* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f5f7fb;
  color: #1f1f1f;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 600;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: #444746;
}

.card {
  background: #fff;
  border: 1px solid #dde3ea;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.hint {
  margin: 0.25rem 0;
  font-size: 0.875rem;
  color: #444746;
}

code {
  font-family: ui-monospace, monospace;
  font-size: 0.85em;
}

#status {
  font-weight: 500;
}

button {
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dde3ea;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font: inherit;
}

button:hover {
  border-color: #0b57d0;
}

.auth-gate {
  padding: 1.5rem;
  text-align: center;
  color: #444746;
  font-size: 0.95rem;
}

.embed-body {
  margin: 0;
  min-height: 100vh;
  background: #f5f7fb;
}

.embed-content {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.prompt-form {
  flex: 0 0 auto;
  margin: 0.75rem;
  margin-bottom: 0;
}

.prompt-form-fields {
  margin: 0;
}

.prompt-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.prompt-form-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.prompt-form-row input {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.65rem;
  border: 1px solid #dde3ea;
  border-radius: 8px;
  font: inherit;
}

.prompt-form-row button {
  margin-top: 0;
  flex-shrink: 0;
}

.embed-content ces-messenger {
  display: block;
  flex: 1 1 auto;
  min-height: 0;
}