.tc-markdown {
    white-space: normal;
    /* 横向：宽表格/长代码在气泡内可滑动；纵向交给外层滚动 */
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
    /* flex 子项默认 min-width:auto，会撑破窄屏；与主聊/群聊气泡配合 */
    min-width: 0;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.tc-markdown > :first-child {
    margin-top: 0 !important;
}

.tc-markdown > :last-child {
    margin-bottom: 0 !important;
}

.tc-markdown p {
    margin: 0 0 0.45em 0;
}

.tc-markdown ul,
.tc-markdown ol {
    margin: 0.35em 0;
    padding-left: 1.5em;
    list-style-position: outside;
}

.tc-markdown ul {
    list-style-type: disc;
}

.tc-markdown ol {
    list-style-type: decimal;
}

.tc-markdown ul ul {
    list-style-type: circle;
}

.tc-markdown ul ul ul {
    list-style-type: square;
}

.tc-markdown li {
    margin: 0.22em 0;
}

.tc-markdown li > p {
    margin: 0.2em 0;
}

.tc-markdown pre {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
    background: #0f172a;
    color: #e5edf7;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 10px;
    padding: 0.9rem 1rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.tc-markdown pre code {
    overflow-wrap: normal;
    word-break: normal;
    color: inherit;
    background: transparent;
    text-shadow: none;
}

.tc-markdown :not(pre) > code {
    background: rgba(15, 23, 42, 0.08);
    color: #0f172a;
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 6px;
    padding: 0.08em 0.38em;
}

.tc-markdown pre code.hljs,
.tc-markdown pre .hljs {
    background: transparent !important;
    color: #e5edf7 !important;
}

.tc-markdown pre .hljs-comment,
.tc-markdown pre .hljs-quote {
    color: #94a3b8 !important;
}

.tc-markdown pre .hljs-keyword,
.tc-markdown pre .hljs-selector-tag,
.tc-markdown pre .hljs-literal,
.tc-markdown pre .hljs-name,
.tc-markdown pre .hljs-section,
.tc-markdown pre .hljs-link {
    color: #93c5fd !important;
}

.tc-markdown pre .hljs-string,
.tc-markdown pre .hljs-title,
.tc-markdown pre .hljs-attr,
.tc-markdown pre .hljs-template-tag,
.tc-markdown pre .hljs-template-variable {
    color: #86efac !important;
}

.tc-markdown pre .hljs-number,
.tc-markdown pre .hljs-symbol,
.tc-markdown pre .hljs-bullet,
.tc-markdown pre .hljs-variable,
.tc-markdown pre .hljs-type,
.tc-markdown pre .hljs-built_in,
.tc-markdown pre .hljs-builtin-name {
    color: #f9a8d4 !important;
}

.tc-markdown pre .hljs-function,
.tc-markdown pre .hljs-title.function_,
.tc-markdown pre .hljs-title.class_ {
    color: #fcd34d !important;
}

.tc-markdown pre .hljs-meta,
.tc-markdown pre .hljs-doctag,
.tc-markdown pre .hljs-regexp {
    color: #c4b5fd !important;
}

/* 保持 table 布局语义；横向滚动由 .tc-markdown 承担，避免 display:block 导致 Safari 下错乱 */
.tc-markdown table {
    display: table;
    width: max-content;
    max-width: none;
    border-collapse: collapse;
    margin: 0.5em 0;
    font-size: 0.94em;
}

.tc-markdown th,
.tc-markdown td {
    border: 1px solid rgba(0, 0, 0, 0.12);
    padding: 4px 8px;
    word-break: break-word;
    overflow-wrap: anywhere;
    vertical-align: top;
}

.tc-markdown img {
    max-width: 100%;
    height: auto;
}

.tc-markdown a.cc-local-file-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    margin: 0.08em 0;
    padding: 0.18em 0.5em;
    border-radius: 0.55em;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.28);
    color: #1d4ed8;
    text-decoration: none;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.94em;
    line-height: 1.45;
    word-break: break-all;
}

.tc-markdown a.cc-local-file-link::before {
    content: "📂";
    flex: 0 0 auto;
    opacity: 0.95;
}

.tc-markdown a.cc-local-file-link:hover {
    background: rgba(37, 99, 235, 0.18);
    border-color: rgba(37, 99, 235, 0.4);
    color: #1e40af;
}

.tc-markdown a.cc-local-file-link.cc-local-file-link-block {
    display: flex;
    width: 100%;
    margin: 0.12em 0;
    white-space: normal;
}

.tc-markdown pre.cc-local-file-code-block {
    background: rgba(15, 23, 42, 0.92);
}

.tc-markdown pre.cc-local-file-code-block code {
    display: block;
}

body.cc-local-file-preview-open {
    overflow: hidden;
}

.cc-local-file-preview-overlay {
    position: fixed;
    inset: 0;
    z-index: 120000;
    display: none;
}

.cc-local-file-preview-overlay.show {
    display: block;
}

.cc-local-file-preview-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.68);
    backdrop-filter: blur(2px);
}

.cc-local-file-preview-panel {
    position: absolute;
    inset: 24px;
    display: flex;
    flex-direction: column;
    background: #0b1020;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.cc-local-file-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    background: #111827;
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}

.cc-local-file-preview-title {
    min-width: 0;
    color: #e5e7eb;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cc-local-file-preview-close {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #e5e7eb;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

.cc-local-file-preview-close:hover {
    background: rgba(255, 255, 255, 0.14);
}

.cc-local-file-preview-frame {
    width: 100%;
    height: 100%;
    flex: 1 1 auto;
    border: none;
    background: #020617;
}

@media (max-width: 640px) {
    .cc-local-file-preview-panel {
        inset: 0;
        border-radius: 0;
        border: none;
    }
    .cc-local-file-preview-header {
        padding-top: calc(12px + env(safe-area-inset-top, 0px));
    }
}

.msg-bubble.markdown-body.tc-markdown,
.message-agent.markdown-body.tc-markdown,
.group-msg-content.markdown-body.tc-markdown,
.oasis-post-content.markdown-body.tc-markdown,
.oasis-town-speech.markdown-body.tc-markdown,
.oasis-conclusion-text.markdown-body.tc-markdown,
.oasis-conclusion-content.markdown-body.tc-markdown {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    min-width: 0;
}