* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #0b0f14;
  color: #e8eef7;
}
.wrap {
  min-height: 100vh;
  padding: 16px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.card {
  width: 100%;
  max-width: 720px;
  background: #121a24;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 16px;
  margin-top: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
h1 {
  margin: 0 0 12px 0;
  font-size: 22px;
}
.hero-dog {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.45);
}
label {
  display: block;
  font-weight: 600;
  margin: 12px 0 8px;
}
input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #0b0f14;
  color: #e8eef7;
}
button {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border-radius: 12px;
  border: none;
  background: #3b82f6;
  color: white;
  font-weight: 700;
  cursor: pointer;
}
.section-title {
  margin: 18px 0 8px;
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.85;
}
.bubble {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}
.error {
  border-color: rgba(239,68,68,0.35);
  background: rgba(239,68,68,0.08);
}
a {
  display: inline-block;
  margin-top: 16px;
  color: #93c5fd;
  font-weight: 700;
  text-decoration: none;
}