/* ========================================
   MESSAGE.CSS - Message Section Styles
   ======================================== */

/* Message Section Container */
#messageSection {
    padding-bottom: 2rem;
}

/* Message Header */
.message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding: 0 0.5rem;
}

.message-header h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.new-message-btn {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.new-message-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.new-message-btn:active {
    transform: scale(1);
}

/* Message Search */
.message-search {
    position: relative;
    margin-bottom: 1.5rem;
}

.message-search i {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
    pointer-events: none;
}

.message-search input {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem 3.5rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.message-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
}

.message-search input::placeholder {
    color: var(--text-secondary);
}

/* Message List */
.message-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Message Item */
.message-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.message-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transform: translateX(3px);
}

.message-item.unread {
    background: rgba(33, 150, 243, 0.05);
    border-color: var(--primary-light);
}

.message-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    border-radius: 12px 0 0 12px;
}

/* Message Avatar */
.message-avatar {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 1.5rem;
    flex-shrink: 0;
    position: relative;
}

.message-avatar img {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    object-fit: cover;
}

.online-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: var(--success-color);
    border: 3px solid var(--surface-color);
    border-radius: 50%;
}

/* Message Content */
.message-content {
    flex: 1;
    min-width: 0;
}

.message-header-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.message-header-info h6 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.message-preview {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.message-item.unread .message-preview {
    font-weight: 600;
    color: var(--text-primary);
}

/* Unread Badge */
.unread-badge {
    min-width: 22px;
    height: 22px;
    background: var(--primary-color);
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
    flex-shrink: 0;
}

/* Message Actions */
.message-actions {
    display: none;
    gap: 0.5rem;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.message-item:hover .message-actions {
    display: flex;
}

.message-action-btn {
    width: 32px;
    height: 32px;
    background: var(--background-color);
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.message-action-btn:hover {
    background: var(--primary-color);
    color: #FFFFFF;
}

/* Empty Message State */
.message-empty-state {
    text-align: center;
    padding: 4rem 2rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.message-empty-state i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.message-empty-state h5 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.message-empty-state p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.message-empty-state .btn {
    padding: 0.75rem 1.5rem;
}

/* Message Filters */
.message-filters {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding: 0.75rem 0;
    margin-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
}

.message-filters::-webkit-scrollbar {
    display: none;
}

.message-filter-btn {
    padding: 0.5rem 1.25rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.message-filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.message-filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #FFFFFF;
}

/* Message Group */
.message-group {
    margin-bottom: 2rem;
}

.message-group-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
}

/* Message Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.typing-dots {
    display: flex;
    gap: 0.3rem;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

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

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

/* Message Skeleton Loading */
.message-skeleton {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 0.5rem;
}

.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, var(--background-color) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-avatar {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-message-content {
    flex: 1;
}

.skeleton-text {
    height: 12px;
    margin-bottom: 0.5rem;
}

.skeleton-text.short {
    width: 40%;
}

.skeleton-text.medium {
    width: 70%;
}

/* Pinned Messages */
.pinned-message {
    border: 2px solid var(--warning-color);
}

.pinned-message::after {
    content: '📌';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 1rem;
}

/* Message Reaction Preview */
.message-reaction-preview {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
}

.reaction-emoji {
    font-size: 0.85rem;
}

/* Archive Button */
.archive-btn {
    background: var(--warning-color);
}

.archive-btn:hover {
    background: #F57C00;
}

/* Delete Button */
.delete-btn {
    background: var(--error-color);
}

.delete-btn:hover {
    background: #D32F2F;
}

/* Responsive Design */
@media (max-width: 576px) {
    .message-header h4 {
        font-size: 1.2rem;
    }
    
    .new-message-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
    
    .message-search input {
        padding: 0.75rem 0.85rem 0.75rem 3rem;
        font-size: 0.9rem;
    }
    
    .message-search i {
        left: 1rem;
        font-size: 0.95rem;
    }
    
    .message-item {
        padding: 1rem;
        gap: 0.85rem;
    }
    
    .message-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .message-avatar img {
        width: 50px;
        height: 50px;
    }
    
    .online-indicator {
        width: 12px;
        height: 12px;
        border-width: 2px;
    }
    
    .message-header-info h6 {
        font-size: 0.95rem;
    }
    
    .message-time {
        font-size: 0.75rem;
    }
    
    .message-preview {
        font-size: 0.85rem;
    }
    
    .unread-badge {
        min-width: 20px;
        height: 20px;
        font-size: 0.7rem;
    }
    
    .message-actions {
        display: none !important;
    }
    
    .message-filters {
        gap: 0.5rem;
        padding: 0.5rem 0;
    }
    
    .message-filter-btn {
        padding: 0.45rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 400px) {
    .message-empty-state {
        padding: 3rem 1rem;
    }
    
    .message-empty-state i {
        font-size: 3rem;
    }
    
    .message-empty-state h5 {
        font-size: 1.2rem;
    }
    
    .message-empty-state p {
        font-size: 0.9rem;
    }
}

/* Dark Mode Adjustments */
body.dark-mode .message-item.unread {
    background: rgba(33, 150, 243, 0.1);
}

body.dark-mode .message-action-btn {
    background: rgba(255, 255, 255, 0.1);
}

body.dark-mode .message-action-btn:hover {
    background: var(--primary-color);
}

body.dark-mode .skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, rgba(255,255,255,0.05) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
}

body.dark-mode .online-indicator {
    border-color: var(--surface-color);
}