:root {
    --primary-color: #1890ff;
    --background-color: #f0f2f5;
    --component-background-color: #ffffff;
    --text-color: #000000d9;
    --text-color-secondary: #00000073;
    --border-color: #d9d9d9;
    --header-background-color: #001529;
    --header-text-color: #ffffff;
    --chat-bubble-ai-background: rgba(240, 240, 240, 0.9);
    --chat-bubble-user-background: #1890ff;
    --chat-bubble-user-text: #ffffff;
}

[data-theme='dark'] {
    --primary-color: #177ddc;
    --background-color: #121212;
    --component-background-color: #1E1E1E;
    --text-color: rgba(255, 255, 255, 0.87);
    --text-color-secondary: rgba(255, 255, 255, 0.6);
    --border-color: #2d2d2d;
    --header-background-color: #1E1E1E;
    --header-text-color: rgba(255, 255, 255, 0.87);
    --chat-bubble-ai-background: #262626;
    --chat-bubble-user-background: #177ddc;
    --chat-bubble-user-text: #ffffff;
}


body {
    background-color: var(--background-color);
    color: var(--text-color);
}

body.with-background {
    background-image: var(--home-background) !important;
    background-size: cover !important;
    background-position: center !important;
    background-attachment: fixed !important;
}

#chat-messages-container.with-background {
    background-image: var(--chat-background) !important;
    background-size: cover !important;
    background-position: center !important;
}

.p-2.rounded-3 {
    font-size: var(--user-setting-font-size, 0.9rem);
}

@media (min-width: 768px) {
    .site-layout-content {
        padding: 0 50px;
    }
}

.content-wrapper {
    background-color: var(--component-background-color);
    padding: 24px;
    min-height: 280px;
}

.chat-bubble {
    word-break: break-word;
}

.user-message {
    white-space: pre-wrap;
}

.chat-bubble p {
    margin: 0;
    font-size: var(--user-setting-font-size, 14px);
}

.app-header-title {
    color: var(--header-text-color);
    font-size: 20px;
}

@media (max-width: 576px) {
    .app-header-title {
        font-size: 16px;
    }
}

.chat-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: var(--bg-image);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: blur(var(--user-setting-background-blur, 8px));
    transform: scale(1.1);
    z-index: 1;
}

.chat-messages {
    position: relative;
    z-index: 2;
    flex-grow: 1;
    overflow-y: auto;
    padding: 16px;
}

.chat-page-container {
    display: flex;
    height: calc(100vh - 112px);
}

.chat-sidebar {
    width: 320px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
    display: none;
}

.chat-sidebar.show {
    display: block;
}

.chat-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--component-background-color);
    flex-shrink: 0;
}

.chat-header .back-link {
    display: none;
}

.chat-header .settings-btn {
    display: block;
}

.chat-container {
    flex-grow: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    padding: 16px 8px 16px 16px;
    overflow-y: auto;
    flex-grow: 1;
}

.message-item {
    display: flex;
    margin-bottom: 16px;
    max-width: 90%;
}

.chat-messages .message-item:first-child {
    margin-top: 30px;
}

.ai-message-item {
    align-self: flex-start;
}

.user-message-item {
    align-self: flex-end;
    flex-direction: row-reverse;
    margin-right: 0;
    margin-left: auto;
}

.ai-avatar {
    margin-right: 12px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    object-fit: cover;
    flex-shrink: 0;
}

.user-avatar {
    margin-left: 12px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    object-fit: cover;
    flex-shrink: 0;
}

.message-content {
    display: flex;
    flex-direction: column;
}

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

.chat-bubble {
    padding: 8px 12px;
    border-radius: 16px;
    background-color: var(--chat-bubble-ai-background);
    color: var(--text-color);
}

.user-message-item .chat-bubble {
    background-color: var(--chat-bubble-user-background);
    color: var(--chat-bubble-user-text);
}

.message-actions {
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s;
    margin-top: 4px;
}

.message-item:hover .message-actions {
    visibility: visible;
    opacity: 1;
}

.chat-footer {
    padding: 8px;
    border-top: 1px solid var(--border-color);
    background-color: var(--component-background-color);
}

.chat-actions-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 8px;
    gap: 8px;
}

.page-padding {
    padding: 0 24px;
}

.page-padding .ant-card {
    margin-bottom: 16px;
}

.home-page-padding {
    padding: 0 24px;
}

.home-page-padding .ant-card-cover img {
    height: 180px;
}

@media (max-width: 768px) {
    .page-padding {
        padding: 0 16px;
    }

    .home-page-padding {
        padding: 0 16px;
    }

    .chat-page-container {
        height: calc(100vh - 64px);
    }
    
    .site-layout-content {
        padding: 0;
        margin-top: 0 !important;
    }

    .site-layout-content > div {
        padding: 0 !important;
        min-height: 0 !important;
    }

    .chat-sidebar {
        display: none;
    }

    .chat-header .back-link {
        display: block;
    }

    .chat-header .settings-btn {
        display: block;
    }

    .chat-settings-drawer .ant-drawer-body {
        padding: 16px;
    }
}