:root{--font-serif: "Newsreader", "Playfair Display", "EB Garamond", Georgia, serif;--font-sans: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Geist Mono", "SF Mono", Menlo, Consolas, monospace;--bg-primary: #ffffff;--bg-secondary: #faf9f8;--bg-tertiary: #f7f6f6;--bg-stone: #f2f0ef;--bg-stone-hover: #e8e6e5;--bg-hover: #f2f0ef;--text-primary: #111827;--text-secondary: #5f5a54;--text-muted: #888b93;--text-stone: #514837;--exa-blue: #1840ed;--exa-blue-hover: #1233c2;--exa-blue-light: #eef8ff;--exa-blue-border: #d4e9fd;--exa-blue-text: #0972d5;--accent-neon: #1840ed;--accent-neon-hover: #1233c2;--accent-neon-active: #0c2598;--accent-dark: #111827;--accent-primary: #1840ed;--accent-secondary: #111827;--accent-glow: rgba(24, 64, 237, .15);--accent-blue: #1840ed;--accent-purple: #7928ca;--success: #16a34a;--warning: #d97706;--error: #dc2626;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, 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var(--border-strong);color:var(--text-primary);transform:none;box-shadow:none}.quick-prompt-chip:active{background:var(--bg-hover);transform:none;box-shadow:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#a1a1aa;border-radius:0;border:1px solid var(--border-strong)}::-webkit-scrollbar-thumb:hover{background:#71717a}.pro-badge{background:var(--exa-blue);color:#fff!important;border:1px solid var(--exa-blue);font-size:.58rem;margin-left:6px;font-weight:800;font-family:var(--font-mono);padding:1px 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var(--border);box-shadow:none;overflow:hidden;flex-shrink:0}.explanation-header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;background:var(--bg-tertiary);border-bottom:1px solid var(--border)}.explanation-header h3{font-size:.84rem;color:var(--text-primary);font-weight:700;font-family:var(--font-mono)}.btn-close{background:none;border:none;font-size:1.3rem;color:var(--text-muted);cursor:pointer;line-height:1;padding:0 4px}.btn-close:hover{color:var(--text-primary)}.explanation-content{padding:12px 14px;max-height:200px;overflow-y:auto}.explanation-content p{font-size:.84rem;color:var(--text-secondary)}.available-components{padding:8px 14px;background:var(--bg-secondary);display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.74rem;color:var(--text-muted);font-family:var(--font-mono);border-top:1px solid var(--border)}.component-tag{display:inline-block;padding:3px 8px;background:#fff;border:1px solid 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var(--error);box-shadow:none;font-size:.84rem;font-family:var(--font-mono)}.canvas-instructions{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#ffffffe0;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:10;pointer-events:none}.instruction-card{background:#fff;border:1px solid var(--border);border-radius:0;padding:22px 28px;max-width:360px;text-align:left;box-shadow:none}.instruction-card h3{font-size:1.05rem;color:var(--text-primary);margin-bottom:10px;font-weight:700;letter-spacing:-.01em}.instruction-card p{font-size:.84rem;color:var(--text-secondary);margin-bottom:10px}.instruction-card ul{list-style:none;padding:0;margin:0}.instruction-card li{padding:4px 0;font-size:.82rem;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.kb-loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#fffffff2;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.kb-loading-content{text-align:center;max-width:420px;padding:32px 36px;background:#fff;border:1px solid var(--border);border-radius:0;box-shadow:none}.kb-loading-content h2{font-size:1.25rem;margin-bottom:10px;color:var(--text-primary);font-weight:700;font-family:var(--font-sans)}.kb-loading-phase{font-size:.8rem;color:var(--text-primary);font-family:var(--font-mono);text-transform:uppercase;margin-bottom:16px;font-weight:700;background:var(--accent-neon);display:inline-block;padding:2px 8px;border:1px solid rgba(0,0,0,.2);border-radius:0}.kb-progress-bar{width:100%;height:10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:0;overflow:hidden;margin-bottom:12px}.kb-progress-fill{height:100%;background:var(--accent-neon);border-right:1px solid rgba(0,0,0,.2);transition:width .3s ease}.kb-progress-text{font-size:.8rem;font-family:var(--font-mono);color:var(--text-secondary);margin-bottom:8px}.kb-current-file{font-size:.74rem;font-family:var(--font-mono);color:var(--text-muted);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0 auto}.kb-status-bar{display:flex;align-items:center;gap:8px;margin-top:8px;padding:5px 10px;background:var(--bg-tertiary);border-radius:0;font-size:.74rem;font-family:var(--font-mono);border:1px solid var(--border)}.kb-status-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;border:1px solid var(--border-strong)}.kb-status-dot.ready{background:#121212}.kb-status-dot.loading{background:#71717a;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.kb-status-text{color:var(--text-secondary);font-weight:600}.solution-meta-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:7px 12px;background:#fff;border:1px solid var(--border);border-radius:0;margin-bottom:12px;font-size:.75rem;font-family:var(--font-mono);box-shadow:none}.model-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;background:var(--accent-neon);border:1px solid var(--border);border-radius:0;color:#000;font-weight:700}.sources-badge{color:var(--text-secondary);display:inline-flex;align-items:center;gap:4px}.btn-pill{padding:4px 12px;border-radius:var(--radius-sm);font-size:.74rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;border:1px solid var(--border);background:var(--bg-stone);color:var(--text-secondary);box-shadow:none;transition:all var(--transition-fast)}.btn-pill:hover{background:var(--bg-stone-hover);color:var(--text-primary);transform:none;box-shadow:none}.btn-pill.active{background:var(--exa-blue)!important;color:#fff!important;font-weight:600;border-color:var(--exa-blue)!important;box-shadow:none}.btn-pill.active:hover{background:var(--exa-blue-hover)!important;color:#fff!important;transform:none;box-shadow:none}.walkthrough-panel{background:transparent;padding:0;margin-bottom:24px}.walkthrough-header h4{font-size:1.15rem;color:var(--text-primary);display:flex;align-items:center;gap:8px;font-weight:400;font-family:var(--font-serif);letter-spacing:-.01em}.walkthrough-steps{display:flex;flex-direction:column;gap:16px}.walkthrough-step-item{background:#fff;border:1px solid var(--border);padding:20px 24px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.walkthrough-step-item:hover{border-color:#00000026;box-shadow:var(--shadow-md)}.step-badge{display:inline-block;font-size:.76rem;font-weight:600;font-family:var(--font-mono);text-transform:uppercase;background:var(--exa-blue-light);color:var(--exa-blue);border:1px solid var(--exa-blue-border);padding:3px 8px;border-radius:var(--radius-sm);margin-right:8px}.step-title{font-size:1.15rem;font-weight:500;font-family:var(--font-serif);color:var(--text-primary)}.step-say{font-size:.96rem;color:var(--text-secondary);margin-top:10px;line-height:1.65;border-radius:var(--radius-sm)}.deep-dive-why{color:#15803d}.deep-dive-tradeoff{color:#b45309}.deep-dive-rejected{color:#b91c1c}.deep-dive-config{color:#1d4ed8}.deep-dive-scale{color:#475569}.super-master-badge{display:inline-flex;align-items:center;gap:4px;background:#111827;color:#fff;border:1px solid transparent;font-size:.68rem;font-weight:600;font-family:var(--font-mono);padding:2px 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var(--transition-fast);box-shadow:none;padding:0}.btn-icon-nav:hover{background:var(--bg-stone-hover);color:var(--text-primary)}.btn-icon-nav svg{display:block}.nav-badge-count{position:absolute;top:-4px;right:-4px;background:var(--error);color:#fff;font-size:.62rem;font-weight:700;line-height:1;padding:2px 4px;min-width:14px;text-align:center;border-radius:var(--radius-xs);border:1px solid #ffffff;box-shadow:none;pointer-events:none;z-index:2}.btn-user-profile{display:inline-flex;align-items:center;gap:7px;background:var(--bg-stone);border:1px solid transparent;border-radius:var(--radius-sm);padding:3px 9px 3px 4px;cursor:pointer;transition:all 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var(--border);display:flex;align-items:center;justify-content:space-between}.user-settings-modal .designs-modal-header h2{font-size:1.25rem!important;font-weight:700;font-family:var(--font-mono);color:var(--text-primary);margin:0}.settings-body{padding:28px 36px!important;display:flex!important;flex-direction:column!important;gap:22px!important;overflow-y:auto!important;background:#fff!important}.settings-profile-section{display:flex;align-items:center;gap:16px;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:0}.settings-avatar-large{width:54px;height:54px;border-radius:50%;border:2px solid var(--border-strong);object-fit:cover;flex-shrink:0;box-shadow:none}.settings-avatar-wrap .settings-avatar-initials{width:54px;height:54px;font-size:1.4rem;box-shadow:none}.settings-identity-details{min-width:0;flex:1}.settings-display-name{margin:0 0 2px;font-size:1.05rem;font-weight:700;color:var(--text-primary)}.settings-email{margin:0 0 6px;font-size:.8rem;color:var(--text-secondary);font-family:var(--font-mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-tags{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.settings-tier-badge{display:inline-block;padding:2px 6px;background:#fef08a;border:1px solid var(--border-strong);border-radius:0;font-size:.66rem;font-weight:700;font-family:var(--font-mono);color:#854d0e}.btn-modal-logout{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;font-family:var(--font-mono);padding:6px 12px;color:#b91c1c;border:1px solid #fca5a5;background:#fff5f5;border-radius:0;box-shadow:none;cursor:pointer;transition:all var(--transition-fast)}.btn-modal-logout:hover{background:#fee2e2;border-color:#ef4444;color:#991b1b;transform:none;box-shadow:none}.settings-profile-section 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.status-val{font-size:.76rem;font-weight:600;font-family:var(--font-mono);color:var(--text-primary)}.settings-footer{display:flex;justify-content:space-between;align-items:center;padding:18px 36px;background:var(--bg-secondary);border-top:1px solid var(--border)}.btn-modal-done{width:auto!important;min-width:120px!important;padding:9px 26px!important;flex:0 0 auto!important;font-size:.9rem!important;font-weight:500!important;color:#fff!important;background:var(--exa-blue)!important}.panel-notes-card{margin:10px 18px;background:#fff;border:1px solid var(--border);border-radius:0;padding:10px 12px;box-shadow:none;flex-shrink:0}.panel-notes-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.panel-notes-header h4{font-size:.78rem;font-weight:700;font-family:var(--font-mono);color:var(--text-primary);margin:0;display:flex;align-items:center;gap:6px;text-transform:uppercase}.panel-notes-textarea{width:100%;box-sizing:border-box;font-family:var(--font-sans);font-size:.82rem;padding:8px 10px;border:1px solid var(--border);border-radius:0;resize:vertical;min-height:55px;color:var(--text-primary);background:#fff;outline:none;transition:border-color var(--transition-fast)}.panel-notes-textarea:focus{border-color:var(--text-primary);box-shadow:none}.panel-notes-footer{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.designs-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.designs-modal{width:95vw;max-width:1400px;height:92vh;max-height:94vh;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--border)}.designs-modal-header{padding:22px 32px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:#fff}.designs-modal-header h2{font-size:1.4rem;font-weight:500;font-family:var(--font-serif);color:var(--text-primary);margin:0;display:flex;align-items:center;gap:10px}.designs-modal-body{padding:24px 32px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:16px;background:var(--bg-secondary)}.super-master-banner{background:var(--exa-blue-light);border:1px solid var(--exa-blue-border);color:var(--exa-blue-text);padding:8px 14px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;font-family:var(--font-sans);box-shadow:none;display:flex;align-items:center;justify-content:space-between;gap:10px}.designs-search-bar{display:flex;align-items:center;gap:10px}.designs-search-input{flex:1;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);font-size:.84rem;font-family:var(--font-sans);background:#fff;outline:none;box-shadow:none;transition:border-color var(--transition-fast)}.designs-search-input:focus{border-color:var(--exa-blue)}.filter-pills{display:flex;gap:6px}.filter-pill{padding:5px 12px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:500;font-family:var(--font-sans);border:1px solid transparent;background:var(--bg-stone);color:var(--text-stone);box-shadow:none;cursor:pointer;transition:all var(--transition-fast)}.filter-pill:hover{background:var(--bg-stone-hover);color:var(--text-primary)}.filter-pill.active{background:#111827;color:#fff}.designs-cards-list{display:flex;flex-direction:column;gap:10px;padding-bottom:70px}.design-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;background:#fff;box-shadow:var(--shadow-sm);transition:all 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var(--border);font-weight:500;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.design-author-pill{font-size:.7rem;font-family:var(--font-mono);padding:2px 6px;border-radius:0;background:#fff;color:var(--text-primary);border:1px solid var(--border);font-weight:600;display:inline-flex;align-items:center;gap:4px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.design-notes-display{background:var(--bg-tertiary);border-left:2px solid var(--border);padding:6px 9px;border-radius:0;font-size:.78rem;color:var(--text-secondary);word-break:break-word;overflow-wrap:anywhere;max-height:110px;overflow-y:auto}.design-card-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;border-top:1px solid var(--border);padding-top:12px;margin-top:8px}.design-card-actions .btn{flex:0 0 auto!important;width:auto!important}.btn-load-design{padding:6px 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var(--transition-fast)}.mobile-floating-pill:hover,.mobile-floating-pill:active{background:var(--exa-blue);transform:scale(1.02)}.mobile-floating-pill:hover,.mobile-floating-pill:active{background:var(--google-blue);transform:scale(1.02)}@media (max-width: 960px){.app-container{flex-direction:column;height:100vh;overflow:hidden;position:relative}.chat-panel{width:100%!important;min-width:100%!important;max-width:100%!important;height:100vh;border-right:none}.chat-panel.mobile-hidden{display:none!important}.chat-panel.mobile-visible{display:flex!important}.canvas-panel{width:100%!important;height:100vh}.canvas-panel.mobile-hidden{display:none!important}.canvas-panel.mobile-visible{display:flex!important}.mobile-view-switcher{display:flex}.mobile-switch-to-talk-btn{display:inline-flex}.mobile-floating-dock{display:block}.panel-header{padding:10px 14px}.header-row{flex-wrap:wrap;gap:8px}.header-row h1{font-size:1.15rem}.active-problem-bar{padding:8px 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