@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-base:#0d0f14;--bg-surface:#13161e;--bg-elevated:#1b1f2b;--bg-hover:#222636;--border:#ffffff12;--border-focus:#6366f199;--accent:#6366f1;--accent-hover:#818cf8;--accent-glow:#6366f140;--accent-light:#6366f11a;--text-primary:#f1f2f6;--text-secondary:#8b93a7;--text-muted:#4d566b;--green:#22c55e;--red:#ef4444;--amber:#f59e0b;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 8px 32px #0009;--shadow-glow:0 0 32px var(--accent-glow);--transition:.2s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,system-ui,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg-base);color:var(--text-primary);font-size:15px;line-height:1.6}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:99px}h1,h2,h3,h4{font-weight:600;line-height:1.25}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.125rem}p{color:var(--text-secondary)}.page-center{background:var(--bg-base);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.page-center:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(80% 60% at 30% 20%,#6366f11f 0%,#0000 60%),radial-gradient(60% 40% at 70% 80%,#8b5cf614 0%,#0000 60%);position:fixed;inset:0}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:40px}.input-group{flex-direction:column;gap:6px;display:flex}.input-group label{color:var(--text-secondary);letter-spacing:.03em;text-transform:uppercase;font-size:.8125rem;font-weight:500}.input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);transition:border-color var(--transition), box-shadow var(--transition);outline:none;width:100%;padding:11px 14px;font-family:inherit;font-size:.9375rem}.input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-light)}.input::placeholder{color:var(--text-muted)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);-webkit-user-select:none;user-select:none;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:11px 20px;font-family:inherit;font-size:.9375rem;font-weight:500;display:inline-flex}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px var(--accent-glow)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-1px)}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:#ffffff1f}.btn-danger{color:var(--red);background:#ef44441a;border:1px solid #ef444433}.btn-danger:hover:not(:disabled){background:#ef444433}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-full{width:100%}.tabs{background:var(--bg-elevated);border-radius:var(--radius-md);gap:4px;padding:4px;display:flex}.tab{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);background:0 0;border:none;flex:1;padding:8px 0;font-family:inherit;font-size:.9rem;font-weight:500}.tab.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px var(--accent-glow)}.tab:not(.active):hover{color:var(--text-primary);background:var(--bg-hover)}.error-msg{border-radius:var(--radius-md);color:#fca5a5;background:#ef444414;border:1px solid #ef444433;align-items:center;gap:8px;padding:10px 14px;font-size:.875rem;animation:.2s slideDown;display:flex}.success-msg{border-radius:var(--radius-md);color:#86efac;background:#22c55e14;border:1px solid #22c55e33;padding:10px 14px;font-size:.875rem;animation:.2s slideDown}.spinner{border:2px solid #fff3;border-top-color:#fff;border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes 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var(--accent-hover));-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-size:1.25rem;font-weight:700}.auth-card{flex-direction:column;gap:24px;display:flex}.auth-header{text-align:center}.auth-header h1{letter-spacing:-.03em;margin-bottom:4px;font-size:1.625rem;font-weight:700}.auth-header p{color:var(--text-muted);font-size:.9rem}.auth-form{flex-direction:column;gap:18px;display:flex}.auth-footer{text-align:center;color:var(--text-muted);font-size:.875rem}.auth-link{color:var(--accent-hover);cursor:pointer;font-family:inherit;font-size:inherit;transition:color var(--transition);background:0 0;border:none;padding:0;font-weight:500}.auth-link:hover{color:#fff}.dashboard-layout{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:220px;padding:20px 12px;display:flex}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:9px;margin-bottom:12px;padding:6px 10px 20px;display:flex}.sidebar-logo-icon{background:var(--accent);border-radius:var(--radius-sm);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;padding:6px;display:flex}.sidebar-logo-text{letter-spacing:-.02em;background:linear-gradient(135deg, var(--text-primary) 40%, var(--accent-hover));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1rem;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:2px;display:flex}.sidebar-nav-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:9px;padding:9px 10px;font-family:inherit;font-size:.875rem;font-weight:500;display:flex}.sidebar-nav-item.active{background:var(--accent-light);color:var(--accent-hover)}.sidebar-nav-item:not(.active):hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-logout{justify-content:flex-start;width:100%;margin-top:auto;font-size:.875rem}.dashboard-main{flex-direction:column;flex:1;gap:24px;padding:36px 40px;display:flex;overflow-y:auto}.dashboard-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.dashboard-header h1{letter-spacing:-.03em;font-size:1.5rem}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg-surface);flex-direction:column;align-items:center;gap:10px;padding:32px;display:flex}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent);background:var(--accent-light);box-shadow:0 0 0 4px var(--accent-glow)}.drop-zone-icon{background:var(--bg-elevated);border-radius:var(--radius-md);width:48px;height:48px;color:var(--accent-hover);transition:all var(--transition);justify-content:center;align-items:center;padding:10px;display:flex}.drop-zone:hover .drop-zone-icon,.drop-zone.drag-over .drop-zone-icon{background:var(--accent);color:#fff;box-shadow:var(--shadow-glow)}.drop-zone-text{color:var(--text-secondary);font-size:.9rem}.docs-grid{flex-direction:column;gap:10px;display:flex}.doc-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);text-align:left;align-items:center;gap:16px;width:100%;padding:16px 20px;font-family:inherit;display:flex}.doc-card:hover{background:var(--bg-elevated);box-shadow:var(--shadow-sm);border-color:#6366f14d;transform:translate(3px)}.doc-card-icon{background:var(--accent-light);border-radius:var(--radius-md);width:44px;height:44px;color:var(--accent-hover);flex-shrink:0;justify-content:center;align-items:center;padding:10px;display:flex}.doc-card-body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.doc-card-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:500;overflow:hidden}.doc-card-meta{color:var(--text-muted);font-size:.78125rem}.doc-card-arrow{color:var(--text-muted);transition:all var(--transition);flex-shrink:0}.doc-card-delete{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:8px;display:flex}.doc-card-delete:hover:not(:disabled){color:var(--red);background:#ef44441a}.doc-card-delete:disabled{opacity:.5;cursor:not-allowed}.doc-card:hover .doc-card-arrow{color:var(--accent-hover);transform:translate(2px)}.docs-loading{flex-direction:column;gap:10px;display:flex}.doc-skeleton{border-radius:var(--radius-lg);background:linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-elevated) 50%, var(--bg-surface) 75%);background-size:200% 100%;height:76px;animation:1.4s infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.docs-empty{color:var(--text-muted);text-align:center;flex-direction:column;align-items:center;gap:14px;padding:56px 0;display:flex}.docs-empty-icon{background:var(--bg-elevated);border-radius:var(--radius-lg);width:64px;height:64px;color:var(--text-muted);justify-content:center;align-items:center;padding:14px;display:flex}.chat-layout{background:var(--bg-base);flex-direction:column;height:100vh;display:flex}.chat-topbar{background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:16px;padding:14px 24px;display:flex}.chat-back{padding:7px 12px;font-size:.875rem}.chat-doc-info{align-items:center;gap:12px;display:flex}.chat-doc-icon{background:var(--accent-light);border-radius:var(--radius-sm);width:36px;height:36px;color:var(--accent-hover);flex-shrink:0;justify-content:center;align-items:center;padding:8px;display:flex}.chat-doc-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:320px;font-size:.9375rem;font-weight:600;display:block;overflow:hidden}.chat-doc-id{color:var(--text-muted);font-size:.75rem;display:block}.chat-messages{flex-direction:column;flex:1;gap:20px;padding:32px 24px;display:flex;overflow-y:auto}.chat-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;padding:60px 24px;animation:.4s fadeUp;display:flex}.chat-empty-icon{background:var(--bg-elevated);border-radius:var(--radius-xl);width:64px;height:64px;color:var(--accent-hover);box-shadow:var(--shadow-glow);justify-content:center;align-items:center;padding:14px;display:flex}.chat-empty h2{letter-spacing:-.02em;font-size:1.375rem}.chat-empty p{color:var(--text-muted);font-size:.9rem}.chat-suggestions{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:8px;display:flex}.suggestion-chip{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);border-radius:99px;padding:7px 14px;font-family:inherit;font-size:.8125rem}.suggestion-chip:hover{background:var(--accent-light);border-color:var(--border-focus);color:var(--accent-hover)}.message-row{align-items:flex-end;gap:10px;max-width:720px;animation:.25s fadeUp;display:flex}.message-row.user{flex-direction:row-reverse;align-self:flex-end}.message-row.assistant{align-self:flex-start}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;padding:6px;display:flex}.user-avatar{background:var(--accent);color:#fff}.assistant-avatar{background:var(--bg-elevated);border:1px solid var(--border);color:var(--accent-hover)}.message-bubble{border-radius:var(--radius-lg);word-break:break-word;min-width:40px;max-width:520px;padding:12px 16px}.message-row.user .message-bubble{background:var(--accent);color:#fff;border-bottom-right-radius:var(--radius-sm)}.message-row.assistant .message-bubble{background:var(--bg-elevated);border:1px solid var(--border);border-bottom-left-radius:var(--radius-sm)}.message-text{color:inherit;white-space:pre-wrap;font-size:.9375rem;line-height:1.65}.message-row.user .message-text{color:#fff}.message-row.assistant .message-text{color:var(--text-primary)}.message-meta{color:var(--text-muted);margin-top:5px;font-size:.7rem;display:block}.typing-bubble{align-items:center;gap:5px;padding:14px 18px;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.2s infinite bounce}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.chat-input-area{background:var(--bg-surface);border-top:1px solid var(--border);flex-shrink:0;padding:16px 24px 20px}.chat-input-form{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color var(--transition), box-shadow var(--transition);align-items:flex-end;gap:10px;padding:10px 10px 10px 16px;display:flex}.chat-input-form:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-light)}.chat-textarea{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:160px;font-family:inherit;font-size:.9375rem;line-height:1.5;overflow-y:auto}.chat-textarea::placeholder{color:var(--text-muted)}.send-btn{border-radius:var(--radius-md);flex-shrink:0;width:40px;height:40px;padding:0}.chat-hint{color:var(--text-muted);text-align:center;margin-top:8px;font-size:.72rem}.chat-hint kbd{background:var(--bg-hover);border:1px solid var(--border);color:var(--text-secondary);border-radius:4px;padding:1px 5px;font-family:inherit;font-size:.67rem}