:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-input: #ffffff;--border-light: #e2e8f0;--border-hover: #cbd5e1;--border-focus: #3b82f6;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--text-inverse: #ffffff;--accent-blue: #2563eb;--accent-blue-hover: #1d4ed8;--accent-purple: #9333ea;--accent-green: #10b981;--accent-red: #ef4444;--accent-amber: #f59e0b;--gemini-gradient: linear-gradient(135deg, #1a73e8 0%, #8ab4f8 50%, #9333ea 100%);--gemini-soft-gradient: linear-gradient(135deg, rgba(26, 115, 232, .08) 0%, rgba(147, 51, 234, .08) 100%);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .05);--header-height: 52px;--tabs-height: 44px}@media(prefers-color-scheme:dark){:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-input: #1e293b;--border-light: #334155;--border-hover: #475569;--border-focus: #60a5fa;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);font-size:13px;line-height:1.5;height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100vh;width:100%}.app-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--border-light);background-color:var(--bg-primary);flex-shrink:0;z-index:10}.header-brand{display:flex;align-items:center;gap:8px}.gemini-logo-icon{display:flex;align-items:center;justify-content:center}.header-title-box{display:flex;align-items:baseline;gap:6px}.header-title{font-size:14px;font-weight:700;letter-spacing:-.01em;color:var(--text-primary)}.model-tag{font-size:10px;font-weight:500;padding:1px 6px;border-radius:var(--radius-full);background:var(--gemini-soft-gradient);color:var(--accent-blue);border:1px solid rgba(26,115,232,.2)}.header-actions{display:flex;align-items:center;gap:8px}.status-indicator{display:flex;align-items:center;padding:4px}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--accent-amber);transition:background-color .2s}.status-dot.online{background-color:var(--accent-green)}.status-dot.offline{background-color:var(--accent-red)}.icon-btn{background:none;border:none;color:var(--text-secondary);padding:6px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.icon-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.banner{padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;border-bottom:1px solid transparent}.banner-warning{background-color:#fffbeb;border-color:#fef3c7;color:#92400e}.hidden{display:none!important}.nav-tabs{display:flex;height:var(--tabs-height);background-color:var(--bg-secondary);border-bottom:1px solid var(--border-light);flex-shrink:0;padding:4px 8px 0;gap:4px}.nav-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-secondary);font-size:12px;font-weight:500;cursor:pointer;padding:6px 4px;transition:all .2s;border-radius:var(--radius-sm) var(--radius-sm) 0 0}.nav-tab:hover{color:var(--text-primary);background-color:#00000005}.nav-tab.active{color:var(--accent-blue);border-bottom-color:var(--accent-blue);font-weight:600;background-color:var(--bg-primary)}.slide-context-bar{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:var(--bg-secondary);border-bottom:1px solid var(--border-light);font-size:11px;color:var(--text-secondary);flex-shrink:0}.slide-context-info{display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pulse-indicator{width:6px;height:6px;border-radius:50%;background:var(--accent-blue);flex-shrink:0}.icon-text-btn{background:none;border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:11px;display:flex;align-items:center;gap:4px;padding:2px 7px;cursor:pointer}.icon-text-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.tabs-container{flex:1;position:relative;overflow:hidden}.tab-pane{display:none;height:100%;width:100%;flex-direction:column}.tab-pane.active{display:flex}.pane-scroll{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px}.chat-messages-container{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}.message-bubble{max-width:92%;display:flex;flex-direction:column;gap:4px;animation:fadeIn .2s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message-user{align-self:flex-end}.message-user .bubble-content{background-color:var(--accent-blue);color:var(--text-inverse);border-radius:var(--radius-md) var(--radius-md) 2px var(--radius-md);padding:9px 12px;font-size:13px;word-break:break-word}.message-assistant{align-self:flex-start;width:100%}.bubble-header{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-muted);padding:0 4px}.bubble-sender{font-weight:600;color:var(--text-secondary)}.message-assistant .bubble-content{background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:2px var(--radius-md) var(--radius-md) var(--radius-md);padding:12px;font-size:13px;line-height:1.55;color:var(--text-primary)}.bubble-content p{margin-bottom:8px}.bubble-content p:last-child{margin-bottom:0}.bubble-content ul,.bubble-content ol{padding-left:18px;margin-bottom:8px}.bubble-content li{margin-bottom:4px}.bubble-actions{display:flex;gap:6px;margin-top:8px;padding-top:8px;border-top:1px solid var(--border-light)}.chat-chips-scroll{display:flex;gap:6px;padding:6px 12px;overflow-x:auto;white-space:nowrap;flex-shrink:0;border-top:1px solid var(--border-light);background-color:var(--bg-secondary)}.chat-chips-scroll::-webkit-scrollbar{display:none}.chip-btn{background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-full);font-size:11px;color:var(--text-secondary);padding:4px 10px;cursor:pointer;transition:all .15s ease;white-space:nowrap}.chip-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue);background:var(--gemini-soft-gradient)}.chat-input-wrapper{background-color:var(--bg-primary);border-top:1px solid var(--border-light);padding:8px 12px 10px;flex-shrink:0}.chat-input-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:11px;color:var(--text-secondary)}.chat-input-row{display:flex;align-items:flex-end;gap:6px;background-color:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:6px 8px;box-shadow:var(--shadow-sm);transition:border-color .15s}.chat-input-row:focus-within{border-color:var(--border-focus)}#chat-input{flex:1;border:none;background:transparent;outline:none;resize:none;font-family:inherit;font-size:13px;color:var(--text-primary);max-height:100px;line-height:1.4}.btn-send{background:var(--accent-blue);color:#fff;border:none;width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .15s;flex-shrink:0}.btn-send:hover{background-color:var(--accent-blue-hover)}.btn-send:disabled{background-color:var(--text-muted);cursor:not-allowed}.section-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px}.card-heading{font-size:15px;font-weight:700;margin-bottom:4px}.card-title{font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;margin-bottom:4px;color:var(--text-primary)}.card-subtext{font-size:12px;color:var(--text-secondary);margin-bottom:12px}.gradient-text{background:var(--gemini-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.form-group{margin-bottom:12px}.form-group label{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);margin-bottom:5px}.form-row{display:flex;gap:10px}.form-row .form-group{flex:1}.form-input,.form-textarea,.form-select{width:100%;border:1px solid var(--border-light);border-radius:var(--radius-sm);background-color:var(--bg-input);color:var(--text-primary);font-family:inherit;font-size:12px;padding:8px 10px;outline:none;transition:border-color .15s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--border-focus)}.form-helper{font-size:11px;color:var(--text-muted);margin-top:5px}.form-helper a{color:var(--accent-blue);text-decoration:none}.form-helper a:hover{text-decoration:underline}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);cursor:pointer}.preset-buttons-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-bottom:8px}.preset-btn{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:6px 8px;font-size:11px;font-weight:500;color:var(--text-secondary);cursor:pointer;text-align:left;transition:all .15s}.preset-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue);background-color:var(--bg-tertiary)}.action-btn-row{display:flex;gap:8px;margin-top:8px}.result-box{margin-top:12px;background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:10px;animation:fadeIn .2s}.result-header{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:6px;padding-bottom:4px;border-bottom:1px solid var(--border-light)}.result-content{font-size:12px;line-height:1.5;color:var(--text-primary);white-space:pre-wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:inherit;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;border:none;transition:all .15s;padding:8px 14px;font-size:12px}.btn-primary{background:var(--gemini-gradient);color:#fff}.btn-primary:hover{opacity:.95;transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-light)}.btn-secondary:hover{background-color:var(--border-light)}.btn-success{background-color:var(--accent-green);color:#fff}.btn-success:hover{background-color:#059669}.btn-sm{padding:4px 10px;font-size:11px}.btn-block{width:100%}.text-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:11px}.text-btn:hover{color:var(--text-primary)}.copy-small-btn{background:none;border:1px solid var(--border-light);border-radius:4px;padding:2px 6px;font-size:10px;color:var(--text-secondary);cursor:pointer}.preview-container{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.preview-badge{font-size:11px;font-weight:600;text-transform:uppercase;color:var(--accent-blue);background:var(--gemini-soft-gradient);padding:2px 8px;border-radius:var(--radius-full)}.preview-content{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:14px}.preview-slide-title{font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.preview-cards-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-top:10px}.preview-card-item{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:8px;border-left:3px solid var(--accent-blue)}.preview-card-title{font-weight:600;font-size:12px;margin-bottom:2px}.preview-card-text{font-size:11px;color:var(--text-secondary)}.preview-notes-box{margin-top:10px;font-size:11px;font-style:italic;color:var(--text-muted);border-top:1px dashed var(--border-light);padding-top:8px}.modal-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#00000073;display:flex;align-items:center;justify-content:center;padding:14px;z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-card{background-color:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);width:100%;max-width:380px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;animation:fadeIn .2s}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-light)}.modal-title{font-size:14px;font-weight:700}.modal-body{padding:16px;overflow-y:auto;max-height:70vh}.modal-footer{padding:12px 16px;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;background-color:var(--bg-secondary)}.input-with-action{display:flex;gap:6px}.test-status-msg{font-size:11px;margin-left:8px}.divider{border:none;border-top:1px solid var(--border-light);margin:14px 0}.required{color:var(--accent-red)}.toast{position:absolute;bottom:16px;left:50%;transform:translate(-50%);background-color:#0f172af2;color:#fff;padding:8px 16px;border-radius:var(--radius-full);font-size:12px;font-weight:500;box-shadow:var(--shadow-md);z-index:200;animation:slideUp .2s;white-space:nowrap}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.markdown-body code{background-color:var(--bg-tertiary);padding:2px 4px;border-radius:4px;font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.markdown-body pre{background-color:var(--bg-secondary);border:1px solid var(--border-light);padding:8px;border-radius:var(--radius-sm);overflow-x:auto;margin:6px 0}