.cfm-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:300;padding:24px;animation:cfm-fade-in var(--t-fast) var(--easing)}.cfm-modal{width:100%;max-width:380px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;animation:cfm-pop-in var(--t-fast) var(--easing)}.cfm-head{display:flex;align-items:center;gap:10px;padding:16px 20px 12px}.cfm-icon{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent);flex-shrink:0}.cfm-tone-danger .cfm-icon{background:color-mix(in srgb,var(--danger, #d32f2f) 14%,transparent);color:var(--danger, #d32f2f)}.cfm-title{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.cfm-body{padding:0 20px 18px;font-size:13.5px;line-height:1.55;color:var(--text-secondary, var(--text-primary))}.cfm-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px 16px;border-top:1px solid var(--border-muted);background:var(--bg-muted)}.cfm-btn{min-width:72px;padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--t-fast) var(--easing);border:1px solid transparent}.cfm-btn-ghost{background:var(--bg-surface);border-color:var(--border);color:var(--text-primary)}.cfm-btn-ghost:hover{background:var(--bg-surface-hover)}.cfm-btn-primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.cfm-btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.cfm-tone-danger .cfm-btn-primary{background:var(--danger, #d32f2f);border-color:var(--danger, #d32f2f);color:#fff}.cfm-tone-danger .cfm-btn-primary:hover{background:color-mix(in srgb,var(--danger, #d32f2f) 88%,#000);border-color:color-mix(in srgb,var(--danger, #d32f2f) 88%,#000)}@keyframes cfm-fade-in{0%{opacity:0}to{opacity:1}}@keyframes cfm-pop-in{0%{opacity:0;transform:scale(.96) translateY(4px)}to{opacity:1;transform:scale(1) translateY(0)}}.layout{display:flex;height:100vh;overflow:hidden;background:var(--bg-primary);color:var(--text-primary)}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--bg-inverted);color:#c8d0e0;display:flex;flex-direction:column;transition:width var(--t-base) var(--easing);position:sticky;top:0;height:100vh;z-index:30}[data-theme=dark] .sidebar{background:#0a0f1a}.sidebar.collapsed{width:var(--sidebar-w-collapsed)}.sidebar-header{position:relative;display:flex;align-items:center;justify-content:space-between;padding:14px 14px 14px 18px;border-bottom:1px solid 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var(--easing)}.rag-doc-item:hover{background:var(--bg-surface-hover);border-color:var(--border)}.rag-doc-row{display:flex;align-items:center;gap:8px}.rag-doc-icon{width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}.rag-doc-name{flex:1;font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rag-doc-del{width:26px;height:26px;border-radius:5px;border:0;background:transparent;color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.rag-doc-del:hover{background:var(--danger-soft);color:var(--danger)}.rag-doc-meta{display:flex;flex-wrap:wrap;gap:6px;font-size:10.5px;color:var(--text-muted);padding-left:36px}.rag-doc-meta .sep{color:var(--border-strong)}.rag-doc-status{display:inline-flex;align-items:center;gap:3px;padding:1px 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var(--border);background:var(--bg-muted)}.rag-provider-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.rag-chat-head select{height:28px;padding:0 8px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-primary);font-size:12.5px;outline:none}.rag-chat-head select:focus{border-color:var(--accent)}.rag-chat-head-spacer{flex:1}.rag-reset{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-surface);color:var(--text-secondary);font-size:12px;cursor:pointer}.rag-reset:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.rag-msg-area{flex:1;overflow-y:auto;padding:16px 18px;background:color-mix(in srgb,var(--accent) 4%,var(--bg-surface));display:flex;flex-direction:column;gap:12px}.rag-chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px;text-align:center}.rag-msg-row{display:flex;flex-direction:column;max-width:78%}.rag-msg-row.user{align-self:flex-end;align-items:flex-end}.rag-msg-row.assistant{align-self:flex-start;align-items:flex-start}.rag-msg-bubble{padding:10px 14px;border-radius:var(--radius-md);font-size:13px;line-height:1.5;word-break:break-word;white-space:pre-wrap;box-shadow:var(--shadow-sm)}.rag-msg-row.user .rag-msg-bubble{background:var(--accent);color:var(--accent-text);border-top-right-radius:4px}.rag-msg-row.assistant .rag-msg-bubble{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border);border-top-left-radius:4px}.rag-msg-meta{margin-top:4px;font-size:10.5px;color:var(--text-muted);display:flex;flex-wrap:wrap;gap:6px;padding:0 4px}.rag-msg-meta .badge{padding:1px 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