html,body,#root{margin:0;padding:0;height:100%;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%)}.app{min-height:100vh;width:100vw;display:flex;flex-direction:column;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);font-family:Arial,Helvetica,sans-serif}.bottom-footer{position:fixed;bottom:0;left:0;right:0;height:64px;display:flex;align-items:center;justify-content:space-around;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);border-top:2px solid #8B4513;box-shadow:0 -6px 18px #8b451326;z-index:1000}.footer-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;background:transparent;border:0;color:#8b4513;cursor:pointer;padding:6px 10px;min-width:70px;transition:all .2s ease}.footer-btn .icon{font-size:22px;line-height:22px}.footer-btn .label{font-size:11px;margin-top:4px;text-transform:uppercase;letter-spacing:.6px}.footer-btn:hover{transform:translateY(-2px)}.footer-btn.active{color:sienna;text-shadow:0 0 1px rgba(160,82,45,.25)}@media (max-width: 600px){.bottom-footer{height:58px}.footer-btn .icon{font-size:20px}.footer-btn .label{font-size:10px}}.login-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:40px;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);border:none;border-radius:0;box-shadow:none}.login-container h1{font-size:36px;margin-bottom:40px;color:#8b4513;font-weight:300;letter-spacing:2px;text-transform:uppercase;border-bottom:2px solid #8B4513;padding-bottom:10px}.login-form{display:flex;flex-direction:column;gap:25px;width:100%}.login-form .input{padding:18px 20px;font-size:16px;border:2px solid #8B4513;border-radius:0;background:#ffffff;color:#333;font-family:Arial,Helvetica,sans-serif;transition:all .3s ease}.login-form .input:focus{outline:none;border-color:sienna;box-shadow:0 0 0 3px #8b45131a}.login-form .btn{padding:18px 30px;font-size:16px;background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;font-family:Arial,Helvetica,sans-serif;font-weight:600;letter-spacing:1px;text-transform:uppercase;transition:all .3s ease}.login-form .btn:hover{background:#A0522D;border-color:sienna;transform:translateY(-2px);box-shadow:0 4px 12px #8b45134d}.room-list-container{display:flex;flex-direction:column;height:100vh;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);border:none;border-radius:0}.room-list-header{background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);color:#8b4513;padding:0;margin:0;display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #8B4513;box-shadow:0 2px 8px #8b45131a;height:64px;width:100%}.room-list-header h1{font-size:24px;font-weight:600;letter-spacing:1px;text-transform:uppercase;font-family:Arial,Helvetica,sans-serif;margin:0;padding:0 20px}.user-info{display:flex;align-items:center;gap:20px;padding:0 20px}.user-info button{padding:8px 16px;background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;font-family:Arial,Helvetica,sans-serif;font-weight:600;letter-spacing:1px;text-transform:uppercase;transition:all .3s ease}.user-info button:hover{background:#A0522D;border-color:sienna;transform:translateY(-1px)}.room-list-content{flex:1;padding:0;margin:0;overflow-y:auto;background:#ffffff}.create-room-section,.rooms-section{margin:0;padding:20px}.create-room-section h3,.rooms-section h3{margin-bottom:20px;color:#8b4513;font-size:20px;font-weight:600;letter-spacing:1px;text-transform:uppercase;border-bottom:2px solid #8B4513;padding-bottom:8px;font-family:Arial,Helvetica,sans-serif}.create-room-form{display:flex;flex-direction:column;gap:15px}.create-room-form input{padding:15px 20px;border:2px solid #8B4513;border-radius:0;background:#ffffff;color:#333;font-family:Arial,Helvetica,sans-serif;font-size:16px;transition:all .3s ease}.create-room-form input:focus{outline:none;border-color:sienna;box-shadow:0 0 0 3px #8b45131a}.create-room-form button{padding:15px 25px;background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;font-family:Arial,Helvetica,sans-serif;font-weight:600;letter-spacing:1px;text-transform:uppercase;transition:all .3s ease}.create-room-form button:hover{background:#A0522D;border-color:sienna;transform:translateY(-2px);box-shadow:0 4px 12px #8b45134d}.rooms-list{display:flex;flex-direction:column;gap:15px}.room-item{padding:20px;border:2px solid #8B4513;border-radius:0;cursor:pointer;transition:all .3s ease;display:flex;justify-content:space-between;align-items:center;background:#ffffff;box-shadow:0 2px 8px #8b45131a}.room-item:hover{border-color:sienna;transform:translateY(-3px);box-shadow:0 6px 20px #8b451333;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%)}.room-info{flex:1}.room-name{font-weight:600;color:#8b4513;margin-bottom:8px;font-size:18px;font-family:Arial,Helvetica,sans-serif;letter-spacing:1px}.room-desc{color:#666;font-size:14px;font-style:italic;font-family:Arial,Helvetica,sans-serif}.room-stats{text-align:right;color:#8b4513;font-size:12px;font-weight:600;font-family:Arial,Helvetica,sans-serif}.room-participants{color:#8b4513;font-weight:600;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-last{color:#666;font-weight:400;display:inline-block;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-last-date{color:#8b4513}.room-last-text{color:#444}.chat-container{display:flex;flex-direction:column;height:100vh;position:relative;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);border:none;border-radius:0;padding-bottom:64px}.chat-header{background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);color:#8b4513;padding:0;margin:0;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid #8B4513;box-shadow:0 2px 8px #8b45131a;height:64px;width:100%}.chat-header h1{font-size:24px;margin:0;font-weight:600;letter-spacing:1px;text-transform:uppercase;font-family:Arial,Helvetica,sans-serif;padding:0 20px}.room-info{display:flex;align-items:center;gap:20px;padding:0 20px}.room-participants-inline{color:#8b4513;font-size:12px;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:12px;background:rgba(139,69,19,.1);transition:all .2s ease}.room-participants-inline:hover{background:rgba(139,69,19,.2);transform:scale(1.05)}.back-btn{background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;width:40px;height:40px;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;font-family:Arial,Helvetica,sans-serif}.back-btn:hover{background:#A0522D;border-color:sienna;transform:translateY(-1px)}.rooms-btn{background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;padding:10px 16px;cursor:pointer;font-size:14px;font-family:Arial,Helvetica,sans-serif;font-weight:600;letter-spacing:1px;text-transform:uppercase;transition:all .3s ease}.rooms-btn:hover{background:#A0522D;border-color:sienna;transform:translateY(-1px)}.chat-messages{flex:1;padding:0 0 84px;margin:0;overflow-y:auto;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%)}.message{margin:0 0 20px;padding:0 20px;display:flex;align-items:flex-start}.message.own{flex-direction:row-reverse}.message-content{max-width:70%;padding:15px 20px;border-radius:0;position:relative;border:2px solid #8B4513;box-shadow:0 2px 8px #8b45131a}.message:not(.own) .message-content{background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);border-color:#8b4513}.message.own .message-content{background:linear-gradient(135deg,#8B4513 0%,#A0522D 100%);color:#fff;border-color:sienna}.message-username{font-weight:600;font-size:12px;margin-bottom:6px;opacity:.9;font-family:Arial,Helvetica,sans-serif;letter-spacing:.5px;text-transform:uppercase}.message-text{font-size:15px;line-height:1.5;font-family:Arial,Helvetica,sans-serif}.message-time{font-size:11px;opacity:.7;margin-top:6px;font-family:Arial,Helvetica,sans-serif;font-style:italic}.chat-input{padding:0;margin:0;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);border-top:2px solid #8B4513;height:64px;display:flex;align-items:center;position:sticky;bottom:64px;z-index:900}.input-group{display:flex;gap:15px;padding:0 20px;width:100%;align-items:center;flex-wrap:nowrap}.username-input{width:140px;padding:15px 20px;border:2px solid #8B4513;border-radius:0;font-size:14px;outline:none;background:#ffffff;font-family:Arial,Helvetica,sans-serif;color:#8b4513;font-weight:600;letter-spacing:.5px}.message-input{flex:1 1 auto;min-width:0;padding:15px 20px;border:2px solid #8B4513;border-radius:0;font-size:15px;outline:none;background:#ffffff;font-family:Arial,Helvetica,sans-serif;color:#333;transition:all .3s ease}.message-input:focus{border-color:sienna;box-shadow:0 0 0 3px #8b45131a}.send-button{padding:12px 18px;background:linear-gradient(135deg,#8B4513 0%,#A0522D 100%);color:#fff;border:2px solid #8B4513;border-radius:0;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:Arial,Helvetica,sans-serif;letter-spacing:1px;text-transform:uppercase;flex:0 0 auto;white-space:nowrap}.send-button:hover{background:linear-gradient(135deg,#A0522D 0%,#8B4513 100%);border-color:sienna;transform:translateY(-2px);box-shadow:0 4px 12px #8b45134d}.rooms-sidebar{position:fixed;top:0;right:0;width:380px;height:100vh;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);box-shadow:-8px 0 25px #8b451333;z-index:1000;display:flex;flex-direction:column;transform:translate(0);transition:transform .3s ease;border-left:2px solid #8B4513}.sidebar-header{background:#000000;color:#fff;padding:0;margin:0;display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #8B4513;box-shadow:0 2px 8px #8b45131a;height:64px}.sidebar-header h3{margin:0;font-size:18px;font-weight:600;letter-spacing:1px;text-transform:uppercase;font-family:Arial,Helvetica,sans-serif;padding:0 20px}.close-btn{background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;width:35px;height:35px;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;font-family:Arial,Helvetica,sans-serif;margin-right:20px}.close-btn:hover{background:#A0522D;border-color:sienna;transform:translateY(-1px)}.sidebar-content{flex:1;padding:25px;overflow-y:auto;background:#ffffff}.sidebar-content h4{margin:0 0 20px;color:#8b4513;font-size:18px;font-weight:600;letter-spacing:1px;text-transform:uppercase;border-bottom:2px solid #8B4513;padding-bottom:8px;font-family:Arial,Helvetica,sans-serif}.sidebar-content .create-room-form{margin-bottom:35px}.sidebar-content .create-room-form input{width:100%;padding:15px 20px;border:2px solid #8B4513;border-radius:0;font-size:14px;margin-bottom:15px;background:#ffffff;color:#333;font-family:Arial,Helvetica,sans-serif;transition:all .3s ease}.sidebar-content .create-room-form input:focus{outline:none;border-color:sienna;box-shadow:0 0 0 3px #8b45131a}.sidebar-content .create-room-form button{width:100%;padding:15px 20px;background:#8B4513;color:#fff;border:2px solid #8B4513;border-radius:0;cursor:pointer;font-weight:600;font-family:Arial,Helvetica,sans-serif;letter-spacing:1px;text-transform:uppercase;transition:all .3s ease}.sidebar-content .create-room-form button:hover{background:#A0522D;border-color:sienna;transform:translateY(-2px);box-shadow:0 4px 12px #8b45134d}.sidebar-rooms-list{display:flex;flex-direction:column;gap:12px}.sidebar-room-item{padding:18px;border:2px solid #8B4513;border-radius:0;cursor:pointer;transition:all .3s ease;display:flex;justify-content:space-between;align-items:center;background:#ffffff;box-shadow:0 2px 8px #8b45131a}.sidebar-room-item:hover{border-color:sienna;transform:translateY(-2px);box-shadow:0 4px 15px #8b451333;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%)}.sidebar-room-item.current{border-color:sienna;background:linear-gradient(145deg,#f0f4ff 0%,#e8f0ff 100%);box-shadow:0 4px 15px #8b45134d}.sidebar-room-info{flex:1}.sidebar-room-name{font-weight:600;color:#8b4513;margin-bottom:5px;font-size:15px;font-family:Arial,Helvetica,sans-serif;letter-spacing:.5px}.sidebar-room-desc{color:#666;font-size:12px;font-style:italic;font-family:Arial,Helvetica,sans-serif}.sidebar-room-stats{text-align:right;color:#8b4513;font-size:11px;font-weight:600;font-family:Arial,Helvetica,sans-serif}.joined-room{border-color:sienna!important;background:linear-gradient(145deg,#f0f4ff 0%,#e8f0ff 100%)!important;box-shadow:0 4px 15px #8b45134d!important}.discussion-container{padding:20px;max-width:1000px;margin:0 auto}.discussion-header{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.discussion-content{background:white;border-radius:12px;padding:20px;box-shadow:0 2px 10px #0000001a}.discussions-list{display:flex;flex-direction:column;gap:15px}.discussion-item{background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:20px;cursor:pointer;transition:all .2s ease;display:flex;justify-content:space-between;align-items:flex-start}.discussion-item:hover{background:#e9ecef;border-color:#007bff;transform:translateY(-2px);box-shadow:0 4px 12px #007bff26}.discussion-info{flex:1}.discussion-title{font-size:1.2em;font-weight:700;color:#2c3e50;margin:0 0 8px}.discussion-description{color:#6c757d;margin:0 0 5px;line-height:1.4;font-size:.9em}.link-icon{font-size:.9em}.discussion-link a{color:#007bff;text-decoration:none;font-size:.9em;word-break:break-all}.discussion-link a:hover{text-decoration:underline}.discussion-meta{display:flex;gap:15px;font-size:.85em;color:#6c757d;margin-top:10px}.discussion-actions{margin-left:15px}.no-discussions{text-align:center;padding:40px 20px;color:#6c757d}.discussion-chat-header{background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);padding:15px 20px;border-bottom:1px solid #e9ecef;display:flex;align-items:center;gap:15px}.discussion-chat-header .discussion-info{flex:1}.discussion-chat-header h1{font-size:1.3em;margin:0 0 5px;color:#2c3e50}.discussion-chat-header .discussion-description{font-size:.9em;color:#6c757d;margin:0 0 8px}.discussion-chat-header .discussion-link{font-size:.85em}.discussion-chat-container{display:flex;flex-direction:column;height:calc(100vh - 140px);background:white}.discussion-chat-messages{flex:1;overflow-y:auto;padding:20px;background:#f8f9fa}.discussion-message{background:white;border-radius:12px;padding:15px;margin-bottom:15px;box-shadow:0 2px 8px #0000001a;border-left:4px solid #007bff}.message-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.timestamp{font-size:.8em;color:#6c757d;margin-left:auto}.message-content{color:#2c3e50;line-height:1.5;white-space:pre-wrap}.discussion-chat-input{background:white;border-top:1px solid #e9ecef;padding:15px 20px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:white;border-radius:12px;padding:0;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 10px 30px #0000004d}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid #e9ecef;background:#f8f9fa;border-radius:12px 12px 0 0}.modal-header h2{margin:0;color:#2c3e50}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:#6c757d;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.modal-close:hover{color:#dc3545}.discussion-form{padding:20px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:5px;font-weight:700;color:#2c3e50}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;font-size:14px;box-sizing:border-box}.form-group textarea{resize:vertical;min-height:80px}.form-group small{display:block;margin-top:5px;color:#6c757d;font-size:.85em}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:30px;padding-top:20px;border-top:1px solid #e9ecef}.external-link{color:#007bff!important;text-decoration:none;font-weight:500}.external-link:hover{text-decoration:underline!important}.discussion-room{border-left:4px solid #007bff!important;background:linear-gradient(145deg,#f0f8ff 0%,#e6f3ff 100%)!important}.discussion-room:hover{border-color:#0056b3!important;background:linear-gradient(145deg,#e6f3ff 0%,#d0e7ff 100%)!important}.discussion-badge{background:#007bff;color:#fff;font-size:.7em;padding:2px 6px;border-radius:4px;margin-left:8px;font-weight:400}.discussion-link{margin:8px 0;display:flex;align-items:center;gap:5px}.discussion-link .link-icon{font-size:.9em}.discussion-link .external-link{color:#007bff;text-decoration:none;font-size:.9em;word-break:break-all}.discussion-link .external-link:hover{text-decoration:underline}.discussion-category{margin:8px 0}.category-badge{background:#6c757d;color:#fff;font-size:.8em;padding:2px 8px;border-radius:12px;text-transform:capitalize}.discussion-link-section{margin:0;padding:0;background:#f8f9fa;border-radius:12px;border:1px solid #e9ecef}.discussion-content{padding:5px 20px;background:white;border-radius:0;border:none;box-shadow:none;margin:0}.discussion-title{font-size:1.5em;font-weight:700;color:#2c3e50;margin:0 0 15px;line-height:1.3}.link-preview-container{margin:0}.link-preview{background:white;border:1px solid #e9ecef;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #0000001a;transition:all .2s ease;cursor:pointer;max-width:100%;width:100%}.link-preview:hover{transform:translateY(-2px);box-shadow:0 4px 15px #00000026}.youtube-preview{display:flex;flex-direction:column}.preview-thumbnail{position:relative;width:100%;height:300px;overflow:hidden}.preview-thumbnail img{width:100%;height:100%;object-fit:cover}.play-button{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80px;height:80px;background:rgba(0,0,0,.8);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.play-icon{color:#fff;font-size:28px;margin-left:4px}.link-preview:hover .play-button{background:rgba(0,0,0,.9);transform:translate(-50%,-50%) scale(1.1)}.preview-content{padding:15px}.preview-title{font-size:1.1em;font-weight:700;color:#2c3e50;margin:0 0 8px;line-height:1.3}.preview-description{color:#6c757d;font-size:.9em;margin:0 0 8px;line-height:1.4}.preview-url{color:#007bff;font-size:.8em;word-break:break-all;opacity:.8}.website-preview{display:flex;align-items:center;padding:15px}.website-preview .preview-content{flex:1;padding:0}.website-preview .preview-icon{font-size:24px;color:#6c757d;margin-left:15px}.article-preview{display:flex;flex-direction:column;background:linear-gradient(145deg,#f8f9fa 0%,#ffffff 100%);border:2px solid #8B4513;border-radius:12px;padding:15px;transition:all .3s ease}.article-preview:hover{transform:translateY(-2px);box-shadow:0 4px 15px #8b451333;border-color:sienna}.preview-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}.preview-header .preview-icon{font-size:20px;color:#8b4513}.preview-site-name{font-size:.8em;color:#6c757d;margin-bottom:5px;font-weight:500}.article-preview .preview-thumbnail,.website-preview .preview-thumbnail{width:100%;height:200px;overflow:hidden;border-radius:8px;margin-bottom:10px}.article-preview .preview-thumbnail img,.website-preview .preview-thumbnail img{width:100%;height:100%;object-fit:cover}.preview-skeleton{display:flex;padding:15px}.skeleton-thumbnail{width:120px;height:80px;background:#f0f0f0;border-radius:8px;margin-right:15px;animation:skeleton-loading 1.5s ease-in-out infinite}.skeleton-content{flex:1}.skeleton-title{height:16px;background:#f0f0f0;border-radius:4px;margin-bottom:8px;animation:skeleton-loading 1.5s ease-in-out infinite}.skeleton-description{height:12px;background:#f0f0f0;border-radius:4px;width:80%;animation:skeleton-loading 1.5s ease-in-out infinite}@keyframes skeleton-loading{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.preview-error{display:flex;align-items:center;padding:15px;color:#dc3545}.error-icon{margin-right:8px;font-size:16px}.error-text{font-size:.9em}.discussion-message{opacity:0;transform:translateY(30px) scale(.95);animation:slideUpFadeIn .8s cubic-bezier(.25,.46,.45,.94) forwards;margin-bottom:15px;padding:15px;background:white;border-radius:12px;border:1px solid #e9ecef;box-shadow:0 2px 8px #0000000d;transition:all .3s ease;position:relative;overflow:hidden}.discussion-message:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 1.5s ease-in-out}.discussion-message:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 25px #00000026}.message-slide-up{animation:slideUpFadeIn .8s cubic-bezier(.25,.46,.45,.94) forwards}@keyframes slideUpFadeIn{0%{opacity:0;transform:translateY(40px) scale(.9)}50%{opacity:.8;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes shimmer{0%{left:-100%}to{left:100%}}.message-header{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:.9em}.user-emoji{font-size:1.2em}.username{font-weight:700;color:#2c3e50}.timestamp{color:#6c757d;font-size:.8em;margin-left:auto}.message-content{color:#2c3e50;line-height:1.5;word-wrap:break-word}.discussion-chat-messages{flex:1;overflow-y:auto;padding:20px;background:#f8f9fa;border-radius:12px;margin-bottom:20px;min-height:0}.discussion-chat-messages::-webkit-scrollbar{width:6px}.discussion-chat-messages::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.discussion-chat-messages::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.discussion-chat-messages::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.no-messages{text-align:center;color:#6c757d;padding:40px 20px}.no-messages p{margin:5px 0;font-size:1.1em}.discussion-chat-container{display:flex;flex-direction:column;height:calc(100vh - 200px);min-height:400px}.discussion-chat-input{background:white;padding:20px;border-radius:12px;border:1px solid #e9ecef;box-shadow:0 2px 8px #0000000d;position:fixed;bottom:64px;left:0;right:0;z-index:40;flex-shrink:0}.message-form{width:100%}.input-group{display:flex;gap:10px;align-items:center}.message-input{flex:1;padding:12px 16px;border:1px solid #e9ecef;border-radius:25px;font-size:1em;outline:none;transition:border-color .2s ease}.message-input:focus{border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}.send-button{padding:12px 24px;background:#007bff;color:#fff;border:none;border-radius:25px;font-size:1em;font-weight:700;cursor:pointer;transition:all .2s ease}.send-button:hover{background:#0056b3;transform:translateY(-1px);box-shadow:0 4px 12px #007bff4d}.send-button:active{transform:translateY(0)}.discussion-info-section{background:white;border-bottom:1px solid #e9ecef;padding:0;position:fixed;top:64px;left:0;right:0;z-index:50;transition:all .3s ease;overflow:hidden;box-shadow:0 2px 10px #0000001a}.discussion-info-section.collapsed{padding:5px 20px;max-height:50px}.discussion-info-section.expanded{max-height:1000px}.toggle-section{display:flex;justify-content:center;margin-top:15px;padding-top:15px;border-top:1px solid #f0f0f0}.toggle-section-compact{display:flex;justify-content:center;margin-top:5px;padding-top:0;border-top:none}.toggle-info-btn{background:linear-gradient(145deg,#f8f9fa 0%,#e9ecef 100%);border:2px solid #8B4513;font-size:18px;color:#8b4513;cursor:pointer;padding:10px 15px;border-radius:25px;transition:all .3s ease;font-weight:700;min-width:50px}.toggle-info-btn:hover{background:linear-gradient(145deg,#8B4513 0%,#A0522D 100%);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #8b45134d}.toggle-info-btn:active{transform:translateY(0);box-shadow:0 2px 6px #8b451333}.toggle-info-btn-compact{background:none;border:none;font-size:12px;color:#8b4513;cursor:pointer;padding:4px 8px;border-radius:12px;transition:all .2s ease;font-weight:700;min-width:24px;height:24px;display:flex;align-items:center;justify-content:center}.toggle-info-btn-compact:hover{background:rgba(139,69,19,.1);transform:scale(1.1)}.toggle-info-btn-compact:active{transform:scale(.95)}.joined-room:hover{border-color:#8b4513!important;background:linear-gradient(145deg,#e8f0ff 0%,#d0e0ff 100%)!important}.already-joined{border-color:sienna!important;background:linear-gradient(145deg,#f8f8f8 0%,#f0f0f0 100%)!important}.already-joined:hover{border-color:#8b4513!important;background:linear-gradient(145deg,#f0f0f0 0%,#e8e8e8 100%)!important}.joined-badge{background:#8B4513;color:#fff;padding:2px 8px;border-radius:0;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-top:4px;display:inline-block}.no-rooms{text-align:center;color:#8b4513;font-style:italic;padding:20px;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);border:2px dashed #8B4513;border-radius:0;font-family:Arial,Helvetica,sans-serif}.friends-container{display:flex;flex-direction:column;height:100vh;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);border:none;border-radius:0}.friends-content{flex:1;padding:0;margin:0;overflow-y:auto;background:#ffffff}.friends-tabs{display:flex;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%);border-bottom:2px solid #8B4513;box-shadow:0 2px 8px #8b45131a;overflow-x:auto}.tab-btn{flex:1;min-width:120px;padding:15px 20px;background:transparent;border:none;border-bottom:3px solid transparent;color:#8b4513;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:Arial,Helvetica,sans-serif;white-space:nowrap}.tab-btn:hover{background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);color:sienna}.tab-btn.active{border-bottom-color:#8b4513;background:linear-gradient(145deg,#f0f4ff 0%,#e8f0ff 100%);color:#8b4513}.friends-tab-content{padding:20px;min-height:400px}.friends-list{display:flex;flex-direction:column;gap:15px}.friend-item{display:flex;align-items:center;justify-content:space-between;padding:20px;background:#ffffff;border:2px solid #8B4513;border-radius:0;box-shadow:0 2px 8px #8b45131a;transition:all .3s ease}.friend-item:hover{border-color:sienna;transform:translateY(-2px);box-shadow:0 4px 15px #8b451333;background:linear-gradient(145deg,#ffffff 0%,#f8f8f8 100%)}.friend-info{display:flex;align-items:center;gap:15px}.friend-emoji{font-size:32px;line-height:1}.friend-details{display:flex;flex-direction:column;gap:4px}.friend-name{font-size:18px;font-weight:600;color:#8b4513;font-family:Arial,Helvetica,sans-serif;letter-spacing:.5px}.friend-gender{font-size:14px;color:#666;font-style:italic;font-family:Arial,Helvetica,sans-serif}.friend-actions{display:flex;gap:10px}.btn-small{padding:8px 16px;font-size:12px;border-radius:0;font-weight:600;letter-spacing:.5px;text-transform:uppercase;transition:all .3s ease}.btn-small:hover{transform:translateY(-1px);box-shadow:0 2px 8px #8b45134d}.no-friends{text-align:center;color:#8b4513;font-style:italic;padding:40px 20px;background:linear-gradient(145deg,#f8f8f8 0%,#ffffff 100%);border:2px dashed #8B4513;border-radius:0;font-family:Arial,Helvetica,sans-serif;font-size:16px}.loading{text-align:center;color:#8b4513;padding:40px 20px;font-family:Arial,Helvetica,sans-serif;font-size:16px}@media (max-width: 600px){.username-input,.rooms-sidebar{width:100%}.friends-tabs{flex-wrap:nowrap;overflow-x:auto}.tab-btn{min-width:100px;padding:12px 16px;font-size:12px}.friend-item{flex-direction:column;align-items:flex-start;gap:15px}.friend-actions{width:100%;justify-content:center}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);height:100vh;overflow:hidden}.app{height:100vh;display:flex;align-items:center;justify-content:center}.screen{width:100%;max-width:none;height:100vh;background:white;border-radius:0;box-shadow:none;display:flex;flex-direction:column;overflow:hidden}.screen.login{height:100vh}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block;text-align:center}.btn-primary{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff}.btn-primary:hover{transform:translateY(-2px)}.btn-secondary{background:#f8f9fa;color:#333;border:2px solid #e1e5e9}.btn-secondary:hover{background:#e9ecef}.btn-small{padding:8px 16px;font-size:12px}.input{padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;font-size:14px;transition:border-color .3s;width:100%}.input:focus{outline:none;border-color:#667eea}.loading{text-align:center;padding:20px;color:#666}.error{background:#fee;color:#c33;padding:10px;border-radius:8px;margin:10px 0;font-size:14px}@media (max-width: 600px){.screen{width:100%;height:100vh}.screen.login{height:100vh}}
