* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Calibri", sans-serif;
  background: linear-gradient(180deg, #f4f7fb 0%, #e7f0ff 100%);
  color: #0f172a;
}

header {
  background: #0b1f3a;
  color: #fff;
  padding: 1rem 1.25rem;
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

nav a,
.button-link {
  color: #dbeafe;
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 0.4rem;
  background: #1e3a5f;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
}

.card {
  background: #fff;
  border: 1px solid #d8e1ef;
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

form label {
  display: block;
  margin-bottom: 0.65rem;
  font-weight: 600;
}

input,
textarea,
select,
button {
  width: 100%;
  margin-top: 0.35rem;
  border: 1px solid #9aa9be;
  border-radius: 0.45rem;
  padding: 0.55rem 0.65rem;
  font-size: 0.95rem;
}

textarea {
  min-height: 110px;
}

button {
  background: #0f4c81;
  color: #fff;
  border: none;
  cursor: pointer;
}

button.secondary {
  background: #64748b;
}

.inline-form {
  display: inline-block;
}

.flash {
  background: #e9fce8;
  color: #0f5132;
  border: 1px solid #b4e3b2;
  border-radius: 0.5rem;
  padding: 0.7rem;
  margin-bottom: 1rem;
}

.field-error {
  margin-top: 0.45rem;
  margin-bottom: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: #b42318;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.chat-log {
  padding-left: 1.1rem;
}

.muted {
  color: #475569;
}

pre {
  background: #0a1324;
  color: #cbd5e1;
  padding: 0.8rem;
  border-radius: 0.6rem;
  overflow: auto;
}

.form-card {
  border: 1px solid #dbe4f1;
  border-radius: 0.6rem;
  padding: 0.85rem;
  margin-bottom: 0.9rem;
}

@media (max-width: 900px) {
  .grid-two {
    grid-template-columns: 1fr;
  }
}