@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f3f4f6;
    overflow: hidden;
}

.chat-app {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 320px;
    flex-shrink: 0;
    background-color: #ffffff;
    border-right: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.sidebar-search {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.conversation-list {
    flex-grow: 1;
    overflow-y: auto;
}

.conversation-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    cursor: pointer;
    border-bottom: 1px solid #e5e7eb;
}

.conversation-item:hover {
    background-color: #f9fafb;
}

.conversation-item.active {
    background-color: #eff6ff;
    border-right: 3px solid #3b82f6;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 9999px;
    object-fit: cover;
    margin-right: 1rem;
}

.avatar-sm {
    width: 40px;
    height: 40px;
}

.conversation-info .name {
    font-weight: 600;
    color: #111827;
}

.conversation-info .last-message {
    font-size: 0.875rem;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.chat-view {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
}

.chat-header .name {
    font-weight: 600;
}

.chat-header .status {
    font-size: 0.875rem;
    color: #6b7280;
}

.chat-body {
    flex-grow: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.message {
    display: flex;
    margin-bottom: 1rem;
    max-width: 75%;
}

.message-bubble {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.message.sent {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.sent .message-bubble {
    background-color: #3b82f6;
    color: #ffffff;
    border-bottom-right-radius: 0.25rem;
}

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

.message.received .message-bubble {
    background-color: #ffffff;
    color: #111827;
    border: 1px solid #e5e7eb;
    border-bottom-left-radius: 0.25rem;
}

.message-time {
    font-size: 0.75rem;
    color: #9ca3af;
    align-self: flex-end;
    margin: 0 0.5rem;
}

.chat-footer {
    padding: 1rem 1.5rem;
    background-color: #ffffff;
    border-top: 1px solid #e5e7eb;
}