.custom-message-input-wrapper{background:#fff;gap:10px;align-items:stretch;border-top:1px solid rgba(0,0,0,.1);padding:var(--space-lg)}.file-preview-area{display:flex;flex-wrap:wrap;gap:8px;padding:12px;background:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:12px}.file-chip{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #e2e8f0;border-radius:var(--radius-md);padding:6px 12px;font-size:14px;transition:all .2s ease}.file-chip:hover{border-color:var(--brand-color-primary);box-shadow:var(--shadow-sm)}.file-chip-icon{color:var(--brand-color-primary);width:16px;height:16px}.file-chip-name{color:var(--text-secondary);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-chip-remove{--vaadin-button-background: transparent;--vaadin-button-min-width: auto;padding:0;width:20px;height:20px;color:var(--text-muted)}.file-chip-remove:hover{color:#ef4444}.input-row{display:flex;gap:12px;align-items:center}.message-input-field{flex:1}vaadin-text-area.message-input-field{--vaadin-input-field-border-width: 1px;--vaadin-input-field-border-color: #e2e8f0;--vaadin-input-field-hover-border-color: var(--brand-color-primary);--vaadin-input-field-focus-ring-color: rgba(11, 91, 138, .25);--vaadin-input-field-background: #f8fafc;--vaadin-input-field-border-radius: 12px;min-height:48px;transition:all .2s ease}vaadin-text-area.message-input-field::part(input-field){padding:12px 16px;font-size:15px;line-height:1.5;color:var(--text-primary);background:#f8fafc;border-radius:12px}vaadin-text-area.message-input-field::part(input-field):focus{background:#fff}vaadin-button.message-upload-button{--vaadin-button-background: transparent;--vaadin-button-height: 48px;--vaadin-button-min-width: 48px;padding:0 12px;box-shadow:none;border-radius:var(--radius-md);transition:all .2s ease}vaadin-button.message-upload-button:hover{background-color:#f1f5f9}vaadin-button.message-upload-button vaadin-icon,vaadin-button.message-upload-button iron-icon{color:var(--brand-color-primary);width:20px;height:20px}vaadin-button.message-send-button{background:var(--gradient-button);--vaadin-button-height: 48px;--vaadin-button-min-width: 48px;padding:0 22px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:all .2s ease;width:48px;min-width:48px;flex-shrink:0}vaadin-button.message-send-button:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}vaadin-button.message-send-button:disabled{opacity:.5;cursor:not-allowed}vaadin-button.message-send-button vaadin-icon,vaadin-button.message-send-button iron-icon{color:#fff;width:20px;height:20px}.input-disclaimer{display:flex;align-items:center;gap:8px;margin-top:6px;padding:8px 10px;border-radius:var(--radius-sm);background:#f8fafc;color:var(--text-secondary);font-size:12px;line-height:1.4;width:100%;box-sizing:border-box}.disclaimer-icon{color:var(--brand-color-primary)}.disclaimer-title{font-weight:var(--font-weight-semibold);color:var(--text-primary)}.disclaimer-text{color:var(--text-secondary);flex:1;font-weight:var(--font-weight-normal)}.chat-toggle-button{background-color:#fff;color:var(--brand-color-primary);border-radius:50%;width:70px;font-size:44px;box-shadow:var(--shadow-lg);position:fixed;bottom:20px;right:20px;--vaadin-button-height: 70px;transition:all .3s ease;z-index:1000}.chat-toggle-button:hover{box-shadow:var(--shadow-xl);transform:scale(1.05)}.chat-window{width:550px;height:600px;background:#fff;border:none;border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);position:fixed;bottom:100px;right:24px;display:flex;flex-direction:column;padding:0;gap:0;overflow:hidden;animation:scaleIn .3s ease;z-index:999}.chat-window>.custom-chat-display-wrapper{flex:1;min-height:0}.chat-window>vaadin-vertical-layout,.chat-window>.uploaded-files-list-wrapper,.chat-window>.custom-message-input-wrapper{flex:0 0 auto}.chat-window>.input-message.custom-message-input-wrapper{padding:5px 12px 8px 8px}.chat-window__header{display:flex;align-items:center;gap:14px;padding:16px 18px;background:#f8fafc;color:var(--text-primary);flex-shrink:0;border-bottom:5px solid;border-image:var(--gradient-header) 1}.chat-window__icon-wrapper{width:54px;height:54px;background:#fff;border-radius:50%;border:2px solid #e2e8f0;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:3px;box-shadow:var(--shadow-sm)}.chat-window__brand-logo{width:100%;height:100%;object-fit:contain;border-radius:50%}.chat-window__title-group{display:flex;flex-direction:column;gap:2px;flex:1}.chat-window__brand-title{font-weight:var(--font-weight-bold);font-size:17px;line-height:var(--line-height-tight);color:var(--text-primary)}.chat-window__brand-subtitle{font-size:13px;color:var(--text-tertiary)}.chat-window__header .chat-header-status{display:flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;border:1px solid #e2e8f0;background:#fff;flex-shrink:0}.chat-window__header .chat-header-status-dot{width:7px;height:7px;border-radius:50%;background:#22c55e}.chat-window__header .chat-header-status-text{font-size:12px;font-weight:var(--font-weight-medium);color:var(--text-secondary)}.gemh-login-form-container{background-color:#fff;border-radius:12px;padding:20px;margin:0;max-width:500px;box-shadow:0 2px 8px #00000026;border:1px solid #e0e0e0}.gemh-login-form-icon{font-size:24px;margin-right:8px}.gemh-login-form-title{font-weight:500;font-size:16px;color:#333}.gemh-login-form-title-container{display:flex;align-items:center;margin-bottom:16px}vaadin-text-field.login-username-field{margin-top:8px}vaadin-password-field.login-password-field{margin-top:12px}vaadin-button.login-button{background-color:#1976d2;color:#fff;border:none;border-radius:6px;padding:10px 18px;cursor:pointer;font-weight:700;margin-top:16px}vaadin-button.login-button:hover{background-color:#1565c0}.custom-chat-display-wrapper{min-height:0;overflow:hidden;display:flex;flex-direction:column;background:linear-gradient(to bottom,#f8fafc,#fff)}.custom-chat-display-scroller{width:100%;height:100%;min-height:0;border:none;border-radius:var(--radius-lg);background-color:transparent;overflow-y:auto;padding:var(--space-xl);box-sizing:border-box;scroll-behavior:smooth}.custom-chat-display-scroller::-webkit-scrollbar{width:8px}.custom-chat-display-scroller::-webkit-scrollbar-track{background:transparent;border-radius:10px;margin:8px 0}.custom-chat-display-scroller::-webkit-scrollbar-thumb{background:var(--brand-color-primary-10);border-radius:10px;transition:background .2s ease}.custom-chat-display-scroller::-webkit-scrollbar-thumb:hover{background:var(--brand-color-primary-50)}.custom-chat-display-scroller::-webkit-scrollbar-thumb:active{background:var(--brand-color-primary)}.custom-chat-display-scroller{scrollbar-width:thin;scrollbar-color:var(--brand-color-primary-10) transparent}.custom-chat-display-container{width:100%;display:flex;flex-direction:column;gap:var(--space-md);padding:0;box-sizing:border-box}.custom-chat-message{width:fit-content;max-width:75%;margin-bottom:8px}.message-row-user{margin-left:auto;margin-right:0}.message-row-assistant{margin-left:0;margin-right:auto}vaadin-message-list.custom-chat-message{padding:0}vaadin-message-list.custom-chat-message::part(list){padding:0;gap:0}vaadin-message-list.custom-chat-message vaadin-message{padding:0;gap:12px;align-items:flex-start}.message-row{display:flex;gap:12px;margin:12px 0;align-items:flex-start;width:100%}.message-avatar{width:40px;height:40px;min-width:40px;border-radius:50%;background:#0b5b8a;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;box-shadow:var(--shadow-sm)}.message-avatar-icon{width:20px;height:20px;color:#fff}.message-bubble{max-width:75%;padding:12px 16px;border-radius:16px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:6px;word-wrap:break-word;word-break:break-word}.message-bubble-user{background:#0b5b8a;color:#fff;border-top-right-radius:4px}.message-bubble-assistant{background:#f1f5f9;color:var(--text-primary);border-top-left-radius:4px}.message-timestamp{font-size:11px;color:var(--text-muted)}.message-text{font-size:15px;line-height:var(--line-height-normal);white-space:normal}.custom-chat-component-wrapper{width:100%;display:flex;justify-content:flex-start;align-items:flex-start;animation:fadeInUp .3s ease-out}.message-row{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start;width:100%}.message-row-user{justify-content:flex-end}.message-row-assistant{justify-content:flex-start}.message-avatar{width:40px;height:40px;min-width:40px;border-radius:50%;background:#0b5b8a;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.message-avatar vaadin-icon,.message-avatar iron-icon{color:#fff}.message-bubble{max-width:70%;width:fit-content;border-radius:16px;box-shadow:0 6px 18px #0000000f}.message-row-user .message-bubble{background:#e8f0f8;color:#0f172a;border-radius:16px 4px 16px 16px}.message-row-assistant .message-bubble{background:#f1f5f9;color:var(--text-primary);border-radius:4px 16px 16px}.message-bubble strong{font-weight:var(--font-weight-bold)}.message-bubble em{font-style:italic}.message-bubble code{background:#0000000d;padding:2px 6px;border-radius:4px;font-family:monospace;font-size:14px}.message-row-user .message-bubble code{background:#fff3}.message-bubble-content{padding:12px 16px;box-sizing:border-box}.message-bubble-content::part(list){padding:0;gap:0}.message-bubble-content::part(items){width:100%}.message-bubble-content vaadin-message{padding:0}.message-bubble-content vaadin-avatar{display:none}.message-bubble-content vaadin-message::part(content){font-size:15px;line-height:var(--line-height-normal);padding:0;color:inherit;background:transparent}.message-bubble-content vaadin-message::part(time){font-size:11px;color:var(--text-muted);margin-bottom:6px}.message-row-user .message-bubble-content vaadin-message::part(time){color:#64748b}.message-row-assistant .message-bubble-content vaadin-message::part(time){color:#94a3b8}.typing-indicator{display:flex;gap:12px;align-items:flex-start;margin-bottom:var(--space-lg)}.typing-indicator-avatar{width:40px;height:40px;border-radius:50%;background:#0b5b8a;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.typing-indicator-bubble{background:#f1f5f9;border-radius:4px 16px 16px;padding:16px 20px;box-shadow:var(--shadow-sm)}.typing-dots-container{display:flex;gap:6px}.typing-dot{width:8px;height:8px;border-radius:50%;background:#94a3b8;animation:typingDot 1s ease-in-out infinite}.typing-dot:nth-child(1){animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}.modal-open:before{content:"";position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;animation:fadeIn .2s ease}.file-upload-modal{border-radius:var(--radius-xl);box-shadow:var(--shadow-xl)}.file-upload-modal::part(overlay){border-radius:var(--radius-xl)}.file-upload-modal::part(header){padding:var(--space-xl);border-bottom:1px solid #e2e8f0}.file-upload-modal::part(content){padding:var(--space-xl);max-height:60vh;overflow-y:auto}.file-upload-modal::part(footer){padding:var(--space-xl);border-top:1px solid #e2e8f0;background:var(--bg-secondary)}.upload-drop-zone{border:2px dashed #cbd5e1;border-radius:var(--radius-xl);padding:var(--space-2xl);text-align:center;transition:all .2s ease;cursor:pointer;background:#f8fafc;box-shadow:inset 0 1px #fffc}.upload-drop-zone:hover{border-color:#0b5b8a;background:#eef5fb}.upload-drop-zone.drag-active{border-color:#0b5b8a;background:#e0edfa}.upload-icon{color:#0b5b8a;margin-bottom:var(--space-md);width:48px;height:48px}.upload-title{display:block;color:#0b5b8a;font-weight:var(--font-weight-medium);font-size:16px;margin-bottom:var(--space-xs)}.upload-subtitle{display:block;color:var(--text-tertiary);font-size:14px}.upload-drop-label{display:flex;flex-direction:column;align-items:center;gap:4px}.custom-upload-component{margin:var(--space-lg) 0}.files-list-container{margin-top:var(--space-lg);gap:var(--space-sm);max-height:300px;overflow-y:auto}.file-upload-item{display:flex;align-items:start;gap:12px;padding:12px;border:1px solid #e2e8f0;border-radius:var(--radius-md);background:#fff;transition:all .2s ease}.file-upload-item:hover{border-color:var(--brand-color-primary);box-shadow:var(--shadow-sm)}.file-icon-wrapper{flex-shrink:0;width:40px;height:40px;border-radius:var(--radius-md);background:#f1f5f9;display:flex;align-items:center;justify-content:center}.file-icon{color:var(--brand-color-primary);width:20px;height:20px}.file-content-area{flex:1;min-width:0}.file-info{margin-bottom:8px}.file-name{display:block;color:var(--text-primary);font-weight:var(--font-weight-medium);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{color:var(--text-tertiary);font-size:12px}.file-remove-btn{--vaadin-button-background: transparent;--vaadin-button-min-width: auto;padding:0;width:24px;height:24px;color:var(--text-muted);flex-shrink:0}.file-remove-btn:hover{color:#ef4444}.progress-bar-container{height:6px;background:#e2e8f0;border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--gradient-button);transition:width .3s ease;border-radius:3px}.file-status{display:flex;align-items:center;gap:8px}.typing-dots{display:flex;gap:4px}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-color-primary);animation:typingDot 1s ease-in-out infinite}.status-text{color:var(--text-tertiary);font-size:12px}.status-icon-complete{color:#10b981;width:16px;height:16px}.status-text-complete{color:#10b981;font-size:12px;font-weight:var(--font-weight-medium)}.status-icon-error{color:#ef4444;width:16px;height:16px}.status-text-error{color:#ef4444;font-size:12px;font-weight:var(--font-weight-medium)}.upload-submit-button{width:100%;background:var(--gradient-button);color:#fff;padding:12px 24px;border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:all .2s ease}.upload-submit-button:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.upload-submit-button:disabled{opacity:.5;cursor:not-allowed}.upload-file-popup{border-radius:var(--radius-xl);box-shadow:var(--shadow-xl)}.upload-file-popup::part(overlay){background:#fff;box-shadow:var(--shadow-xl)}.upload-file-popup::part(header){padding:var(--space-xl);border-bottom:1px solid #e2e8f0}.upload-file-popup::part(header-content){font-size:18px;font-weight:var(--font-weight-semibold);color:var(--text-primary)}.upload-file-popup::part(content){padding:var(--space-xl)}.upload-file-list{max-height:300px;overflow-y:auto;padding:0 var(--space-lg) var(--space-lg);gap:12px}.upload-file-item{display:flex;align-items:center;justify-content:space-between;padding:12px;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid #e2e8f0;transition:all .2s ease;animation:slideDown .3s ease-out}.upload-file-item:hover{border-color:var(--brand-color-primary);box-shadow:var(--shadow-sm)}.upload-file-info{display:flex;align-items:center;gap:12px;flex:1}.upload-file-icon{color:var(--brand-color-primary)}.upload-file-name{font-size:14px;color:var(--text-primary);font-weight:var(--font-weight-medium)}.upload-file-status{display:flex;align-items:center;min-width:100px;justify-content:flex-end}.upload-progress-bar{width:100px;height:6px;--vaadin-progress-value-background: var(--brand-color-primary)}.processing-indicator{display:flex;gap:4px;align-items:center}.processing-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-color-primary);animation:typingDot 1s ease-in-out infinite}.processing-dot:nth-child(1){animation-delay:0s}.processing-dot:nth-child(2){animation-delay:.2s}.processing-dot:nth-child(3){animation-delay:.4s}.upload-status-icon{flex-shrink:0}.upload-status-complete{color:#10b981}.upload-status-error{color:#ef4444}.upload-file-popup .upload-drop-zone{margin:var(--space-md) 0;border:2px dashed #cbd5e1;border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;transition:all .2s ease;cursor:pointer;background:#fff}.upload-file-popup .upload-drop-zone:hover{border-color:var(--brand-color-primary);background:#f8fafc}.upload-icon-custom{color:#94a3b8;margin-bottom:8px}.upload-icon-custom svg{width:48px;height:48px;stroke-width:1.5}.upload-import-button{width:100%;background:linear-gradient(90deg,#0b5b8a,#1e5a8e);color:#fff;border-radius:var(--radius-lg);padding:12px 24px;font-size:16px;font-weight:var(--font-weight-medium);border:none;cursor:pointer;transition:all .2s ease;margin-top:var(--space-md)}.upload-import-button:hover:not([disabled]){box-shadow:0 10px 25px #0b5b8a2e;transform:translateY(-1px)}.upload-import-button[disabled]{opacity:.5;cursor:not-allowed;transform:none}.upload-processing-overlay{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);padding:var(--space-2xl);text-align:center;min-height:120px;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:var(--radius-lg)}.upload-spinner{width:48px;height:48px;border:4px solid #e2e8f0;border-top-color:var(--brand-color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.upload-processing-text{color:var(--text-secondary);font-size:16px;font-weight:var(--font-weight-medium)}.documents-container{background:#f8fafc;border:1px solid #e2e8f0;border-radius:var(--radius-lg);padding:var(--space-lg);gap:10px;animation:fadeIn .3s ease}.document-item{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid #e2e8f0;border-radius:var(--radius-lg);padding:12px 14px;transition:all .2s ease;gap:12px}.document-item:hover{border-color:var(--brand-color-primary);box-shadow:var(--shadow-sm)}.document-name{flex:1;color:#0f172a;font-size:14px;font-weight:var(--font-weight-medium);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}vaadin-button.document-delete-btn{--vaadin-button-background: transparent;--vaadin-button-min-width: auto;padding:4px;width:28px;height:28px;color:#94a3b8;border-radius:var(--radius-sm);transition:all .2s ease}vaadin-button.document-delete-btn:hover{background:#fff1f2;color:#ef4444}vaadin-button.document-delete-btn vaadin-icon{width:18px;height:18px}html{--brand-color-primary: #0B5B8A;--brand-color-primary-50: rgba(11, 91, 138, .5);--brand-color-primary-10: rgba(11, 91, 138, .1);--brand-color-secondary: #1E5A8E;--brand-color-accent: #c63a68;--brand-color-purple: #7B3F91;--brand-color-dark: #030213;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-muted: #ececf0;--bg-input: #f3f3f5;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #64748b;--text-muted: #94a3b8;--text-disabled: #cbd5e1;--gradient-header: linear-gradient(105deg, #084a75 0%, #084a75 35%, #c63a68 100%);--gradient-button: linear-gradient(90deg, #0B5B8A 0%, #c63a68 100%);--gradient-bg: linear-gradient(to bottom, #f8fafc, #ffffff);--space-xs: .25rem;--space-sm: .5rem;--space-md: .75rem;--space-lg: 1rem;--space-xl: 1.5rem;--space-2xl: 2rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 14px;--radius-xl: 20px;--radius-2xl: 24px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--font-size-base: 16px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-normal: 1.5;--line-height-tight: 1.2;--lumo-primary-color: var(--brand-color-primary);--lumo-primary-color-50pct: var(--brand-color-primary-50);--lumo-primary-color-10pct: var(--brand-color-primary-10);--lumo-primary-text-color: var(--brand-color-primary);--lumo-base-color: var(--bg-primary);--lumo-contrast-60pct: var(--text-secondary);--lumo-contrast-90pct: var(--text-primary);--lumo-required-field-indicator-color: var(--brand-color-primary)}body{font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes typingDot{0%,60%,to{transform:scale(1);opacity:.5}30%{transform:scale(1.2);opacity:1}}@keyframes slideDown{0%{max-height:0;opacity:0}to{max-height:300px;opacity:1}}.main-chat-view{background:var(--gradient-bg);min-height:100vh;padding:var(--space-2xl)}.chat-container{background:var(--bg-primary);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);overflow:hidden;max-height:85vh;display:flex;flex-direction:column}.chat-header{background:#f8fafc;padding:20px var(--space-xl);display:flex;align-items:center;gap:16px;color:var(--text-primary);width:100%;box-sizing:border-box;flex-shrink:0;border-bottom:5px solid;border-image:var(--gradient-header) 1}.chat-header-icon-wrapper{width:64px;height:64px;background:#fff;border-radius:50%;border:2px solid #e2e8f0;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:4px;box-shadow:var(--shadow-sm)}.chat-header-logo{width:100%;height:100%;object-fit:contain;border-radius:50%}.chat-header-title-group{display:flex;flex-direction:column;gap:2px;flex:1}.chat-header-title{font-size:20px;font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--text-primary)}.chat-header-subtitle{font-size:14px;color:var(--text-tertiary)}.chat-header-status{display:flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;border:1px solid #e2e8f0;background:#fff;flex-shrink:0}.chat-header-status-dot{width:8px;height:8px;border-radius:50%;background:#22c55e}.chat-header-status-text{font-size:13px;font-weight:var(--font-weight-medium);color:var(--text-secondary)}