body {
    font-family: Arial, sans-serif;
    color: #333;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 0.5rem;
    border: 1px solid #4a5568;
    border-radius: 0.375rem;
    width: 100%;
    box-sizing: border-box;
}

/* スクロールバーのデザインを変更 */
.side-menu::-webkit-scrollbar {
    width: 2px;
    height: 100px;
}
.side-menu::-webkit-scrollbar-thumb {
    background-color: #717171;
}
.side-menu::-webkit-scrollbar-track {
    background: transparent;
}

/* チャットmarkdownのCSS */
.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown p{
    margin-bottom: 15px;
}
.markdown p:last-child{
    margin-bottom: 0px;
}
.markdown li{
    margin-bottom: 10px;
}
.markdown ol{
    margin-bottom: 15px;
}

.markdown h1{
    font-size: 22px;
    font-weight: bold;
}
.markdown h2{
    font-size: 20px;
    font-weight: bold;
}
.markdown h3 {
    font-size: 18px;
    border-bottom: 2px solid #f0f0f0;
    font-weight: bold;
    padding-bottom: 3px;
}
.markdown h4 {
    font-size: 18px;
    font-weight: bold;
}
.markdown ul,
.markdown ol {
    list-style: auto;
    padding-left: 20px;
}
.markdown pre{
    margin-bottom: 25px;
}
/* テーブル全体のデザイン */
.markdown table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    margin-bottom: 25px;
    font-size: 14px;
}
/* ヘッダーのデザイン */
.markdown thead th {
  background-color: #ececec;
  padding: 8px;
  text-align: left;
  border-bottom: 2px solid #ddd;
}
/* データセルのデザイン */
.markdown tbody td {
  padding: 8px;
  border-bottom: 1px solid #ddd;
  background-color: #ffffff;
}
/* 行のホバー効果 */
.markdown tbody tr:hover {
  background-color: #f5f5f5;
}
/* 偶数行の背景色 */
.markdown tbody tr:nth-child(even) {
  background-color: #f9f9f9;
}
/* テキストの左揃え */
.markdown th, td {
  text-align: left;
}
.markdown a {
    text-decoration: underline;
    color: blue;
  }

.user-choices-card p, 
.user-choice-button{
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    padding: 15px 10px;
    border: 3px solid #7c3aed;
    border-radius: 10px;
    background: #fff;
    color: #7c3aed;
    min-width: 115px;
}

.user-choices-card p:hover, 
.user-choice-button:hover{
    background: #7c3aed;
    color: #fff;

}
.user-choices {
    margin-top: 10px;
}

.login-popup-overlay {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.login-popup-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    position: relative;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.3);
}

.login-popup-card p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.login-popup-card .login-button {
    background-color: #7c3aed;
    color: white;
    padding: 15px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    width: fit-content;
    margin: 0px auto 8px;
    display: block;
}

.close-login-popup {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
}
.register-link{
    font-size: 12px;
    text-decoration: underline;
}
.exploration-options-container{
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    flex-wrap: wrap;
}