/* ==================== Chat 样式 ==================== */

/* Think Mode 徽章 */
.think-mode-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--color-accent-primary);
    color: white;
    font-size: 11px;
    font-weight: 500;
    border-radius: 12px;
    white-space: nowrap;
}

.think-mode-badge i {
    font-size: 12px;
}

.chat-container {
    display: flex;
    height: 100%;
}

.chat-sidebar {
    width: var(--chat-sidebar-width);
    background: var(--color-bg-input);
    border-right: 1px solid var(--color-border-default);
    display: flex;
    flex-direction: column;
}

.chat-sidebar-header {
    padding: 12px;
    border-bottom: 1px solid var(--color-border-default);
}

.chat-sessions {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.chat-session-item {
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 6px;
    transition: all 0.2s;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-session-item:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-default);
}

.chat-session-item.is-active {
    background: var(--color-bg-elevated);
    border-color: var(--color-accent-primary);
}

.chat-session-info {
    flex: 1;
    min-width: 0;
}

.chat-session-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-session-date {
    font-size: 10px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.chat-session-delete {
    opacity: 0;
    padding: 4px 6px;
    border-radius: 4px;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-session-item:hover .chat-session-delete {
    opacity: 1;
}

.chat-session-delete:hover {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(217, 119, 87, 0.06) 0%, transparent 160px);
}

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

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: radial-gradient(circle at 22% 10%, rgba(217, 119, 87, 0.06), transparent 180px);
}

.chat-input-container {
    padding: 12px 16px;
    border-top: 1px solid var(--color-border-default);
}

.chat-input-wrapper {
    border: 1px solid rgba(217, 119, 87, 0.18);
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(217, 119, 87, 0.06) 0%, rgba(217, 119, 87, 0.02) 100%);
    padding: 12px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 8px 24px rgba(217, 119, 87, 0.12);
}

.chat-input-wrapper.is-streaming {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.15);
}

.chat-input {
    width: 100%;
    border: none;
    background: transparent;
    resize: none;
    font-family: var(--font-family-base);
    font-size: 14px;
    color: var(--color-text-primary);
    outline: none;
    line-height: 1.5;
    min-height: var(--chat-input-min-height);
}

.chat-input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    gap: 8px;
}

.chat-input-actions .btn {
    min-height: 36px;
    border-radius: 10px;
}

.chat-input-actions .btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.chat-message {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 4px 2px;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
}

.chat-message--user {
    flex-direction: row-reverse;
}

.chat-message:hover {
    transform: translateY(-1px);
}

.chat-message-body {
    max-width: 860px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    box-sizing: border-box;
}

.chat-message--user .chat-message-body {
    align-items: flex-end;
    text-align: right;
}

.chat-message-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    color: var(--color-text-secondary);
    font-size: 12px;
}

.chat-message-author {
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.2px;
}

.chat-message-tags {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.chat-tag {
    padding: 3px 9px;
    border-radius: 999px;
    border: 1px solid var(--color-border-default);
    background: var(--color-bg-input);
    color: var(--color-text-secondary);
    font-size: 11px;
    line-height: 1.3;
}

.chat-tag--ai {
    background: linear-gradient(135deg, rgba(217, 119, 87, 0.16), rgba(217, 119, 87, 0.08));
    border-color: rgba(217, 119, 87, 0.28);
    color: var(--color-text-primary);
}

.chat-tag--user {
    background: linear-gradient(135deg, rgba(36, 36, 36, 0.08), rgba(36, 36, 36, 0.03));
    color: var(--color-text-secondary);
}

.chat-tag--status {
    background: linear-gradient(135deg, rgba(102, 187, 106, 0.18), rgba(102, 187, 106, 0.08));
    border-color: rgba(102, 187, 106, 0.32);
    color: var(--color-success);
}

.chat-tag--ghost {
    background: transparent;
    border-style: dashed;
    opacity: 0.75;
}

.chat-message-avatar {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.chat-message-avatar--ai {
    background: linear-gradient(135deg, var(--color-accent-primary), #e88b6a);
    color: white;
}

.chat-message-avatar--user {
    background: linear-gradient(135deg, #4b5563, #6b7280);
    color: white;
}

.chat-message-content {
    padding: 14px 18px;
    border-radius: 12px;
    line-height: 1.7;
    max-width: 100%;
    font-size: 14px;
    background: radial-gradient(circle at 10% 20%, rgba(217, 119, 87, 0.06), var(--color-bg-elevated));
    border: 1px solid rgba(217, 119, 87, 0.14);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.04);
    word-wrap: break-word;
    overflow-wrap: anywhere;
    word-break: break-word;
    backdrop-filter: blur(4px);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
}

/* Markdown 有序/无序列表防溢出与缩进 */
.chat-message-content ol,
.chat-message-content ul {
    padding-left: 1.25em;
    margin: 8px 0 8px 0;
    list-style-position: inside;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.chat-message-content li {
    margin: 4px 0;
    line-height: 1.6;
    overflow-wrap: anywhere;
    word-break: break-word;
    list-style-position: inside;
}

.chat-message-content li p {
    margin: 4px 0;
}

.chat-message-content li code {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.chat-message-content li pre {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.chat-message--user .chat-message-content {
    background: linear-gradient(135deg, var(--color-accent-primary), #e88b6a);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 18px rgba(217, 119, 87, 0.28);
}

.chat-message--assistant .chat-message-content {
    background: linear-gradient(135deg, rgba(217, 119, 87, 0.06), var(--color-bg-elevated));
    border-color: rgba(217, 119, 87, 0.18);
}

/* AI消息操作栏 */
.chat-message-actions {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    margin-left: 38px;
    opacity: 0;
    transition: opacity 0.2s;
}

.chat-message--user .chat-message-actions {
    margin-left: 0;
    margin-right: 38px;
    justify-content: flex-end;
}

.chat-message:hover .chat-message-actions {
    opacity: 1;
}

.chat-message-action-btn {
    padding: 4px 8px;
    border: 1px solid var(--color-border-default);
    background: var(--color-bg-elevated);
    border-radius: 4px;
    font-size: 11px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.chat-message-action-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-accent-primary);
}

.chat-message-action-btn i {
    font-size: 12px;
}

.chat-message-action-btn.copied {
    color: var(--color-success);
    border-color: var(--color-success);
}

/* Chat 代码块样式 */
.chat-message-content pre {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    padding: 12px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    margin: 8px 0;
}

/* 媒体自适应，防止溢出 */
.chat-message-content img,
.chat-message-content video,
.chat-message-content canvas,
.chat-message-content iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

.chat-message-content code {
    font-family: var(--font-family-mono);
    font-size: 12px;
    border-radius: 4px;
}

.chat-message-content pre code {
    background: transparent;
    border: none;
    padding: 0;
}

.chat-message-content :not(pre) > code {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    padding: 2px 6px;
    font-size: 12px;
}

/* 用户消息中的代码样式 */
.chat-message--user .chat-message-content code {
    color: white;
}

.chat-message--user .chat-message-content :not(pre) > code {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.chat-message--user .chat-message-content pre {
    background: rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* 深色主题调整 */
[data-theme="dark"] .chat-message-content :not(pre) > code {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ==================== Thinking Block Styles ==================== */
.thinking-block {
    background: linear-gradient(135deg, #fff5e6 0%, #ffe8cc 100%);
    border: 1px solid #ffcc80;
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.1);
    transition: all 0.2s ease;
}

[data-theme="dark"] .thinking-block {
    background: linear-gradient(135deg, #2a2315 0%, #332a1a 100%);
    border-color: #4a3a1f;
    box-shadow: 0 2px 8px rgba(255, 152, 0, 0.05);
}

.thinking-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-primary);
    user-select: none;
    transition: background 0.2s;
}

.thinking-header:hover {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .thinking-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.thinking-header i:first-child {
    color: #ff9800;
    font-size: 14px;
}

.thinking-expand-icon {
    margin-left: auto;
    color: var(--color-text-secondary);
    font-size: 16px;
    transition: transform 0.2s;
}

.thinking-inline-spinner {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: 10px;
}

.thinking-inline-spinner .spinner-dot {
    width: 6px;
    height: 6px;
}

/* Thinking Loading State */
.thinking-loading {
    padding: 16px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thinking-spinner {
    display: flex;
    gap: 8px;
    align-items: center;
}

.spinner-dot {
    width: 8px;
    height: 8px;
    background: #ff9800;
    border-radius: 50%;
    animation: thinkingBounce 1.4s infinite ease-in-out both;
}

.spinner-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes thinkingBounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* Thinking Content */
.thinking-content {
    padding: 0 12px 8px;
    max-height: 400px;
    overflow-y: auto;
}

.thinking-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: var(--font-family-mono);
    font-size: 12px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Thinking content formatting */
.thinking-content p {
    margin: 8px 0;
}

.thinking-content p:first-child {
    margin-top: 0;
}

.thinking-content p:last-child {
    margin-bottom: 0;
}

.thinking-content code {
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    padding: 2px 6px;
    font-family: var(--font-family-mono);
    font-size: 11px;
}

[data-theme="dark"] .thinking-content code {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.thinking-content pre {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    padding: 10px;
    overflow-x: auto;
    margin: 8px 0;
}

[data-theme="dark"] .thinking-content pre {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.thinking-content pre code {
    background: transparent;
    border: none;
    padding: 0;
}

/* Thinking content scrollbar */
.thinking-content::-webkit-scrollbar {
    width: 6px;
}

.thinking-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.thinking-content::-webkit-scrollbar-thumb {
    background: rgba(255, 152, 0, 0.4);
    border-radius: 3px;
}

.thinking-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 152, 0, 0.6);
}