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var(--spacing-md);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600}._newBtn_1szzs_126:hover{background:var(--color-primary-hover)}._nav_1szzs_140{flex:1;overflow-y:auto;padding:var(--spacing-sm)}._chatItem_1szzs_146{display:flex;align-items:center;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);color:var(--color-text);text-decoration:none;margin-bottom:2px;gap:var(--spacing-sm)}._chatItem_1szzs_146:hover{background:var(--color-bg-tertiary);text-decoration:none}._chatItem_1szzs_146:hover ._deleteBtn_1szzs_162{opacity:.7}._active_1szzs_67{background:var(--color-primary-light)}._chatItemInfo_1szzs_170{flex:1;min-width:0}._deleteBtn_1szzs_162{opacity:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-secondary);cursor:pointer;transition:opacity .15s;flex-shrink:0}._deleteBtn_1szzs_162:hover{opacity:1!important;color:var(--color-danger)}._chatTitle_1szzs_196{display:block;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._chatMeta_1szzs_204{font-size:.75rem;color:var(--color-text-secondary)}._footer_1szzs_209{padding:var(--spacing-md);border-top:1px solid var(--color-border);display:flex;align-items:center;gap:var(--spacing-sm);font-size:.875rem}._sectionHeader_1szzs_218{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);padding:var(--spacing-xs) var(--spacing-md);margin-bottom:2px;display:flex;align-items:center;gap:4px}._sectionIcon_1szzs_230{font-size:.8rem}._overlay_1szzs_234{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200}._popup_1szzs_244{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);max-width:600px;width:90%;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 8px 32px #0003}._popupHeader_1szzs_256{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:1px solid var(--color-border);font-weight:600}._closeBtn_1szzs_265{background:none;border:none;cursor:pointer;font-size:1rem;color:var(--color-text-secondary);padding:4px}._backBtn_1szzs_274{background:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;color:var(--color-text-secondary);padding:2px 8px}._backBtn_1szzs_274:hover{color:var(--color-text);border-color:var(--color-text-secondary)}._emptyState_1szzs_289{color:var(--color-text-secondary);font-size:.85rem;text-align:center;padding:var(--spacing-lg)}._closeBtn_1szzs_265:hover{color:var(--color-text)}._popupBody_1szzs_300{padding:var(--spacing-md);overflow-y:auto}._settingsLink_1szzs_305{color:var(--color-primary);font-weight:500}._userName_1szzs_310{flex:1;text-align:right;color:var(--color-text-secondary)}._logoutBtn_1szzs_316{background:none;border:1px solid var(--color-border);padding:4px 8px;border-radius:var(--radius-sm);cursor:pointer;font-size:.75rem;color:var(--color-text-secondary)}._logoutBtn_1szzs_316:hover{color:var(--color-danger);border-color:var(--color-danger)}._avatarBtn_1szzs_331{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:none;background:none;cursor:pointer;padding:0;overflow:hidden;flex-shrink:0}._avatarBtn_1szzs_331:hover{opacity:.8}._avatar_1szzs_331{width:28px;height:28px;border-radius:50%;display:block}._main_1mcro_1{position:fixed;right:0;bottom:0;left:var(--sidebar-collapsed-width);top:0;display:flex;flex-direction:column;transition:left .2s ease;z-index:100}._mainExpanded_1mcro_13{left:var(--sidebar-width)}@media(max-width:768px){._main_1mcro_1{left:0;z-index:inherit}._mainExpanded_1mcro_13{left:0}}._overlay_1mcro_27{display:none}@media(max-width:768px){._overlay_1mcro_27{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:90}}:root{--color-bg: #ffffff;--color-bg-secondary: #f5f5f5;--color-bg-tertiary: #e8e8e8;--color-text: #1a1a1a;--color-text-secondary: #666666;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #dbeafe;--color-border: #e5e5e5;--color-danger: #dc2626;--color-success: #16a34a;--color-user-msg: var(--color-primary);--color-user-msg-text: #ffffff;--color-assistant-msg: var(--color-bg-secondary);--color-tool-msg: var(--color-bg-tertiary);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Consolas", monospace;--sidebar-width: 280px;--sidebar-collapsed-width: 52px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased}input,button,textarea,select{font:inherit}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}