* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: #0b1220;
  color: #e2e8f0;
}

body {
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

h1 {
  margin: 0 0 6px;
  font-size: 1.75rem;
}

h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
}

.subtitle {
  margin: 0;
  color: #94a3b8;
}

.panel {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
}

.panel--info code {
  display: inline-block;
  margin: 8px 0;
  padding: 8px 12px;
  background: #1e293b;
  border-radius: 8px;
  font-size: 1rem;
  color: #38bdf8;
}

.hint {
  margin: 0;
  color: #94a3b8;
  font-size: 0.9rem;
}

.badge {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge--pending {
  background: #334155;
  color: #cbd5e1;
}

.badge--ok {
  background: #14532d;
  color: #86efac;
}

.badge--error {
  background: #7f1d1d;
  color: #fca5a5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 16px 18px;
  min-height: 72px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  background: #2563eb;
  color: #fff;
  transition: transform 0.08s ease, opacity 0.15s ease;
}

.btn:hover {
  opacity: 0.92;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.btn small {
  display: block;
  margin-top: 6px;
  font-weight: 400;
  font-size: 0.78rem;
  opacity: 0.85;
}

.btn--ghost {
  min-height: auto;
  padding: 8px 14px;
  background: #1f2937;
  color: #cbd5e1;
}

.panel--log pre {
  margin: 0;
  min-height: 220px;
  max-height: 420px;
  overflow: auto;
  padding: 14px;
  background: #020617;
  border-radius: 10px;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #cbd5e1;
}

.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.log-entry {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid #1e293b;
}

.log-entry:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.log-meta {
  color: #64748b;
  margin-bottom: 6px;
}

.log-ok {
  color: #4ade80;
}

.log-error {
  color: #f87171;
}

@media (max-width: 640px) {
  body {
    padding: 16px;
  }

  .header {
    flex-direction: column;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}