* {
  box-sizing: border-box;
}

:root {
  --page-bg: #eef4f8;
  --panel-bg: #ffffff;
  --panel-border: #c5d6e3;
  --header-bg: #12344d;
  --header-fg: #f4f9fc;
  --text-main: #173042;
  --text-muted: #5e7282;
  --ok-bg: #d7f5e2;
  --ok-fg: #116149;
  --warn-bg: #fff1c7;
  --warn-fg: #7b5b00;
  --footer-bg: #d9e6ee;
  --shadow: 0 14px 40px rgba(18, 52, 77, 0.08);
}

body {
  margin: 0;
  background: linear-gradient(180deg, #f8fbfd 0%, var(--page-bg) 100%);
  color: var(--text-main);
  font-family: "Trebuchet MS", Verdana, sans-serif;
  line-height: 1.5;
}

.page-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.hero {
  background: var(--header-bg);
  color: var(--header-fg);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero h1,
.hero p {
  margin: 0;
}

.hero p {
  margin-top: 8px;
  color: #cde0ee;
}

.card-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.meta-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.meta-list li + li {
  margin-top: 10px;
}

.label {
  display: inline-block;
  min-width: 150px;
  color: var(--text-muted);
  font-weight: 700;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.status-ok {
  background: var(--ok-bg);
  color: var(--ok-fg);
}

.status-warn {
  background: var(--warn-bg);
  color: var(--warn-fg);
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.upload-link,
.launch-link {
  color: #0b5cab;
  font-weight: 700;
  text-decoration: none;
}

.upload-link:hover,
.launch-link:hover {
  text-decoration: underline;
}

.placeholder {
  display: block;
  width: min(100%, 280px);
  margin-top: 12px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: #f7fbfe;
}

.footer {
  margin-top: 24px;
  background: var(--footer-bg);
  border-radius: 14px;
  padding: 16px 18px;
  color: #28485f;
}

code {
  background: #edf3f7;
  border-radius: 6px;
  padding: 2px 6px;
}

@media (max-width: 640px) {
  .page-shell {
    padding: 20px 14px 32px;
  }

  .hero,
  .card,
  .footer {
    padding: 16px;
  }

  .label {
    display: block;
    min-width: 0;
    margin-bottom: 4px;
  }
}