:root {
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
  background: #f6f7f9;
}

body {
  margin: 0;
}

.site-header {
  background: #1e293b;
  color: #f8fafc;
  padding: 1rem 1.5rem;
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.site-header h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.auth-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.auth-user {
  color: #cbd5e1;
}

.logout-form {
  margin: 0;
}

.btn-link {
  background: transparent;
  border: 1px solid #64748b;
  color: #f8fafc;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}

.btn-link:hover {
  border-color: #94a3b8;
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
}

.lede {
  color: #475569;
}

.messages {
  list-style: none;
  padding: 0;
}

.messages li {
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.messages .error {
  background: #fee2e2;
  color: #991b1b;
}

.messages .warning {
  background: #fef9c3;
  color: #854d0e;
}

.benchmark-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.benchmark-form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font: inherit;
  resize: vertical;
}

.benchmark-form button {
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.meta {
  color: #64748b;
  font-size: 0.9rem;
}

.source-panel pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1rem;
}

.results-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 720px) {
  .results-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

.result-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 1rem;
}

.result-card h3 {
  margin-top: 0;
  font-size: 1rem;
}

.result-card .error {
  color: #b91c1c;
  font-size: 0.85rem;
}

.metrics {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  font-size: 0.85rem;
}

.metrics dt {
  color: #64748b;
  margin: 0;
}

.metrics dd {
  margin: 0;
}

.translation {
  white-space: pre-wrap;
  word-break: break-word;
  background: #f8fafc;
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.9rem;
}

.login-card {
  max-width: 26rem;
  margin: 2rem auto;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
}

.login-card h2 {
  margin-top: 0;
}

.login-hint {
  color: #64748b;
  font-size: 0.9rem;
}

.login-error {
  color: #b91c1c;
  font-weight: 600;
}

.login-form label {
  display: block;
  font-weight: 600;
  margin-top: 0.75rem;
  margin-bottom: 0.35rem;
}

.login-form label:first-of-type {
  margin-top: 0;
}

.login-form input[type="text"],
.login-form input[type="password"] {
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font: inherit;
}

.login-form button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}