/* cards-common.css: Shared styles and color variables for all card game pages */
:root {
  --main-bg: #e0f7fa;
  --container-bg: #fff;
  --container-shadow: 0 2px 8px #b2ebf2;
  --container-radius: 16px;
  --container-padding: 32px;
  --main-title: #b85c38;
  --section-title: #4e944f;
  --section-title-border: 3px dashed #b2ebf2;
  --text-color: #333;
  --tip-bg: #e6f7ff;
  --tip-border: 4px solid #4e944f;
  --box-bg: #fffbe7;
  --box-border: 1px solid #f0d9ab;
}
body {
  font-family: 'Comic Sans MS', 'Arial', sans-serif;
  background-color: var(--main-bg);
  color: var(--text-color);
  margin: 0;
  padding: 20px;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--container-bg);
  border-radius: var(--container-radius);
  box-shadow: var(--container-shadow);
  padding: var(--container-padding);
}
h1 {
  color: var(--main-title);
  text-align: center;
}
h2 {
  color: var(--section-title);
  border-bottom: var(--section-title-border);
  padding-bottom: 10px;
}
p, li {
  font-size: 15px;
  line-height: 1.7;
}
.tip {
  background: var(--tip-bg);
  border-left: var(--tip-border);
  padding: 8px 16px;
  margin: 16px 0;
  border-radius: 8px;
}
.box {
  background: var(--box-bg);
  padding: 8px;
  border-radius: 6px;
  margin-bottom: 10px;
  border: var(--box-border);
}
ul, ol {
  margin: 6px 0 6px 20px;
}
.card-table {
  border-collapse: collapse;
  width: 60%;
  margin: 10px 0;
}
.card-table th, .card-table td {
  border: 1px solid #888;
  padding: 4px 6px;
  text-align: center;
  font-size: 13px;
}
.card {
  display: inline-block;
  width: 32px;
  height: 48px;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin: 2px;
  text-align: center;
  line-height: 48px;
  font-weight: bold;
}