.ai-assistant-messages,
.ai-assistant-file-upload-area,
.ai-assistant-file-list,
.ai-assistant-progress-container {
    margin-bottom: 0.5rem;
}

.ai-assistant-messages,
.ai-assistant-message,
.ai-assistant-file-item {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
}

.ai-assistant-messages {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-bottom: 20px;
    overflow-y: auto;
    height: 100%;
    max-height: calc(100vh - 280px);
}

.ai-assistant-message.user,
.ai-assistant-file-drop-zone,
.ai-assistant-file-item {
    border-radius: 4px;
}

.ai-assistant-file-drop-zone,
.ai-assistant-file-item {
    background-color: #f8f9fa;
    border-radius: 4px;
}

.ai-assistant-message-avatar,
.ai-assistant-progress-bar {
    background-color: #e9ecef;
}

.ai-assistant-message-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-assistant-message-content {
    flex-grow: 1;
    overflow-wrap: break-word;
}

.ai-assistant-file-upload-area {
    padding: 0.5rem;
    border: none;
}

.ai-assistant-file-drop-zone {
    text-align: center;
    padding: 1rem;
    cursor: pointer;
    border: 2px dashed #dee2e6;
}

.ai-assistant-file-item {
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.ai-assistant-progress-bar {
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
}

.ai-assistant-progress-fill {
    height: 100%;
    background-color: #0d6efd;
    transition: width 0.3s ease;
}

.ai-assistant-modal {
    position: fixed;
    right: 0;
    top: 0;
    width: 50vw;
    height: 100vh;
    background: none;
    display: none;
    overflow-y: auto;
    pointer-events: none;
}

.ai-assistant-modal.show {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-right: 2rem;
}

.ai-assistant-modal-content {
    pointer-events: auto;
    background-color: #fff;
    margin: 2vh 0;
    padding: 0;
    width: calc(100% - 2rem);
    min-width: 300px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: 96vh;
}

.ai-assistant-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #e9ecef;
    background-color: #f8f9fa;
    border-radius: 12px 12px 0 0;
}

.ai-assistant-modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.ai-assistant-modal-body {
    flex: 1;
    padding: 1rem;
    padding-bottom: calc(1rem + 180px);
    height: calc(100% - 60px);
}

.ai-assistant-close {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    color: #000;
    opacity: 0.5;
    cursor: pointer;
    padding: 0.5rem;
}

.ai-assistant-close:hover {
    opacity: 0.75;
}

.ai-assistant-header-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.ai-assistant-clear-btn {
    background: none;
    border: none;
    color: #6c757d;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
}

.ai-assistant-clear-btn:hover {
    color: #dc3545;
    background-color: rgba(220, 53, 69, 0.1);
}

[data-bs-theme="dark"] .ai-assistant-modal-content {
    background-color: var(--bs-dark);
}

[data-bs-theme="dark"] .ai-assistant-modal-header {
    background-color: var(--bs-gray-800);
    border-bottom-color: var(--bs-border-color);
}

/* ボタンコンテナ */
.button-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 15px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.ai-assistant-modal .button-container {
    position: fixed;
    width: calc(100% - 2px);
    left: 1px;
    border-radius: 0 0 3px 3px;
    bottom: 1px;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .button-container {
    background: var(--bs-dark);
}

/* 確認ダイアログのスタイル */
.ai-assistant-confirm-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1000;
}

.ai-assistant-confirm-dialog.show {
    display: block;
}

.ai-assistant-confirm-content p {
    margin: 0 0 15px 0;
    text-align: center;
}

.ai-assistant-confirm-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* メッセージ入力エリア */
.ai-assistant-form {
    padding: 16px;
    border-top: 1px solid #e9ecef;
    background-color: #fff;
}

.ai-assistant-input-container {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    padding: 8px;
    background: #fff;
}

.ai-assistant-textarea {
    flex: 1;
    min-height: 24px;
    max-height: 136px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    resize: none;
    font-size: 14px;
    line-height: 1.5;
    overflow-y: auto;
    transition: height 0.1s ease;
}

.ai-assistant-textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}

.ai-assistant-send-btn {
    padding: 8px 16px;
    border-radius: 8px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-assistant-send-btn i {
    font-size: 16px;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .ai-assistant-confirm-dialog {
    background-color: var(--bs-dark);
    border: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .ai-assistant-form {
    background-color: var(--bs-dark);
    border-top-color: var(--bs-border-color);
}

[data-bs-theme="dark"] .ai-assistant-input-container {
    background-color: var(--bs-dark);
}

[data-bs-theme="dark"] .ai-assistant-textarea {
    background-color: var(--bs-gray-800);
    border-color: var(--bs-border-color);
    color: var(--bs-light);
}

[data-bs-theme="dark"] .ai-assistant-textarea:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 2px rgba(var(--bs-primary-rgb), 0.25);
}

/* 固定フッター領域 */
.ai-assistant-modal-footer {
    position: fixed;
    bottom: 2vh;
    left: auto;
    width: calc(50vw - 4rem);
    background: #fff;
    border-radius: 0 0 12px 12px;
    z-index: 1000;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .ai-assistant-modal-footer {
    background-color: var(--bs-dark);
}

/* メッセージスタイル */
.ai-assistant-message {
    margin-bottom: 12px;
}

.ai-assistant-message.user .ai-assistant-message-content {
    background-color: #e3f2fd;
    border-radius: 4px;
    padding: 12px;
}

.ai-assistant-message:not(.user) .ai-assistant-message-content {
    background-color: #f5f5f5;
    border-radius: 4px;
    padding: 12px;
}

/* プログレスバーのスタイル */
.ai-assistant-progress-container {
    margin: 8px 0;
    display: none;
}

.ai-assistant-progress-bar {
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
    background-color: #e9ecef;
}

.ai-assistant-progress-fill {
    height: 100%;
    background-color: #0d6efd;
    transition: width 0.3s ease;
}

.ai-assistant-progress-text {
    font-size: 12px;
    color: #6c757d;
    margin-top: 4px;
    text-align: center;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .ai-assistant-message.user .ai-assistant-message-content {
    background-color: var(--bs-primary-bg-subtle);
}

[data-bs-theme="dark"] .ai-assistant-message:not(.user) .ai-assistant-message-content {
    background-color: var(--bs-gray-800);
}

[data-bs-theme="dark"] .ai-assistant-progress-bar {
    background-color: var(--bs-gray-700);
}

[data-bs-theme="dark"] .ai-assistant-progress-text {
    color: var(--bs-gray-400);
}

/* マークダウンコンテンツのスタイル */
.ai-assistant-message-content h1,
.ai-assistant-message-content h2,
.ai-assistant-message-content h3,
.ai-assistant-message-content h4,
.ai-assistant-message-content h5,
.ai-assistant-message-content h6 {
    font-size: 14px;
    margin: 0.5em 0;
    font-weight: bold;
}

.ai-assistant-message-content p {
    margin: 0.5em 0;
}

.ai-assistant-message-content pre {
    background-color: #f8f9fa;
    padding: 8px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 0.5em 0;
}

.ai-assistant-message-content code {
    font-family: monospace;
    font-size: 13px;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .ai-assistant-message.user .ai-assistant-message-content {
    background-color: var(--bs-primary-bg-subtle);
}

[data-bs-theme="dark"] .ai-assistant-message:not(.user) .ai-assistant-message-content {
    background-color: var(--bs-gray-800);
}

[data-bs-theme="dark"] .ai-assistant-message-content pre {
    background-color: var(--bs-gray-900);
}

[data-bs-theme="dark"] .ai-assistant-message-avatar {
    background-color: var(--bs-gray-700);
}

/* ユーザーメッセージは右寄せ */
.ai-assistant-message.user {
    flex-direction: row-reverse;
}

.ai-assistant-message-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e9ecef;
}

.ai-assistant-message-content {
    flex-grow: 1;
    max-width: 80%;  /* 吹き出しの最大幅を制限 */
    overflow-wrap: break-word;
}

.ai-assistant-message.user .ai-assistant-message-content {
    background-color: #e3f2fd;
    border-radius: 12px 12px 2px 12px;
    padding: 12px;
}

.ai-assistant-message:not(.user) .ai-assistant-message-content {
    background-color: #f5f5f5;
    border-radius: 12px 12px 12px 2px;
    padding: 12px;
}

/* マークダウンコンテンツのスタイル */
.ai-assistant-message-content h1,
.ai-assistant-message-content h2,
.ai-assistant-message-content h3,
.ai-assistant-message-content h4,
.ai-assistant-message-content h5,
.ai-assistant-message-content h6 {
    font-size: 14px;
    margin: 0.5em 0;
    font-weight: bold;
}

/* ファイルドロップエリアの基本スタイル */
.ai-assistant-file-drop-zone,
.ai-assistant-file-item {
    background-color: #f8f9fa;
    border-radius: 4px;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .ai-assistant-file-drop-zone,
[data-bs-theme="dark"] .ai-assistant-file-item {
    background-color: var(--bs-gray-800);
    border-color: var(--bs-gray-700);
}

[data-bs-theme="dark"] .ai-assistant-file-drop-zone:hover {
    background-color: var(--bs-gray-700);
    border-color: var(--bs-primary);
}

[data-bs-theme="dark"] .ai-assistant-file-item {
    color: var(--bs-light);
    border: 1px solid var(--bs-gray-700);
}

/* ユーザーメッセージの吹き出しスタイル */
.ai-assistant-message.user .ai-assistant-message-content {
    background-color: #e3f2fd;  /* 薄い青色 */
    border-radius: 12px 12px 2px 12px;
    padding: 12px;
}

/* AIアシスタントメッセージの吹き出しスタイル */
.ai-assistant-message:not(.user) .ai-assistant-message-content {
    background-color: #f5f5f5;  /* 薄いグレー */
    border-radius: 12px 12px 12px 2px;
    padding: 12px;
}

/* ダークモード対応 */
[data-bs-theme="dark"] .ai-assistant-message.user .ai-assistant-message-content {
    background-color: #1a4971;  /* 深い青色 */
    color: var(--bs-light);
}

[data-bs-theme="dark"] .ai-assistant-message:not(.user) .ai-assistant-message-content {
    background-color: #2d3436;  /* 深いグレー */
    color: var(--bs-light);
}