/* 채팅 위젯 전용 스타일 (사이트 공통 스타일은 site.css) */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* ===== 채팅 위젯 ===== */

#chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 플로팅 버튼 */
.chat-toggle-btn {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.chat-toggle-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chat-toggle-btn:active {
    transform: scale(0.95);
}

/* 읽지 않은 메시지 배지 */
.unread-badge {
    position: absolute;
    top: 0;
    right: 0;
    width: 16px;
    height: 16px;
    background: var(--error-color);
    border-radius: 50%;
    border: 2px solid white;
    display: none;
}

.unread-badge.visible {
    display: block;
}

/* 채팅창 */
.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 550px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s ease;
}

.chat-window.hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

/* 헤더 */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--primary-color);
    color: white;
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.title {
    font-weight: 600;
    display: block;
}

.subtitle {
    font-size: 12px;
    opacity: 0.8;
}

.close-btn {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background 0.2s;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 메시지 영역 */
.messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--secondary-color);
}

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

.messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* 메시지 버블 */
.message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
    animation: slideIn 0.3s ease;
}

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

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

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

.message-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    line-height: 1.5;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.bot-message .message-bubble {
    background: white;
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.user-message .message-bubble {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.bot-message .message-time {
    margin-left: 4px;
}

.user-message .message-time {
    margin-right: 4px;
}

/* 입력 영역 */
.chat-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: white;
    border-top: 1px solid var(--border-color);
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    outline: none;
    font-size: 14px;
    transition: border-color 0.2s;
}

.chat-input:focus {
    border-color: var(--primary-color);
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.send-btn:hover {
    background: var(--primary-dark);
}

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

/* 타이핑 인디케이터 */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: white;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    width: fit-content;
    margin: 8px 20px;
}

.typing-indicator.hidden {
    display: none;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* 에러 메시지 */
.error-message {
    padding: 8px 12px;
    background: #fee;
    color: var(--error-color);
    border-radius: 8px;
    font-size: 12px;
    margin: 8px 20px;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* 이미지 업로드 버튼 */
.image-upload-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.image-upload-btn:hover {
    background: var(--secondary-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 이미지 프리뷰 */
.image-preview {
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.image-preview.hidden {
    display: none;
}

.preview-container {
    position: relative;
    display: inline-block;
    max-width: 200px;
}

.preview-container img {
    max-width: 100%;
    max-height: 150px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.remove-image {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--error-color);
    border: 2px solid white;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    transition: transform 0.2s;
}

.remove-image:hover {
    transform: scale(1.1);
}

/* 이미지 메시지 버블 */
.message-image {
    max-width: 250px;
    max-height: 200px;
    border-radius: 8px;
    margin-bottom: 4px;
    display: block;
}

.user-message .message-image {
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.bot-message .message-image {
    border: 1px solid var(--border-color);
}

.message-text {
    display: block;
}

/* 이미지만 있는 메시지 버블은 패딩 조정 */
.message-bubble:has(.message-image) {
    padding: 8px;
}

.message-bubble:has(.message-image) .message-text {
    margin-top: 8px;
}

/* 반응형 */
@media (max-width: 480px) {
    .chat-window {
        width: calc(100vw - 48px);
        height: 80vh;
        max-height: 600px;
    }

    #chat-widget {
        right: 24px;
        bottom: 24px;
    }
}