 14px; }
th { color: var(--cyan); font-size: 12px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: #0e1626; }
tr.top1 td { color: var(--amber); }
tr.top2 td, tr.top3 td { color: #baffce; }
.status { text-align: center; color: var(--green-dim); padding: 24px; }
.fingerprint { color: var(--green-dim); font-size: 12px; }
.diff-0 { color: var(--green-dim); }
.diff-1 { color: var(--green); }
.diff-3 { color: var(--amber); }
.diff-5 { color: var(--red); }

.info-btn {
  background: none;
  border: 1px solid var(--green-dim);
  color: var(--cyan);
  font: inherit;
  font-size: 12px;
  padding: 2px 8px;
  cursor: pointer;
}
.info-btn:hover { border-color: var(--cyan); }

.pager { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 14px; }
#page-info { color: var(--green-dim); font-size: 12px; }

footer { text-align: center; margin-top: 28px; color: var(--green-dim); font-size: 12px; }
.ico { color: var(--cyan); }

dialog {
  background: var(--panel);
  color: var(--green);
  border: 2px solid var(--green);
  padding: 0;
  width: min(720px, 92vw);
  font-family: inherit;
  letter-spacing: inherit;
  font-weight: bold;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.75); }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--grid);
}
.modal-head h2 { margin: 0; font-size: 18px; color: var(--cyan); }
#modal-close {
  background: none; border: none; color: var(--red);
  font-size: 22px; cursor: pointer; line-height: 1;
}
#modal-meta { padding: 10px 16px; font-size: 12px; color: var(--green-dim); }
.modal-scroll { max-height: 50vh; overflow-y: auto; }
.modal-foot { padding: 12px 16px; border-top: 1px solid var(--grid); text-align: right; }
#download-json { color: var(--cyan); text-decoration: none; border-bottom: 1px dashed var(--cyan); }