:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #090b10;
  color: #f7f7fb;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  padding: clamp(1rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 10% 0%, rgba(56, 189, 248, .15), transparent 32rem),
    radial-gradient(circle at 100% 90%, rgba(124, 58, 237, .12), transparent 30rem),
    #090b10;
}

main {
  width: min(100%, 64rem);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

header,
.panel,
.result {
  border: 1px solid #29313d;
  border-radius: 1.25rem;
  background: rgba(16, 20, 27, .94);
}

header { padding: clamp(1.5rem, 5vw, 3.5rem); }

.eyebrow,
.status-label {
  margin: 0 0 .75rem;
  color: #7dd3fc;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
p { overflow-wrap: anywhere; }

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 5rem);
  line-height: .96;
  letter-spacing: -.055em;
}

h2 { margin: 0; font-size: clamp(1.15rem, 3vw, 1.5rem); }

.lead {
  max-width: 46rem;
  margin: 1.25rem 0 0;
  color: #bdc4cf;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.65;
}

.panel,
.result { padding: clamp(1.25rem, 4vw, 2rem); }

.checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.checks li {
  min-height: 8rem;
  padding: 1rem;
  border: 1px solid #29313d;
  border-radius: .9rem;
  color: #d7dbe2;
  line-height: 1.5;
}

.checks span {
  display: block;
  margin-bottom: 1rem;
  color: #7dd3fc;
  font-size: .75rem;
  font-weight: 800;
}

.action-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
}

.action-panel p,
.result-message {
  margin: .65rem 0 0;
  color: #aeb6c2;
  line-height: 1.55;
}

button {
  min-height: 3rem;
  padding: .75rem 1.1rem;
  border: 1px solid #38bdf8;
  border-radius: .8rem;
  background: #38bdf8;
  color: #041018;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:hover { background: #7dd3fc; }
button:disabled { cursor: wait; opacity: .7; }
button:focus-visible { outline: 3px solid #f8fafc; outline-offset: 3px; }

.result { border-color: #364152; }
.result[data-state="success"] { border-color: #3b8260; }
.result[data-state="error"] { border-color: #a84e5b; }
.result[data-state="pending"] { border-color: #386f89; }

#result-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
  margin: 1.25rem 0 0;
}

#result-details[hidden] { display: none; }

#result-details div {
  padding: .9rem 1rem;
  border-radius: .8rem;
  background: #0b0f15;
}

dt { color: #8993a1; font-size: .78rem; }
dd { margin: .25rem 0 0; font-weight: 700; overflow-wrap: anywhere; }

footer {
  padding: 1rem .25rem;
  color: #778290;
  font-size: .85rem;
  text-align: center;
}

@media (max-width: 46rem) {
  .checks,
  #result-details { grid-template-columns: 1fr; }
  .checks li { min-height: 0; }
  .action-panel { grid-template-columns: 1fr; }
  button { width: 100%; }
}

@media (forced-colors: active) {
  header,
  .panel,
  .result,
  .checks li { border: 1px solid CanvasText; }
}