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.15s}.auth-btn:hover{background:var(--accent-hover)}.auth-btn:disabled{opacity:.5;cursor:not-allowed}.auth-error{color:#ef4444;font-size:12px;margin-top:8px}.auth-links{margin-top:16px;text-align:center;font-size:13px;color:var(--muted)}.auth-links a{color:var(--accent);text-decoration:none}.social-buttons{display:flex;flex-direction:column;gap:8px;margin-bottom:4px}.social-btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;padding:9px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:13.5px;cursor:pointer;transition:background .15s,border-color .15s}.social-btn:hover{background:var(--bg-hover, rgba(0,0,0,.04));border-color:var(--accent)}.auth-divider{display:flex;align-items:center;gap:10px;margin:14px 0;color:var(--muted);font-size:12px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.page-shell{flex:1;overflow-y:auto;padding:28px 20px}.page-inner{max-width:680px;margin:0 auto}.page-title{font-size:19px;font-weight:700;margin-bottom:18px}.panel-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:14px}.fact-item{display:flex;align-items:flex-start;gap:10px;padding:7px 0;border-bottom:1px solid var(--border)}.fact-item:last-child{border-bottom:none}.fact-key{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;min-width:80px;padding-top:2px}.fact-val{flex:1;font-size:13px}.proj-item{border:1px solid var(--border);border-radius:10px;padding:13px;margin-bottom:10px}.proj-name{font-weight:600;margin-bottom:5px}.proj-context{font-size:13px;color:var(--muted);white-space:pre-wrap}.proj-actions{display:flex;gap:8px;margin-top:10px}.btn{padding:6px 14px;border-radius:7px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:13px}.btn:hover{background:var(--bg)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{color:#ef4444;border-color:#ef4444}.btn-danger:hover{background:#fef2f2}.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.form-label{font-size:12px;font-weight:600}.form-input,.form-textarea{padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:13px;font-family:inherit;outline:none}.form-input:focus,.form-textarea:focus{border-color:var(--accent)}.form-textarea{resize:vertical;min-height:80px}@media (max-width: 640px){.chat-shell{padding:0;gap:0;height:100dvh}.sidebar{position:fixed;left:0;top:0;z-index:200;width:260px;min-width:260px;height:100dvh;border-radius:0;transform:translate(-100%);transition:transform .22s cubic-bezier(.4,0,.2,1)}.sidebar.open{transform:translate(0);box-shadow:4px 0 24px #0000002e}.chat-main{border-radius:0;border:none;width:100%;min-width:0}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:199;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.chat-topbar{height:56px;padding:0 14px;gap:8px;border-bottom:1px solid var(--border)}}.search-status{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text-muted);margin-top:6px;padding:5px 0}.search-spinner{width:11px;height:11px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.sources-card{margin-top:8px;border:1px solid var(--border);border-radius:8px;overflow:hidden;font-size:12px}.sources-toggle{display:flex;align-items:center;gap:6px;width:100%;padding:6px 10px;background:var(--surface);border:none;color:var(--text-muted);cursor:pointer;font-size:12px;text-align:left}.sources-toggle:hover{color:var(--text);background:var(--surface-2, #2a2a3a)}.sources-chevron{margin-left:auto;font-size:9px}.sources-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}.source-item{display:flex;align-items:baseline;gap:6px;padding:5px 10px;color:var(--text-muted);text-decoration:none;border-bottom:1px solid var(--border);transition:background .15s;overflow:hidden}.source-item:last-child{border-bottom:none}.source-item:hover{background:var(--surface);color:var(--accent)}.source-index{flex-shrink:0;font-weight:600;color:var(--accent)}.source-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.feedback-done-label{font-size:11px;color:var(--accent);padding:2px 6px;opacity:.85;white-space:nowrap}.about-menu-wrap{position:relative;display:inline-flex;align-items:center}.about-menu-btn{background:none;border:none;cursor:pointer;font-size:11px;color:var(--muted);padding:2px 6px;border-radius:4px;transition:color .15s,background .15s;white-space:nowrap}.about-menu-btn:hover{color:var(--accent);background:var(--surface)}.about-dropdown{position:absolute;bottom:calc(100% + 6px);left:0;background:var(--surface, #fff);border:1px solid var(--border, #e2e8f0);border-radius:8px;box-shadow:0 -4px 16px #0000001f;min-width:160px;overflow:hidden;z-index:200;animation:dropup-in .15s ease}@keyframes dropup-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.about-item{display:block;padding:9px 14px;font-size:12px;color:var(--text, #1e293b);text-decoration:none;transition:background .12s,color .12s;border-bottom:1px solid var(--border, #e2e8f0)}.about-item:last-child{border-bottom:none}.about-item:hover{background:var(--surface-2, #f1f5f9);color:var(--accent)}.chat-window-body{flex:1;display:flex;flex-direction:column;min-height:0}.welcome-mode{justify-content:center}.welcome-mode .messages-area{flex:0 0 auto;overflow:hidden;padding:0}.welcome-mode .empty-state{padding-top:30px;padding-bottom:6px}.welcome-mode .input-area{padding-top:2px}.welcome-textarea{min-height:120px!important}