*{margin:0;padding:0;box-sizing:border-box;outline-style:none}html{overflow-x:hidden;font-size:16px}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;background-color:#f8fafc;color:#1e293b;line-height:1.6}a{text-decoration:none;color:#3b82f6;transition:color .2s ease}a:hover{color:#1e40af}a:focus{color:#1e40af;outline:2px solid var(--primary-500);outline-offset:2px}a.btn,a.btn:hover{color:inherit}a.btn:focus{color:inherit}ul,li{list-style:none}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;transition:all .2s ease}button:disabled{opacity:.6;cursor:not-allowed}input,textarea{font-family:inherit;border:1px solid #d1d5db;border-radius:8px;padding:8px 12px;transition:border-color .2s ease,box-shadow .2s ease}input:focus,textarea:focus{outline:none;border-color:orange;box-shadow:0 0 0 3px #3b82f61a}:root{--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-300: #93c5fd;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--success-50: #ecfdf5;--success-300: #6ee7b7;--success-500: #10b981;--success-600: #059669;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-4)}.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);padding:var(--space-6);margin-bottom:var(--space-6)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-weight:500;font-size:14px;transition:all .2s ease;text-decoration:none;cursor:pointer;border:none}.btn-primary{background-color:var(--primary-500);color:#fff}.btn-primary:hover{background-color:var(--primary-600);color:#fff}.btn-primary:focus{background-color:var(--primary-600);color:#fff;outline:2px solid var(--primary-300);outline-offset:2px}.btn-success{background-color:var(--success-500);color:#fff}.btn-success:hover{background-color:var(--success-600);color:#fff}.btn-success:focus{background-color:var(--success-600);color:#fff;outline:2px solid var(--success-300);outline-offset:2px}.btn-secondary{background-color:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background-color:var(--gray-200);color:var(--gray-700)}.btn-secondary:focus{background-color:var(--gray-200);color:var(--gray-700);outline:2px solid var(--gray-400);outline-offset:2px}.btn-danger{background-color:#dc3545;color:#fff}.btn-danger:hover{background-color:#c82333;color:#fff}.btn-danger:focus{background-color:#c82333;color:#fff;outline:2px solid #f5c6cb;outline-offset:2px}.btn-sm{padding:var(--space-1) var(--space-3);font-size:12px}.btn-lg{padding:var(--space-3) var(--space-6);font-size:16px}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;margin-bottom:var(--space-2);font-weight:500;color:var(--gray-700)}.form-input{width:100%;padding:var(--space-3);border:1px solid var(--gray-300);border-radius:var(--radius-md);font-size:14px}.form-input:focus{border-color:var(--primary-500);box-shadow:0 0 0 3px #3b82f61a;outline:none}.page-header{margin-top:var(--space-8);margin-bottom:var(--space-8);text-align:center}.page-title{font-size:2rem;font-weight:700;color:var(--gray-900);margin-bottom:var(--space-2)}.page-subtitle{font-size:1.125rem;color:var(--gray-600)}.todo-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);margin-bottom:var(--space-2);transition:all .2s ease}.todo-item:hover{box-shadow:var(--shadow-md);border-color:var(--gray-300)}.todo-item.completed{opacity:.7;background-color:var(--gray-50)}.todo-number{min-width:30px;text-align:center;font-weight:600;color:var(--primary-600);font-size:14px}.todo-content{flex:1;display:flex;flex-direction:column;gap:var(--space-1)}.todo-title{font-size:14px;color:var(--gray-900)}.todo-title.completed{text-decoration:line-through;color:var(--gray-500)}.todo-date{font-size:12px;color:var(--gray-500);font-style:italic}.todo-actions{display:flex;gap:var(--space-2)}.nav{display:flex;gap:var(--space-6);justify-content:flex-end;padding:var(--space-6) var(--space-8);background:#fff;border-bottom:1px solid var(--gray-200);box-shadow:var(--shadow-sm);margin-bottom:var(--space-6)}.nav-link{color:var(--gray-600);font-weight:500;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transition:all .2s ease}.nav-link:hover{color:var(--primary-800);background-color:var(--primary-100)}.nav-link:focus{color:var(--primary-800);background-color:var(--primary-100);outline:2px solid var(--primary-500);outline-offset:2px}.loading-container{display:flex;align-items:center;justify-content:center;padding:var(--space-8);color:var(--gray-500)}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;z-index:999;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.loading-content{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);background:#fff;padding:var(--space-6);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:200px}.loading-text{color:var(--gray-600);font-weight:500;text-align:center}.spinner{position:relative;border:2px solid var(--gray-200);border-top:2px solid var(--primary-500);border-radius:50%;animation:spin 1s linear infinite}.spinner-inner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:30%;height:30%;border:1px solid var(--primary-300);border-top:1px solid var(--primary-600);border-radius:50%;animation:spin .5s linear infinite reverse}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-8);color:var(--gray-500)}.loading-skeleton{background:linear-gradient(90deg,var(--gray-200) 25%,var(--gray-100) 50%,var(--gray-200) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:var(--radius-md)}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.todo-skeleton{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);margin-bottom:var(--space-2)}.todo-skeleton .skeleton-number{width:30px;height:20px}.todo-skeleton .skeleton-checkbox{width:20px;height:20px;border-radius:var(--radius-sm)}.todo-skeleton .skeleton-content{flex:1;display:flex;flex-direction:column;gap:var(--space-1)}.todo-skeleton .skeleton-title{width:70%;height:16px}.todo-skeleton .skeleton-date{width:50%;height:12px}.todo-skeleton .skeleton-actions{display:flex;gap:var(--space-2)}.todo-skeleton .skeleton-button{width:60px;height:32px;border-radius:var(--radius-md)}@media (max-width: 768px){.container{padding:0 var(--space-3)}.nav{flex-direction:column;gap:var(--space-2);padding:var(--space-4)}.todo-item{flex-direction:column;align-items:flex-start;gap:var(--space-2)}.todo-actions{width:100%;justify-content:flex-end}.page-title{font-size:1.5rem}}.admin-request-item{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:var(--space-6);margin-bottom:var(--space-4);box-shadow:var(--shadow-sm);transition:all .2s ease}.admin-request-item:hover{box-shadow:var(--shadow-md);border-color:var(--gray-300)}.admin-request-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:1px solid var(--gray-200)}.admin-status-badge{background-color:var(--primary-100);color:var(--primary-700);padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);font-size:12px;font-weight:500}.admin-request-details{margin-bottom:var(--space-4)}.admin-detail-row{display:flex;margin-bottom:var(--space-2);align-items:flex-start}.admin-detail-label{font-weight:500;color:var(--gray-700);min-width:100px;margin-right:var(--space-3)}.admin-detail-value{color:var(--gray-600);flex:1;word-break:break-all}.admin-request-actions{display:flex;gap:var(--space-3);justify-content:flex-end;padding-top:var(--space-3);border-top:1px solid var(--gray-200)}.sports-event{background-color:#f08080!important;color:#fff!important}.science-event{background-color:#4682b4!important;color:#fff!important}.ql-align-center{text-align:center!important}.ql-align-right{text-align:right!important}.ql-align-justify{text-align:justify!important}.ql-align-left{text-align:left!important}.ql-size-small{font-size:.75em!important}.ql-size-large{font-size:1.5em!important}.ql-size-huge{font-size:2.5em!important}.ql-editor h1{font-size:2em!important;font-weight:700!important;margin:.67em 0!important}.ql-editor h2{font-size:1.5em!important;font-weight:700!important;margin:.75em 0!important}.ql-editor h3{font-size:1.17em!important;font-weight:700!important;margin:.83em 0!important}.ql-editor strong{font-weight:700!important}.ql-editor em{font-style:italic!important}.ql-editor u{text-decoration:underline!important}.ql-editor s{text-decoration:line-through!important}.ql-editor ul{list-style-type:disc!important;margin:1em 0!important;padding-left:1.5em!important}.ql-editor ol{list-style-type:decimal!important;margin:1em 0!important;padding-left:1.5em!important}.ql-editor li{display:list-item!important;margin:.5em 0!important}.ql-indent-1{padding-left:3em!important}.ql-indent-2{padding-left:6em!important}.ql-indent-3{padding-left:9em!important}.ql-indent-4{padding-left:12em!important}.ql-indent-5{padding-left:15em!important}.ql-indent-6{padding-left:18em!important}.ql-indent-7{padding-left:21em!important}.ql-indent-8{padding-left:24em!important}.ql-editor a{color:#06c!important;text-decoration:underline!important}.ql-editor a:hover{color:#0056b3!important}.ql-editor img{max-width:100%!important;height:auto!important;display:block!important;margin:.5em auto!important}.ql-editor blockquote{border-left:4px solid #ccc!important;margin:1em 0!important;padding-left:1em!important;color:#666!important;font-style:italic!important}.ql-editor code{background-color:#f4f4f4!important;border:1px solid #ddd!important;border-radius:3px!important;padding:2px 4px!important;font-family:Courier New,Courier,monospace!important;font-size:.9em!important}.ql-editor pre{background-color:#f4f4f4!important;border:1px solid #ddd!important;border-radius:3px!important;padding:1em!important;margin:1em 0!important;overflow-x:auto!important;font-family:Courier New,Courier,monospace!important;font-size:.9em!important}.ql-editor pre code{background:none!important;border:none!important;padding:0!important}.ql-editor hr{border:none!important;border-top:1px solid #ccc!important;margin:1em 0!important}.ql-editor p{margin:.5em 0!important;line-height:1.6!important}.ql-editor{font-family:inherit!important;font-size:14px!important;line-height:1.6!important;color:inherit!important}.ql-editor::selection{background-color:#b3d4fc!important}.ql-editor:focus{outline:none!important}.pagination-container{display:"flex";align-items:"center";gap:var(--space-4);padding:var(--space-4)}.pagination-info{text-align:center;color:var(--gray-600);font-size:14px}.pagination-count{font-weight:600;color:var(--gray-600)}.pagination-range{font-weight:600;color:var(--gray-800)}.pagination-controls{display:flex;justify-content:center;align-items:center;margin-top:20px;gap:var(--space-2)}.pagination-btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40;padding:var(--space-3);border:1px solid var(--gray-300);background-color:#fff;color:var(--gray-700);font-size:14px}.pagination-btn:hover{background-color:var(--primary-50);border-color:var(--primary-300);color:var(--primary-700);box-shadow:var(--shadow-sm)}.pagination-btn:disabled{opacity:.5;cursor:not-allowed;background-color:var(--gray-100);color:var(--gray-400)}.pagination-numbers{display:flex;gap:var(--space-2)}.pagination-ellipsis{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;color:var(--gray-500);font-weight:600;font-size:16px}.pagination-btn-number.active{background-color:var(--primary-500);border-color:var(--primary-500);color:#fff;font-weight:600;box-shadow:var(--shadow-sm)}.pagination-btn-number.active:hover{background-color:var(--primary-600);border-color:var(--primary-600)}@media screen and (max-width: 768px){.pagination-controls{flex-wrap:wrap;justify-content:center;gap:var(--space-1)}.pagination-btn{min-width:36px;height:36px;font-size:13px}}/*!
 * Quill Editor v1.3.7
 * https://quilljs.com/
 * Copyright (c) 2014, Jason Chen
 * Copyright (c) 2013, salesforce.com
 */.ql-container{box-sizing:border-box;font-family:Helvetica,Arial,sans-serif;font-size:13px;height:100%;margin:0;position:relative}.ql-container.ql-disabled .ql-tooltip{visibility:hidden}.ql-container.ql-disabled .ql-editor ul[data-checked]>li:before{pointer-events:none}.ql-clipboard{left:-100000px;height:1px;overflow-y:hidden;position:absolute;top:50%}.ql-clipboard p{margin:0;padding:0}.ql-editor{box-sizing:border-box;line-height:1.42;height:100%;outline:none;overflow-y:auto;padding:12px 15px;tab-size:4;-moz-tab-size:4;text-align:left;white-space:pre-wrap;word-wrap:break-word}.ql-editor>*{cursor:text}.ql-editor p,.ql-editor ol,.ql-editor ul,.ql-editor pre,.ql-editor blockquote,.ql-editor h1,.ql-editor h2,.ql-editor h3,.ql-editor h4,.ql-editor h5,.ql-editor h6{margin:0;padding:0;counter-reset:list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}.ql-editor ol,.ql-editor ul{padding-left:1.5em}.ql-editor ol>li,.ql-editor ul>li{list-style-type:none}.ql-editor ul>li:before{content:"•"}.ql-editor ul[data-checked=true],.ql-editor ul[data-checked=false]{pointer-events:none}.ql-editor ul[data-checked=true]>li *,.ql-editor ul[data-checked=false]>li *{pointer-events:all}.ql-editor ul[data-checked=true]>li:before,.ql-editor ul[data-checked=false]>li:before{color:#777;cursor:pointer;pointer-events:all}.ql-editor ul[data-checked=true]>li:before{content:"☑"}.ql-editor ul[data-checked=false]>li:before{content:"☐"}.ql-editor li:before{display:inline-block;white-space:nowrap;width:1.2em}.ql-editor li:not(.ql-direction-rtl):before{margin-left:-1.5em;margin-right:.3em;text-align:right}.ql-editor li.ql-direction-rtl:before{margin-left:.3em;margin-right:-1.5em}.ql-editor ol li:not(.ql-direction-rtl),.ql-editor ul li:not(.ql-direction-rtl){padding-left:1.5em}.ql-editor ol li.ql-direction-rtl,.ql-editor ul li.ql-direction-rtl{padding-right:1.5em}.ql-editor ol li{counter-reset:list-1 list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9;counter-increment:list-0}.ql-editor ol li:before{content:counter(list-0,decimal) ". "}.ql-editor ol li.ql-indent-1{counter-increment:list-1}.ql-editor ol li.ql-indent-1:before{content:counter(list-1,lower-alpha) ". "}.ql-editor ol li.ql-indent-1{counter-reset:list-2 list-3 list-4 list-5 list-6 list-7 list-8 list-9}.ql-editor ol li.ql-indent-2{counter-increment:list-2}.ql-editor ol li.ql-indent-2:before{content:counter(list-2,lower-roman) ". "}.ql-editor ol li.ql-indent-2{counter-reset:list-3 list-4 list-5 list-6 list-7 list-8 list-9}.ql-editor ol li.ql-indent-3{counter-increment:list-3}.ql-editor ol li.ql-indent-3:before{content:counter(list-3,decimal) ". "}.ql-editor ol li.ql-indent-3{counter-reset:list-4 list-5 list-6 list-7 list-8 list-9}.ql-editor ol li.ql-indent-4{counter-increment:list-4}.ql-editor ol li.ql-indent-4:before{content:counter(list-4,lower-alpha) ". "}.ql-editor ol li.ql-indent-4{counter-reset:list-5 list-6 list-7 list-8 list-9}.ql-editor ol li.ql-indent-5{counter-increment:list-5}.ql-editor ol li.ql-indent-5:before{content:counter(list-5,lower-roman) ". "}.ql-editor ol li.ql-indent-5{counter-reset:list-6 list-7 list-8 list-9}.ql-editor ol li.ql-indent-6{counter-increment:list-6}.ql-editor ol li.ql-indent-6:before{content:counter(list-6,decimal) ". "}.ql-editor ol li.ql-indent-6{counter-reset:list-7 list-8 list-9}.ql-editor ol li.ql-indent-7{counter-increment:list-7}.ql-editor ol li.ql-indent-7:before{content:counter(list-7,lower-alpha) ". "}.ql-editor ol li.ql-indent-7{counter-reset:list-8 list-9}.ql-editor ol li.ql-indent-8{counter-increment:list-8}.ql-editor ol li.ql-indent-8:before{content:counter(list-8,lower-roman) ". "}.ql-editor ol li.ql-indent-8{counter-reset:list-9}.ql-editor ol li.ql-indent-9{counter-increment:list-9}.ql-editor ol li.ql-indent-9:before{content:counter(list-9,decimal) ". "}.ql-editor .ql-indent-1:not(.ql-direction-rtl){padding-left:3em}.ql-editor li.ql-indent-1:not(.ql-direction-rtl){padding-left:4.5em}.ql-editor .ql-indent-1.ql-direction-rtl.ql-align-right{padding-right:3em}.ql-editor li.ql-indent-1.ql-direction-rtl.ql-align-right{padding-right:4.5em}.ql-editor .ql-indent-2:not(.ql-direction-rtl){padding-left:6em}.ql-editor li.ql-indent-2:not(.ql-direction-rtl){padding-left:7.5em}.ql-editor .ql-indent-2.ql-direction-rtl.ql-align-right{padding-right:6em}.ql-editor li.ql-indent-2.ql-direction-rtl.ql-align-right{padding-right:7.5em}.ql-editor .ql-indent-3:not(.ql-direction-rtl){padding-left:9em}.ql-editor li.ql-indent-3:not(.ql-direction-rtl){padding-left:10.5em}.ql-editor .ql-indent-3.ql-direction-rtl.ql-align-right{padding-right:9em}.ql-editor li.ql-indent-3.ql-direction-rtl.ql-align-right{padding-right:10.5em}.ql-editor .ql-indent-4:not(.ql-direction-rtl){padding-left:12em}.ql-editor li.ql-indent-4:not(.ql-direction-rtl){padding-left:13.5em}.ql-editor .ql-indent-4.ql-direction-rtl.ql-align-right{padding-right:12em}.ql-editor li.ql-indent-4.ql-direction-rtl.ql-align-right{padding-right:13.5em}.ql-editor .ql-indent-5:not(.ql-direction-rtl){padding-left:15em}.ql-editor li.ql-indent-5:not(.ql-direction-rtl){padding-left:16.5em}.ql-editor .ql-indent-5.ql-direction-rtl.ql-align-right{padding-right:15em}.ql-editor li.ql-indent-5.ql-direction-rtl.ql-align-right{padding-right:16.5em}.ql-editor .ql-indent-6:not(.ql-direction-rtl){padding-left:18em}.ql-editor li.ql-indent-6:not(.ql-direction-rtl){padding-left:19.5em}.ql-editor .ql-indent-6.ql-direction-rtl.ql-align-right{padding-right:18em}.ql-editor li.ql-indent-6.ql-direction-rtl.ql-align-right{padding-right:19.5em}.ql-editor .ql-indent-7:not(.ql-direction-rtl){padding-left:21em}.ql-editor li.ql-indent-7:not(.ql-direction-rtl){padding-left:22.5em}.ql-editor .ql-indent-7.ql-direction-rtl.ql-align-right{padding-right:21em}.ql-editor li.ql-indent-7.ql-direction-rtl.ql-align-right{padding-right:22.5em}.ql-editor .ql-indent-8:not(.ql-direction-rtl){padding-left:24em}.ql-editor li.ql-indent-8:not(.ql-direction-rtl){padding-left:25.5em}.ql-editor .ql-indent-8.ql-direction-rtl.ql-align-right{padding-right:24em}.ql-editor li.ql-indent-8.ql-direction-rtl.ql-align-right{padding-right:25.5em}.ql-editor .ql-indent-9:not(.ql-direction-rtl){padding-left:27em}.ql-editor li.ql-indent-9:not(.ql-direction-rtl){padding-left:28.5em}.ql-editor .ql-indent-9.ql-direction-rtl.ql-align-right{padding-right:27em}.ql-editor li.ql-indent-9.ql-direction-rtl.ql-align-right{padding-right:28.5em}.ql-editor .ql-video{display:block;max-width:100%}.ql-editor .ql-video.ql-align-center{margin:0 auto}.ql-editor .ql-video.ql-align-right{margin:0 0 0 auto}.ql-editor .ql-bg-black{background-color:#000}.ql-editor .ql-bg-red{background-color:#e60000}.ql-editor .ql-bg-orange{background-color:#f90}.ql-editor .ql-bg-yellow{background-color:#ff0}.ql-editor .ql-bg-green{background-color:#008a00}.ql-editor .ql-bg-blue{background-color:#06c}.ql-editor .ql-bg-purple{background-color:#93f}.ql-editor .ql-color-white{color:#fff}.ql-editor .ql-color-red{color:#e60000}.ql-editor .ql-color-orange{color:#f90}.ql-editor .ql-color-yellow{color:#ff0}.ql-editor .ql-color-green{color:#008a00}.ql-editor .ql-color-blue{color:#06c}.ql-editor .ql-color-purple{color:#93f}.ql-editor .ql-font-serif{font-family:Georgia,Times New Roman,serif}.ql-editor .ql-font-monospace{font-family:Monaco,Courier New,monospace}.ql-editor .ql-size-small{font-size:.75em}.ql-editor .ql-size-large{font-size:1.5em}.ql-editor .ql-size-huge{font-size:2.5em}.ql-editor .ql-direction-rtl{direction:rtl;text-align:inherit}.ql-editor .ql-align-center{text-align:center}.ql-editor .ql-align-justify{text-align:justify}.ql-editor .ql-align-right{text-align:right}.ql-editor.ql-blank:before{color:#0009;content:attr(data-placeholder);font-style:italic;left:15px;pointer-events:none;position:absolute;right:15px}.ql-snow.ql-toolbar:after,.ql-snow .ql-toolbar:after{clear:both;content:"";display:table}.ql-snow.ql-toolbar button,.ql-snow .ql-toolbar button{background:none;border:none;cursor:pointer;display:inline-block;float:left;height:24px;padding:3px 5px;width:28px}.ql-snow.ql-toolbar button svg,.ql-snow .ql-toolbar button svg{float:left;height:100%}.ql-snow.ql-toolbar button:active:hover,.ql-snow .ql-toolbar button:active:hover{outline:none}.ql-snow.ql-toolbar input.ql-image[type=file],.ql-snow .ql-toolbar input.ql-image[type=file]{display:none}.ql-snow.ql-toolbar button:hover,.ql-snow .ql-toolbar button:hover,.ql-snow.ql-toolbar button:focus,.ql-snow .ql-toolbar button:focus,.ql-snow.ql-toolbar button.ql-active,.ql-snow .ql-toolbar button.ql-active,.ql-snow.ql-toolbar .ql-picker-label:hover,.ql-snow .ql-toolbar .ql-picker-label:hover,.ql-snow.ql-toolbar .ql-picker-label.ql-active,.ql-snow .ql-toolbar .ql-picker-label.ql-active,.ql-snow.ql-toolbar .ql-picker-item:hover,.ql-snow .ql-toolbar .ql-picker-item:hover,.ql-snow.ql-toolbar .ql-picker-item.ql-selected,.ql-snow .ql-toolbar .ql-picker-item.ql-selected{color:#06c}.ql-snow.ql-toolbar button:hover .ql-fill,.ql-snow .ql-toolbar button:hover .ql-fill,.ql-snow.ql-toolbar button:focus .ql-fill,.ql-snow .ql-toolbar button:focus .ql-fill,.ql-snow.ql-toolbar button.ql-active .ql-fill,.ql-snow .ql-toolbar button.ql-active .ql-fill,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-fill,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-fill,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-fill,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-fill,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-fill,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-fill,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-fill,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-fill,.ql-snow.ql-toolbar button:hover .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:hover .ql-stroke.ql-fill,.ql-snow.ql-toolbar button:focus .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:focus .ql-stroke.ql-fill,.ql-snow.ql-toolbar button.ql-active .ql-stroke.ql-fill,.ql-snow .ql-toolbar button.ql-active .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke.ql-fill,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke.ql-fill,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke.ql-fill{fill:#06c}.ql-snow.ql-toolbar button:hover .ql-stroke,.ql-snow .ql-toolbar button:hover .ql-stroke,.ql-snow.ql-toolbar button:focus .ql-stroke,.ql-snow .ql-toolbar button:focus .ql-stroke,.ql-snow.ql-toolbar button.ql-active .ql-stroke,.ql-snow .ql-toolbar button.ql-active .ql-stroke,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke,.ql-snow.ql-toolbar button:hover .ql-stroke-miter,.ql-snow .ql-toolbar button:hover .ql-stroke-miter,.ql-snow.ql-toolbar button:focus .ql-stroke-miter,.ql-snow .ql-toolbar button:focus .ql-stroke-miter,.ql-snow.ql-toolbar button.ql-active .ql-stroke-miter,.ql-snow .ql-toolbar button.ql-active .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-label:hover .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-label:hover .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-label.ql-active .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-label.ql-active .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-item:hover .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-item:hover .ql-stroke-miter,.ql-snow.ql-toolbar .ql-picker-item.ql-selected .ql-stroke-miter,.ql-snow .ql-toolbar .ql-picker-item.ql-selected .ql-stroke-miter{stroke:#06c}@media (pointer: coarse){.ql-snow.ql-toolbar button:hover:not(.ql-active),.ql-snow .ql-toolbar button:hover:not(.ql-active){color:#444}.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-fill,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-fill,.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke.ql-fill,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke.ql-fill{fill:#444}.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke,.ql-snow.ql-toolbar button:hover:not(.ql-active) .ql-stroke-miter,.ql-snow .ql-toolbar button:hover:not(.ql-active) .ql-stroke-miter{stroke:#444}}.ql-snow,.ql-snow *{box-sizing:border-box}.ql-snow .ql-hidden{display:none}.ql-snow .ql-out-bottom,.ql-snow .ql-out-top{visibility:hidden}.ql-snow .ql-tooltip{position:absolute;transform:translateY(10px)}.ql-snow .ql-tooltip a{cursor:pointer;text-decoration:none}.ql-snow .ql-tooltip.ql-flip{transform:translateY(-10px)}.ql-snow .ql-formats{display:inline-block;vertical-align:middle}.ql-snow .ql-formats:after{clear:both;content:"";display:table}.ql-snow .ql-stroke{fill:none;stroke:#444;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.ql-snow .ql-stroke-miter{fill:none;stroke:#444;stroke-miterlimit:10;stroke-width:2}.ql-snow .ql-fill,.ql-snow .ql-stroke.ql-fill{fill:#444}.ql-snow .ql-empty{fill:none}.ql-snow .ql-even{fill-rule:evenodd}.ql-snow .ql-thin,.ql-snow .ql-stroke.ql-thin{stroke-width:1}.ql-snow .ql-transparent{opacity:.4}.ql-snow .ql-direction svg:last-child{display:none}.ql-snow .ql-direction.ql-active svg:last-child{display:inline}.ql-snow .ql-direction.ql-active svg:first-child{display:none}.ql-snow .ql-editor h1{font-size:2em}.ql-snow .ql-editor h2{font-size:1.5em}.ql-snow .ql-editor h3{font-size:1.17em}.ql-snow .ql-editor h4{font-size:1em}.ql-snow .ql-editor h5{font-size:.83em}.ql-snow .ql-editor h6{font-size:.67em}.ql-snow .ql-editor a{text-decoration:underline}.ql-snow .ql-editor blockquote{border-left:4px solid #ccc;margin-bottom:5px;margin-top:5px;padding-left:16px}.ql-snow .ql-editor code,.ql-snow .ql-editor pre{background-color:#f0f0f0;border-radius:3px}.ql-snow .ql-editor pre{white-space:pre-wrap;margin-bottom:5px;margin-top:5px;padding:5px 10px}.ql-snow .ql-editor code{font-size:85%;padding:2px 4px}.ql-snow .ql-editor pre.ql-syntax{background-color:#23241f;color:#f8f8f2;overflow:visible}.ql-snow .ql-editor img{max-width:100%}.ql-snow .ql-picker{color:#444;display:inline-block;float:left;font-size:14px;font-weight:500;height:24px;position:relative;vertical-align:middle}.ql-snow .ql-picker-label{cursor:pointer;display:inline-block;height:100%;padding-left:8px;padding-right:2px;position:relative;width:100%}.ql-snow .ql-picker-label:before{display:inline-block;line-height:22px}.ql-snow .ql-picker-options{background-color:#fff;display:none;min-width:100%;padding:4px 8px;position:absolute;white-space:nowrap}.ql-snow .ql-picker-options .ql-picker-item{cursor:pointer;display:block;padding-bottom:5px;padding-top:5px}.ql-snow .ql-picker.ql-expanded .ql-picker-label{color:#ccc;z-index:2}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-fill{fill:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-label .ql-stroke{stroke:#ccc}.ql-snow .ql-picker.ql-expanded .ql-picker-options{display:block;margin-top:-1px;top:100%;z-index:1}.ql-snow .ql-color-picker,.ql-snow .ql-icon-picker{width:28px}.ql-snow .ql-color-picker .ql-picker-label,.ql-snow .ql-icon-picker .ql-picker-label{padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-label svg,.ql-snow .ql-icon-picker .ql-picker-label svg{right:4px}.ql-snow .ql-icon-picker .ql-picker-options{padding:4px 0}.ql-snow .ql-icon-picker .ql-picker-item{height:24px;width:24px;padding:2px 4px}.ql-snow .ql-color-picker .ql-picker-options{padding:3px 5px;width:152px}.ql-snow .ql-color-picker .ql-picker-item{border:1px solid transparent;float:left;height:16px;margin:2px;padding:0;width:16px}.ql-snow .ql-picker:not(.ql-color-picker):not(.ql-icon-picker) svg{position:absolute;margin-top:-9px;right:0;top:50%;width:18px}.ql-snow .ql-picker.ql-header .ql-picker-label[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-font .ql-picker-label[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-size .ql-picker-label[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-label]:not([data-label=""]):before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-label]:not([data-label=""]):before{content:attr(data-label)}.ql-snow .ql-picker.ql-header{width:98px}.ql-snow .ql-picker.ql-header .ql-picker-label:before,.ql-snow .ql-picker.ql-header .ql-picker-item:before{content:"Normal"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]:before{content:"Heading 1"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]:before{content:"Heading 2"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]:before{content:"Heading 3"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]:before{content:"Heading 4"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]:before{content:"Heading 5"}.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]:before,.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]:before{content:"Heading 6"}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]:before{font-size:2em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]:before{font-size:1.5em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]:before{font-size:1.17em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]:before{font-size:1em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]:before{font-size:.83em}.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]:before{font-size:.67em}.ql-snow .ql-picker.ql-font{width:108px}.ql-snow .ql-picker.ql-font .ql-picker-label:before,.ql-snow .ql-picker.ql-font .ql-picker-item:before{content:"Sans Serif"}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=serif]:before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]:before{content:"Serif"}.ql-snow .ql-picker.ql-font .ql-picker-label[data-value=monospace]:before,.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]:before{content:"Monospace"}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=serif]:before{font-family:Georgia,Times New Roman,serif}.ql-snow .ql-picker.ql-font .ql-picker-item[data-value=monospace]:before{font-family:Monaco,Courier New,monospace}.ql-snow .ql-picker.ql-size{width:98px}.ql-snow .ql-picker.ql-size .ql-picker-label:before,.ql-snow .ql-picker.ql-size .ql-picker-item:before{content:"Normal"}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=small]:before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]:before{content:"Small"}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=large]:before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]:before{content:"Large"}.ql-snow .ql-picker.ql-size .ql-picker-label[data-value=huge]:before,.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]:before{content:"Huge"}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=small]:before{font-size:10px}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=large]:before{font-size:18px}.ql-snow .ql-picker.ql-size .ql-picker-item[data-value=huge]:before{font-size:32px}.ql-snow .ql-color-picker.ql-background .ql-picker-item{background-color:#fff}.ql-snow .ql-color-picker.ql-color .ql-picker-item{background-color:#000}.ql-toolbar.ql-snow{border:1px solid #ccc;box-sizing:border-box;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;padding:8px}.ql-toolbar.ql-snow .ql-formats{margin-right:15px}.ql-toolbar.ql-snow .ql-picker-label{border:1px solid transparent}.ql-toolbar.ql-snow .ql-picker-options{border:1px solid transparent;box-shadow:#0003 0 2px 8px}.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-label,.ql-toolbar.ql-snow .ql-picker.ql-expanded .ql-picker-options{border-color:#ccc}.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item.ql-selected,.ql-toolbar.ql-snow .ql-color-picker .ql-picker-item:hover{border-color:#000}.ql-toolbar.ql-snow+.ql-container.ql-snow{border-top:0px}.ql-snow .ql-tooltip{background-color:#fff;border:1px solid #ccc;box-shadow:0 0 5px #ddd;color:#444;padding:5px 12px;white-space:nowrap}.ql-snow .ql-tooltip:before{content:"Visit URL:";line-height:26px;margin-right:8px}.ql-snow .ql-tooltip input[type=text]{display:none;border:1px solid #ccc;font-size:13px;height:26px;margin:0;padding:3px 5px;width:170px}.ql-snow .ql-tooltip a.ql-preview{display:inline-block;max-width:200px;overflow-x:hidden;text-overflow:ellipsis;vertical-align:top}.ql-snow .ql-tooltip a.ql-action:after{border-right:1px solid #ccc;content:"Edit";margin-left:16px;padding-right:8px}.ql-snow .ql-tooltip a.ql-remove:before{content:"Remove";margin-left:8px}.ql-snow .ql-tooltip a{line-height:26px}.ql-snow .ql-tooltip.ql-editing a.ql-preview,.ql-snow .ql-tooltip.ql-editing a.ql-remove{display:none}.ql-snow .ql-tooltip.ql-editing input[type=text]{display:inline-block}.ql-snow .ql-tooltip.ql-editing a.ql-action:after{border-right:0px;content:"Save";padding-right:0}.ql-snow .ql-tooltip[data-mode=link]:before{content:"Enter link:"}.ql-snow .ql-tooltip[data-mode=formula]:before{content:"Enter formula:"}.ql-snow .ql-tooltip[data-mode=video]:before{content:"Enter video:"}.ql-snow a{color:#06c}.ql-container.ql-snow{border:1px solid #ccc}.chat-page{height:calc(100vh - 120px);display:flex;flex-direction:column}.chat-container{display:flex;height:100%;border:1px solid #e0e0e0;border-radius:8px;overflow:hidden}.chat-sidebar{width:300px;border-right:1px solid #e0e0e0;background-color:#f8f9fa;display:flex;flex-direction:column}.chat-main{flex:1;display:flex;flex-direction:column;background-color:#fff}.chat-list{display:flex;flex-direction:column;height:100%;background-color:#f8f9fa}.chat-list-header{padding:20px;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center;background-color:#fff}.chat-list-header h2{margin:0;font-size:20px;font-weight:600;color:#333}.new-chat-btn{background-color:#ff5722;color:#fff;border:none;padding:10px 20px;border-radius:20px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s ease}.new-chat-btn:hover{opacity:.8}.user-search{padding:16px;border-bottom:1px solid #e0e0e0;background-color:#fff;display:flex;flex-direction:column;text-align:start}.search-input{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:8px;font-size:14px}.search-result{margin-top:8px;max-height:200px;overflow-y:auto}.user-item{display:flex;align-items:center;padding:8px;cursor:pointer;border-radius:4px;transition:all .2s ease}.user-item:hover{background-color:#f0f0f0}.user-avatar{display:flex;margin-right:12px;align-items:center}.user-avatar img{width:40px;height:40px;border-radius:50%;object-fit:cover;align-items:center}.avatar-placeholder{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#fd6a3d,#f33d05);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.user-info{display:block}.user-nickname{font-weight:500;color:#333;font-size:14px}.no-results{padding:16px;text-align:center;color:#666;font-size:14px}.chat-items{flex:1;overflow-y:auto}.no-chats{padding:32px 16px;text-align:center;color:#666}.chat-item{display:flex;align-items:center;padding:18px 20px;cursor:pointer;border-bottom:1px solid #f5f5f5;border-right:3px solid transparent;transition:all .2s ease;background-color:#fff}.chat-item.selected{background-color:#fff2ee;border-right:3px solid #ff5722}.chat-avatar{display:flex;align-items:center;justify-content:center;position:relative;margin-right:16px}.chat-avatar img{width:50px;height:50px;border-radius:50%;object-fit:cover;border:2px solid #f0f0f0}.chat-avatar .avatar-placeholder{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#fd6a3d,#f33d05);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:19px;border:2px solid #f0f0f0}.unread-badge{position:absolute;top:-2px;right:-2px;background-color:#f44;color:#fff;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.chat-info{flex:1;min-width:0}.chat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.chat-name{font-weight:600;color:#333;font-size:14px}.chat-time{font-size:12px;color:#666}.chat-preview{font-size:13px;color:#666;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-preview .unread{color:#333}.chat-preview .no-message{font-style:italic;color:#999}.chat-welcome{display:flex;align-items:center;justify-content:center;height:100%;background-color:#f8f9fa}.welcome-content{text-align:center;color:#666;max-width:400px;padding:32px}.welcome-content h2{margin-bottom:16px;color:#333;font-size:24px}.welcome-content p{margin:8px 0;font-size:14px;line-height:1.5}.feature-info{margin-top:24px;padding:16px;background-color:#fff;border-radius:8px;border:1px solid #e0e0e0}.feature-info p{margin:6px 0;font-size:13px;color:#555}.chat-room{display:flex;flex-direction:column;height:100%}.chat-room-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #f0f0f0;background-color:#f8f9fa}.chat-room-info{display:block}.chat-room-info h3{margin:0;font-size:18px;font-weight:600;color:#333}.chat-room-actions{display:flex;gap:8px}.exit-chat-btn{padding:8px 16px;background-color:#dc3545;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;opacity:1;transition:all .2s ease}.exit-chat-btn:hover{opacity:.8}.chat-room-message{flex:1;overflow-y:auto;padding:16px}.no-message{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#666;text-align:center}.no-message p{margin:8px 0;font-size:14px}.message-group{margin-bottom:24px}.date-divider{text-align:center;margin:16px 0;position:relative}.date-divider span{background-color:#f0f0f0;padding:4px 12px;border-radius:12px;font-size:12px;color:#666;position:relative;z-index:2}.message-group-container{position:relative;width:100%;padding:0 10px}.message-item{display:flex;margin-bottom:12px;gap:8px}.message-bubble{position:relative;display:flex;flex-direction:column;max-width:100%}.message-bubble:hover .message-time{opacity:.7}.message-text{padding:8px 12px;border-radius:18px;font-size:14px;line-height:1.4;word-wrap:break-word;position:relative}.message-time{font-size:14px;color:#999;margin-top:4px;opacity:1}.my-message .message-text{background-color:#ff5722;color:#fff;border-bottom-right-radius:4px}.my-message .message-time{text-align:right}.message-item.my-message{display:flex;justify-content:flex-end;align-items:flex-end;max-width:100%;gap:8px}.other-message .message-text{background-color:#f1f3f4;color:#333;border-bottom-left-radius:4px}.message-item.other-message{display:flex;justify-content:flex-start;align-items:flex-end;margin-right:auto;max-width:100%;gap:8px}.other-message .message-time{text-align:left}.message-avatar{flex-shrink:0;margin:0 4px}.message-avatar img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid #f0f0f0}.message-avatar .avatar-placeholder{width:40px;height:40px;border-radius:50%;font-size:12px;background-color:orange}.message-input{border-top:1px solid #e0e0e0;background-color:#fff;padding:16px}.message-form{width:100%}.input-container{display:flex;gap:8px}.message-textarea{flex:1;min-height:40px;max-height:120px;border:1px solid #ddd;border-radius:20px;resize:none;font-size:14px;line-height:1.4}.message-textarea:focus{outline:none;border-color:#ff5722}.send-button{width:40px;height:40px;border:none;border-radius:50%;background-color:#ff5722;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transform:all .2s ease}.send-button:hover:not(:disabled){background-color:#ff7e55}.send-button:disabled{background-color:#ccc;cursor:not-allowed}.loading-spinner{width:16px;height:16px;border:2px solid #fff;border-top:2px solid transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-message{padding:16px;text-align:center;color:#dc3545}.error-message button{margin-top:8px;padding:8px 16px;background-color:#dc3545;color:#fff;border:none;border-radius:4px;cursor:pointer}.error-message button:hover{background-color:#ca2939}