/* style.css - BTVN Buổi 2, Lần 1, mã đề F (Hiệu sách)
   CSS external là cách chính cho toàn trang. */

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #1e293b;
  background-color: #f8fafc;
  margin: 0;
}

header {
  background-color: #475569;
  color: #ffffff;
  padding: 24px;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px;
}

h1, h2 {
  margin-top: 0;
}

.book-shelf {
  margin-bottom: 30px;
}

.cards {
  margin: 16px 0;
}

.card {
  display: inline-block;
  vertical-align: top;
  width: 230px;
  box-sizing: border-box;
  background-color: #ffffff;
  padding: 16px;
  margin: 0 14px 20px 0;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(71, 85, 105, 0.1);
}

figure {
  margin: 0 0 12px 0;
  text-align: center;
}

.card-image {
  width: 100%;
  height: 120px;
  object-fit: contain;
}

figcaption {
  font-size: 0.8em;
  color: #64748b;
  font-style: italic;
  margin-top: 4px;
}

.card-title {
  margin: 0 0 6px;
  color: #334155;
  font-size: 1.05em;
}

.author {
  color: #64748b;
  font-size: 0.85em;
  margin: 0 0 8px;
}

.summary {
  font-size: 0.85em;
  line-height: 1.4;
  color: #475569;
  margin-bottom: 10px;
}

.badge {
  display: inline-block;
  background-color: #f1f5f9;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8em;
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  background-color: #475569;
  color: #ffffff;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85em;
}

#card-noi-bat {
  border: 2px solid #334155;
  background-color: #fefce8;
  box-shadow: 0 6px 16px rgba(51, 65, 85, 0.2);
}

/* Bảng xuất bản */
table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
  margin-top: 12px;
}

th, td {
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  text-align: left;
}

th {
  background-color: #475569;
  color: #ffffff;
}

.row-le {
  background-color: #f8fafc;
}

.row-chan {
  background-color: #ffffff;
}

footer {
  padding: 20px 24px;
  color: #64748b;
}