* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f5f5f5;
  color: #222;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
}

.container {
  background: #fff;
  border-radius: 12px;
  padding: 40px 32px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.subtitle {
  color: #666;
  margin-bottom: 28px;
  font-size: 0.95rem;
}

form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 16px;
  color: #444;
}

form input {
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

form input:focus { border-color: #2563eb; }

button[type="submit"] {
  width: 100%;
  padding: 12px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s;
}

button[type="submit"]:hover { background: #1d4ed8; }

.hidden { display: none; }

#result {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #eee;
}

.result-label {
  font-size: 0.9rem;
  color: #444;
  margin-bottom: 10px;
}

.link-box {
  display: flex;
  align-items: center;
  background: #f0f4ff;
  border-radius: 8px;
  padding: 10px 14px;
  gap: 10px;
  font-size: 0.8rem;
  word-break: break-all;
  color: #1d4ed8;
}

.link-box button {
  width: auto;
  padding: 6px 14px;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 0;
}

.tip {
  margin-top: 14px;
  font-size: 0.85rem;
  color: #666;
}

/* Buyer page */
.car-card { }

.car-card h2 { font-size: 1.5rem; margin-bottom: 10px; }

.detail { color: #555; margin-bottom: 6px; font-size: 1rem; }
.price { font-size: 1.3rem; font-weight: 700; color: #222; margin-top: 4px; }

.payment-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 10px;
  padding: 20px;
  margin: 24px 0;
  text-align: center;
}

.payment-label { font-size: 0.9rem; color: #444; margin-bottom: 6px; }

.payment-amount {
  font-size: 2.4rem;
  font-weight: 800;
  color: #15803d;
}

.payment-note { font-size: 0.78rem; color: #666; margin-top: 6px; }

.btn-apply {
  display: block;
  text-align: center;
  background: #2563eb;
  color: #fff;
  padding: 14px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-apply:hover { background: #1d4ed8; }

.disclaimer {
  margin-top: 16px;
  font-size: 0.75rem;
  color: #999;
  line-height: 1.5;
}

.error {
  color: #dc2626;
  padding: 16px;
  background: #fef2f2;
  border-radius: 8px;
}