/* Styles for the student and exam tools, extracted from index.html. */
    .install-app-button{font:inherit;font-size:13px;padding:8px 12px;border:1px solid #9fb5d6;border-radius:10px;background:#fff;color:#17243b;cursor:pointer;min-height:38px}
    body.dark-mode .install-app-button{background:#182438;color:#e7edf8;border-color:#34445d}
    #student-tools{margin:18px 0 26px;padding:18px;border:1px solid #d9e1ed;border-radius:16px;background:#fff;color:#17243b}
    #student-tools h3{margin:0 0 8px;font-size:18px}
    #student-tools p{margin:0 0 12px;color:#64748b;font-size:13px}
    #student-tools .tools-actions{display:flex;flex-wrap:wrap;gap:8px}
    #student-tools .tools-actions button{font:inherit;font-size:13px;padding:9px 13px;border:1px solid #d9e1ed;border-radius:10px;background:#fff;color:#17243b;cursor:pointer;min-height:42px}
    #student-tools .bookmark-list{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:7px}
    #student-tools .progress-report{margin-top:12px;padding:12px;border:1px solid #d9e1ed;border-radius:12px}
    #exam-tools{margin-top:16px;padding:14px;border:1px solid #d9e1ed;border-radius:12px;background:#f8fafc;color:#17243b}
    #exam-tools h3{margin:0 0 8px;font-size:17px}#exam-tools p{margin:0 0 10px}
    #exam-tools .exam-config{display:flex;flex-wrap:wrap;align-items:end;gap:10px}
    #exam-tools label{display:grid;gap:5px;font-size:13px}
    #exam-tools select{font:inherit;padding:9px;border:1px solid #d9e1ed;border-radius:8px;background:#fff;color:#17243b}
    #exam-tools button{font:inherit;padding:10px 14px;border-radius:9px;cursor:pointer}
    body.dark-mode #exam-tools{background:#101827;color:#e7edf8;border-color:#34445d}
    body.dark-mode #exam-tools select{background:#182438;color:#e7edf8;border-color:#34445d}
    body.dark-mode #student-tools{background:#182438;color:#e7edf8;border-color:#34445d}
    body.dark-mode #student-tools .tools-actions button{background:#182438;color:#e7edf8;border-color:#34445d}
    @media(max-width:640px){#student-tools{padding:14px}#student-tools .tools-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}#student-tools .tools-actions button{flex:none;width:100%;min-width:0;min-height:48px;padding:8px 9px;line-height:1.5;white-space:normal;overflow-wrap:anywhere}}