:root {
  --bg: #f0f7f4;
  --paper: #ffffff;
  --ink: #16302b;
  --muted: #4b635d;
  --accent: #1f7a8c;
  --ok: #12824c;
  --bad: #ba2d0b;
  --border: #d6e8e1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09131a;
    --paper: #10222c;
    --ink: #e3f2f6;
    --muted: #93acb6;
    --accent: #69bfd6;
    --ok: #62d387;
    --bad: #ff8c73;
    --border: #214250;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, #cfeadf 0, transparent 32%),
    radial-gradient(circle at 90% 0%, #b4d6e3 0, transparent 28%),
    var(--bg);
  background-repeat: no-repeat;
  background-size: 140vmax 140vmax, 120vmax 120vmax, auto;
  background-position: left top, right top, center;
  background-attachment: fixed;
}

@media (prefers-color-scheme: dark) {
  body {
    background:
      radial-gradient(circle at 10% 10%, #143342 0, transparent 35%),
      radial-gradient(circle at 90% 0%, #233a46 0, transparent 30%),
      var(--bg);
    background-repeat: no-repeat;
    background-size: 140vmax 140vmax, 120vmax 120vmax, auto;
    background-position: left top, right top, center;
    background-attachment: fixed;
  }
}

.layout {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem 2rem;
}

.hero {
  background: linear-gradient(130deg, #e2f4eb 0%, #e7f0ff 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.25rem;
}

@media (prefers-color-scheme: dark) {
  .hero {
    background: linear-gradient(135deg, #123342 0%, #182f3c 100%);
  }
}

.hero h1 {
  margin: 0;
  font-size: 1.8rem;
}

.hero p {
  margin-top: 0.3rem;
  color: var(--muted);
}

.meta {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.panel {
  margin-top: 1rem;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid transparent;
}

.badge-ok {
  color: var(--ok);
  background: #e7f7ef;
  border-color: #b6e3ca;
}

@media (prefers-color-scheme: dark) {
  .badge-ok {
    background: #173b2a;
    border-color: #2f6c4f;
  }
}

.badge-bad {
  color: var(--bad);
  background: #fdece7;
  border-color: #f3b9aa;
}

@media (prefers-color-scheme: dark) {
  .badge-bad {
    background: #472118;
    border-color: #855040;
  }
}

.hint {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.history {
  margin-top: 0.35rem;
  display: flex;
  gap: 0.2rem;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #adbcb6;
}

.dot.ok {
  background: var(--ok);
}

.dot.bad {
  background: var(--bad);
}

@media (prefers-color-scheme: dark) {
  th,
  td {
    border-bottom-color: #1f3f4c;
  }
}

@media (max-width: 880px) {
  .panel {
    overflow-x: auto;
  }

  table {
    min-width: 760px;
  }
}