:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#4f46e5;--background-color:#fff;--background-secondary:#f8fafc;--background-tertiary:#f1f5f9;--text-color:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-color:#e2e8f0;--card-bg:#fff;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--gradient-primary:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);--gradient-subtle:linear-gradient(90deg,#f8fafc,#fff);--font-primary:"Inter",-apple-system,BlinkMacSystemFont,"Segoe 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rgba(37,99,235,.4),0 8px 10px -6px rgba(37,99,235,.2);transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease}.fc-trigger:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 20px 25px -5px rgba(37,99,235,.5),0 8px 10px -6px rgba(37,99,235,.3)}.fc-trigger-icon{font-size:1.25rem}.fc-trigger-label{font-weight:600;font-size:1rem}.fc-window{position:absolute;bottom:calc(100% + 1rem);right:0;width:650px;height:700px;max-height:calc(100vh - 6rem);background:hsla(0,0%,100%,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid hsla(0,0%,100%,.2);border-radius:20px;box-shadow:0 25px 50px -12px rgba(0,0,0,.15),0 0 0 1px rgba(0,0,0,.05);display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom right;opacity:0;transform:scale(.95) translateY(10px);pointer-events:none;transition:opacity .3s ease,transform .3s cubic-bezier(.34,1.56,.64,1),width .3s ease,height .3s ease,bottom .3s ease,right .3s 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.fc-sidebar-header{border-bottom:1px solid hsla(0,0%,100%,.1)}.fc-chat-item{padding:.75rem 1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,.05);transition:background .2s;font-size:.9rem}.fc-chat-item:hover{background:rgba(0,0,0,.05)}.fc-chat-item.active{background:var(--primary-color);color:#fff}[data-theme=dark] .fc-chat-item{border-bottom:1px solid hsla(0,0%,100%,.05)}[data-theme=dark] .fc-chat-item:hover{background:hsla(0,0%,100%,.05)}@media (max-width:640px){.fc-sidebar{display:none}}.fc-brand{gap:.75rem}.fc-avatar,.fc-brand{display:flex;align-items:center}.fc-avatar{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary-color),#4f46e5);justify-content:center;color:#fff;font-size:1.2rem;box-shadow:0 4px 6px -1px 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ease;margin-bottom:2px;margin-right:2px}.fc-send-btn.active{background:var(--primary-color);color:#fff}.fc-watermark{text-align:center;font-size:.7rem;color:var(--text-muted);font-weight:500}.fc-auth-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:hsla(0,0%,100%,.85);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center}[data-theme=dark] .fc-auth-overlay{background:rgba(15,23,42,.85)}.fc-typing{display:flex;gap:4px;align-items:center;padding:.5rem}.fc-dot{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:fc-bounce 1.4s ease-in-out infinite both}.fc-dot:first-child{animation-delay:-.32s}.fc-dot:nth-child(2){animation-delay:-.16s}@keyframes fc-bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.fc-upload-preview{display:flex;align-items:center;justify-content:space-between;padding:.5rem .75rem;background:var(--background-secondary);border-radius:8px;margin-bottom:.5rem;font-size:.8rem}.fc-dropdown{position:absolute;top:100%;right:0;margin-top:.5rem;background:var(--background-color);border:1px solid var(--border-color);border-radius:8px;box-shadow:var(--shadow-md);padding:.5rem;display:flex;flex-direction:column;gap:.25rem;min-width:150px;z-index:100}.fc-dropdown-item{background:transparent;border:none;text-align:left;padding:.5rem .75rem;font-size:.85rem;color:var(--text-color);cursor:pointer;border-radius:4px;transition:background .2s}.fc-dropdown-item:hover{background:var(--background-secondary)}.fc-attachment-menu{position:absolute;bottom:calc(100% + 8px);left:0;width:300px;background:var(--background-color,#fff);border:1px solid var(--border-color,rgba(0,0,0,.1));border-radius:12px;box-shadow:0 10px 25px rgba(0,0,0,.1);padding:1rem;z-index:100;display:flex;flex-direction:column;gap:1rem;animation:slideUp .2s ease-out}[data-theme=dark] .fc-attachment-menu{background:var(--background-secondary,#1e293b);border:1px solid hsla(0,0%,100%,.1)}.fc-menu-section{display:flex;flex-direction:column;gap:.5rem}.fc-menu-title{font-size:.75rem;font-weight:600;color:var(--text-muted,#64748b);text-transform:uppercase;letter-spacing:.5px}.fc-menu-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:.5rem;gap:.5rem}.fc-menu-item{display:flex;align-items:center;gap:.5rem;padding:.5rem;border-radius:8px;background:rgba(0,0,0,.03);border:1px solid transparent;cursor:pointer;transition:all .2s;font-size:.8rem;color:var(--text-color,#000)}.fc-menu-item:hover{background:rgba(0,0,0,.06);border-color:rgba(0,0,0,.1);transform:translateY(-1px)}[data-theme=dark] .fc-menu-item{background:hsla(0,0%,100%,.05);color:var(--text-color,#fff)}[data-theme=dark] .fc-menu-item:hover{background:hsla(0,0%,100%,.1);border-color:hsla(0,0%,100%,.1)}.fc-file-card{display:flex;align-items:center;gap:1rem;background:var(--background-color,#fff);border:1px solid var(--border-color,rgba(0,0,0,.1));border-radius:12px;padding:1rem;margin-top:.5rem;width:-moz-fit-content;width:fit-content;max-width:100%}[data-theme=dark] .fc-file-card{background:rgba(0,0,0,.2);border:1px solid hsla(0,0%,100%,.1)}.fc-file-icon{font-size:2rem}.fc-file-details{display:flex;flex-direction:column}.fc-file-name{font-weight:600;font-size:.9rem;word-break:break-all}.fc-file-meta{font-size:.75rem;color:var(--text-muted,#64748b);display:flex;gap:.5rem}.fc-quick-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}.fc-action-chip{padding:.4rem .75rem;background:rgba(37,99,235,.1);color:var(--primary-color,#2563eb);border:1px solid rgba(37,99,235,.2);border-radius:16px;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s}.fc-action-chip:hover{background:var(--primary-color,#2563eb);color:#fff}.fc-command-menu{position:absolute;bottom:100%;left:0;width:100%;max-height:200px;overflow-y:auto;background:var(--background-color,#fff);border:1px solid var(--border-color,rgba(0,0,0,.1));border-radius:12px 12px 0 0;box-shadow:0 -5px 15px rgba(0,0,0,.05);z-index:99}[data-theme=dark] .fc-command-menu{background:var(--background-secondary,#1e293b);border:1px solid hsla(0,0%,100%,.1)}.fc-command-item{padding:.75rem 1rem;display:flex;align-items:center;gap:.5rem;cursor:pointer;border-bottom:1px solid var(--border-color,rgba(0,0,0,.05))}.fc-command-item:hover{background:var(--background-secondary,rgba(0,0,0,.03))}[data-theme=dark] .fc-command-item{border-bottom:1px solid hsla(0,0%,100%,.05)}[data-theme=dark] .fc-command-item:hover{background:hsla(0,0%,100%,.05)}.fc-cmd-name{font-weight:600;color:var(--primary-color,#2563eb)}.fc-cmd-desc{font-size:.75rem;color:var(--text-muted,#64748b)}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.fc-widget{bottom:max(1rem,env(safe-area-inset-bottom));right:max(1rem,env(safe-area-inset-right))}.fc-window{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;max-width:100vw;max-height:100vh;border-radius:0;border:none;transform:translateY(100%);box-sizing:border-box}.fc-window.fc-open{transform:translateY(0)}.fc-trigger-label{display:none}.fc-trigger{padding:1rem;border-radius:50%}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background-color);color:var(--text-color);font-family:var(--font-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease;position:relative}body,html{overflow-x:hidden;width:100%;max-width:100%}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:transparent}