.error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--background);padding:var(--spacing-lg)}.error-boundary-content{background:var(--surface);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);text-align:center;max-width:500px;width:100%}.error-icon{font-size:4rem;color:var(--error);margin-bottom:var(--spacing-lg)}.error-boundary-content h2{color:var(--text-primary);margin-bottom:var(--spacing-md);font-size:var(--font-size-2xl)}.error-boundary-content p{color:var(--text-secondary);margin-bottom:var(--spacing-lg);line-height:1.6}.error-actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap;margin-bottom:var(--spacing-lg)}.error-details{text-align:right;margin-top:var(--spacing-lg);border:1px solid var(--border);border-radius:var(--border-radius-md);overflow:hidden}.error-details summary{background:var(--primary-light);color:#fff;padding:var(--spacing-sm) var(--spacing-md);cursor:pointer;font-weight:var(--font-weight-medium)}.error-details summary:hover{background:var(--primary)}.error-stack{background:#f8f9fa;padding:var(--spacing-md);margin:0;font-family:Courier New,monospace;font-size:var(--font-size-sm);color:#333;white-space:pre-wrap;word-break:break-word;max-height:300px;overflow-y:auto}[data-theme=dark] .error-stack{background:#2d2d2d;color:#f8f9fa}@media (max-width: 480px){.error-boundary-content{padding:var(--spacing-lg)}.error-actions{flex-direction:column}.error-actions .btn{width:100%}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-md)}.loading-overlay{position:fixed;inset:0;background-color:#00000080;z-index:9999;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.loading-spinner{display:flex;align-items:center;justify-content:center}.spinner{border-radius:50%;border-style:solid;animation:spin 1s linear infinite}.loading-sm 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4px 12px #25d36666;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;z-index:10001}.chat-widget:hover{transform:scale(1.1);box-shadow:0 6px 16px #25d36680}.chat-widget:active{transform:scale(1.05)}.chat-widget.active{background:linear-gradient(135deg,#128c7e,#075e54)}.chat-widget-icon{width:30px;height:30px;color:#fff;stroke:currentColor}.chat-widget-badge{position:absolute;top:-5px;right:-5px;min-width:22px;height:22px;border-radius:11px;background:#e74c3c;color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 6px;box-shadow:0 2px 4px #0003;animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}html[dir=rtl] .chat-widget{left:auto;right:20px}html[dir=rtl] .chat-widget-badge{right:auto;left:-5px}@media (max-width: 768px){.chat-widget{bottom:80px;width:56px;height:56px}.chat-widget-icon{width:28px;height:28px}.chat-widget-badge{min-width:20px;height:20px;font-size:10px}}.conversation-list{flex:1;overflow-y:auto;background:var(--surface-color, #fff)}.conversation-list-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;color:var(--text-secondary, #666);text-align:center;height:100%}.conversation-list-empty svg{width:80px;height:80px;color:var(--text-disabled, #ccc);margin-bottom:16px}.conversation-list-empty p{margin:8px 0;font-size:16px;color:var(--text-secondary, #666)}.conversation-list-empty-hint{font-size:14px;color:var(--text-disabled, #999)}.conversation-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background .2s;border-bottom:1px solid var(--border-color, #e0e0e0)}.conversation-item:hover{background:var(--hover-color, #f5f5f5)}.conversation-item:active{background:var(--active-color, 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#000);align-self:flex-start;border-bottom-left-radius:2px}.message-bubble.own{background:linear-gradient(135deg,#dcf8c6,#d1f2bc);color:#000;align-self:flex-end;border-bottom-right-radius:2px}.message-bubble.first{margin-top:4px}.message-bubble.last{margin-bottom:8px}.message-reply{display:flex;gap:8px;padding:8px;margin-bottom:8px;background:#0000000d;border-radius:6px;cursor:pointer}.message-reply-bar{width:3px;background:#25d366;border-radius:2px;flex-shrink:0}.message-reply-content{flex:1;min-width:0}.message-reply-sender{font-size:12px;font-weight:600;color:#25d366;display:block;margin-bottom:2px}.message-reply-text{font-size:13px;color:var(--text-secondary, #666);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-image{margin-bottom:4px;border-radius:6px;overflow:hidden;max-width:250px}.message-image 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.message-edited{color:#aaa}.message-actions{display:flex;gap:4px;margin-bottom:4px;padding:0 4px}.message-action-btn{background:none;border:none;cursor:pointer;font-size:16px;padding:4px 6px;border-radius:4px;transition:background-color .2s ease}.message-action-btn:hover{background-color:#0000001a}.message-action-btn.delete:hover{background-color:#ff00001a}@media (max-width: 768px){.message-bubble{max-width:85%;font-size:15px}.message-content{font-size:15px}}.typing-indicator-wrapper{display:flex;align-items:center;gap:8px;padding:8px 12px;margin-bottom:8px}.typing-indicator{display:flex;align-items:center;gap:4px;padding:12px 16px;background:var(--message-other-bg, #fff);border-radius:18px 18px 18px 2px}.typing-dot{width:8px;height:8px;background:#999;border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}@keyframes 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#666);text-align:center;padding:40px 20px}.message-list-empty svg{width:80px;height:80px;color:var(--text-disabled, #ccc);margin-bottom:16px}.message-list-empty p{margin:8px 0;font-size:16px}.message-list-empty-hint{font-size:14px;color:var(--text-disabled, #999)}[data-theme=dark] .message-list{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="%230a0a0a" width="100" height="100"/><g opacity="0.05"><circle cx="25" cy="25" r="3" fill="%23fff"/><circle cx="75" cy="25" r="3" fill="%23fff"/><circle cx="25" cy="75" r="3" fill="%23fff"/><circle cx="75" cy="75" r="3" fill="%23fff"/></g></svg>')}.message-list::-webkit-scrollbar{width:6px}.message-list::-webkit-scrollbar-track{background:transparent}.message-list::-webkit-scrollbar-thumb{background:#0003;border-radius:3px}.message-list::-webkit-scrollbar-thumb:hover{background:#0000004d}[data-theme=dark] 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#999)}.message-input-field:disabled{opacity:.6;cursor:not-allowed}.message-send-button{width:36px;height:36px;border-radius:50%;border:none;background:var(--button-disabled-bg, #e0e0e0);color:var(--button-disabled-color, #999);display:flex;align-items:center;justify-content:center;cursor:not-allowed;transition:all .3s;flex-shrink:0}.message-send-button.active{background:linear-gradient(135deg,#25d366,#128c7e);color:#fff;cursor:pointer;transform:scale(1)}.message-send-button.active:hover{transform:scale(1.05);box-shadow:0 2px 8px #25d3664d}.message-send-button.active:active{transform:scale(.95)}.message-send-button:disabled{opacity:.6;cursor:not-allowed;transform:scale(1)!important}.message-send-icon{width:20px;height:20px;color:inherit;fill:currentColor}.message-send-icon.sending{animation:spin 1s linear infinite;stroke:currentColor}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}[data-theme=dark] 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#666);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;position:relative}.modal-tab:hover{background:var(--hover-color, #f5f5f5)}.modal-tab.active{color:var(--primary-color, #25d366)}.modal-tab.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--primary-color, #25d366)}.modal-body{flex:1;overflow-y:auto;padding:16px}.group-info{margin-bottom:16px}.group-name-input,.group-description-input{width:100%;padding:12px;border:1px solid var(--border-color, #e0e0e0);border-radius:8px;font-size:14px;font-family:inherit;color:var(--text-primary, #000);background:var(--input-bg, #f8f9fa);transition:all .2s;margin-bottom:12px}.group-name-input:focus,.group-description-input:focus{outline:none;border-color:var(--primary-color, #25d366);background:var(--surface-color, #fff)}.group-description-input{resize:vertical}.user-search{margin-bottom:12px}.user-search-input{width:100%;padding:12px 16px;border:1px solid var(--border-color, 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img{width:100%;height:100%;object-fit:cover}.user-info{flex:1;min-width:0}.user-name{display:block;font-size:15px;font-weight:500;color:var(--text-primary, #000);margin-bottom:2px}.user-role{display:block;font-size:13px;font-weight:500}.user-check{width:24px;height:24px;color:#25d366;flex-shrink:0}.modal-footer{display:flex;gap:12px;padding:16px 20px;border-top:1px solid var(--border-color, #e0e0e0)}.modal-button{flex:1;padding:12px 24px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}.modal-button.cancel{background:var(--surface-secondary, #f0f0f0);color:var(--text-primary, #000)}.modal-button.cancel:hover{background:var(--hover-color, #e5e5e5)}.modal-button.create{background:linear-gradient(135deg,#25d366,#128c7e);color:#fff}.modal-button.create:hover:not(:disabled){box-shadow:0 4px 12px 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.2s}.logout-btn:hover{background-color:var(--accent-dark)}.table-container{overflow-x:auto;margin-bottom:var(--spacing-lg);border-radius:var(--border-radius-md);box-shadow:var(--shadow-sm)}table{width:100%;background:var(--surface);text-align:right;border-collapse:collapse}th,td{padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid var(--border);font-size:var(--font-size-md)}th{background:var(--primary-light);color:#fff;font-weight:var(--font-weight-medium)}tr:last-child td{border-bottom:none}tr:hover{background-color:#00000005}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--spacing-lg);margin:var(--spacing-lg) 0}.tile-btn{background:var(--primary);color:#fff;border:none;padding:var(--spacing-lg);border-radius:var(--border-radius-lg);font-size:var(--font-size-lg);font-weight:var(--font-weight-medium);cursor:pointer;text-align:center;box-shadow:var(--shadow-md);transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:120px}.tile-btn:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:var(--shadow-lg)}.tile-btn:active{transform:translateY(0)}.tile-btn i{font-size:2rem;margin-bottom:var(--spacing-sm)}@media (max-width: 768px){.navbar{flex-direction:column;padding:var(--spacing-sm)}.navbar-brand{margin-bottom:var(--spacing-sm)}.navbar-nav{flex-wrap:wrap;justify-content:center;gap:var(--spacing-sm)}.login-form{padding:var(--spacing-md);max-width:90%;border-radius:var(--border-radius-md)}.main-content{padding-top:0!important;padding-bottom:var(--spacing-md);padding-left:var(--spacing-md);padding-right:var(--spacing-md);border-radius:var(--border-radius-md)}.dashboard-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-md)}.tile-btn{padding:var(--spacing-md);min-height:100px}th,td{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-sm)}.menu-section{display:none!important}}[data-theme=dark] .navbar{background:var(--surface);color:var(--text-primary);border-bottom:1px solid var(--border)}[data-theme=dark] .navbar-brand,[data-theme=dark] .nav-link{color:var(--text-primary)}[data-theme=dark] .nav-link:hover{background-color:#7955481a}[data-theme=dark] .nav-link.active{background-color:var(--primary);color:#fff}[data-theme=dark] .logout-btn{background-color:var(--accent);color:#fff}[data-theme=dark] .logout-btn:hover{background-color:var(--accent-dark)}.connection-error{position:fixed;top:1rem;right:1rem;background-color:#fff;border:1px solid #ff4444;color:#333;padding:1rem;border-radius:.5rem;box-shadow:0 2px 8px #0000001a;z-index:1000;min-width:300px;direction:rtl}.connection-status-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid #eee}.status-indicator{width:10px;height:10px;border-radius:50%;margin-right:.5rem}.status-indicator.error{background-color:#f44;box-shadow:0 0 8px #ff444480}.connection-details{margin-bottom:1rem}.connection-details p{margin:.25rem 0;font-size:.9rem}.error-message{color:#f44;font-size:.85rem;margin-top:.5rem}.connection-status-bar{position:fixed;top:10px;right:10px;z-index:1000;min-width:220px;max-width:320px;box-shadow:0 2px 8px #0000001a;border-radius:8px;background:#fff;padding:1.2rem;direction:rtl;text-align:right}.connection-status-bar.error{border:1px solid #f44336}.connection-status-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.status-indicator{display:inline-block;width:12px;height:12px;border-radius:50%;margin-left:8px}.status-indicator.error{background:#f44336}.status-title{font-size:16px}.connection-details{font-size:14px;margin-top:8px;margin-bottom:8px}.connection-details 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small{color:#666;font-size:.8rem}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--background);background-image:linear-gradient(135deg,#7955481a,#a1887f1a);direction:rtl;position:relative;font-family:var(--font-family);z-index:1}.theme-toggle-container{position:absolute;top:20px;left:20px;z-index:10}.login-wrapper{display:flex;flex-direction:column;align-items:center;max-width:400px;width:100%}.app-logo{width:120px;height:120px;margin-bottom:var(--spacing-lg);filter:drop-shadow(0 4px 8px rgba(0,0,0,.1));animation:float 3s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.error-message{background-color:#f443361a;color:var(--error);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);text-align:center;font-weight:var(--font-weight-medium);margin-bottom:var(--spacing-md);border:1px solid rgba(244,67,54,.2)}.login-form{background:var(--surface);padding:var(--spacing-xl);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:380px;display:flex;flex-direction:column;gap:var(--spacing-lg);font-family:var(--font-family);position:relative;overflow:hidden}.login-form:before{content:"";position:absolute;top:0;right:0;width:100px;height:100px;background:var(--primary-light);opacity:.1;border-radius:50%;transform:translate(30%,-30%)}.login-form h2{text-align:center;margin-bottom:var(--spacing-md);color:var(--primary);font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);position:relative}.login-form h2:after{content:"";display:block;width:60px;height:3px;background:var(--primary);margin:var(--spacing-sm) auto 0;border-radius:2px}.login-form label{display:flex;flex-direction:column;font-size:var(--font-size-md);color:var(--text-primary);gap:var(--spacing-xs);font-weight:var(--font-weight-medium);position:relative}.input-icon{position:absolute;left:10px;top:38px;color:var(--primary);opacity:.7}.password-field,.password-input-container{position:relative}.password-input-container input{width:100%;padding-left:75px;padding-right:var(--spacing-md)}.password-field .password-toggle-btn{position:absolute!important;left:40px!important;top:50%!important;transform:translateY(-50%)!important;background:none!important;border:none!important;color:var(--primary)!important;font-size:14px!important;cursor:pointer!important;padding:4px!important;border-radius:var(--border-radius-sm)!important;transition:all var(--transition-speed) 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0;padding:var(--spacing-md) var(--spacing-sm);direction:rtl;width:100%;background-color:#79554808;border-radius:var(--border-radius-md);border:1px solid rgba(121,85,72,.1)}.remember-me-label{display:flex;align-items:center;gap:var(--spacing-md);font-size:var(--font-size-md);font-weight:var(--font-weight-medium);color:var(--text-primary);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;transition:all var(--transition-speed) ease;line-height:1.5;width:100%;padding:var(--spacing-xs) 0}.remember-me-label:hover{color:var(--primary)}.remember-me-label span{flex:1;text-align:right}.remember-me-checkbox{width:20px;height:20px;border:2px solid var(--primary);border-radius:var(--border-radius-md);position:relative;cursor:pointer;transition:all var(--transition-speed) ease;background:var(--surface);flex-shrink:0;margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;box-shadow:var(--shadow-sm)}.remember-me-checkbox:checked{background:var(--primary);border-color:var(--primary);box-shadow:var(--shadow-md);transform:scale(1.05)}.remember-me-checkbox:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:14px;font-weight:var(--font-weight-bold);line-height:1}.remember-me-checkbox:hover{border-color:var(--primary-dark);box-shadow:0 0 0 4px #7955481f;transform:scale(1.1)}.remember-me-checkbox:focus{outline:3px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 4px #79554833}.remember-me-checkbox:active{transform:scale(1.02)}.login-form input:not(.remember-me-checkbox),.login-form select{padding:var(--spacing-md);padding-left:40px;border:1px solid var(--border);border-radius:var(--border-radius-md);font-size:var(--font-size-md);direction:rtl;transition:border-color var(--transition-speed) ease,box-shadow var(--transition-speed) ease;background-color:var(--surface);color:var(--text-primary);font-family:var(--font-family)}.login-form input:not(.remember-me-checkbox):focus,.login-form select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #79554833;background-color:var(--surface)}[data-theme=dark] .login-form input:not(.remember-me-checkbox),[data-theme=dark] .login-form select{background-color:var(--surface);border-color:var(--border);color:var(--text-primary)}[data-theme=dark] .login-form input:not(.remember-me-checkbox):focus,[data-theme=dark] .login-form select:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px #8d6e634d}.login-form button{background:var(--primary);color:#fff;border:none;padding:var(--spacing-md);border-radius:var(--border-radius-md);font-size:var(--font-size-lg);font-weight:var(--font-weight-medium);cursor:pointer;margin-top:var(--spacing-sm);transition:all .2s;position:relative;overflow:hidden;width:100%}.login-form button:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.login-form button:active:not(:disabled){transform:translateY(0)}.login-form button:disabled{background:var(--primary-light);cursor:not-allowed;opacity:.7}.login-form button.loading{position:relative}.login-form button.loading:after{content:"";position:absolute;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite;left:15px;top:calc(50% - 10px)}@keyframes spin{to{transform:rotate(360deg)}}.login-help{margin-top:var(--spacing-lg);padding:var(--spacing-md);background-color:#7955480d;border-radius:var(--border-radius-md);font-size:var(--font-size-sm);color:var(--text-secondary);text-align:center}.login-help p{margin:var(--spacing-xs) 0}@media (max-width: 480px){.login-form{padding:var(--spacing-lg);max-width:90%}.app-logo{width:80px;height:80px}.password-input-container input{padding-left:80px}.password-field .password-toggle-btn{width:24px!important;height:24px!important;left:45px!important;font-size:16px!important;padding:5px!important}.remember-me-checkbox{width:24px;height:24px}.remember-me-checkbox:checked:after{font-size:16px}.remember-me-label{font-size:var(--font-size-lg);gap:var(--spacing-lg)}.remember-me-container{padding:var(--spacing-lg) var(--spacing-md);margin:var(--spacing-xl) 0}.password-field .password-toggle-btn:hover{transform:translateY(-50%) scale(1.1)!important}.remember-me-checkbox:hover{transform:scale(1.15)}}[data-theme=dark] .password-field .password-toggle-btn{color:var(--primary-light)!important;opacity:.6!important}[data-theme=dark] .password-field .password-toggle-btn:hover{opacity:.8!important;background-color:#a1887f1a!important}[data-theme=dark] .password-field .password-toggle-btn:active{background-color:#a1887f26!important;opacity:1!important}.password-field .password-toggle-btn{min-width:unset!important;min-height:unset!important;line-height:1!important;white-space:nowrap!important;text-align:center!important;vertical-align:middle!important;box-sizing:border-box!important}:root{--primary: #795548;--primary-dark: #5d4037;--primary-light: #a1887f;--accent: #d84315;--accent-dark: #bf360c;--accent-light: #ff7043;--background: #f7f7f7;--surface: #ffffff;--text-primary: #212121;--text-secondary: #757575;--border: #e0e0e0;--success: #4caf50;--warning: #ff9800;--error: #f44336;--info: #2196f3;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .1);--font-family: "Cairo", Tahoma, Arial, sans-serif;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-bold: 700;--transition-speed: .3s}[data-theme=dark]{--primary: #6d4c41;--primary-dark: #4e342e;--primary-light: #8d6e63;--background: #121212;--background-dark: #0a0a0a;--surface: #1e1e1e;--surface-dark: #262626;--card-dark: #2a2a2a;--text-primary: #e0e0e0;--text-dark: #e0e0e0;--text-secondary: #a0a0a0;--text-secondary-dark: #b0b0b0;--border: #333333;--border-dark: #404040;--surface-hover-dark: #333333;--border-disabled-dark: #2a2a2a;--input-dark: #2a2a2a;--text-placeholder-dark: #666666;--text-disabled-dark: #666666;--disabled-background-dark: #1a1a1a;--success: #66bb6a;--success-dark: #4caf50;--success-light: #81c784;--warning: #ffca28;--warning-light: #ffd54f;--error: #ef5350;--error-light: #f48fb1;--info: #42a5f5;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 2px 8px rgba(0, 0, 0, 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