:root {
  --bg: #06090e;
  --bg-2: #0a0f16;
  --panel: #0d141d;
  --panel-2: #111a25;
  --line: #1b2735;
  --ink: #d7e3ee;
  --ink-dim: #7d8ea0;
  --ink-faint: #4a5a6b;
  --signal: #2ff0b6;
  --signal-deep: #0bbf8c;
  --warn: #ffb23e;
  --fail: #ff4d63;
  --grid: rgba(47, 240, 182, 0.055);
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --display: "Chakra Petch", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: var(--mono);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(47,240,182,0.08), transparent 60%),
    radial-gradient(900px 600px at 0% 110%, rgba(11,191,140,0.06), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  background-attachment: fixed;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* texture overlays */
.scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 2; opacity: 0.5;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.18) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply;
}
.glow {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(60% 50% at 50% 30%, rgba(47,240,182,0.05), transparent 70%);
}

.shell {
  position: relative; z-index: 3;
  max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px;
}

/* masthead */
.masthead {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 22px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 7px; flex: none;
  background: linear-gradient(135deg, var(--signal), var(--signal-deep));
  box-shadow: 0 0 22px rgba(47,240,182,0.5), inset 0 0 0 1px rgba(255,255,255,0.25);
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 9px;
  border: 2px solid rgba(6,9,14,0.85); border-radius: 50%;
  border-right-color: transparent; animation: spin 3.2s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.brand-text h1 {
  font-family: var(--display); font-weight: 700; letter-spacing: 0.18em;
  font-size: 1.32rem; line-height: 1;
}
.sub { color: var(--ink-dim); font-size: 0.72rem; letter-spacing: 0.16em; margin-top: 6px; }
.target { text-align: right; }
.target-label { display: block; color: var(--ink-faint); font-size: 0.6rem; letter-spacing: 0.22em; }
.target-host { font-family: var(--display); font-weight: 600; color: var(--signal); font-size: 0.92rem; letter-spacing: 0.05em; }

/* scope / oscilloscope */
.scope-wrap {
  position: relative; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 100% 28px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 28px 100%,
    radial-gradient(120% 120% at 50% 0%, var(--panel-2), var(--panel));
  box-shadow: inset 0 0 60px rgba(0,0,0,0.6), 0 20px 50px -30px rgba(0,0,0,0.9);
  margin-bottom: 26px;
}
.scope { display: block; width: 100%; height: 200px; }
.scope-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  justify-content: space-between; padding: 18px 20px; pointer-events: none;
}
.verdict { max-width: 70%; }
.verdict-state {
  font-family: var(--display); font-weight: 700; letter-spacing: 0.14em;
  font-size: 1.45rem; display: block; color: var(--ink-dim);
  text-shadow: 0 0 18px currentColor;
}
.verdict[data-state="pass"] .verdict-state { color: var(--signal); }
.verdict[data-state="warn"] .verdict-state { color: var(--warn); }
.verdict[data-state="fail"] .verdict-state { color: var(--fail); }
.verdict[data-state="run"]  .verdict-state { color: var(--ink); }
.verdict-detail { display: block; color: var(--ink-dim); font-size: 0.74rem; margin-top: 8px; line-height: 1.5; max-width: 38ch; }

.run-btn {
  pointer-events: auto; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 600; letter-spacing: 0.14em; font-size: 0.82rem;
  color: var(--bg); background: linear-gradient(135deg, var(--signal), var(--signal-deep));
  border: none; border-radius: 9px; padding: 12px 22px; cursor: pointer;
  box-shadow: 0 0 24px rgba(47,240,182,0.4); transition: transform .12s, box-shadow .2s, filter .2s;
}
.run-btn:hover { transform: translateY(-1px); box-shadow: 0 0 34px rgba(47,240,182,0.6); }
.run-btn:active { transform: translateY(0); }
.run-btn:disabled { filter: grayscale(0.6) brightness(0.7); cursor: progress; box-shadow: none; }
.run-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bg); box-shadow: 0 0 0 0 rgba(6,9,14,0.6); }
.run-btn:disabled .run-dot { animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 0%,100%{ transform: scale(1); opacity:1 } 50%{ transform: scale(1.6); opacity:.4 } }

/* metric grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 16px 14px;
  position: relative; overflow: hidden; min-height: 132px;
  display: flex; flex-direction: column;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--ink-faint); transition: background .3s, box-shadow .3s;
}
.card[data-state="pass"]::before { background: var(--signal); box-shadow: 0 0 16px var(--signal); }
.card[data-state="warn"]::before { background: var(--warn); box-shadow: 0 0 16px var(--warn); }
.card[data-state="fail"]::before { background: var(--fail); box-shadow: 0 0 16px var(--fail); }
.card[data-state="run"]::before  { background: var(--ink); animation: scan 1.1s ease-in-out infinite; }
@keyframes scan { 0%,100%{ opacity:.25 } 50%{ opacity:1 } }

.card-head { display: flex; justify-content: space-between; align-items: baseline; }
.card-name { font-size: 0.64rem; letter-spacing: 0.18em; color: var(--ink-dim); text-transform: uppercase; }
.card-pill {
  font-size: 0.56rem; letter-spacing: 0.12em; padding: 3px 7px; border-radius: 20px;
  border: 1px solid var(--line); color: var(--ink-faint);
}
.card[data-state="pass"] .card-pill { color: var(--signal); border-color: rgba(47,240,182,0.4); }
.card[data-state="warn"] .card-pill { color: var(--warn); border-color: rgba(255,178,62,0.4); }
.card[data-state="fail"] .card-pill { color: var(--fail); border-color: rgba(255,77,99,0.4); }

.card-value {
  font-family: var(--display); font-weight: 700; font-size: 2rem; line-height: 1; margin-top: 14px;
  letter-spacing: 0.01em;
}
.card-value .unit { font-size: 0.8rem; color: var(--ink-dim); margin-left: 5px; font-weight: 500; }
.card-sub { margin-top: auto; padding-top: 12px; color: var(--ink-faint); font-size: 0.64rem; letter-spacing: 0.04em; line-height: 1.5; }

.card-bars { display: flex; gap: 14px; margin-top: 12px; }
.bar-item { flex: 1; }
.bar-item .bi-label { font-size: 0.56rem; letter-spacing: 0.14em; color: var(--ink-faint); }
.bar-item .bi-val { font-family: var(--display); font-weight: 600; font-size: 1.05rem; margin-top: 3px; }

/* telemetry log */
.logwrap { margin-top: 26px; }
.log-toggle {
  background: none; border: 1px solid var(--line); color: var(--ink-dim);
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.16em;
  padding: 9px 14px; border-radius: 8px; cursor: pointer; transition: border-color .2s, color .2s;
}
.log-toggle:hover { color: var(--signal); border-color: rgba(47,240,182,0.4); }
.log-toggle .chev { display: inline-block; transition: transform .2s; }
.log-toggle[aria-expanded="true"] .chev { transform: rotate(90deg); }
.log {
  margin-top: 12px; background: #04070a; border: 1px solid var(--line); border-radius: 10px;
  padding: 16px; font-size: 0.7rem; line-height: 1.7; color: var(--ink-dim);
  max-height: 320px; overflow: auto; white-space: pre-wrap; word-break: break-word;
}
.log .ok { color: var(--signal); }
.log .wn { color: var(--warn); }
.log .er { color: var(--fail); }
.log .dim { color: var(--ink-faint); }

.footnote { margin-top: 24px; color: var(--ink-faint); font-size: 0.64rem; line-height: 1.6; letter-spacing: 0.03em; }

@media (max-width: 560px) {
  .verdict { max-width: 100%; }
  .scope { height: 170px; }
  .verdict-state { font-size: 1.15rem; }
  .card-value { font-size: 1.6rem; }
}