/**
 * チャットボット用スタイル
 */

/* チャットボットのボタン */
.chat-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    height: 60px;
    border-radius: 30px;
    background-color: #0056b3;
    color: #fff;
    border: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s ease;
    padding: 0 20px;
}

.chat-button-text {
    font-size: 16px;
    font-weight: 600;
    margin-right: 10px;
    white-space: nowrap;
}

.chat-button:hover {
    background-color: #003d7e;
    transform: scale(1.03);
}

.chat-button.hidden {
    display: none;
}

/* チャットコンテナ */
.chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    height: 550px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    pointer-events: none;
}

.chat-container.expanded {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* チャットヘッダー */
.chat-header {
    background-color: #0056b3;
    color: #fff;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.chat-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.chat-actions {
    display: flex;
    align-items: center;
}

.chat-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 0 5px;
}

/* チャットメッセージエリア */
.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: #f8f9fa;
}

/* チャットメッセージ */
.chat-message {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    max-width: 88%;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-message {
    align-self: flex-end;
}

.assistant-message,
.system-message {
    align-self: flex-start;
}

.message-content {
    padding: 12px 16px;
    border-radius: 18px;
    line-height: 1.5;
    font-size: 15px;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.user-message .message-content {
    background-color: #0056b3;
    color: #fff;
    border-bottom-right-radius: 4px;
}

.assistant-message .message-content {
    background-color: #e9ecef;
    color: #212529;
    border-bottom-left-radius: 4px;
}

.system-message .message-content {
    background-color: #ffeeba;
    color: #6c6a48;
    border-radius: 10px;
    font-style: italic;
}

.thinking-message .message-content {
    background-color: #e9ecef;
    color: #6c757d;
    position: relative;
    padding-left: 35px;
}

.thinking-message .message-content:before {
    content: "";
    position: absolute;
    left: 12px;
    top: 50%;
    width: 15px;
    height: 15px;
    margin-top: -7px;
    border: 2px solid #6c757d;
    border-radius: 50%;
    border-top-color: transparent;
    animation: thinking 1s linear infinite;
}

@keyframes thinking {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* チャット入力エリア */
.chat-input-container {
    display: flex;
    padding: 12px;
    background-color: #fff;
    border-top: 1px solid #dee2e6;
}

#chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #ced4da;
    border-radius: 20px;
    font-size: 15px;
    resize: none;
    max-height: 120px;
    overflow-y: auto;
    transition: border-color 0.3s;
}

#chat-input:focus {
    outline: none;
    border-color: #0056b3;
}

#chat-send {
    background-color: #0056b3;
    color: #fff;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin-left: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

#chat-send:hover {
    background-color: #003d7e;
}

#chat-send svg {
    width: 20px;
    height: 20px;
}

/* リンクスタイル */
.message-content a {
    color: inherit;
    text-decoration: underline;
    transition: opacity 0.3s;
}

.message-content a:hover {
    opacity: 0.8;
}

/* レスポンシブデザイン */
@media (max-width: 480px) {
    .chat-container {
        width: calc(100% - 40px);
        height: 70vh;
        bottom: 10px;
        right: 10px;
        left: 10px;
    }
    
    .chat-button {
        bottom: 10px;
        right: 10px;
        padding: 0 15px;
        height: 50px;
    }
    
    .chat-button-text {
        font-size: 14px;
    }

    #chat-box.minimized {
        /* 最小化状態のスタイル */
        transform: translateY(calc(100% - 50px));
    }

    /* 最小化状態のスタイル */
    #chat-box.minimized .chat-container {
        transform: translateY(calc(100% - 60px));
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    }

    #chat-box.minimized .chat-container:hover {
        transform: translateY(calc(100% - 70px));
    }

    /* ボタンは常に表示 */
    #chat-box.minimized #chat-button {
        display: block;
        bottom: 20px;
    }

    /* チャットが最小化されているときにヘッダーだけ表示 */
    #chat-box.minimized .chat-header {
        cursor: pointer;
        border-radius: 10px 10px 0 0;
    }
}