*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #d97757;--primary-hover: #c86547;--bg: #faf8f3;--bg-secondary: #f0eee6;--bg-tertiary: #fffbf5;--bg-accent: #e3dacc;--text: #4a4a4a;--text-secondary: #8b8b8b;--text-tertiary: #6a6a6a;--border: #e8dfd0;--user-msg: #fffbf5;--assistant-msg: #fffbf5;--danger: #d84a4a;--success: #6b9b6e;--radius-large: 16px;--radius-medium: 12px;--radius-small: 10px;--spacing-large: 20px;--spacing-medium: 16px;--spacing-small: 12px;--spacing-tiny: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,#e8dfd0,#d4c5b0);color:var(--text);line-height:1.6;letter-spacing:.5px}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);padding:var(--spacing-large)}.login-box{background:var(--bg-tertiary);padding:3rem;border-radius:var(--radius-large);box-shadow:0 2px 8px #d9775714;border:1px solid var(--border);width:100%;max-width:420px}.login-box h1{text-align:center;margin-bottom:2rem;font-size:2rem;color:var(--primary);font-weight:700}.login-box form{display:flex;flex-direction:column;gap:var(--spacing-medium)}.login-box input{padding:var(--spacing-small) var(--spacing-medium);border:1px solid var(--border);border-radius:var(--radius-medium);background:var(--bg);color:var(--text);font-size:1rem;transition:all .2s cubic-bezier(.4,0,.2,1)}.login-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #d977571a}.login-box input::placeholder{color:#b8b8b8}.login-box button{padding:var(--spacing-small) var(--spacing-medium);background:var(--primary);border:none;border-radius:var(--radius-small);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.login-box button:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #d9775740}.login-box button:active{transform:scale(.98)}.login-box .error{color:var(--danger);font-size:.875rem;margin-top:calc(var(--spacing-tiny) * -1)}.loading-screen,.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);gap:1.5rem}.loading-screen p,.error-screen p{color:var(--text-secondary);font-size:1rem}.error-screen h2{color:var(--danger);font-size:1.5rem;font-weight:600}.error-screen button{padding:.75rem 1.5rem;background:var(--primary);border:none;border-radius:var(--radius-small);color:#fff;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.error-screen button:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #d9775740}.error-screen button:active{transform:scale(.98)}.loading-spinner{width:48px;height:48px;border:4px solid var(--bg-accent);border-top-color:var(--primary);border-radius:50%;animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.long-wait-notice{margin-top:12px;padding:14px 16px;background:#d977571a;border:1px solid rgba(217,119,87,.3);border-radius:8px;font-size:.875rem;line-height:1.5;animation:pulse-notice 2s ease-in-out infinite}.notice-warning{color:#d97757;font-weight:600;margin-bottom:8px}.notice-tip{color:#8b8b8b;font-weight:500;font-size:.8125rem}@keyframes pulse-notice{0%,to{opacity:1;transform:scale(1)}50%{opacity:.9;transform:scale(1.02)}}.app{display:flex;flex-direction:column;height:calc(100vh - 32px);margin:16px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 8px 32px #d977571f,0 2px 8px #0000000a;position:relative}.app-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);gap:2rem;box-shadow:0 2px 4px #d977570f;position:relative;z-index:10;flex-shrink:0}.app-header h1{font-size:1.5rem;color:var(--text);font-weight:700}.agent-selector{display:flex;align-items:center;gap:.5rem;flex:1}.agent-selector label{color:var(--text-secondary);font-size:.875rem;white-space:nowrap;font-weight:500}.agent-selector select{padding:.5rem 1rem;background:var(--bg-tertiary);border:1px solid var(--bg-accent);border-radius:var(--radius-small);color:var(--text);font-size:.875rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);min-width:150px}.agent-selector select:hover:not(:disabled){background:var(--bg-accent);border-color:var(--primary)}.agent-selector select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #d977571a}.agent-selector select:disabled{opacity:.5;cursor:not-allowed}.user-info{display:flex;align-items:center;gap:var(--spacing-medium)}.global-report-btn{padding:.4rem .9rem;border-radius:999px;background:#4f75ff1f;border:1px solid rgba(79,117,255,.3);color:#2944ff;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease}.global-report-btn:hover{background:#4f75ff33;border-color:#4f75ff80}.user-info span{color:var(--text);font-size:.875rem;font-weight:500}.user-info button{padding:.5rem 1rem;background:transparent;border:1px solid var(--primary);border-radius:var(--radius-small);color:var(--primary);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.user-info button:hover{background:var(--primary);color:#fff;box-shadow:0 2px 6px #d9775733}.user-info button:active{transform:scale(.98)}.app-content{display:flex;flex:1;overflow:hidden}.chat-history{width:240px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;box-shadow:2px 0 8px #d977570f;border-radius:0 0 0 20px;position:relative}.history-header{padding:var(--spacing-small) var(--spacing-medium);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.history-header h2{font-size:1.125rem;color:var(--text);font-weight:600}.new-chat-btn{width:36px;height:36px;background:var(--primary);border:none;border-radius:var(--radius-small);color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;font-weight:300}.new-chat-btn:hover{background:var(--primary-hover);transform:scale(1.05);box-shadow:0 4px 12px #d9775740}.new-chat-btn:active{transform:scale(.95)}.history-list{flex:1;overflow-y:auto;padding:var(--spacing-tiny) var(--spacing-small)}.history-list::-webkit-scrollbar{width:6px}.history-list::-webkit-scrollbar-track{background:transparent}.history-list::-webkit-scrollbar-thumb{background:var(--bg-accent);border-radius:3px}.history-list::-webkit-scrollbar-thumb:hover{background:var(--border)}.empty-history{text-align:center;color:var(--text-secondary);padding:2rem 1rem;font-size:.875rem}.history-item{padding:var(--spacing-tiny) var(--spacing-small);margin-bottom:6px;background:var(--bg-tertiary);border:1px solid transparent;border-radius:var(--radius-small);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .3s cubic-bezier(.4,0,.2,1)}.history-item:hover{background:var(--bg-accent);box-shadow:0 2px 6px #d977570f;transform:translate(2px)}.history-item.active{background:var(--bg-accent);border-left:3px solid var(--primary);box-shadow:0 2px 8px #d977571f}.history-item-content{flex:1;overflow:hidden;display:flex;flex-direction:column;gap:2px}.history-item-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:.875rem;font-weight:500}.history-item-agent{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary);font-size:.75rem}.delete-btn{background:none;border:none;font-size:1.125rem;cursor:pointer;padding:.25rem;opacity:0;transition:all .2s ease;border-radius:4px}.history-item:hover .delete-btn{opacity:.6}.delete-btn:hover{opacity:1!important;background:#d977571a}.history-footer{padding:var(--spacing-small) var(--spacing-medium);border-top:1px solid var(--border)}.clear-all-btn{width:100%;padding:.625rem 1rem;background:transparent;border:1px solid var(--primary);border-radius:var(--radius-small);color:var(--primary);font-size:.875rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease}.clear-all-btn:hover{background:var(--primary);color:#fff;box-shadow:0 2px 6px #d9775733}.clear-all-btn:active{transform:scale(.98)}.chat-interface{flex:1;display:flex;flex-direction:column;background:var(--bg);border-radius:0 0 20px;overflow:hidden}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-medium);color:var(--text-secondary)}.empty-state h2{color:var(--text);font-size:1.5rem;font-weight:600}.empty-state p{font-size:1rem}.chat-toolbar{padding:var(--spacing-medium) var(--spacing-large);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;gap:var(--spacing-small);align-items:center;box-shadow:0 2px 4px #d977570f}.toolbar-btn{padding:.5rem 1rem;background:#fff;border:2px solid var(--border);border-radius:var(--radius-small);color:var(--text);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #0000000d}.toolbar-btn:hover{border-color:var(--primary);color:var(--primary);background:#d9775714;transform:translateY(-1px);box-shadow:0 4px 8px #d9775726}.toolbar-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px #d977574d}.toolbar-btn:active{transform:scale(.98)}.selected-count{color:var(--text-secondary);font-size:.875rem;margin-left:.5rem}.chat-messages,.chat-messages-virtual{flex:1;overflow-y:auto;padding:var(--spacing-large);display:flex;flex-direction:column;gap:var(--spacing-medium)}.chat-messages::-webkit-scrollbar,.chat-messages-virtual::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track,.chat-messages-virtual::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb,.chat-messages-virtual::-webkit-scrollbar-thumb{background:var(--bg-accent);border-radius:4px}.chat-messages::-webkit-scrollbar-thumb:hover,.chat-messages-virtual::-webkit-scrollbar-thumb:hover{background:var(--border)}.chat-messages-virtual{overflow:hidden}.chat-messages-virtual>div{padding:var(--spacing-large)}.chat-messages-virtual .message{margin-bottom:var(--spacing-medium)}.message{display:flex;max-width:75%;animation:fadeIn .3s ease-in;position:relative;gap:var(--spacing-small)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.assistant{align-self:flex-start}.message-content{background:var(--bg-tertiary);padding:14px 18px;border-radius:14px;border:1px solid var(--border);color:var(--text);word-wrap:break-word;line-height:1.7;letter-spacing:.3px;font-size:.95rem}.message.user .message-content{background:#d977571f;border-color:#d9775740;color:#3a3a3a;font-weight:500;box-shadow:0 2px 8px #d9775714}.message-content p{margin-bottom:14px;line-height:1.75}.message-content p:last-child{margin-bottom:0}.message-content h1,.message-content h2,.message-content h3{margin-top:16px;margin-bottom:12px;line-height:1.4}.message-content ul,.message-content ol{margin-left:20px;margin-bottom:14px}.message-content li{margin-bottom:8px}.message-content code{background:var(--bg-accent);padding:2px 6px;border-radius:4px;font-family:Consolas,Monaco,monospace;font-size:.875em;color:var(--primary)}.message-content pre{background:var(--bg-accent);padding:var(--spacing-small);border-radius:var(--radius-small);overflow-x:auto;margin:var(--spacing-small) 0}.message-content pre code{background:none;padding:0;color:var(--text)}.message-content table{width:100%;border-collapse:collapse;margin:var(--spacing-small) 0;font-size:.95em;background:var(--bg);border-radius:var(--radius-small);overflow:hidden;box-shadow:0 1px 3px #d977571a}.message-content thead{background:#d9775714}.message-content th{padding:12px;text-align:left;font-weight:600;color:var(--primary);border-bottom:2px solid rgba(217,119,87,.2)}.message-content td{padding:10px 12px;border-bottom:1px solid var(--border)}.message-content tbody tr:last-child td{border-bottom:none}.message-content tbody tr:hover{background:#d9775708}.message-content tbody tr:nth-child(2n){background:#00000005}.message-content tbody tr:nth-child(2n):hover{background:#d977570d}.message.loading .message-content{display:flex;align-items:center;gap:.5rem}.message.loading .message-content:after{content:"";width:20px;height:20px;border:3px solid var(--bg-accent);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}.message.selectable{cursor:pointer;padding-left:var(--spacing-small);border-left:3px solid transparent;transition:all .2s ease}.message.selectable:hover{border-left-color:var(--primary)}.message.selectable:hover .message-content{background:var(--bg-accent);border-color:var(--primary)}.message.selected{border-left-color:var(--primary);background:#d9775705}.message.selected .message-content{border-color:var(--primary);background:#d977571a;box-shadow:0 2px 8px #d9775726}.message-checkbox{display:flex;align-items:flex-start;padding-top:.5rem;margin-right:12px}.message-checkbox input[type=checkbox]{width:20px;height:20px;cursor:pointer;accent-color:var(--primary);border:2px solid var(--primary);border-radius:4px;transition:all .2s ease}.message-checkbox input[type=checkbox]:hover{transform:scale(1.1);box-shadow:0 0 8px #d977574d}.message-checkbox input[type=checkbox]:checked{background:var(--primary);border-color:var(--primary)}.message-images{display:flex;flex-wrap:wrap;gap:var(--spacing-tiny);margin-bottom:var(--spacing-small)}.message-image{max-width:200px;max-height:200px;border-radius:var(--radius-small);object-fit:cover;border:1px solid var(--border);cursor:pointer;transition:transform .2s ease}.message-image:hover{transform:scale(1.05);box-shadow:0 4px 12px #d9775726}.export-pdf-root{width:900px;padding:36px 48px 48px;background:#fffaf4;display:flex;flex-direction:column;gap:24px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#1f1f1f}.export-pdf-header h1{font-size:1.75rem;color:var(--primary);margin-bottom:6px}.export-pdf-header p{font-size:.9rem;color:var(--text-secondary)}.export-message-list{display:flex;flex-direction:column;gap:20px}.export-message{width:100%;max-width:100%;align-self:stretch;flex-direction:column!important;gap:10px}.export-message .message-content{width:100%}.export-message.message.user,.export-message.message.assistant{align-self:stretch}.export-message-meta{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-secondary);padding:0 6px}.chat-input-form{position:relative;padding:var(--spacing-medium);background:var(--bg);border-top:1px solid var(--border);box-shadow:0 -2px 8px #d977570f;border-radius:0 0 20px;z-index:100}.image-preview-container{display:flex;gap:var(--spacing-small);margin-bottom:var(--spacing-small);flex-wrap:wrap}.image-preview{position:relative;width:80px;height:80px;border-radius:var(--radius-small);overflow:hidden;border:1px solid var(--border)}.image-preview img{width:100%;height:100%;object-fit:cover}.remove-image{position:absolute;top:4px;right:4px;width:24px;height:24px;background:#fffffff2;border:none;border-radius:50%;color:var(--danger);font-size:1.25rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.remove-image:hover{background:var(--danger);color:#fff;transform:scale(1.1)}.input-row{display:flex;gap:var(--spacing-small);align-items:flex-end}.attach-btn{padding:.75rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-small);font-size:1.25rem;cursor:pointer;transition:all .2s ease;flex-shrink:0}.attach-btn:hover{background:var(--bg-accent);border-color:var(--primary)}.attach-btn:disabled{opacity:.5;cursor:not-allowed}.file-input-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;opacity:0;pointer-events:none}.input-row textarea{flex:1;padding:var(--spacing-small) var(--spacing-medium);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-medium);color:var(--text);font-size:1rem;font-family:inherit;resize:none;max-height:150px;line-height:1.5;transition:all .2s cubic-bezier(.4,0,.2,1)}.input-row textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #d977571a;background:var(--bg)}.input-row textarea::placeholder{color:#b8b8b8}.input-row textarea:disabled{opacity:.6;cursor:not-allowed}.input-row button[type=submit]{padding:.75rem 1.5rem;background:var(--primary);border:none;border-radius:var(--radius-small);color:#fff;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease;flex-shrink:0;white-space:nowrap}.input-row button[type=submit]:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #d9775740}.input-row button[type=submit]:active{transform:scale(.98)}.input-row button[type=submit]:disabled{opacity:.5;cursor:not-allowed;transform:none}.mobile-menu-btn{display:none;width:44px;height:44px;background:var(--primary);border:none;border-radius:var(--radius-small);color:#fff;font-size:1.5rem;cursor:pointer;transition:all .2s ease;align-items:center;justify-content:center;flex-shrink:0;padding:0;line-height:1}.mobile-menu-btn:hover{background:var(--primary-hover);transform:scale(1.05)}.mobile-menu-btn:active{transform:scale(.95)}.mobile-fab{display:none;position:fixed;right:20px;bottom:100px;width:56px;height:56px;background:var(--primary);border:none;border-radius:50%;color:#fff;font-size:1.75rem;cursor:pointer;box-shadow:0 4px 12px #d9775766,0 2px 6px #0000001a;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:50;align-items:center;justify-content:center;padding:0;line-height:1;animation:fabIn .3s cubic-bezier(.4,0,.2,1)}.mobile-fab:hover{background:var(--primary-hover);transform:scale(1.1);box-shadow:0 6px 16px #d9775780,0 3px 8px #00000026}.mobile-fab:active{transform:scale(.95);box-shadow:0 2px 8px #d977574d,0 1px 4px #0000001a}@keyframes fabIn{0%{opacity:0;transform:scale(0) rotate(-90deg)}to{opacity:1;transform:scale(1) rotate(0)}}.mobile-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:99;animation:fadeIn .3s ease}.mobile-overlay.active{display:block}@media(max-width:1024px){.app{margin:8px;height:calc(100vh - 16px);border-radius:16px}.app-header h1{font-size:1.25rem}.chat-history{width:220px}.message{max-width:80%}}@media(max-width:768px){.app{margin:0;height:100vh;border-radius:0}.app-header{padding:12px 16px;flex-wrap:wrap;gap:12px}.app-header h1{font-size:1.125rem;flex-shrink:0}.agent-selector{order:3;flex:1 1 100%;gap:8px}.agent-selector label{font-size:.8125rem}.agent-selector select{flex:1;min-width:unset;padding:.625rem .875rem;font-size:.8125rem}.user-info{gap:12px;flex-shrink:0}.user-info span{font-size:.8125rem}.user-info button{padding:.5rem .875rem;font-size:.8125rem}.chat-history{width:280px;position:fixed;left:-280px;top:0;height:100%;z-index:100;transition:left .3s cubic-bezier(.4,0,.2,1);border-radius:0;box-shadow:4px 0 16px #0003}.chat-history.mobile-open{left:0}.mobile-menu-btn,.mobile-fab{display:flex}.chat-interface{border-radius:0}.chat-toolbar{padding:12px 16px;flex-wrap:wrap;gap:8px}.toolbar-btn{padding:.5rem .875rem;font-size:.8125rem}.message{max-width:85%}.message-content{font-size:.9rem;padding:12px 16px}.chat-messages,.chat-messages-virtual{padding:16px 12px}.chat-input-form{padding:12px}.input-row{gap:8px}.input-row textarea{font-size:.9375rem;padding:.625rem .875rem}.input-row button[type=submit]{padding:.75rem 1.25rem}.attach-btn{padding:.625rem}}@media(max-width:480px){.app-header{padding:10px 12px}.app-header h1{font-size:1rem}.user-info span{display:none}.user-info button{padding:.5rem .75rem;font-size:.75rem}.agent-selector label{display:none}.agent-selector select{font-size:.75rem;padding:.5rem .75rem}.chat-history{width:260px;left:-260px}.history-header h2{font-size:1rem}.new-chat-btn{width:32px;height:32px;font-size:1.375rem}.history-item{padding:8px 10px}.history-item-name{font-size:.8125rem}.history-item-agent{font-size:.6875rem}.clear-all-btn{padding:.5rem .875rem;font-size:.8125rem}.chat-toolbar{padding:10px 12px;gap:6px}.toolbar-btn{padding:.5rem .75rem;font-size:.75rem;white-space:nowrap}.selected-count{font-size:.75rem}.message{max-width:90%}.message-content{font-size:.875rem;padding:10px 14px;border-radius:12px}.message-content h1{font-size:1.125rem}.message-content h2{font-size:1rem}.message-content h3{font-size:.9375rem}.message-content code,.message-content table{font-size:.8125em}.message-checkbox input[type=checkbox]{width:18px;height:18px}.chat-messages,.chat-messages-virtual{padding:12px 8px;gap:12px}.chat-input-form{padding:10px}.image-preview-container{gap:8px;margin-bottom:8px}.image-preview{width:70px;height:70px}.input-row{gap:6px}.input-row textarea{font-size:.875rem;padding:.5rem .75rem}.input-row button[type=submit]{padding:.625rem 1rem;font-size:.8125rem}.attach-btn{padding:.5rem;font-size:1.125rem}.mobile-fab{width:52px;height:52px;right:16px;bottom:90px;font-size:1.625rem}.login-container{padding:16px}.login-box{padding:2rem 1.5rem}.login-box h1{font-size:1.5rem;margin-bottom:1.5rem}.login-box input,.login-box button{font-size:.9375rem;padding:.625rem .875rem}.modal-content{padding:1.5rem;width:95%}.pdf-quality-dialog h3{font-size:1.25rem}.modal-desc{font-size:.875rem}.quality-option{padding:12px}.quality-title{font-size:1rem}.quality-desc{font-size:.8125rem}.quality-size{font-size:.75rem}.empty-state h2{font-size:1.25rem}.empty-state p{font-size:.875rem}.loading-screen,.error-screen{padding:20px}.error-screen h2{font-size:1.25rem}.error-screen p,.loading-screen p{font-size:.875rem}.long-wait-notice{font-size:.8125rem;padding:12px 14px}.notice-warning{font-size:.8125rem}.notice-tip{font-size:.75rem}}@media(max-width:360px){.app-header h1{font-size:.9375rem}.mobile-menu-btn{width:40px;height:40px;font-size:1.375rem}.user-info button{padding:.5rem;font-size:.6875rem}.chat-history{width:240px;left:-240px}.message{max-width:92%}.message-content{font-size:.8125rem;padding:8px 12px}.toolbar-btn{padding:.5rem;font-size:.6875rem}.input-row button[type=submit]{padding:.5rem .75rem;font-size:.75rem}.mobile-fab{width:48px;height:48px;right:12px;bottom:85px;font-size:1.5rem}}@media(max-height:600px)and (orientation:landscape){.app-header{padding:8px 12px}.app-header h1{font-size:.9375rem}.chat-toolbar{padding:8px 12px}.chat-messages,.chat-messages-virtual{padding:12px}.chat-input-form{padding:8px 12px}.input-row textarea{max-height:80px}.login-box{padding:1.5rem}.login-box h1{font-size:1.25rem;margin-bottom:1rem}.mobile-fab{width:48px;height:48px;right:12px;bottom:80px}}@media(hover:none)and (pointer:coarse){button,.history-item,.toolbar-btn,.attach-btn{min-height:44px;min-width:44px}.history-item:hover{background:var(--bg-tertiary);transform:none}.history-item:active{background:var(--bg-accent);transform:translate(2px)}.toolbar-btn:hover{border-color:var(--border);color:var(--text);background:#fff;transform:none}.toolbar-btn:active{border-color:var(--primary);color:var(--primary);background:#d9775714}.attach-btn:hover{background:var(--bg-tertiary);border-color:var(--border)}.attach-btn:active{background:var(--bg-accent);border-color:var(--primary);transform:scale(.95)}button:active{opacity:.7}}.modal-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg);border-radius:var(--radius-large);padding:var(--spacing-large);box-shadow:0 20px 60px #0000004d;max-width:500px;width:90%;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.pdf-quality-dialog h3{margin:0 0 var(--spacing-tiny) 0;color:var(--primary);font-size:1.5rem;text-align:center}.modal-desc{text-align:center;color:var(--text-secondary);margin-bottom:var(--spacing-medium);font-size:.95rem}.quality-options{display:flex;flex-direction:column;gap:var(--spacing-small);margin-bottom:var(--spacing-medium)}.quality-option{background:var(--bg-accent);border:2px solid var(--border);border-radius:var(--radius-medium);padding:var(--spacing-medium);cursor:pointer;transition:all .2s ease;text-align:left}.quality-option:hover{border-color:var(--primary);background:#d977570d;transform:translate(4px);box-shadow:0 4px 12px #d9775726}.quality-option:active{transform:translate(2px)}.quality-title{font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:var(--spacing-tiny)}.quality-desc{font-size:.9rem;color:var(--text-secondary);margin-bottom:var(--spacing-tiny)}.quality-size{font-size:.85rem;color:var(--primary);font-weight:500}.modal-close{width:100%;padding:var(--spacing-small) var(--spacing-medium);background:var(--bg-accent);border:1px solid var(--border);border-radius:var(--radius-medium);cursor:pointer;transition:all .2s ease;font-size:1rem;color:var(--text)}.modal-close:hover{background:var(--border);transform:translateY(-2px)}.modal-close:active{transform:translateY(0)}.report-btn{position:relative;font-weight:600!important}.report-badge{position:absolute;top:-6px;right:-6px;background:var(--danger);color:#fff;font-size:.7rem;font-weight:600;padding:2px 6px;border-radius:10px;min-width:18px;text-align:center}.report-modal{max-width:600px!important}.report-list{max-height:400px;overflow-y:auto;overflow-x:hidden;margin-bottom:var(--spacing-medium)}.report-item{display:flex;align-items:center;gap:var(--spacing-small);padding:var(--spacing-small) var(--spacing-medium);background:var(--bg-accent);border:1px solid var(--border);border-radius:var(--radius-medium);margin-bottom:var(--spacing-small);cursor:pointer;transition:all .2s ease;position:relative}.report-item:hover{background:#d977570d;border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #d9775733}.report-item.unread{border-left:4px solid var(--primary);background:#d9775708}.report-icon{font-size:2rem;flex-shrink:0}.report-info{flex:1}.report-title{font-weight:600;color:var(--text);margin-bottom:4px}.report-date{font-size:.85rem;color:var(--text-secondary)}.unread-badge{position:absolute;top:var(--spacing-small);right:var(--spacing-small);background:var(--primary);color:#fff;font-size:.7rem;font-weight:600;padding:2px 8px;border-radius:12px}.report-viewer{max-width:900px!important;max-height:85vh;display:flex;flex-direction:column}.report-viewer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-medium);padding-bottom:var(--spacing-small);border-bottom:2px solid var(--border)}.report-viewer-header h3{margin:0;color:var(--primary);font-size:1.5rem}.report-viewer-actions{display:flex;gap:var(--spacing-small)}.action-btn{padding:.5rem 1rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-small);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap}.action-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #d977574d}.action-btn.close-btn{background:var(--bg-tertiary);color:var(--text);border:1px solid var(--border)}.action-btn.close-btn:hover{background:var(--bg-accent);border-color:var(--primary)}.report-viewer-content{flex:1;overflow-y:auto;padding:var(--spacing-medium) 0;line-height:1.8;color:var(--text)}.report-viewer-content::-webkit-scrollbar{display:none}.report-viewer-content{-ms-overflow-style:none;scrollbar-width:none}.report-viewer-content h1,.report-viewer-content h2,.report-viewer-content h3{color:var(--primary);margin-top:var(--spacing-medium);margin-bottom:var(--spacing-small)}.report-viewer-content h1{font-size:1.8rem;border-bottom:2px solid var(--primary);padding-bottom:var(--spacing-small)}.report-viewer-content h2{font-size:1.4rem}.report-viewer-content h3{font-size:1.1rem}.report-viewer-content p{margin-bottom:var(--spacing-small)}.report-viewer-content ul,.report-viewer-content ol{margin-left:var(--spacing-large);margin-bottom:var(--spacing-small)}.report-viewer-content li{margin-bottom:var(--spacing-tiny)}.report-viewer-content strong{color:var(--primary);font-weight:600}.report-viewer-content code{background:var(--bg-accent);padding:2px 6px;border-radius:4px;font-size:.9em;color:var(--primary)}.report-viewer-content pre{background:var(--bg-accent);padding:var(--spacing-medium);border-radius:var(--radius-medium);overflow-x:auto;margin:var(--spacing-small) 0}.global-report-modal{max-width:960px!important}.global-report-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.global-report-list{display:flex;flex-direction:column;gap:16px;max-height:60vh;overflow-y:auto;overflow-x:hidden;padding-right:8px}.global-report-item{border:1px solid var(--border);border-radius:16px;padding:16px 20px;background:linear-gradient(135deg,#f7f9ffe6,#ffffffe6);box-shadow:0 12px 24px #0f172a14}.global-report-title{font-size:1rem;font-weight:600;color:var(--text)}.global-report-info{display:flex;flex-wrap:wrap;gap:12px;color:#6b7280;font-size:.85rem;margin-top:4px}.global-report-actions{margin:10px 0}.global-report-preview{max-height:220px;overflow:hidden;border-radius:12px;border:1px dashed rgba(79,117,255,.3);padding:12px;background:#fff}.report-viewer-content blockquote{border-left:4px solid var(--primary);padding-left:var(--spacing-medium);color:var(--text-secondary);margin:var(--spacing-small) 0;font-style:italic}.report-viewer-content table{width:100%;border-collapse:collapse;margin:var(--spacing-small) 0}.report-viewer-content th,.report-viewer-content td{padding:var(--spacing-small);border:1px solid var(--border);text-align:left}.report-viewer-content th{background:var(--bg-accent);font-weight:600;color:var(--primary)}.report-viewer-content tr:nth-child(2n){background:#d9775705}@media(max-width:768px){.report-modal,.report-viewer{max-width:95%!important}.report-viewer{max-height:90vh}.report-viewer-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-small)}.report-viewer-actions{width:100%;justify-content:space-between}.action-btn{flex:1}.report-item{padding:var(--spacing-small)}.report-icon{font-size:1.5rem}}