:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  margin: 0;
  background: #f4f7fb;
  color: #0f172a;
  line-height: 1.7;
}

.ckc-hero .container,
.ckc-main .container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

.ckc-hero {
  background: linear-gradient(120deg, #0f6efc, #06b6d4);
  color: #fff;
  padding: 48px 0;
  text-align: center;
}

.ckc-main {
  padding: 36px 0 52px;
}

.ckc-tool-card,
.ckc-info {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}

.ckc-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.ckc-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
}

.ckc-form input,
.ckc-form select {
  border-radius: 12px;
  border: 1px solid #cfe0ff;
  padding: 10px 12px;
  font-size: 1rem;
}

.ckc-form button {
  grid-column: 1 / -1;
  border: none;
  border-radius: 999px;
  padding: 12px;
  font-weight: 600;
  cursor: pointer;
  background: #0f6efc;
  color: #fff;
}

.ckc-results {
  border: 1px solid #dbeafe;
  border-radius: 18px;
  padding: 16px;
  background: #f8fbff;
}