/* Shared presentation for IP questions. Layout and sticky behavior stay per page. */
.ip-question-panel,
.subnet-question-ip,
#practice-game.ip-calculation-layout #question-ip,
#endless-challenge.ip-single-layout #question-ip {
    box-sizing: border-box;
    min-width: 0;
    padding: 16px 20px;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    background: #eff6ff;
    color: #1e293b;
    box-shadow: none;
    text-align: center;
    letter-spacing: normal;
    overflow-wrap: anywhere;
}
.ip-question-value,
.subnet-question-ip,
#practice-game.ip-calculation-layout #question-ip,
#endless-challenge.ip-single-layout #question-ip {
    font-size: 24px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.5;
}
.ip-question-panel .ip-question-value { margin: 4px 0 0; }
.ip-question-panel .ip-question-label {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.6;
    color: #2563eb;
}
#practice-game.ip-calculation-layout #question-ip,
#endless-challenge.ip-single-layout #question-ip { margin-bottom: 20px; }
/* Instructions retain a separate, quieter surface on multi-field exercises. */
.subnet-question-text,
#practice-game.ip-calculation-layout #question-area,
#endless-challenge.ip-single-layout #question-area {
    box-sizing: border-box;
    padding: 12px 16px;
    margin: 0 0 16px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    color: #334155;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: normal;
    text-align: left;
    overflow-wrap: anywhere;
}
@media (max-width: 600px) {
    .ip-question-panel,
    .subnet-question-ip,
    #practice-game.ip-calculation-layout #question-ip,
    #endless-challenge.ip-single-layout #question-ip { padding: 12px 14px; }
    .ip-question-value,
    .subnet-question-ip,
    #practice-game.ip-calculation-layout #question-ip,
    #endless-challenge.ip-single-layout #question-ip { font-size: 20px; }
    .subnet-question-text,
    #practice-game.ip-calculation-layout #question-area,
    #endless-challenge.ip-single-layout #question-area {
        padding: 12px 14px;
        font-size: 14px;
    }
}