/* ========================================
   메시지 시스템 스타일 - KEYWORK v3
   카카오톡 스타일의 개인 메시지 시스템
   ======================================== */

/* 알림 배지 스타일 */
.notification-badge {
    position: absolute !important;
    top: -5px !important;
    right: -5px !important;
    background: #ff4444 !important;
    color: white !important;
    border-radius: 10px !important;
    padding: 2px 6px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    min-width: 18px !important;
    height: 18px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3) !important;
}

/* 하단 네비게이션 알림 배지 스타일 */
.nav-notification-badge {
    position: absolute !important;
    top: -6px !important;
    right: -6px !important;
    background: #ff4444 !important;
    color: white !important;
    border-radius: 12px !important;
    padding: 2px 7px !important;
    font-size: 10px !important;
    font-weight: 700 !important;
    min-width: 20px !important;
    height: 20px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    box-shadow: 0 2px 6px rgba(255, 68, 68, 0.4) !important;
    border: 2px solid white !important;
    z-index: 10 !important;
}

/* 메시지 헤더 */
.messages-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 16px 20px !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    margin-bottom: 20px !important;
}

.messages-header h3 {
    margin: 0 !important;
    color: var(--brand-primary) !important;
    font-size: 20px !important;
    font-weight: 600 !important;
}

.messages-actions {
    display: flex !important;
    gap: 8px !important;
}

.messages-refresh-btn {
    padding: 8px 16px !important;
    background: var(--bg-tertiary) !important;
    border: none !important;
    border-radius: 8px !important;
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
}

.messages-refresh-btn:hover {
    background: var(--brand-primary) !important;
    color: white !important;
}

/* 대화방 목록 (메시지 전용) */
.messages-conversations-list {
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    overflow: hidden !important;
}

.messages-conversation-item {
    display: flex !important;
    align-items: center !important;
    padding: 16px 20px !important;
    cursor: pointer !important;
    transition: background-color 0.3s ease !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.messages-conversation-item:last-child {
    border-bottom: none !important;
}

.messages-conversation-item:hover {
    background: var(--bg-secondary) !important;
}

.messages-conversation-avatar {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    background: var(--brand-primary) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    margin-right: 16px !important;
    flex-shrink: 0 !important;
}

.messages-conversation-info {
    flex: 1 !important;
    min-width: 0 !important;
}

.messages-conversation-name {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 4px !important;
}

.messages-conversation-last-message {
    font-size: 14px !important;
    color: var(--text-secondary) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.messages-conversation-meta {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-end !important;
    gap: 4px !important;
}

.messages-conversation-time {
    font-size: 12px !important;
    color: var(--text-tertiary) !important;
}

.messages-unread-badge {
    background: #ff4444 !important;
    color: white !important;
    border-radius: 10px !important;
    padding: 2px 6px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    min-width: 18px !important;
    text-align: center !important;
}

/* 대화 없음 상태 (메시지 전용) */
.messages-no-conversations {
    text-align: center !important;
    padding: 60px 20px !important;
}

.messages-no-conversations-icon {
    font-size: 48px !important;
    margin-bottom: 16px !important;
}

.messages-no-conversations h4 {
    color: var(--text-primary) !important;
    font-size: 18px !important;
    margin-bottom: 8px !important;
}

.messages-no-conversations p {
    color: var(--text-secondary) !important;
    font-size: 14px !important;
}

/* 채팅 화면 */
.messages-chat-header {
    display: flex !important;
    align-items: center !important;
    padding: 16px 20px !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    margin-bottom: 20px !important;
}

.messages-chat-back-btn {
    width: 40px !important;
    height: 40px !important;
    border: none !important;
    background: var(--bg-tertiary) !important;
    border-radius: 50% !important;
    font-size: 18px !important;
    color: var(--text-primary) !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-right: 16px !important;
    transition: all 0.3s ease !important;
}

.messages-chat-back-btn:hover {
    background: var(--brand-primary) !important;
    color: white !important;
}

.messages-chat-user-info {
    display: flex !important;
    align-items: center !important;
}

.messages-chat-avatar {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    background: var(--brand-primary) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    margin-right: 12px !important;
}

.messages-chat-user-name {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
}

/* 채팅 메시지 영역 */
.messages-chat-messages {
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    padding: 20px !important;
    margin-bottom: 20px !important;
    height: 400px !important;
    overflow-y: auto !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
}

/* 메시지 */
.message {
    display: flex !important;
    flex-direction: column !important;
    max-width: 70% !important;
}

.message-mine {
    align-self: flex-end !important;
    align-items: flex-end !important;
}

.message-other {
    align-self: flex-start !important;
    align-items: flex-start !important;
}

.message-content {
    background: var(--bg-secondary) !important;
    border-radius: 18px !important;
    padding: 12px 16px !important;
    margin-bottom: 4px !important;
    word-wrap: break-word !important;
}

.message-mine .message-content {
    background: var(--brand-primary) !important;
    color: white !important;
}

.message-text {
    font-size: 14px !important;
    line-height: 1.4 !important;
}

.message-time {
    font-size: 11px !important;
    color: var(--text-tertiary) !important;
    margin: 0 8px !important;
}

/* 이미지 메시지 */
.message-image {
    margin-bottom: 8px !important;
}

.message-image img {
    max-width: 200px !important;
    max-height: 200px !important;
    border-radius: 12px !important;
    cursor: pointer !important;
    transition: transform 0.3s ease !important;
}

.message-image img:hover {
    transform: scale(1.02) !important;
}

/* 파일 메시지 */
.message-file {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    min-width: 200px !important;
    margin-bottom: 8px !important;
}

.file-icon {
    font-size: 24px !important;
}

.file-info {
    flex: 1 !important;
    min-width: 0 !important;
}

.file-name {
    font-size: 14px !important;
    font-weight: 500 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.file-size {
    font-size: 12px !important;
    color: var(--text-secondary) !important;
}

.file-download {
    background: rgba(255,255,255,0.2) !important;
    color: inherit !important;
    padding: 4px 8px !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    text-decoration: none !important;
    transition: background-color 0.3s ease !important;
}

.message-mine .file-download {
    background: rgba(255,255,255,0.2) !important;
}

.message-other .file-download {
    background: rgba(0,0,0,0.1) !important;
}

.file-download:hover {
    background: rgba(255,255,255,0.3) !important;
}

/* 채팅 입력 영역 */
.messages-chat-input-area {
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    padding: 16px !important;
}

.messages-chat-input-wrapper {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.file-upload-btn {
    width: 40px !important;
    height: 40px !important;
    border: none !important;
    background: var(--bg-tertiary) !important;
    border-radius: 50% !important;
    font-size: 18px !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s ease !important;
}

.file-upload-btn:hover {
    background: var(--brand-primary) !important;
    color: white !important;
}

#message-input {
    flex: 1 !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 20px !important;
    padding: 12px 16px !important;
    font-size: 14px !important;
    outline: none !important;
    transition: border-color 0.3s ease !important;
}

#message-input:focus {
    border-color: var(--brand-primary) !important;
}

.send-btn {
    background: var(--brand-primary) !important;
    color: white !important;
    border: none !important;
    border-radius: 20px !important;
    padding: 12px 20px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
}

.send-btn:hover {
    background: var(--brand-secondary) !important;
    transform: translateY(-1px) !important;
}

/* 이미지 뷰어 모달 */
.image-viewer-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0,0,0,0.9) !important;
    z-index: 10000 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.image-viewer-overlay {
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
}

.image-viewer-content {
    position: relative !important;
    max-width: 90% !important;
    max-height: 90% !important;
}

.image-viewer-content img {
    max-width: 100% !important;
    max-height: 100% !important;
    border-radius: 8px !important;
    cursor: default !important;
}

.image-viewer-close {
    position: absolute !important;
    top: -40px !important;
    right: 0 !important;
    background: rgba(255,255,255,0.2) !important;
    border: none !important;
    color: white !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    font-size: 18px !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: background-color 0.3s ease !important;
}

.image-viewer-close:hover {
    background: rgba(255,255,255,0.3) !important;
}

/* 모바일 대응 */
@media (max-width: 768px) {
    .messages-chat-messages {
        height: 300px !important;
    }
    
    .message {
        max-width: 85% !important;
    }
    
    .message-image img {
        max-width: 150px !important;
        max-height: 150px !important;
    }
    
    .message-file {
        min-width: 150px !important;
    }
    
    .conversation-item {
        padding: 12px 16px !important;
    }
    
    .conversation-avatar {
        width: 40px !important;
        height: 40px !important;
        font-size: 16px !important;
    }
    
    .messages-header {
        padding: 12px 16px !important;
    }
    
    .messages-chat-header {
        padding: 12px 16px !important;
    }
    
    .messages-chat-input-area {
        padding: 12px !important;
    }
}

/* 스크롤바 스타일 */
.messages-chat-messages::-webkit-scrollbar {
    width: 6px !important;
}

.messages-chat-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary) !important;
    border-radius: 3px !important;
}

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

.messages-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary) !important;
}

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

.message {
    animation: messageSlideIn 0.3s ease !important;
}

/* 읽지 않은 메시지 표시 */
.conversation-item.has-unread .conversation-name {
    font-weight: 700 !important;
}

.conversation-item.has-unread .conversation-last-message {
    font-weight: 500 !important;
    color: var(--text-primary) !important;
}

/* 메시지 오류 스타일 */
.messages-error {
    text-align: center !important;
    padding: 60px 20px !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
    margin: 20px 0 !important;
}

.messages-error .error-icon {
    font-size: 48px !important;
    margin-bottom: 16px !important;
}

.messages-error h3 {
    color: var(--text-primary) !important;
    font-size: 20px !important;
    font-weight: 600 !important;
    margin-bottom: 8px !important;
}

.messages-error p {
    color: var(--text-secondary) !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    margin-bottom: 20px !important;
}

.retry-btn {
    background: var(--brand-primary) !important;
    color: white !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 12px 24px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
}

.retry-btn:hover {
    background: var(--brand-secondary) !important;
    transform: translateY(-1px) !important;
}