:root {
  --bg: #0f1115;
  --bg-card: #171a21;
  --bg-card-hover: #1d212b;
  --border: #262b36;
  --text: #e6e8ec;
  --text-muted: #8b93a3;
  --accent: #6366f1;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --gray: #6b7280;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #1a1d26, var(--bg) 60%);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  padding: 28px 32px 48px;
}

header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

h1 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.muted {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0;
}

#refreshBtn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.ghost-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.ghost-btn:hover {
  color: var(--text);
  border-color: #3a4152;
}

#refreshBtn:hover {
  filter: brightness(1.1);
}

#refreshBtn:active {
  filter: brightness(0.9);
}

.product-section + .product-section {
  margin-top: 32px;
}

.product-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.product-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  transition: background 0.15s ease, transform 0.15s ease;
}

.card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.app-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #fff, #9ea4b5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.env-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.env-tab {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 7px;
  padding: 6px 0;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.env-tab:hover {
  color: var(--text);
  border-color: #3a4152;
}

.env-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.version-display {
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.version-display.online { color: var(--text); }
.version-display.degraded { color: var(--yellow); }
.version-display.offline { color: var(--red); }
.version-display.checking { color: var(--text-muted); }

.version-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot.online { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.degraded { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.dot.offline { background: var(--red); box-shadow: 0 0 8px var(--red); }
.dot.checking { background: var(--gray); animation: pulse 1s ease-in-out infinite; }

.badge.online { color: var(--green); }
.badge.degraded { color: var(--yellow); }
.badge.offline { color: var(--red); }
.badge.checking { color: var(--gray); }

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.card-url {
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  color: var(--text-muted);
  word-break: break-all;
  margin-bottom: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.card-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 4px 0;
}

.card-row .label {
  color: var(--text-muted);
}

.card-row .value {
  font-family: "Cascadia Code", Consolas, monospace;
  font-weight: 600;
  text-align: right;
}

.card-error {
  margin-top: 10px;
  font-size: 12px;
  color: var(--red);
  background: rgba(239, 68, 68, 0.1);
  border-radius: 6px;
  padding: 8px 10px;
}