/* Chat Styles */

/* Header messages button */
.header-messages {
    display: flex;
    align-items: center;
}

.header-messages .messages-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    color: var(--stripe-text-primary);
    transition: all 0.2s ease;
    position: relative;
}

.header-messages .messages-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--stripe-accent-primary);
}

.header-messages .messages-link i {
    font-size: 18px;
}

/* Chat container responsive */
.chat-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--stripe-space-xl);
    min-height: 600px;
}

@media (max-width: 1024px) {
    .chat-container {
        grid-template-columns: 300px 1fr;
        gap: var(--stripe-space-lg);
    }
}

@media (max-width: 768px) {
    .chat-container {
        grid-template-columns: 1fr;
        gap: var(--stripe-space-lg);
    }
}

/* Chat sidebar */
.chat-sidebar {
    background: var(--stripe-bg-primary);
    border: 1px solid var(--stripe-border-primary);
    border-radius: var(--stripe-radius-lg);
    padding: var(--stripe-space-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 600px;
}

.chat-sidebar h3 {
    font-size: var(--stripe-text-xl);
    font-weight: 600;
    margin-bottom: var(--stripe-space-lg);
    color: var(--stripe-text-primary);
    padding-bottom: var(--stripe-space-sm);
    border-bottom: 1px solid var(--stripe-border-primary);
}

/* Chat list */
.chat-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--stripe-space-xs);
}

.chat-list-item {
    padding: var(--stripe-space-md);
    border-radius: var(--stripe-radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    background: transparent;
}

.chat-list-item:hover,
.chat-list-item.active {
    background: var(--stripe-bg-secondary);
    border-color: var(--stripe-border-primary);
    transform: translateY(-1px);
    box-shadow: var(--stripe-shadow-sm);
}

.chat-list-item .partner-info {
    display: flex;
    align-items: center;
    gap: var(--stripe-space-sm);
}

.chat-list-item .partner-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--stripe-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
    flex-shrink: 0;
}

.chat-list-item .partner-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-list-item .partner-name {
    font-weight: 600;
    color: var(--stripe-text-primary);
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-item .partner-role {
    font-size: 12px;
    color: var(--stripe-text-secondary);
}

.chat-list-item .last-message {
    font-size: 14px;
    color: var(--stripe-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 4px;
}

.chat-list-item .timestamp {
    font-size: 12px;
    color: var(--stripe-text-muted);
    align-self: flex-end;
    margin-top: auto;
}

/* Chat thread */
.chat-thread {
    background: var(--stripe-bg-primary);
    border: 1px solid var(--stripe-border-primary);
    border-radius: var(--stripe-radius-lg);
    padding: var(--stripe-space-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 600px;
}

/* Chat header */
.chat-header {
    border-bottom: 1px solid var(--stripe-border-primary);
    padding-bottom: var(--stripe-space-md);
    margin-bottom: var(--stripe-space-lg);
}

.chat-partner-info {
    display: flex;
    align-items: center;
    gap: var(--stripe-space-md);
}

.partner-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--stripe-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
    flex-shrink: 0;
}

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

.chat-partner-info h4 {
    font-size: var(--stripe-text-lg);
    font-weight: 600;
    margin: 0;
    color: var(--stripe-text-primary);
}

.chat-partner-info span {
    font-size: var(--stripe-text-sm);
    color: var(--stripe-text-secondary);
}

/* Messages container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--stripe-space-md);
    background: var(--stripe-bg-secondary);
    border-radius: var(--stripe-radius-md);
    margin-bottom: var(--stripe-space-lg);
    scroll-behavior: smooth;
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: var(--stripe-space-md);
    min-height: 100%;
}

/* Message bubbles */
.message-bubble {
    max-width: 70%;
    padding: var(--stripe-space-sm) var(--stripe-space-md);
    border-radius: var(--stripe-radius-md);
    word-wrap: break-word;
    line-height: 1.4;
    position: relative;
}

.message-bubble.sent {
    background: var(--stripe-accent-primary);
    color: white;
    align-self: flex-end;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.message-bubble.received {
    background: var(--stripe-bg-primary);
    color: var(--stripe-text-primary);
    border: 1px solid var(--stripe-border-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--stripe-space-xs);
    gap: var(--stripe-space-sm);
}

.message-timestamp {
    font-size: 12px;
    opacity: 0.7;
    white-space: nowrap;
}

/* Message input area */
.message-input-area {
    border-top: 1px solid var(--stripe-border-primary);
    padding-top: var(--stripe-space-lg);
}

#send-message-form {
    display: flex;
    gap: var(--stripe-space-md);
    align-items: flex-end;
}

#message-input {
    flex: 1;
    padding: var(--stripe-space-md);
    border: 1px solid var(--stripe-border-primary);
    border-radius: var(--stripe-radius-md);
    font-family: inherit;
    background: var(--stripe-bg-secondary);
    color: var(--stripe-text-primary);
    font-size: 14px;
    resize: none;
    min-height: 44px;
    max-height: 120px;
    overflow-y: auto;
}

#message-input:focus {
    outline: none;
    border-color: var(--stripe-accent-primary);
    box-shadow: 0 0 0 2px rgba(204, 0, 0, 0.1);
}

#send-message-form button {
    padding: var(--stripe-space-md) var(--stripe-space-lg);
    border: none;
    border-radius: var(--stripe-radius-md);
    background: var(--stripe-accent-primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--stripe-space-xs);
    flex-shrink: 0;
    height: 44px;
}

#send-message-form button:hover {
    background: var(--stripe-accent-secondary);
    transform: translateY(-1px);
}

#send-message-form button:disabled {
    background: var(--stripe-text-muted);
    cursor: not-allowed;
    transform: none;
}

/* Loading and empty states */
.loading-chats,
.no-chats,
.empty-chat-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    text-align: center;
}

.loading-chats i,
.no-chats i,
.empty-chat-state i {
    font-size: 48px;
    margin-bottom: var(--stripe-space-lg);
    opacity: 0.5;
}

.loading-chats p,
.no-chats p,
.empty-chat-state p {
    font-size: var(--stripe-text-lg);
    color: var(--stripe-text-secondary);
    max-width: 300px;
}

.no-chats h4,
.empty-chat-state h3 {
    font-size: var(--stripe-text-xl);
    margin-bottom: var(--stripe-space-sm);
    color: var(--stripe-text-primary);
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: var(--stripe-space-xs);
    padding: var(--stripe-space-sm) var(--stripe-space-md);
    background: var(--stripe-bg-primary);
    border: 1px solid var(--stripe-border-primary);
    border-radius: var(--stripe-radius-md);
    align-self: flex-start;
    margin-bottom: var(--stripe-space-md);
}

.typing-indicator span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--stripe-text-secondary);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
.typing-indicator span:nth-child(3) { animation-delay: 0s; }

@keyframes typing {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Dark theme adjustments */
.theme-dark .chat-sidebar,
.theme-dark .chat-thread {
    background: var(--stripe-bg-primary);
    border-color: var(--stripe-border-primary);
}

.theme-dark .chat-list-item:hover,
.theme-dark .chat-list-item.active {
    background: var(--stripe-bg-secondary);
}

.theme-dark .messages-container {
    background: var(--stripe-bg-secondary);
}

.theme-dark .message-bubble.received {
    background: var(--stripe-bg-primary);
    border-color: var(--stripe-border-primary);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .chat-container {
        grid-template-columns: 1fr;
        gap: var(--stripe-space-lg);
    }

    .chat-sidebar {
        order: 2;
    }

    .chat-thread {
        order: 1;
    }

    .chat-list-item .partner-info {
        gap: var(--stripe-space-sm);
    }

    .chat-list-item .partner-avatar {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .partner-avatar {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .message-bubble {
        max-width: 85%;
    }

    #send-message-form {
        flex-direction: column;
        gap: var(--stripe-space-sm);
    }

    #send-message-form button {
        width: 100%;
        justify-content: center;
    }
}

/* Scrollbar styling */
.messages-container::-webkit-scrollbar {
    width: 6px;
}

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

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

.messages-container::-webkit-scrollbar-thumb:hover {
    background: var(--stripe-text-muted);
}

.chat-list::-webkit-scrollbar {
    width: 4px;
}

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

.chat-list::-webkit-scrollbar-thumb {
    background: var(--stripe-border-primary);
    border-radius: 2px;
}

.chat-list::-webkit-scrollbar-thumb:hover {
    background: var(--stripe-text-muted);
}