/* AIチャットボット スタイル */

/* 上下に動くアニメーション */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* チャットボタン（右下固定） */
.chatbot-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    transition: all 0.3s ease;
    border: none;
    animation: float 2s ease-in-out infinite;
}

.chatbot-button:hover {
    transform: scale(1.1) translateY(0);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.6);
    animation-play-state: paused;
}

.chatbot-button svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.chatbot-button.active {
    background: #ff4757;
    animation-play-state: paused;
}

/* チャットウィンドウ */
.chatbot-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    height: 680px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    z-index: 9999;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.chatbot-window.active {
    display: flex;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ヘッダー */
.chatbot-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chatbot-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.chatbot-title h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.chatbot-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    opacity: 0.9;
    margin-top: 4px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.chatbot-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* メッセージエリア */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 3px;
}

/* メッセージバブル */
.message {
    display: flex;
    gap: 10px;
    animation: messageSlide 0.3s ease;
}

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

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #667eea;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: #4ade80;
}

.message-content {
    max-width: 70%;
}

.message-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
    line-height: 1.5;
    font-size: 14px;
}

.message.bot .message-bubble {
    background: white;
    color: #2d3748;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.message.user .message-bubble {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom-right-radius: 4px;
    margin-left: auto;
}

.message-time {
    font-size: 11px;
    color: #a0aec0;
    margin-top: 4px;
    padding: 0 8px;
}

/* タイピングインジケーター */
.typing-indicator {
    display: none;
    padding: 12px 16px;
    background: white;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    width: fit-content;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.typing-indicator.active {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e0;
    animation: typingAnimation 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* クイック返信ボタン */
.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.quick-reply-btn {
    padding: 8px 16px;
    border: 1px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.quick-reply-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

/* 入力エリア */
.chatbot-input {
    padding: 20px;
    background: white;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 10px;
    align-items: center;
}

.chatbot-input input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 24px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.chatbot-input input:focus {
    border-color: #667eea;
}

.chatbot-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.chatbot-send-btn:hover {
    transform: scale(1.05);
}

.chatbot-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chatbot-send-btn svg {
    width: 20px;
    height: 20px;
    fill: white;
}

/* レスポンシブ対応 */
@media screen and (max-width: 767px) {
    .chatbot-window {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .chatbot-button {
        bottom: 80px;
        right: 20px;
        width: 56px;
        height: 56px;
    }
    
    .chatbot-button svg {
        width: 28px;
        height: 28px;
    }
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
    .chatbot-window {
        width: 360px;
        height: 550px;
    }
}

/* ソース情報表示 */
.source-info {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 12px;
    margin-top: 8px;
    border-left: 3px solid #667eea;
}

.source-header {
    font-size: 12px;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 8px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0;
    padding: 8px;
    background: white;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.source-item:hover {
    background: #e9ecef;
}

.source-category {
    font-size: 10px;
    padding: 2px 6px;
    background: #667eea;
    color: white;
    border-radius: 4px;
    white-space: nowrap;
}

.source-link {
    color: #495057;
    text-decoration: none;
    font-size: 13px;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
}

.source-link:hover {
    color: #667eea;
    text-decoration: underline;
}