:root{--font-sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;--font-mono:'JetBrains Mono', 'Fira Code', 'Consolas', monospace;font-size:20px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.12);--shadow-lg:0 8px 32px rgba(0,0,0,.18);--transition-fast:.15s ease;--transition-med:.3s cubic-bezier(.4,0,.2,1);--sidebar-width:280px;--sidebar-collapsed:0px;--header-height:56px;--footer-height:72px;--input-area-height:80px}[data-theme=dark]{--bg-primary:#0e0f12;--bg-secondary:#141418;--bg-tertiary:#2a2c34;--bg-surface:#191a20;--bg-surface-hover:#22242c;--bg-input:#2a2c34;--bg-sidebar:#101118;--bg-code:#16171e;--border-primary:#2c2e38;--border-secondary:#3a3c48;--text-primary:#e8eaed;--text-secondary:#9a9caa;--text-tertiary:#62647a;--text-inverse:#0e0f12;--accent-primary:#4a7ea8;--accent-primary-hover:#3d6a8f;--accent-secondary:#7aa3c4;--accent-glow:rgba(74, 126, 168, 0.1);--accent-gradient:linear-gradient(135deg, #4a7ea8 0%, #7aa3c4 100%);--success:#5e9e8f;--warning:#b8a060;--error:#c06060;--user-bubble:#1a2225;--ai-bubble:#141418;--scrollbar-thumb:#3a3c48;--scrollbar-track:transparent;--overlay:rgba(0,0,0,.6);--logo-glow:rgba(94,158,143,.25);--partners-filter:brightness(0) invert(1) opacity(0.4);--partners-filter-hover:brightness(0) invert(1) opacity(0.75);--btn-primary-bg:#4a7ea8;--btn-primary-text:#ffffff;--tps-dot:#5e9e8f;--disabled-primary:darkslateblue;.header-logo-light{display:none}img, video{filter:brightness(75%)}}[data-theme=light]{--bg-primary:#f4f5f7;--bg-secondary:#ffffff;--bg-tertiary:#e2e4e8;--bg-surface:#ffffff;--bg-surface-hover:#eef0f2;--bg-input:#fafafa;--bg-sidebar:#f0f1f4;--bg-code:#eceef1;--border-primary:#c8cad2;--border-secondary:#b0b2bc;--text-primary:#1a1c24;--text-secondary:#4a4c5e;--text-tertiary:#8a8c9e;--text-inverse:#ffffff;--accent-primary:#4a7ea8;--accent-primary-hover:#3d6a8f;--accent-secondary:#7aa3c4;--accent-glow:rgba(74, 126, 168, 0.1);--accent-gradient:linear-gradient(135deg, #4a7ea8 0%, #7aa3c4 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var(--border-primary)}.app-body{display:flex;flex:1;overflow:hidden;position:relative}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--overlay);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.modal-overlay.is-visible{opacity:1;visibility:visible}.modal-container{background-color:var(--bg-primary);width:90%;max-width:400px;border-radius:12px;padding:2rem;box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,4%);position:relative;transform:scale(.95);opacity:0;transition:transform .3s ease,opacity .3s ease}.modal-overlay.is-visible .modal-container{transform:scale(1);opacity:1}.modal-close-btn{position:absolute;top:1rem;right:1rem;background:0 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h2{margin:0}.product-card-head-subtitle{font-size:.75rem;font-weight:600;color:var(--text-primary)}.product-card-tag{height:1.1rem;margin:4px 8px;padding:1px 8px;font-size:.65rem;font-weight:600;align-items:center;justify-content:center;background:var(--accent-gradient);border-radius:var(--radius-sm);color:#fff}@keyframes rgbShadowRotation{0%{box-shadow:0 -20px 20px rgba(255,0,0,.8),0 -20px 60px rgba(255,0,0,.4)}8.33%{box-shadow:10px -17px 20px rgba(255,128,0,.8),10px -17px 60px rgba(255,128,0,.4)}16.66%{box-shadow:17px -10px 20px rgba(255,255,0,.9),17px -10px 60px rgba(255,255,0,.6)}25%{box-shadow:20px 0 20px rgba(128,255,0,.9),20px 0 60px rgba(128,255,0,.6)}33.33%{box-shadow:17px 10px 20px rgba(0,255,0,.9),17px 10px 60px rgba(0,255,0,.6)}41.66%{box-shadow:10px 17px 20px rgba(0,255,128,.9),10px 17px 60px rgba(0,255,128,.6)}50%{box-shadow:0 20px 20px rgba(0,255,255,.8),0 20px 60px rgba(0,255,255,.4)}58.33%{box-shadow:-10px 17px 20px rgba(0,128,255,.8),-10px 17px 60px 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