@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";body{margin:0;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body,html,#root{margin:0;padding:0;width:100%;height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.login-container,.login-container *{box-sizing:border-box}.login-container{display:flex;justify-content:center;align-items:center;height:100vh;background:linear-gradient(135deg,#1a365d,#2d5a7b,#1a365d);padding:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;position:relative;overflow:hidden;box-sizing:border-box}.login-container:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(168,213,226,.1) 1px,transparent 1px),linear-gradient(rgba(168,213,226,.1) 1px,transparent 1px);background-size:50px 50px;opacity:.3;pointer-events:none}.login-container:after{content:"";position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(255,107,53,.15) 0%,transparent 70%);border-radius:50%;top:-300px;right:-300px;animation:float 20s ease-in-out infinite;pointer-events:none}@keyframes float{0%,to{transform:translate(0)}50%{transform:translate(-50px,50px)}}.login-content{text-align:center;max-width:480px;width:100%;max-height:100%;overflow-y:auto;position:relative;z-index:1;animation:fadeInUp .8s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.logo{width:350px;height:auto;margin:0 auto 48px;display:block;filter:drop-shadow(0 10px 30px rgba(168,213,226,.4));animation:fadeIn .8s ease,logoGlow 3s ease-in-out infinite alternate}@keyframes fadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes logoGlow{0%{filter:drop-shadow(0 10px 30px rgba(168,213,226,.3))}to{filter:drop-shadow(0 10px 40px rgba(168,213,226,.6))}}.app-title{font-size:4rem;font-weight:800;color:#fff;margin:0 0 12px;letter-spacing:8px;text-shadow:0 4px 20px rgba(0,0,0,.4),0 0 40px rgba(168,213,226,.3);animation:fadeIn .8s ease .2s both}.app-subtitle{font-size:.95rem;color:#ff6b35;margin:0 0 64px;font-weight:500;letter-spacing:2px;animation:fadeIn .8s ease .4s both;text-shadow:0 2px 10px rgba(0,0,0,.3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}form{animation:fadeIn .8s ease .6s both;background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:40px;border-radius:24px;border:1px solid rgba(168,213,226,.2);box-shadow:0 20px 60px #0000004d,inset 0 1px #ffffff1a}.input-group{margin-bottom:28px}.input-group label{display:block;text-align:left;color:#a8d5e2;font-size:.85rem;font-weight:700;margin-bottom:12px;letter-spacing:1.5px;text-transform:uppercase;text-shadow:0 2px 4px rgba(0,0,0,.3)}.input-group input{width:100%;padding:18px 24px;border:2px solid rgba(168,213,226,.3);border-radius:12px;font-size:1.1rem;font-family:Inter,sans-serif;background:#fffffff2;color:#1a365d;box-shadow:0 8px 25px #0003,inset 0 1px 2px #0000001a;transition:all .3s ease;box-sizing:border-box}.input-group input:focus{outline:none;background:#fff;border-color:#ff6b35;box-shadow:0 8px 35px #ff6b3566,0 0 0 3px #ff6b351a;transform:translateY(-2px)}.input-group input::placeholder{color:#a8d5e299;font-weight:400}.input-group input:disabled{opacity:.6;cursor:not-allowed;background:#ffffffb3}.login-btn{width:100%;padding:18px 24px;background:linear-gradient(135deg,#ff6b35,#d67d5a);border:none;border-radius:12px;color:#fff;font-size:1.15rem;font-weight:700;font-family:Inter,sans-serif;letter-spacing:2px;text-transform:uppercase;cursor:pointer;box-shadow:0 8px 25px #ff6b3566,inset 0 1px #fff3;transition:all .3s ease;margin-top:12px;position:relative;overflow:hidden}.login-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.login-btn:hover:not(:disabled):before{width:300px;height:300px}.login-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 12px 35px #ff6b3599,0 0 40px #ff6b354d;background:linear-gradient(135deg,#ff7b45,#e8956f)}.login-btn:active:not(:disabled){transform:translateY(0);box-shadow:0 6px 20px #ff6b3566,0 0 20px #ff6b3533}.login-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:0 4px 15px #ff6b3533}.error-message{margin-top:28px;padding:16px 20px;background:#d32f2f26;border:2px solid rgba(211,47,47,.4);border-radius:12px;color:#ff8a8a;font-weight:600;font-size:.95rem;animation:shake .5s ease,fadeIn .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);box-shadow:0 4px 12px #d32f2f4d}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}@media (max-width: 600px){.app-title{font-size:3rem;letter-spacing:5px}.app-subtitle{font-size:.85rem;letter-spacing:1.5px;margin-bottom:48px}.logo{width:280px;height:auto;margin-bottom:36px}form{padding:32px 24px}.input-group input,.login-btn{padding:16px 20px;font-size:1rem}}@media (max-width: 400px){.logo{width:220px}.app-title{font-size:2.5rem;letter-spacing:4px}form{padding:28px 20px}}.admin-panel{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1000;display:flex;justify-content:center;align-items:center}.admin-panel-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.admin-panel-content{position:relative;background:#fff;border-radius:12px;width:90%;max-width:800px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;z-index:1001}.dark-mode .admin-panel-content{background:#1e1e1e;color:#fff}.admin-panel-header{display:flex;justify-content:space-between;align-items:center;padding:24px;border-bottom:1px solid #e5e7eb}.dark-mode .admin-panel-header{border-bottom-color:#374151}.admin-panel-header h2{margin:0;font-size:24px;font-weight:600;color:#1a3a52}.dark-mode .admin-panel-header h2{color:#fff}.close-btn{background:none;border:none;font-size:32px;cursor:pointer;color:#6b7280;line-height:1;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s}.close-btn:hover{background:#f3f4f6;color:#1f2937}.dark-mode .close-btn{color:#9ca3af}.dark-mode .close-btn:hover{background:#374151;color:#fff}.admin-panel-body{padding:24px}.admin-message{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.admin-message.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.admin-message.success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.dark-mode .admin-message.error{background:#7f1d1d;color:#fecaca;border-color:#991b1b}.dark-mode .admin-message.success{background:#14532d;color:#bbf7d0;border-color:#166534}.admin-actions{margin-bottom:24px}.create-user-btn{background:#1a3a52;color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.create-user-btn:hover,.dark-mode .create-user-btn{background:#2d5a7b}.dark-mode .create-user-btn:hover{background:#1a3a52}.create-user-form{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:20px;margin-bottom:24px}.dark-mode .create-user-form{background:#111827;border-color:#374151}.create-user-form h3{margin:0 0 16px;font-size:18px;font-weight:600;color:#1f2937}.dark-mode .create-user-form h3{color:#fff}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:#374151}.dark-mode .form-group label{color:#d1d5db}.form-group input[type=email],.form-group input[type=password],.form-group input[type=text]{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;transition:border-color .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#1a3a52;box-shadow:0 0 0 3px #1a3a521a}.dark-mode .form-group input{background:#1f2937;border-color:#374151;color:#fff}.dark-mode .form-group input:focus{border-color:#2d5a7b;box-shadow:0 0 0 3px #2d5a7b33}.checkbox-group{display:flex;align-items:center}.checkbox-group label{display:flex;align-items:center;margin:0;cursor:pointer}.checkbox-group input[type=checkbox]{margin-right:8px;cursor:pointer;width:18px;height:18px}.checkbox-group span{font-size:14px;color:#374151}.dark-mode .checkbox-group span{color:#d1d5db}.submit-btn{background:#e8956f;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s;width:100%}.submit-btn:hover{background:#d67d5a}.submit-btn:disabled{background:#d1d5db;cursor:not-allowed}.dark-mode .submit-btn{background:#d67d5a}.dark-mode .submit-btn:hover{background:#e8956f}.users-section{margin-top:24px}.users-section h3{margin:0 0 16px;font-size:18px;font-weight:600;color:#1f2937}.dark-mode .users-section h3{color:#fff}.users-list{display:grid;gap:12px}.user-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:16px;transition:box-shadow .2s}.user-card:hover{box-shadow:0 4px 12px #0000001a}.dark-mode .user-card{background:#111827;border-color:#374151}.dark-mode .user-card:hover{box-shadow:0 4px 12px #0000004d}.user-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.user-email{font-size:16px;font-weight:600;color:#1a3a52}.dark-mode .user-email{color:#a8d5e2}.admin-badge{background:#e8956f;color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500}.user-details{font-size:14px;color:#6b7280}.dark-mode .user-details{color:#9ca3af}.user-name{margin-bottom:4px;font-weight:500;color:#374151}.dark-mode .user-name{color:#d1d5db}.user-meta{font-size:12px;color:#9ca3af}.dark-mode .user-meta{color:#6b7280}@media (max-width: 768px){.admin-panel-content{width:95%;max-height:95vh}.admin-panel-header,.admin-panel-body{padding:16px}}:root{--navy-blue: #1a365d;--medium-blue: #2d5a7b;--light-blue: #a8d5e2;--accent-orange: #ff6b35;--dark-orange: #e55a2b;--warm-orange: #d67d5a;--bg-main: #f8f9fa;--bg-sidebar: #2a3f5f;--bg-card: #ffffff;--border-light: #e0e0e0;--text-primary: #1a1a1a;--text-secondary: #666666;--text-light: #999999;--message-user-bg: linear-gradient(135deg, var(--navy-blue) 0%, var(--medium-blue) 100%);--message-assistant-bg: #ffffff;--message-assistant-border: #e0e0e0;--message-assistant-text: #1a1a1a;--shadow-sm: 0 1px 3px rgba(26, 54, 93, .1);--shadow-md: 0 4px 6px rgba(26, 54, 93, .1);--shadow-lg: 0 10px 20px rgba(26, 54, 93, .15);--shadow-glow-orange: 0 0 20px rgba(255, 107, 53, .3);--shadow-glow-blue: 0 0 20px rgba(168, 213, 226, .4)}body.dark-mode{--bg-main: #0f1c2e;--bg-card: #1a2838;--bg-sidebar: #162333;--border-light: #2d4356;--text-primary: #e8eef5;--text-secondary: #a8b5c7;--text-light: #7a8a9e;--message-user-bg: linear-gradient(135deg, #2d5a7b 0%, #1a365d 100%);--message-assistant-bg: #243447;--message-assistant-border: #2d4356;--message-assistant-text: #e8eef5;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 20px rgba(0, 0, 0, .5);--shadow-glow-orange: 0 0 20px rgba(255, 107, 53, .4);--shadow-glow-blue: 0 0 20px rgba(168, 213, 226, .2)}*{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}.chat-container{display:flex;height:100vh;background:var(--bg-main);position:relative}.chat-container:before{content:"";position:absolute;inset:0 0 0 50%;background-image:linear-gradient(90deg,var(--light-blue) 1px,transparent 1px),linear-gradient(var(--light-blue) 1px,transparent 1px);background-size:50px 50px;opacity:.03;pointer-events:none;z-index:0}.sidebar{width:300px;background:linear-gradient(180deg,var(--bg-sidebar) 0%,#1f2f47 100%);border-right:3px solid var(--accent-orange);display:flex;flex-direction:column;padding:0;position:relative;z-index:1;box-shadow:var(--shadow-lg)}.logo-section{padding:24px 20px;text-align:center;border-bottom:1px solid rgba(168,213,226,.1);background:#ffffff08}.sidebar-logo{width:140px;height:auto;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(168,213,226,.3));transition:transform .3s ease,filter .3s ease}.sidebar-logo:hover{transform:scale(1.05);filter:drop-shadow(0 6px 16px rgba(168,213,226,.5))}.chat-history{flex:1;padding:20px;overflow-y:auto}.new-chat-btn{width:100%;padding:14px 20px;background:linear-gradient(135deg,var(--accent-orange) 0%,var(--warm-orange) 100%);color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:600;font-size:15px;margin-bottom:24px;transition:all .3s ease;box-shadow:0 4px 12px #ff6b354d;position:relative;overflow:hidden}.new-chat-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.new-chat-btn:hover:before{width:300px;height:300px}.new-chat-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow-orange)}.new-chat-btn:active{transform:translateY(0)}.history-item{padding:14px 16px;background:#ffffff14;border-radius:10px;margin-bottom:10px;cursor:pointer;border-left:3px solid transparent;transition:all .3s ease;font-size:14px;color:#ffffffd9;position:relative;display:flex;align-items:center;justify-content:space-between;gap:8px}.chat-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.delete-chat-btn{opacity:0;width:24px;height:24px;border-radius:50%;border:none;background:#ff6b3533;color:var(--accent-orange);font-size:20px;line-height:1;cursor:pointer;transition:all .2s ease;flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:0}.history-item:hover .delete-chat-btn{opacity:1}.delete-chat-btn:hover{background:var(--accent-orange);color:#fff;transform:scale(1.1)}.history-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-orange);opacity:0;transition:opacity .3s ease}.history-item.active{background:#a8d5e226;border-left-color:var(--accent-orange);color:#fff;box-shadow:var(--shadow-glow-blue)}.history-item.active:before{opacity:1}.history-item:hover{background:#a8d5e21f;transform:translate(4px);color:#fff}.sidebar-footer{padding:20px;border-top:1px solid rgba(168,213,226,.1);background:#0000001a;display:flex;flex-direction:column;gap:10px}.admin-btn{width:100%;padding:12px;background:linear-gradient(135deg,#2d5a7b,#1a3a52);color:#fff;border:1px solid rgba(168,213,226,.3);border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:500;font-size:14px}.admin-btn:hover{background:linear-gradient(135deg,#1a3a52,#2d5a7b);border-color:var(--accent-orange);box-shadow:0 0 16px #ff6b354d;transform:translateY(-1px)}.logout-btn{width:100%;padding:12px;background:transparent;color:#ffffffb3;border:1px solid rgba(255,255,255,.2);border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:500;font-size:14px}.logout-btn:hover{background:#ffffff1a;color:#fff;border-color:#fff6;box-shadow:0 0 12px #a8d5e233}.main-chat{flex:1;display:flex;flex-direction:column;background:var(--bg-card);position:relative;z-index:1}.chat-header{padding:24px 30px;border-bottom:1px solid var(--border-light);background:var(--bg-card);display:flex;align-items:center;gap:16px}.chat-header h1{margin:0;font-size:28px;color:var(--text-primary);font-weight:700;letter-spacing:-.5px;flex:1}.dark-mode-toggle{width:40px;height:40px;border:none;background:var(--bg-main);border:2px solid var(--border-light);border-radius:50%;font-size:20px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;padding:0}.dark-mode-toggle:hover{background:var(--accent-orange);border-color:var(--accent-orange);transform:scale(1.1)}.mobile-menu-btn{display:none;width:40px;height:40px;border:none;background:var(--accent-orange);color:#fff;font-size:24px;border-radius:8px;cursor:pointer;transition:all .3s ease;padding:0;align-items:center;justify-content:center}.mobile-menu-btn:hover{background:var(--dark-orange);transform:scale(1.05)}.mobile-menu-btn:active{transform:scale(.95)}.uploaded-doc-indicator{margin:10px 0 0;font-size:14px;color:var(--text-secondary);opacity:.9;display:inline-block;padding:6px 12px;background:#a8d5e21a;border-radius:6px}.messages{flex:1;padding:24px 30px;overflow-y:auto;background:var(--bg-main)}.message{margin-bottom:24px;display:flex;align-items:flex-start;gap:14px;animation:messageSlideIn .3s ease}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{justify-content:flex-end;flex-direction:row-reverse}.message.assistant{justify-content:flex-start}.message-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0;box-shadow:var(--shadow-md)}.user-avatar{background:linear-gradient(135deg,var(--navy-blue) 0%,var(--medium-blue) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;box-shadow:var(--shadow-md)}.message-content{max-width:70%;padding:18px 22px;border-radius:20px;line-height:1.6;box-shadow:var(--shadow-sm);transition:transform .2s ease}.message-content p{margin:0 0 12px}.message-content p:last-child{margin-bottom:0}.message-content strong{font-weight:700}.message-content em{font-style:italic}.message-content ul,.message-content ol{margin:8px 0;padding-left:24px}.message-content li{margin:4px 0}.message-content code{background:#0000000d;padding:2px 6px;border-radius:4px;font-family:Courier New,monospace;font-size:.9em}.message.user .message-content code{background:#fff3}.message.user .message-content{background:var(--message-user-bg);color:#fff;border-bottom-right-radius:6px}.message.assistant .message-content{background:var(--message-assistant-bg);color:var(--message-assistant-text);border:1px solid var(--message-assistant-border);border-bottom-left-radius:6px}.message-content:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.input-form{padding:24px 30px;background:var(--bg-card);border-top:1px solid var(--border-light);box-shadow:0 -2px 10px #0000000d}.input-container{display:flex;gap:12px;align-items:center;max-width:900px;margin:0 auto}.input-container input[type=text],.input-container textarea{flex:1;padding:16px 22px;border:2px solid var(--border-light);border-radius:28px;font-size:16px;outline:none;transition:all .3s ease;background:var(--bg-main);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;resize:none;overflow-y:hidden;min-height:54px;max-height:200px}.input-container textarea.scrollable{overflow-y:auto}.input-container input[type=text]:focus,.input-container textarea:focus{border-color:var(--accent-orange);box-shadow:0 0 0 3px #ff6b351a;background:var(--bg-card)}.file-upload-btn{padding:14px;background:var(--bg-main);border:2px solid var(--border-light);border-radius:50%;cursor:pointer;font-size:18px;transition:all .3s ease;display:flex;align-items:center;justify-content:center;width:50px;height:50px}.file-upload-btn:hover{background:#fff;border-color:var(--accent-orange);transform:rotate(15deg) scale(1.05);box-shadow:var(--shadow-md)}.input-container button[type=submit]{padding:16px 28px;background:linear-gradient(135deg,var(--accent-orange) 0%,var(--warm-orange) 100%);color:#fff;border:none;border-radius:28px;cursor:pointer;font-weight:600;font-size:15px;transition:all .3s ease;box-shadow:0 4px 12px #ff6b354d}.input-container button[type=submit]:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-glow-orange)}.input-container button[type=submit]:active:not(:disabled){transform:translateY(0)}.input-container button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.download-doc-btn{padding:14px;background:var(--bg-main);border:2px solid var(--border-light);border-radius:50%;cursor:pointer;font-size:18px;transition:all .3s ease;display:flex;align-items:center;justify-content:center;width:50px;height:50px}.download-doc-btn:hover:not(:disabled){background:#fff;border-color:var(--medium-blue);transform:scale(1.05);box-shadow:var(--shadow-md)}.download-doc-btn:disabled{opacity:.5;cursor:not-allowed}.documents-section{padding:24px;border-top:1px solid rgba(168,213,226,.15);background:#0000000d}.documents-section h3{margin:0 0 16px;font-size:17px;color:#fff;font-weight:700;letter-spacing:.5px;text-transform:uppercase;opacity:.95}.sync-status{margin-bottom:14px;min-height:24px;display:flex;align-items:center;gap:8px}.syncing-indicator{margin:0;font-size:13px;color:var(--accent-orange);font-weight:600;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.last-sync{margin:0;font-size:12px;color:#fff9;font-weight:500}.sync-message{margin:10px 0;font-size:13px;padding:10px 14px;background:#ffffff1a;border-radius:8px;border-left:3px solid var(--accent-orange);color:#ffffffe6;line-height:1.4}.sync-btn{width:100%;padding:12px 16px;background:#ffffff1a;color:#fff;border:2px solid rgba(255,255,255,.2);border-radius:10px;cursor:pointer;font-weight:600;font-size:14px;transition:all .3s ease;margin-bottom:16px}.sync-btn:hover:not(:disabled){background:#ffffff26;border-color:var(--accent-orange);color:var(--accent-orange);box-shadow:0 0 16px #ff6b354d;transform:translateY(-1px)}.sync-btn:disabled{opacity:.4;cursor:not-allowed}.document-list{max-height:320px;overflow-y:auto;padding-right:4px}.document-list::-webkit-scrollbar{width:6px}.document-list::-webkit-scrollbar-track{background:#ffffff0d;border-radius:3px}.document-list::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.document-list::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.document-item{padding:12px 14px;background:#ffffff14;border-radius:10px;margin-bottom:8px;font-size:14px;color:#ffffffe6;cursor:pointer;transition:all .3s ease;border-left:3px solid transparent;display:flex;align-items:center;gap:10px}.document-item:before{content:"📄";font-size:16px;opacity:.8}.document-item:hover{background:#a8d5e226;border-left-color:var(--accent-orange);transform:translate(4px);box-shadow:0 0 12px #a8d5e233}.no-docs{margin:16px 0 0;font-size:14px;color:#ffffff80;text-align:center;padding:28px 16px;background:#ffffff0d;border-radius:10px;border:1px dashed rgba(255,255,255,.15);line-height:1.6}@media (max-width: 768px){.sidebar{width:260px}.messages,.input-form,.chat-header{padding:16px 20px}.message-content{max-width:85%}}@media (max-width: 600px){.chat-container{position:relative}.mobile-overlay{position:fixed;inset:0;background:#00000080;z-index:999;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sidebar{position:fixed;left:-100%;top:0;width:280px;height:100vh;z-index:1000;transition:left .3s ease;box-shadow:4px 0 20px #0000004d}.sidebar.mobile-open{left:0}.main-chat{width:100%}.mobile-menu-btn{display:flex}.chat-header{padding:12px 16px}.chat-header h1{font-size:20px}.messages{padding:12px 16px}.message-content{max-width:90%;padding:14px 18px;font-size:15px}.input-form{padding:12px 16px;position:sticky;bottom:0;z-index:100}.input-container{gap:8px}.input-container input[type=text],.input-container textarea{padding:12px 16px;font-size:16px}.file-upload-btn{width:44px;height:44px;padding:10px;font-size:16px}.input-container button[type=submit]{padding:12px 20px;font-size:14px}.download-doc-btn{width:44px;height:44px;padding:10px;font-size:16px}.logo-section{padding:16px}.sidebar-logo{width:120px}.documents-section{padding:16px}.documents-section h3{font-size:15px}.document-list{max-height:200px}}.modal-overlay{position:fixed;inset:0;background:#1a365d99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;animation:fadeIn .2s ease}.modal-content{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:32px;border-radius:16px;box-shadow:var(--shadow-lg),0 0 0 1px #1a365d1a;z-index:2001;min-width:420px;max-width:90%;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translate(-50%,-45%)}to{opacity:1;transform:translate(-50%,-50%)}}.modal-content h2{margin:0 0 12px;font-size:24px;color:var(--navy-blue);font-weight:700}.modal-content p{margin:0 0 24px;font-size:15px;color:var(--text-secondary);line-height:1.5}.modal-actions{display:flex;gap:12px;justify-content:flex-end}.modal-btn{padding:12px 24px;border:none;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;transition:all .3s ease}.cancel-btn{background:var(--bg-main);color:var(--text-primary);border:2px solid var(--border-light)}.cancel-btn:hover{background:#fff;border-color:var(--medium-blue);transform:translateY(-1px);box-shadow:var(--shadow-md)}.delete-btn{background:linear-gradient(135deg,var(--accent-orange) 0%,var(--warm-orange) 100%);color:#fff;box-shadow:0 4px 12px #ff6b354d}.delete-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow-orange)}.delete-btn:active,.cancel-btn:active{transform:translateY(0)}@media (max-width: 600px){.modal-content{min-width:0;width:90%;padding:24px}.modal-content h2{font-size:20px}.modal-content p{font-size:14px}.modal-actions{flex-direction:column-reverse}.modal-btn{width:100%}}