/* AIチャットウィジェット */

/* チャットボタン */
.chat-widget-button {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-teal), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(45, 109, 164, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    border: none;
}

.chat-widget-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(45, 109, 164, 0.4);
}

.chat-widget-button i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* チャットウィンドウ */
.chat-widget-window {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 380px;
    height: 600px;
    max-height: calc(100vh - 100px);
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 1001;
}

.chat-widget-window.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.chat-widget-window.expanded {
    height: calc(100vh - 100px);
}

/* チャットヘッダー */
.chat-widget-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: var(--white);
    padding: 1.25rem 1.5rem;
    border-radius: 16px 16px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-widget-header-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-widget-avatar {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.chat-widget-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.chat-widget-title h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.chat-widget-title p {
    margin: 0;
    font-size: 0.8125rem;
    opacity: 0.9;
}

.chat-widget-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

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

/* チャットメッセージエリア */
.chat-widget-messages {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    background: var(--off-white);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    gap: 0.75rem;
    animation: messageSlideIn 0.3s ease;
}

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

.bot-message {
    align-self: flex-start;
    align-items: flex-start;
}

.bot-message .chat-message-content {
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--light-gray);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 0.875rem 1.125rem;
    border-radius: 16px;
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 280px;
}

.user-message {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: var(--white);
    padding: 0.875rem 1.125rem;
    border-radius: 16px;
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 80%;
}

/* タイピングインジケーター */
.typing-indicator {
    padding: 1rem 1.125rem;
    display: flex;
    gap: 0.375rem;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--dark-gray);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-8px);
    }
}

/* チャットカード */
.cards-message {
    max-width: 100%;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    display: block;
}

.cards-message-scroll {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.cards-message-scroll::-webkit-scrollbar {
    height: 6px;
}

.cards-message-scroll::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 3px;
}

.cards-message-scroll::-webkit-scrollbar-thumb {
    background: var(--dark-gray);
    border-radius: 3px;
}

.chat-card {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    gap: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 280px;
    max-width: 280px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

.chat-card:hover {
    border-color: var(--accent-teal);
    box-shadow: 0 4px 12px rgba(92, 169, 160, 0.15);
    transform: translateY(-2px);
}

.chat-card-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.chat-card-content h4 {
    margin: 0 0 0.375rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.chat-card-content p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--dark-gray);
    line-height: 1.5;
}

/* チャット外部リンクカード */
.chat-link-card {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
    min-width: 280px;
    max-width: 280px;
    flex-shrink: 0;
    scroll-snap-align: start;
    position: relative;
}

.chat-link-card:hover {
    border-color: var(--accent-teal);
    box-shadow: 0 4px 12px rgba(92, 169, 160, 0.15);
    transform: translateY(-2px);
}

.chat-link-source-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.chat-link-content h4 {
    margin: 0 0 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.chat-link-content p {
    margin: 0 0 0.75rem;
    font-size: 0.8125rem;
    color: var(--dark-gray);
    line-height: 1.6;
}

.chat-link-content p br {
    margin-bottom: 0.25rem;
}

.chat-link-content .link-bullet {
    display: block;
    padding-left: 1.25rem;
    position: relative;
    margin-bottom: 0.125rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.chat-link-content .link-bullet::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-teal);
    font-weight: 600;
    font-size: 0.875rem;
}

.chat-link-content .link-summary {
    display: block;
    margin-top: 0.625rem;
    padding-top: 0.625rem;
    border-top: 1px solid var(--light-gray);
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 0.8125rem;
}

.chat-link-button {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--accent-teal);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.chat-link-button:hover {
    color: var(--primary-blue);
}

.chat-link-button i {
    font-size: 0.75rem;
}

/* チャットアクションボタン */
.chat-action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.chat-action-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--primary-blue);
    border-radius: 12px;
    background: white;
    color: var(--primary-blue);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.chat-action-button:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 109, 164, 0.3);
}

.chat-action-button i {
    font-size: 1rem;
}

.chat-action-button.phone-button {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.chat-action-button.phone-button:hover {
    background: var(--accent-teal);
    color: white;
    box-shadow: 0 4px 12px rgba(92, 169, 160, 0.3);
}

/* チャット入力エリア */
.chat-widget-input {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--light-gray);
    background: var(--white);
    border-radius: 0 0 16px 16px;
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.chat-widget-input textarea {
    flex: 1;
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    resize: none;
    max-height: 100px;
    transition: border-color 0.3s ease;
}

.chat-widget-input textarea:focus {
    outline: none;
    border-color: var(--accent-teal);
}

.chat-widget-send {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-size: 1.125rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.chat-widget-send:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 109, 164, 0.3);
}

.chat-widget-send:active {
    transform: translateY(0);
}

/* スクロールバー */
.chat-widget-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-widget-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-widget-messages::-webkit-scrollbar-thumb {
    background: var(--light-gray);
    border-radius: 3px;
}

.chat-widget-messages::-webkit-scrollbar-thumb:hover {
    background: var(--dark-gray);
}

/* レスポンシブ */
@media (max-width: 480px) {
    .chat-widget-window {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        bottom: 16px;
        right: 16px;
    }
    
    .chat-widget-button {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
}