.class-chat-launcher{position:fixed;right:24px;bottom:88px;z-index:90;border:1px solid #7c3aed!important;border-radius:24px!important;background:#fff!important;color:#6022c3!important;padding:12px 22px!important;font:700 15px/1.3 system-ui!important;box-shadow:0 5px 24px #46257825;cursor:pointer}
.class-chat-launcher[hidden]{display:none!important}
.teacher-chat-card{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;border:1px solid #ddd0f7;border-radius:22px;padding:28px;margin:24px 0;color:#25304b}.teacher-chat-card h2{margin:5px 0 10px}.teacher-chat-card p{margin:6px 0}.teacher-chat-card button{flex-shrink:0}
.class-chat-dialog{width:min(850px,calc(100vw - 32px));height:min(880px,calc(100dvh - 32px));max-width:none;max-height:none;padding:0;border:1px solid #dcd3eb;border-radius:24px;background:#fff;color:#28324a;box-shadow:0 24px 100px #1a123c40;font:15px/1.5 system-ui,-apple-system,sans-serif;overflow:hidden}
.class-chat-dialog[open]{display:flex;flex-direction:column}.class-chat-dialog::backdrop{background:#17102770;backdrop-filter:blur(3px)}
.class-chat-dialog *{box-sizing:border-box}.class-chat-dialog [hidden]{display:none!important}
.class-chat-dialog button{font:600 14px/1.4 system-ui;padding:9px 14px;border:1px solid #d9caf3;border-radius:12px;background:#fff;color:#6422c5;cursor:pointer;box-shadow:none;white-space:normal;letter-spacing:normal;text-transform:none;min-height:40px}
.class-chat-dialog button:hover{background:#f5f0ff}.class-chat-dialog button:focus-visible,.class-chat-dialog textarea:focus-visible{outline:3px solid #a987eb;outline-offset:2px}.class-chat-dialog button:disabled{opacity:.55;cursor:default}
.class-chat-header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 26px 14px;background:#fff;border:0;flex:none;position:static}
.class-chat-header h2{font-size:25px;margin:2px 0;color:#322052}.class-chat-eyebrow{font-size:11px;letter-spacing:.13em;font-weight:800;color:#8050bc;margin:0}
.class-chat-notice{background:#f5f1fd;border-block:1px solid #ebe4f6;margin:0;padding:12px 26px;font-size:13px;color:#625578;flex:none}
.class-chat-identity{margin:12px 26px 0;color:#6b617d;font-size:12px}.class-chat-toolbar{display:flex;justify-content:space-between;gap:10px;padding:8px 26px}.class-chat-toolbar button{padding:5px 10px;min-height:32px;font-size:12px}
.class-chat-messages{overflow:auto;overscroll-behavior:contain;flex:1;min-height:120px;padding:14px 26px;background:#faf9fd;scrollbar-gutter:stable}
.class-chat-message{max-width:90%;margin:0 auto 16px 0;padding:14px 17px;border:1px solid #e3dfeb;border-radius:18px 18px 18px 4px;background:#fff;overflow-wrap:anywhere;box-shadow:0 2px 6px #31225505}
.class-chat-message.is-own{margin-left:auto;margin-right:0;background:#f0e8ff;border-color:#ddccf6;border-radius:18px 18px 4px 18px}.class-chat-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#685781}.class-chat-meta strong{color:#592593}.class-chat-meta time{font-size:11px;color:#7b7287}
.class-chat-text{white-space:pre-wrap;margin:9px 0 0;font-size:15px;color:#303046;line-height:1.6}.class-chat-download{display:block;text-align:left;margin:9px 0 0;overflow-wrap:anywhere;max-width:100%}
.class-chat-empty{text-align:center;margin:45px auto;color:#726a81;max-width:360px}.class-chat-status{flex:none;font-size:12px;color:#626076;margin:0;padding:8px 26px;min-height:32px;background:#fff}.class-chat-status.class-chat-error{color:#b0254a;background:#fff0f4}
.class-chat-composer{flex:none;padding:8px 26px 16px;border-top:1px solid #ece7f4;background:#fff;max-height:48%;overflow:auto}.class-chat-composer>label{display:block;font-weight:700;font-size:13px;margin:0 0 6px;color:#50415f}
.class-chat-composer textarea{width:100%;min-height:70px;max-height:180px;resize:vertical;background:#fff;color:#282d3f;border:1px solid #d8cbed;border-radius:13px;padding:11px 13px;font:15px/1.5 system-ui;box-shadow:none;margin:0;display:block}
.class-chat-actions{display:flex;justify-content:space-between;gap:16px;margin-top:9px}.class-chat-dialog .class-chat-send{background:#7829d9;color:#fff;border-color:#7829d9;padding-inline:22px}.class-chat-dialog .class-chat-send:hover{background:#6320b7}
.class-chat-helper{margin:9px 0 0;font-size:11px;color:#81758c}.class-chat-queue{display:flex;flex-wrap:wrap;gap:7px;max-height:100px;overflow:auto}.class-chat-file-chip{max-width:100%;display:flex;align-items:center;gap:8px;background:#f5f1fc;border-radius:10px;padding:4px 8px;margin-top:8px;font-size:12px;overflow-wrap:anywhere}.class-chat-file-chip button{padding:1px 7px;min-height:28px;font-size:20px;border:0;background:transparent}
@media(max-width:600px){.class-chat-dialog{width:calc(100vw - 12px);height:calc(100dvh - 12px);border-radius:18px}.class-chat-header{padding:15px 16px 11px}.class-chat-notice{padding:10px 16px;font-size:12px}.class-chat-identity{margin:9px 16px 0}.class-chat-toolbar,.class-chat-messages,.class-chat-status{padding-inline:16px}.class-chat-composer{padding:8px 16px 12px}.class-chat-message{max-width:97%;padding:12px}.class-chat-launcher{right:16px;bottom:84px;padding:10px 17px!important}.teacher-chat-card{display:block;padding:20px}.teacher-chat-card button{margin-top:14px}}