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0;align-items:center;gap:var(--space-md);display:flex}.auth-divider:before,.auth-divider:after{content:"";background:#ffffff14;flex:1;height:1px}.auth-divider span{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;font-weight:500}.auth-footer{text-align:center;margin-top:var(--space-xl);color:var(--text-secondary);font-size:.9rem}.auth-footer a{font-weight:600}.error-message{background:var(--error-bg);color:var(--error);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);margin-bottom:var(--space-lg);text-align:center;border:1px solid #ef444433;font-size:.85rem;animation:.4s shake}.dashboard-container{max-width:1100px;padding:var(--space-2xl);margin:0 auto}.dashboard-header{margin-bottom:var(--space-2xl)}.dashboard-header h1{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:800}.dashboard-header p{color:var(--text-secondary);margin-top:var(--space-sm)}.upload-section{margin-bottom:var(--space-2xl)}.upload-zone{border-radius:var(--radius-lg);padding:var(--space-3xl);text-align:center;cursor:pointer;transition:all var(--transition-base);background:var(--bg-glass);border:2px dashed #6366f14d}.upload-zone:hover,.upload-zone.active{border-color:var(--accent-start);box-shadow:var(--shadow-glow);background:#6366f10f}.upload-icon{color:var(--accent-mid);margin-bottom:var(--space-md);font-size:3rem}.upload-zone h3{color:var(--text-primary);margin-bottom:var(--space-sm);font-size:1.15rem;font-weight:600}.upload-zone p{color:var(--text-muted);font-size:.9rem}.upload-status{margin-top:var(--space-md);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);text-align:center;font-size:.85rem;animation:.3s fadeSlideUp}.upload-status.success{background:var(--success-bg);color:var(--success);border:1px solid 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chatFadeIn;display:flex}.chat-bubble-user{justify-content:flex-end}.chat-bubble-assistant{justify-content:flex-start}.chat-bubble-system{justify-content:center}.chat-avatar{text-transform:uppercase;letter-spacing:.05em;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.65rem;font-weight:700;display:flex}.chat-avatar-ai{background:var(--accent-gradient);color:#fff;box-shadow:0 0 16px #6366f14d}.chat-avatar-user{color:var(--text-secondary);background:#ffffff1a;border:1px solid #ffffff1a}.chat-bubble{max-width:70%;padding:var(--space-md) var(--space-lg);border-radius:var(--radius-lg);font-size:.92rem;line-height:1.7;position:relative}.chat-bubble--assistant{background:var(--bg-card);color:var(--text-primary);border:1px solid #ffffff0f;border-bottom-left-radius:4px}.chat-bubble--user{color:var(--text-primary);background:linear-gradient(135deg,#6366f140,#8b5cf633);border:1px solid #6366f140;border-bottom-right-radius:4px}.chat-bubble--system{background:var(--warning-bg);color:var(--warning);border-radius:var(--radius-sm);border:1px solid #f59e0b33;max-width:85%;font-size:.85rem}.chat-bubble-content{white-space:pre-wrap;word-break:break-word}.chat-system-message{align-items:flex-start;gap:var(--space-sm);display:flex}.chat-system-icon{flex-shrink:0;margin-top:2px;font-size:1rem}.chat-fallback-warning{margin-top:var(--space-sm);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);color:#ca8a04;background:#eab30814;border:1px solid #eab30833;font-size:.78rem}.chat-model-badge{margin-top:var(--space-xs);color:var(--text-muted);text-align:right;font-size:.72rem}.chat-typing-indicator{align-items:center;gap:5px;padding:4px 0;display:flex}.chat-typing-dot{background:var(--accent-mid);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite chatTypingBounce}.chat-typing-dot:nth-child(2){animation-delay:.2s}.chat-typing-dot:nth-child(3){animation-delay:.4s}.chat-suggestions{gap:var(--space-sm);padding:0 var(--space-xl) var(--space-md);flex-wrap:wrap;flex-shrink:0;display:flex}.chat-chip{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);background:var(--bg-glass);color:var(--text-accent);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #6366f133;font-family:Inter,sans-serif;font-size:.82rem}.chat-chip:hover{background:#6366f11f;border-color:#6366f166;transform:translateY(-1px);box-shadow:0 0 16px #6366f11a}.chat-input-area{padding:var(--space-md) var(--space-xl) var(--space-lg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0a0e1a99;border-top:1px solid #ffffff0f;flex-shrink:0}.chat-model-toggle{margin-bottom:var(--space-sm);border:1px solid #ffffff14;border-radius:8px;width:fit-content;display:flex;overflow:hidden}.chat-input-row{align-items:flex-end;gap:var(--space-sm);display:flex}.chat-input{background:var(--bg-glass);border-radius:var(--radius-md);color:var(--text-primary);resize:none;transition:all var(--transition-fast);border:1px solid #ffffff14;outline:none;flex:1;min-height:44px;max-height:120px;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:.92rem;line-height:1.5;overflow-y:auto}.chat-input:focus{border-color:var(--accent-start);box-shadow:0 0 0 3px #6366f126}.chat-input::placeholder{color:var(--text-muted)}.chat-input:disabled{opacity:.5;cursor:not-allowed}.chat-send-btn{border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;cursor:pointer;width:44px;height:44px;transition:all var(--transition-fast);border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:1.1rem;display:flex;position:relative;overflow:hidden}.chat-send-btn:before{content:"";opacity:0;transition:opacity var(--transition-fast);background:linear-gradient(135deg,#ffffff2e,#0000);position:absolute;inset:0}.chat-send-btn:hover:not(:disabled):before{opacity:1}.chat-send-btn:hover:not(:disabled){box-shadow:var(--accent-glow);transform:translateY(-1px)}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-chat{color:var(--accent-end);background:#8b5cf61a;border-color:#8b5cf633}.btn-chat:hover{background:#8b5cf633;box-shadow:0 0 20px #8b5cf626}@keyframes chatFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes chatTypingBounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}@media (width<=768px){.chat-container{height:calc(100vh - 57px)}.chat-header{padding:var(--space-md)}.chat-header-info h1{font-size:1.15rem}.chat-messages{padding:var(--space-md)}.chat-bubble{max-width:85%}.chat-suggestions{padding:0 var(--space-md) var(--space-sm)}.chat-chip{padding:var(--space-xs) var(--space-sm);font-size:.78rem}.chat-input-area{padding:var(--space-sm) var(--space-md) var(--space-md)}}