#student-chat{max-width:1160px;margin:auto;padding:28px 24px 64px}#student-chat [hidden]{display:none!important}#student-chat h1{font-size:2.4rem!important;margin:8px 0!important}#student-chat h2{font-size:1.35rem!important;margin:10px 0 18px!important}#student-chat h3{font-size:1.1rem!important;margin:12px 0!important}#student-chat p{margin:8px 0 16px}#student-chat button,#student-chat input,#student-chat textarea,#student-chat select{font:inherit}#student-chat button{padding:10px 15px;border:1px solid #cbd5e1;border-radius:7px;background:white;color:#243650;cursor:pointer;min-height:44px}#student-chat button:hover{background:#eef4fc}#student-chat button:disabled{opacity:.6;cursor:wait}#student-chat .sc-primary{background:#1859a9;color:white;border-color:#1859a9}#student-chat .sc-primary:hover{background:#10447f}#student-chat label{display:block;margin:10px 0 5px}#student-chat input:not([type=checkbox]),#student-chat textarea,#student-chat select{display:block;width:100%;padding:10px 12px;border:1px solid #b8c4d5;border-radius:6px;background:white;color:#172033;min-width:0}#student-chat input[type=checkbox]{width:18px;height:18px;vertical-align:middle}#student-chat form>button{margin-top:16px}#student-chat .sc-heading,#student-chat .sc-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}#student-chat .sc-muted{font-size:14px;color:#566176}#student-chat .sc-login{max-width:620px;margin:20px auto;padding:26px;border:1px solid #dfe4ea;border-radius:12px}#student-chat .sc-notice{background:#edf4fc;border-left:4px solid #1859a9;padding:16px 20px;margin-bottom:22px}#student-chat .sc-notice a{color:#145bb9;text-decoration:underline}#student-chat .sc-panel{padding:20px;border:1px solid #dfe4ea;border-radius:10px;margin:18px 0}#password-panel{max-width:620px;margin:20px auto!important}#status{white-space:pre-wrap;color:#1859a9}#status.sc-error{color:#a32323}#student-chat .sc-layout{display:grid;grid-template-columns:230px minmax(0,1fr);border:1px solid #dfe4ea;border-radius:12px;overflow:hidden;margin-top:20px}#student-chat aside{padding:20px 14px;background:#f6f8fb;border-right:1px solid #dfe4ea}#class-list button{width:100%;text-align:left;margin:5px 0}#class-list button[aria-pressed=true]{background:#1859a9;color:#fff}#student-chat .sc-chat-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:18px 22px;border-bottom:1px solid #dfe4ea}#messages{padding:16px 22px;max-height:560px;min-height:270px;overflow-y:auto;overflow-wrap:anywhere}#student-chat .sc-message{margin:12px 0 20px;max-width:90%}#student-chat .sc-message.sc-own{margin-left:auto}#student-chat .sc-bubble{white-space:pre-wrap;padding:12px 15px;background:#f0f3f8;border-radius:0 10px 10px 10px}#student-chat .sc-own .sc-bubble{background:#eaf2ff}#student-chat .sc-announcement .sc-bubble{background:#edf4fc;border-left:3px solid #1859a9}#student-chat .sc-reply-quote{font-size:14px;border-left:2px solid #95afd1;padding:5px 10px;margin-bottom:6px;white-space:pre-wrap}#student-chat .sc-reply{padding:2px 0;border:0;background:none;color:#1859a9;min-height:32px;font-size:14px}#message-form{padding:16px 22px;border-top:1px solid #dfe4ea}#reply-preview{padding:8px;background:#edf4fc}#student-chat .sc-admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}#student-chat .sc-row{padding:16px 0;border-bottom:1px solid #dfe4ea}#student-chat .sc-row button{margin:6px 6px 0 0}#student-chat fieldset{border:1px solid #dfe4ea;margin:18px 0;padding:12px}#student-chat .sc-danger{color:#a32323}#student-chat .sc-member-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}#student-chat .sc-member-controls select{width:auto;max-width:100%}@media(max-width:760px){#student-chat .sc-layout,#student-chat .sc-admin-grid{grid-template-columns:1fr}#student-chat aside{border-right:0;border-bottom:1px solid #dfe4ea}#student-chat{padding:20px 14px}#student-chat .sc-login{padding:18px}#messages{padding:14px;max-height:420px}#student-chat .sc-message{max-width:100%}}