:root{--bg-primary: #FBF8F3;--bg-secondary: #FFFFFF;--bg-tertiary: #F5E6D3;--bg-chat-user: #7FD8BE;--bg-chat-bot: #FFFFFF;--text-primary: #131b2e;--text-secondary: #737686;--text-muted: #9ca3af;--accent: #7FD8BE;--accent-hover: #6AC9AC;--accent-glow: rgba(127, 216, 190, .15);--border: #D4C4B0;--border-focus: #7FD8BE;--success: #10b981;--success-glow: rgba(16, 185, 129, .15);--error: #ef4444;--error-glow: rgba(239, 68, 68, .15);--font-headings: "Plus Jakarta Sans", "Inter", -apple-system, sans-serif;--font-body: "Inter", -apple-system, sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 8px 30px rgba(0, 0, 0, .1);--transition: all .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden;height:100vh;width:100vw}h1,h2,h3,h4,h5,h6{font-family:var(--font-headings);font-weight:600;letter-spacing:-.02em}button,input,textarea{font-family:inherit;font-size:inherit;color:inherit}.main-app-wrapper{display:flex;flex-direction:column;height:100vh;width:100vw}.app-nav-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border);height:64px;z-index:50;box-shadow:var(--shadow-sm)}.nav-logo{display:flex;align-items:center;gap:10px}.logo-circle{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background-color:var(--accent);color:#fff;box-shadow:0 0 15px var(--accent-glow)}.nav-logo h1{font-size:1.25rem;display:flex;align-items:center;gap:6px}.badge-tag{font-size:.7rem;padding:2px 6px;border-radius:4px;background-color:var(--accent-glow);border:1px solid var(--accent);color:var(--accent);font-weight:700}.nav-links{display:flex;gap:12px}.nav-link-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-sm);background-color:transparent;border:1px solid transparent;cursor:pointer;font-weight:500;font-size:.9rem;transition:var(--transition);color:var(--text-secondary)}.nav-link-btn:hover{color:#1f4f3f;background-color:#e8dcc7}.nav-link-btn.active{color:#1f4f3f;background-color:#f5e6d3;border-color:#d4c4b0}.app-content-container{flex:1;overflow:hidden;height:calc(100vh - 64px);position:relative}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;font-weight:600;transition:var(--transition)}.btn-primary{background-color:var(--accent);color:#fff;box-shadow:0 4px 14px #6366f14d}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:#f5e6d3;color:#131b2e;border-color:#d4c4b0}.btn-secondary:hover:not(:disabled){background-color:#e8dcc7}.btn-icon-only{width:38px;height:38px;padding:0;border-radius:50%}.btn-send{background-color:var(--accent);color:#fff;width:44px;height:44px;border-radius:50%;padding:0}.btn-send:hover{background-color:var(--accent-hover)}.btn-send:disabled{opacity:.4;cursor:not-allowed}.flex-center{display:flex;align-items:center;justify-content:center}.gap-1\.5{gap:6px}.animate-spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.form-group{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}input[type=text],textarea{width:100%;padding:10px 14px;border-radius:var(--radius-sm);background-color:#fff;border:1px solid #D4C4B0;color:#131b2e;transition:var(--transition);outline:none}input[type=text]:focus,textarea:focus{border-color:#7fd8be;background-color:#fffbf8}input[type=file]{width:100%;padding:12px;border:1px dashed #D4C4B0;border-radius:var(--radius-sm);background-color:#f5e6d3;color:#737686;cursor:pointer}.alert{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:var(--radius-sm);margin-bottom:20px;font-size:.95rem;animation:slideIn .3s ease}.alert-error{background-color:#ef44441a;border:1px solid #fca5a5;color:#dc2626}.alert-success{background-color:#10b9811a;border:1px solid #86efac;color:#059669}@keyframes slideIn{0%{transform:translateY(-10px);opacity:0}to{transform:translateY(0);opacity:1}}.admin-portal{padding:8px 24px 24px;height:100%;overflow-y:auto;display:flex;flex-direction:column}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:16px;padding:0}.title-section h2{font-size:1.5rem;display:flex;align-items:center;gap:10px;color:var(--text-primary)}.title-section p{color:var(--text-secondary);font-size:.9rem;margin-top:4px}.admin-grid{display:grid;grid-template-columns:380px 1fr;gap:24px;flex:1;min-height:0}.upload-section{display:flex;flex-direction:column;gap:20px;overflow-y:auto}.card{background-color:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border);padding:20px;box-shadow:var(--shadow-sm)}.card h3{font-size:1.1rem;margin-bottom:16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid #E8DCC7;padding-bottom:10px}.icon-accent{color:var(--accent)}.form-container{display:flex;flex-direction:column}.kb-list-section{display:flex;flex-direction:column;background-color:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border);padding:20px;height:100%;overflow:hidden}.kb-list-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #E8DCC7;padding-bottom:16px;margin-bottom:16px;gap:16px}.kb-list-header h3{font-size:1.1rem}.search-input-wrapper{position:relative;width:250px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted)}.search-input-wrapper input{padding-left:36px;font-size:.85rem}.doc-cards-container{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;padding-right:4px}.doc-cards-container::-webkit-scrollbar,.upload-section::-webkit-scrollbar,.admin-portal::-webkit-scrollbar,.messages-list::-webkit-scrollbar{width:6px}.doc-cards-container::-webkit-scrollbar-track,.upload-section::-webkit-scrollbar-track,.admin-portal::-webkit-scrollbar-track,.messages-list::-webkit-scrollbar-track{background:transparent}.doc-cards-container::-webkit-scrollbar-thumb,.upload-section::-webkit-scrollbar-thumb,.admin-portal::-webkit-scrollbar-thumb,.messages-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.doc-item-card{background-color:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;display:flex;flex-direction:column;height:220px;transition:var(--transition)}.doc-item-card:hover{transform:translateY(-2px);border-color:var(--border-focus)}.doc-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px}.doc-card-header h4{font-size:.95rem;font-weight:600;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;color:var(--text-primary)}.source-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;padding:2px 6px;border-radius:4px;white-space:nowrap}.badge-manual{background-color:#e8dcc7;border:1px solid #D4C4B0;color:#1f4f3f}.badge-file{background-color:#10b9811a;border:1px solid #10b981;color:#059669}.badge-url{background-color:#7fd8be1a;border:1px solid #7FD8BE;color:#1f4f3f}.doc-card-meta{display:flex;gap:6px;font-size:.75rem;color:var(--text-muted);margin-bottom:12px}.doc-card-snippet{font-size:.8rem;line-height:1.5;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;flex:1;margin-bottom:12px}.doc-card-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #E8DCC7;padding-top:10px}.source-url-link,.source-link{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:var(--accent);text-decoration:none;font-weight:500}.source-url-link:hover,.source-link:hover{text-decoration:underline}.btn-delete{background-color:transparent;border:none;cursor:pointer;color:#9ca3af;transition:var(--transition);padding:4px;border-radius:4px}.btn-delete:hover{color:#dc2626;background-color:#ef44441a}.empty-state{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-icon{margin-bottom:16px;opacity:.3}.chat-interface{display:flex;flex-direction:column;height:100%;background-color:var(--bg-primary)}.chat-header-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border)}.chat-header-left{display:flex;align-items:center;gap:14px}.bot-icon-circle{width:42px;height:42px;border-radius:50%;background-color:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 15px #6366f14d}.chat-header-left h3{font-size:1.1rem}.status-indicator{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--text-muted);margin-top:2px}.pulse-dot{width:6px;height:6px;border-radius:50%;background-color:var(--success);box-shadow:0 0 8px var(--success);animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(.9);opacity:.8}50%{transform:scale(1.2);opacity:1}to{transform:scale(.9);opacity:.8}}.chat-main-container{flex:1;display:flex;position:relative;overflow:hidden;height:calc(100% - 146px)}.chat-messages-container{flex:1;display:flex;flex-direction:column;height:100%;overflow-y:auto;position:relative}.messages-list{flex:1;padding:24px;display:flex;flex-direction:column;gap:20px;overflow-y:auto}.message-row{display:flex;gap:14px;max-width:80%;animation:messageIn .3s ease}@keyframes messageIn{0%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}.row-user{align-self:flex-end;flex-direction:row-reverse}.row-bot{align-self:flex-start}.message-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.8rem}.row-user .message-avatar{background-color:var(--accent-hover);color:#fff}.row-bot .message-avatar{background-color:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-secondary)}.message-bubble-wrapper{display:flex;flex-direction:column;gap:4px}.row-user .message-bubble-wrapper{align-items:flex-end}.row-bot .message-bubble-wrapper{align-items:flex-start}.message-bubble{padding:14px 18px;border-radius:var(--radius-md);font-size:.95rem;line-height:1.5}.row-user .message-bubble{background:var(--bg-chat-user);color:#fff;border-top-right-radius:2px}.row-bot .message-bubble{background-color:var(--bg-chat-bot);color:var(--text-primary);border-top-left-radius:2px;border:1px solid var(--border)}.bubble-loading{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:.9rem}.message-time{font-size:.7rem;color:var(--text-muted)}.message-sources{margin-top:12px;border-top:1px solid rgba(255,255,255,.05);padding-top:10px}.sources-label{font-size:.75rem;font-weight:600;color:var(--text-muted);display:block;margin-bottom:6px}.sources-chips{display:flex;flex-wrap:wrap;gap:8px}.source-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;background-color:var(--bg-tertiary);border:1px solid var(--border);font-size:.75rem;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.source-chip:hover{border-color:var(--border-focus);color:var(--text-primary);background-color:#ffffff0d}.starters-section{padding:0 24px 24px}.starters-title{font-size:.8rem;font-weight:600;color:var(--text-muted);margin-bottom:10px;display:flex;align-items:center;gap:6px}.starters-grid{display:flex;flex-wrap:wrap;gap:10px}.starter-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-sm);background-color:var(--bg-secondary);border:1px solid var(--border);color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:var(--transition);font-weight:500}.starter-chip:hover{border-color:var(--accent);color:var(--text-primary);transform:translateY(-1px);background-color:var(--bg-tertiary)}.sparkle-icon{color:var(--accent)}.source-inspector-drawer{width:320px;border-left:1px solid var(--border);background-color:var(--bg-secondary);display:flex;flex-direction:column;animation:slideLeft .3s ease;height:100%}@keyframes slideLeft{0%{transform:translate(100%)}to{transform:translate(0)}}.inspector-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.inspector-header h4{font-size:.95rem;display:flex;align-items:center;gap:6px}.btn-close-inspector{background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:flex}.btn-close-inspector:hover{color:var(--text-primary)}.inspector-body{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.inspector-body h5{font-size:1rem;line-height:1.4;color:var(--text-primary)}.source-url-row{margin-top:-6px}.inspector-content{background-color:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;font-size:.85rem;line-height:1.6;color:var(--text-secondary);overflow-wrap:break-word}.chat-input-bar{display:flex;padding:16px 24px;background-color:var(--bg-secondary);border-top:1px solid var(--border);gap:12px;align-items:center;height:82px}.chat-input-bar input{flex:1;height:44px;border-radius:22px;padding:0 20px;background-color:var(--bg-primary)}@media(max-width:768px){.admin-grid{grid-template-columns:1fr;overflow-y:auto}.upload-section{overflow-y:visible}.chat-main-container{flex-direction:column}.source-inspector-drawer{width:100%;height:200px;border-left:none;border-top:1px solid var(--border);position:absolute;bottom:0;left:0;z-index:10}}