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var(--border);color:var(--text2);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;margin-right:8px;transition:all .2s;display:flex}.theme-toggle-btn:hover{background:var(--border);color:var(--text);border-color:var(--border2)}.theme-toggle-btn .lucide-sun{color:#ffb700}.theme-toggle-btn .lucide-moon{color:#8b85ff}.pdf-sidebar{border-left:1px solid var(--border);background:var(--sidebar);z-index:50;flex-direction:column;width:50%;transition:width .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;box-shadow:-10px 0 30px #0000001a}.pdf-sidebar-header{border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 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cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.chat-list{flex:1;padding-bottom:10px;overflow-y:auto}.chat-list::-webkit-scrollbar{width:4px}.chat-list::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}.messages-with-preview{width:50%}.sidebar-toggle{background:var(--surface2);border:1px solid var(--border);width:32px;height:32px;color:var(--text2);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;margin-right:12px;transition:all .2s;display:flex}.sidebar-toggle:hover{background:var(--border);color:var(--text)}.modal-overlay{background:var(--bg-overlay);z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--surface);border:1px solid var(--border);border-radius:16px;width:90%;max-width:400px;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;overflow:hidden;box-shadow:0 20px 50px 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#ef44444d}.stream-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;margin-left:12px;display:flex}.toggle-pill{background:var(--surface2);border:1px solid var(--border2);border-radius:20px;width:28px;height:16px;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative}.toggle-pill.on{background:var(--accent);border-color:var(--accent)}.toggle-pill:after{content:"";background:#fff;border-radius:50%;width:10px;height:10px;transition:transform .2s cubic-bezier(.4,0,.2,1);position:absolute;top:2px;left:2px}.toggle-pill.on:after{transform:translate(12px)}.progress-track{flex-direction:column;gap:6px;margin:12px 0;display:flex}.prog-event{font-family:var(--mono);color:var(--text3);background:var(--surface);border-left:2px solid var(--border2);border-radius:0 5px 5px 0;align-items:center;gap:8px;margin-bottom:4px;padding:5px 10px;font-size:11px;animation:.2s forwards 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var(--border2);white-space:nowrap;padding:6px 10px;font-size:10px;font-weight:400}.hit-table td{border-bottom:1px solid var(--border);color:var(--text2);text-overflow:ellipsis;white-space:nowrap;max-width:160px;padding:6px 10px;overflow:hidden}.hit-table tr:last-child td{border-bottom:none}.hit-table tr:hover td{background:var(--surface2)}