.chat-channel-tabs{flex-wrap:wrap;justify-content:flex-end;gap:6px;margin:0 0 6px;padding:0 4px;display:none}.chat-channel-tab{color:#ffffffd9;cursor:pointer;-webkit-backdrop-filter:blur(8px);background:#00000040;border:1px solid #ffffff59;border-radius:999px;padding:4px 12px;font-size:12px}.chat-channel-tab.active{color:#fff;background:#78c88c59;border-color:#a0e6aab3}.chat-input-container.study-channel-active{box-shadow:0 0 0 1px #8cd2a059}.gear-section-desc{color:#ffffffb8;margin:0 0 10px;font-size:12px;line-height:1.45}.study-channel-notice{color:#ffffffeb;background:#14281e8c;border:1px solid #8cd2a059;border-radius:10px;margin:8px 10px 6px;padding:10px 12px;font-size:12px;line-height:1.5}.study-channel-notice-title{margin-bottom:4px;font-weight:700}.study-channel-notice-body{margin:0 0 8px}.study-channel-notice-dismiss{cursor:pointer;color:#fff;background:#78c88c73;border:none;border-radius:999px;padding:4px 12px;font-size:12px}.vocab-word{cursor:help;text-underline-offset:3px;-webkit-text-decoration:underline dashed;text-decoration:underline dashed;text-decoration-thickness:1.5px;position:relative}.vocab-word:hover,.vocab-word.vocab-tooltip-open{background:#78c88c2e}.vocab-floating-tooltip{z-index:4000;color:#fff;pointer-events:none;background:#0f1914eb;border:1px solid #8cd2a073;border-radius:8px;max-width:min(220px,70vw);padding:6px 8px;font-size:11px;line-height:1.4;position:fixed}.has-vocab-hints.clickable-bubble{cursor:pointer}@media (width<=768px){.chat-channel-tabs{justify-content:center}}body[data-mode=lobby] #chatInputArea,body[data-mode=lobby] #historyPanel,body[data-mode=lobby] #charBubble,body[data-mode=lobby] #toggleHistoryBtn,body[data-mode=lobby] #mobileGridBtn,body[data-mode=lobby] #toggleItemBtn{display:none!important}body[data-mode=lobby] #lobbyUI{display:flex!important}body[data-mode=chat] #lobbyUI,body[data-mode=chat] 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#a855f74d}.zodiac-wheel{border-radius:50%;position:absolute;inset:0;overflow:hidden}.zodiac-slice{transform-origin:0 100%;clip-path:polygon(0 100%,100% 100%,100% 42.265%);border-left:1px solid #ffffff1a;width:50%;height:50%;position:absolute;top:0;left:50%;overflow:hidden}.zodiac-slice-bg{opacity:.75;transform-origin:50%;background-color:#ffffff0a;background-position:50% 25%;background-size:cover;width:200%;height:200%;transition:opacity .3s,transform .3s;position:absolute;bottom:-50%;left:-50%}.zodiac-slice:hover .zodiac-slice-bg{opacity:1;background-color:#ffffff1a;transform:scale(1.05)}.zodiac-option{cursor:pointer;background:0 0;border:none;width:100%;height:100%;padding:0;position:absolute;inset:0}.zodiac-option-content{color:#fff;flex-direction:column;justify-content:center;align-items:center;transition:transform .3s,text-shadow .3s;display:flex;position:absolute;bottom:12%;left:45%}.zodiac-slice:hover .zodiac-option-content{text-shadow:0 0 12px #fff}.zodiac-emoji{font-size:1.4rem;line-height:1.2}.zodiac-name{text-align:center;white-space:nowrap;letter-spacing:.05em;color:#ffffffd9;text-shadow:0 1px 3px #000c;font-size:.65rem}.zodiac-actions{justify-content:space-between;align-items:center;margin-top:18px;display:flex}.zodiac-checkbox{color:#ffffffbd;align-items:center;gap:8px;display:flex}.zodiac-skip{color:#fff;cursor:pointer;background:#ffffff14;border:1px solid #ffffff24;border-radius:999px;padding:8px 12px;transition:background .2s}.zodiac-skip:hover{background:#ffffff2e}.zodiac-mood-dialog{max-width:min(420px,90vw)}.mood-wheel{border-radius:50%;width:min(280px,68vw);height:min(280px,68vw);margin:20px auto 0;position:relative;overflow:hidden;box-shadow:0 0 40px #00000080,0 0 0 1px #ffffff14}.mood-slice{cursor:pointer;background:var(--mood-color,#ffffff1a);opacity:.8;box-sizing:border-box;border:none;justify-content:flex-start;align-items:flex-end;width:50%;height:50%;padding:10px;transition:opacity .25s,filter 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#ffffff26;border-radius:50%;place-items:center;width:56px;height:56px;font-size:1.6rem;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 20px #0009}.mood-actions{margin-top:20px}.element-wheel{border-radius:50%;position:absolute;inset:0;overflow:hidden}.element-slice{clip-path:polygon(50% 50%,100% 21.13%,100% 0,0 0,0 21.13%);transform-origin:50%;background:#a855f726;border-top:1px solid #ffffff1a;width:100%;height:100%;transition:opacity .3s,background .3s;position:absolute;top:0;left:0}.element-slice:hover{background:#a855f766}.element-option-content{transform-origin:50%;pointer-events:none;flex-direction:column;align-items:center;gap:6px;display:flex;position:absolute;top:12%;left:50%}body{background-color:#000;justify-content:center;align-items:center;height:100vh;margin:0;font-family:Arial,sans-serif;display:flex}.bg-layer{pointer-events:none;background-position:50%;background-repeat:no-repeat;background-size:cover;width:100vw;height:100vh;transition:opacity .5s ease-in-out;position:fixed;top:0;left:0}#live2dContainer{z-index:100;cursor:default;width:270px;height:100vh;position:fixed;top:10vh;left:20px}#live2dScaleWrap.live2d-scale-wrap{--char-scale:1;width:100%;height:100%;transform:scale(var(--char-scale));transform-origin:bottom;will-change:transform;transition:transform .25s cubic-bezier(.25,.8,.25,1);position:relative}#live2dCanvas{border-radius:8px;width:100%;height:100%}.chat-message.highlight{background-color:#ffe6fa99;transition:background-color .6s}#live2dContainer[data-character=mao]{width:650px!important}#live2dContainer[data-character=mao] #live2dCanvas{transform:translate(-40px)}.global-loader{z-index:9990;background-color:#000000d9;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;transition:opacity .2s ease-out,visibility .2s ease-out;display:flex;position:fixed;top:0;left:0;transform:translateZ(0)}.global-loader.hidden{opacity:0;visibility:hidden;pointer-events:none}.global-loader.hidden .loader-text,.global-loader.suppressed{display:none!important}.loader-spinner{border:4px solid #fff3;border-top-color:#ffb6c1;border-radius:50%;width:50px;height:50px;margin-bottom:20px;animation:1s linear infinite spin}.loader-text{color:#fff;letter-spacing:2px;text-shadow:0 2px 4px #00000080;font-size:1.2rem;font-weight:500;animation:1.5s ease-in-out infinite pulse}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}#display{color:#fff;letter-spacing:2px;-webkit-backdrop-filter:blur(8px);z-index:9999;text-align:center;pointer-events:none;text-shadow:0 2px 4px #00000080;background:#0009;border:1px solid #ffffff1a;border-radius:30px;padding:12px 24px;font-size:1.2rem;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 15px #0000004d}.sidebar{-webkit-backdrop-filter:blur(25px);box-sizing:border-box;z-index:999;background-color:#14141473;border:1px solid #ffffff1a;border-radius:24px;flex-direction:column;gap:15px;width:clamp(60px,3.1vw,120px);height:auto;padding:10px;transition:width .3s,height .35s cubic-bezier(.4,0,.2,1),background-color .3s;display:flex;position:fixed;top:20px;left:20px;overflow:visible;box-shadow:4px 4px 20px #0000004d}.sidebar.open{background-color:#14141480;align-items:stretch;width:clamp(165px,12.2vw - 70px,400px);padding:15px;box-shadow:4px 10px 30px #00000080}.sidebar-top{flex-direction:row;flex-shrink:0;align-items:center;gap:6px;width:100%;display:flex}.lever-wrapper{opacity:0;flex-shrink:0;width:0;transition:width .3s,opacity .25s;overflow:hidden}.sidebar.open .lever-wrapper{opacity:1;width:clamp(52px,24px + 1.45vw,80px)}.col-btn{color:#fff;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:clamp(40px,15px + 1.3vw,65px);height:clamp(40px,15px + 1.3vw,65px);font-size:clamp(18px,.94vw,36px);text-decoration:none;display:flex}.switch-row{cursor:default;justify-content:space-between;align-items:center;gap:8px;height:40px;padding:0 4px;display:flex}.switch-label{color:#ddd;white-space:nowrap;font-size:12px}.lever-switch{cursor:pointer;border-radius:clamp(14px,7px + 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#ffffff26;border-bottom:none;border-radius:24px 24px 0 0;padding:24px;animation:.3s cubic-bezier(.2,.8,.2,1) slideUpBottomSheet;box-shadow:0 -10px 40px #0006;width:100%!important;margin:0!important;position:fixed!important;inset:auto 0 0!important}@keyframes slideUpBottomSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sidebar-bg-grid{flex-flow:row;gap:16px;padding-bottom:12px;overflow:auto hidden;max-height:none!important;display:flex!important}.sidebar-bg-grid::-webkit-scrollbar{height:6px}.sidebar-bg-grid::-webkit-scrollbar-track{background:#0000000d;border-radius:2px}.sidebar-bg-grid::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.sidebar-bg-grid::-webkit-scrollbar-thumb:hover{background:#ffffff40}.sidebar-bg-thumb{object-fit:cover;cursor:pointer;border:2px solid #0000;border-radius:8px;flex-shrink:0;transition:transform .2s,border-color .2s,box-shadow 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